diff --git a/fencing/admin.c b/fencing/admin.c index 079d1b2ab4..1258a58b99 100644 --- a/fencing/admin.c +++ b/fencing/admin.c @@ -1,256 +1,245 @@ /* * Copyright (C) 2009 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static struct crm_option long_options[] = { {"help", 0, 0, '?', "\tThis text"}, {"version", 0, 0, '$', "\tVersion information" }, {"verbose", 0, 0, 'V', "\tIncrease debug output"}, {"list", 1, 0, 'l', "List devices that can terminate the specified host"}, {"list-all", 0, 0, 'L', "List all registered devices"}, {"metadata", 0, 0, 'M', "Check the device's metadata"}, {"query", 1, 0, 'Q', "Check the device's status"}, {"fence", 1, 0, 'F', "Fence the named host"}, {"unfence", 1, 0, 'U', "Unfence the named host"}, {"confirm", 1, 0, 'C', "Confirm the named host is now safely down"}, {"register", 1, 0, 'R', "Register a stonith device"}, {"deregister", 1, 0, 'D', "De-register a stonith device"}, {"env-option", 1, 0, 'e'}, {"option", 1, 0, 'o'}, {"agent", 1, 0, 'a'}, {0, 0, 0, 0} }; int st_opts = st_opt_sync_call; static void st_callback(stonith_t *st, const char *event, xmlNode *msg) { crm_log_xml_notice(msg, event); } - -extern void cleanup_calculations(pe_working_set_t *data_set); -extern gboolean unpack_nodes(xmlNode * xml_nodes, pe_working_set_t *data_set); - - int main(int argc, char ** argv) { int flag; int rc = 0; int argerr = 0; int option_index = 0; char name[512]; char value[512]; const char *agent = NULL; const char *device = NULL; const char *target = NULL; char action = 0; stonith_t *st = NULL; - GHashTable *hash = g_hash_table_new(crm_str_hash, g_str_equal); + stonith_key_value_t *params = NULL; crm_log_init(NULL, LOG_INFO, TRUE, TRUE, argc, argv); crm_set_options("V?$LQ:R:D:o:a:l:e:F:U:M", "mode [options]", long_options, "Provides access to the stonith-ng API.\n"); while (1) { flag = crm_get_option(argc, argv, &option_index); if (flag == -1) break; switch(flag) { case 'V': alter_debug(DEBUG_INC); cl_log_enable_stderr(1); break; case '$': case '?': crm_help(flag, LSB_EXIT_OK); break; case 'L': action = flag; break; case 'Q': case 'R': case 'D': action = flag; device = optarg; break; case 'a': agent = optarg; break; case 'l': target = optarg; action = 'L'; break; case 'M': action = flag; break; case 'F': case 'U': case 'C': target = optarg; action = flag; break; case 'o': crm_info("Scanning: -o %s", optarg); rc = sscanf(optarg, "%[^=]=%[^=]", name, value); if(rc != 2) { crm_err("Invalid option: -o %s", optarg); ++argerr; } else { crm_info("Got: '%s'='%s'", name, value); - g_hash_table_insert(hash, crm_strdup(name), crm_strdup(value)); + stonith_key_value_add(params, crm_strdup(name), crm_strdup(value)); } break; case 'e': { char *key = crm_concat("OCF_RESKEY", optarg, '_'); const char *env = getenv(key); if(env == NULL) { crm_err("Invalid option: -e %s", optarg); ++argerr; } else { crm_info("Got: '%s'='%s'", optarg, env); - g_hash_table_insert(hash, crm_strdup(optarg), crm_strdup(env)); + stonith_key_value_add( params, crm_strdup(optarg), + crm_strdup(env)); } } break; default: ++argerr; break; } } if (optind > argc) { ++argerr; } if (argerr) { crm_help('?', LSB_EXIT_GENERIC); } -#if 0 - g_hash_table_insert(hash, crm_strdup("ipaddr"), crm_strdup("localhost")); - g_hash_table_insert(hash, crm_strdup("pcmk-portmap"), crm_strdup("some-host=pcmk-1 pcmk-3=3,4")); - g_hash_table_insert(hash, crm_strdup("login"), crm_strdup("root")); - g_hash_table_insert(hash, crm_strdup("identity_file"), crm_strdup("/root/.ssh/id_dsa")); -#endif - crm_debug("Create"); st = stonith_api_new(); if(action != 'M') { rc = st->cmds->connect(st, crm_system_name, NULL, NULL); crm_debug("Connect: %d", rc); rc = st->cmds->register_notification(st, T_STONITH_NOTIFY_DISCONNECT, st_callback); } switch(action) { case 'L': { - GListPtr devices = NULL; + stonith_key_value_t *devices = NULL; rc = st->cmds->query(st, st_opts, target, &devices, 10); if(rc == 0) { fprintf(stderr, "No devices found\n"); } else if(rc > 0) { - GListPtr lpc = NULL; fprintf(stderr, "%d devices found\n", rc); - for(lpc = devices; lpc != NULL; lpc = lpc->next) { - char *device = (char*)lpc->data; - fprintf(stdout, " %s\n", device); + + for( ; devices; devices = devices->next ) { + fprintf( stdout, " %s\n", devices->value ); } rc = 0; } } break; case 'Q': rc = st->cmds->call(st, st_opts, device, "monitor", NULL, 10); if(rc < 0) { rc = st->cmds->call(st, st_opts, device, "list", NULL, 10); } break; case 'R': - rc = st->cmds->register_device(st, st_opts, device, "stonith-ng", agent, hash); + rc = st->cmds->register_device(st, st_opts, device, "stonith-ng", + agent, params); break; case 'D': rc = st->cmds->remove_device(st, st_opts, device); break; case 'M': { char *buffer = NULL; st->cmds->metadata(st, st_opt_sync_call, agent, NULL, &buffer, 0); printf("%s\n", buffer); crm_free(buffer); } break; case 'C': rc = st->cmds->confirm(st, st_opts, target); break; case 'F': rc = st->cmds->fence(st, st_opts, target, "off", 120); break; case 'U': rc = st->cmds->fence(st, st_opts, target, "on", 120); break; } st->cmds->disconnect(st); crm_debug("Disconnect: %d", rc); crm_debug("Destroy"); stonith_api_delete(st); return rc; } diff --git a/fencing/commands.c b/fencing/commands.c index 205bb35784..4f62aff68c 100644 --- a/fencing/commands.c +++ b/fencing/commands.c @@ -1,944 +1,945 @@ /* * Copyright (C) 2009 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include +#include #include #include #include #include GHashTable *device_list = NULL; static int active_children = 0; static void exec_child_done(ProcTrack* proc, int status, int signo, int rc, int waslogged); static void exec_child_new(ProcTrack* p) { active_children++; } static const char *exec_child_name(ProcTrack* p) { async_command_t *cmd = proctrack_data(p); return cmd->client?cmd->client:cmd->remote; } static ProcTrack_ops StonithdProcessTrackOps = { exec_child_done, exec_child_new, exec_child_name, }; static void free_async_command(async_command_t *cmd) { if(cmd->node_attrs) { g_hash_table_destroy(cmd->node_attrs); } crm_free(cmd->action); crm_free(cmd->victim); crm_free(cmd->remote); crm_free(cmd->client); crm_free(cmd->origin); crm_free(cmd->op); crm_free(cmd); } static async_command_t *create_async_command(xmlNode *msg, const char *action) { async_command_t *cmd = NULL; CRM_CHECK(action != NULL, crm_log_xml_warn(msg, "NoAction"); return NULL); crm_malloc0(cmd, sizeof(async_command_t)); crm_element_value_int(msg, F_STONITH_CALLID, &(cmd->id)); crm_element_value_int(msg, F_STONITH_CALLOPTS, &(cmd->options)); crm_element_value_int(msg, F_STONITH_TIMEOUT, &(cmd->timeout)); cmd->origin = crm_element_value_copy(msg, F_ORIG); cmd->remote = crm_element_value_copy(msg, F_STONITH_REMOTE); cmd->client = crm_element_value_copy(msg, F_STONITH_CLIENTID); cmd->op = crm_element_value_copy(msg, F_STONITH_OPERATION); cmd->action = crm_strdup(action); cmd->victim = crm_element_value_copy(msg, F_STONITH_TARGET); cmd->pt_ops = &StonithdProcessTrackOps; CRM_CHECK(cmd->op != NULL, crm_log_xml_warn(msg, "NoOp"); free_async_command(cmd); return NULL); CRM_CHECK(cmd->client != NULL || cmd->remote != NULL, crm_log_xml_warn(msg, "NoClient")); return cmd; } static void free_device(gpointer data) { stonith_device_t *device = data; g_hash_table_destroy(device->params); g_hash_table_destroy(device->aliases); slist_basic_destroy(device->targets); crm_free(device->namespace); crm_free(device->agent); crm_free(device->id); crm_free(device); } static GHashTable *build_port_aliases(const char *hostmap, GListPtr *targets) { char *name = NULL; int last = 0, lpc = 0, max = 0; GHashTable *aliases = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); if(hostmap == NULL) { return aliases; } max = strlen(hostmap); for(; lpc < max; lpc++) { if(hostmap[lpc] == 0) { break; } else if(isalpha(hostmap[lpc])) { /* keep going */ } else if(hostmap[lpc] == '=') { crm_free(name); crm_malloc0(name, 1 + lpc - last); strncpy(name, hostmap + last, lpc - last); last = lpc + 1; } else if(name && isspace(hostmap[lpc])) { char *value = NULL; crm_malloc0(value, 1 + lpc - last); strncpy(value, hostmap + last, lpc - last); last = lpc + 1; crm_debug("Adding alias '%s'='%s'", name, value); g_hash_table_replace(aliases, name, value); if(targets) { *targets = g_list_append(*targets, crm_strdup(value)); } value=NULL; name=NULL; } else if(isspace(hostmap[lpc])) { last = lpc; } } crm_free(name); return aliases; } static void parse_host_line(const char *line, GListPtr *output) { int lpc = 0; int max = 0; int last = 0; if(line) { max = strlen(line); } else { return; } /* Check for any complaints about additional parameters that the device doesn't understand */ if(strstr(line, "invalid") || strstr(line, "variable")) { crm_debug("Skipping: %s", line); return; } crm_debug_2("Processing: %s", line); /* Skip initial whitespace */ for(lpc = 0; lpc <= max && isspace(line[lpc]); lpc++) { last = lpc+1; } /* Now the actual content */ for(lpc = 0; lpc <= max; lpc++) { gboolean a_space = isspace(line[lpc]); if(a_space && lpc < max && isspace(line[lpc+1])) { /* fast-forward to the end of the spaces */ } else if(a_space || line[lpc] == ',' || line[lpc] == 0) { int rc = 0; char *entry = NULL; crm_malloc0(entry, 1 + lpc - last); rc = sscanf(line+last, "%[a-zA-Z0-9_-.]", entry); if(rc != 1) { crm_warn("Could not parse (%d %d): %s", last, lpc, line+last); } else if(safe_str_neq(entry, "on") && safe_str_neq(entry, "off")) { crm_debug_2("Adding '%s'", entry); *output = g_list_append(*output, entry); entry = NULL; } crm_free(entry); last = lpc + 1; } } } static GListPtr parse_host_list(const char *hosts) { int lpc = 0; int max = 0; int last = 0; GListPtr output = NULL; if(hosts == NULL) { return output; } max = strlen(hosts); for(lpc = 0; lpc <= max; lpc++) { if(hosts[lpc] == '\n' || hosts[lpc] == 0) { char *line = NULL; crm_malloc0(line, 2 + lpc - last); snprintf(line, 1 + lpc - last, "%s", hosts+last); parse_host_line(line, &output); crm_free(line); last = lpc + 1; } } return output; } static stonith_device_t *build_device_from_xml(xmlNode *msg) { xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR); stonith_device_t *device = NULL; crm_malloc0(device, sizeof(stonith_device_t)); device->id = crm_element_value_copy(dev, XML_ATTR_ID); device->agent = crm_element_value_copy(dev, "agent"); device->namespace = crm_element_value_copy(dev, "namespace"); device->params = xml2list(dev); /* TODO: Hook up priority */ return device; } static int stonith_device_register(xmlNode *msg) { const char *value = NULL; stonith_device_t *device = build_device_from_xml(msg); value = g_hash_table_lookup(device->params, STONITH_ATTR_HOSTLIST); if(value) { device->targets = parse_host_list(value); } value = g_hash_table_lookup(device->params, STONITH_ATTR_HOSTMAP); device->aliases = build_port_aliases(value, &(device->targets)); g_hash_table_replace(device_list, device->id, device); crm_info("Added '%s' to the device list (%d active devices)", device->id, g_hash_table_size(device_list)); return stonith_ok; } static int stonith_device_remove(xmlNode *msg) { xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR); const char *id = crm_element_value(dev, XML_ATTR_ID); if(g_hash_table_remove(device_list, id)) { crm_info("Removed '%s' from the device list (%d active devices)", id, g_hash_table_size(device_list)); } else { crm_info("Device '%s' not found (%d active devices)", id, g_hash_table_size(device_list)); } return stonith_ok; } static gboolean string_in_list(GListPtr list, const char *item) { int lpc = 0; int max = g_list_length(list); for(lpc = 0; lpc < max; lpc ++) { const char *value = g_list_nth_data(list, lpc); if(safe_str_eq(item, value)) { return TRUE; } } return FALSE; } static const char *get_victim_name(stonith_device_t *dev, const char *host) { if(dev == NULL) { return NULL; } else if(host && dev->aliases) { char *alias = g_hash_table_lookup(dev->aliases, host); if(alias) { return alias; } } return host; } static int stonith_device_action(xmlNode *msg, char **output) { int rc = stonith_ok; xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR); const char *id = crm_element_value(dev, F_STONITH_DEVICE); const char *action = crm_element_value(dev, F_STONITH_ACTION); async_command_t *cmd = NULL; stonith_device_t *device = NULL; if(id) { crm_debug_2("Looking for '%s'", id); device = g_hash_table_lookup(device_list, id); } else { CRM_CHECK(safe_str_eq(action, "metadata"), crm_log_xml_warn(msg, "StrangeOp")); device = build_device_from_xml(msg); if(device != NULL && device->id == NULL) { device->id = crm_strdup(device->agent); } } if(device) { int exec_rc = 0; const char *victim = NULL; GHashTable *node_attrs = xml2list(dev); cmd = create_async_command(msg, action); if(cmd == NULL) { free_device(device); return st_err_internal; } cmd->node_attrs = node_attrs; victim = get_victim_name(device, cmd->victim); if(cmd->victim && victim == NULL) { crm_err("Unknown or unhandled port '%s' for device '%s'", cmd->victim, device->id); free_async_command(cmd); return st_err_unknown_port; } cmd->device = crm_strdup(device->id); crm_debug("Calling '%s' with action '%s'%s%s", device->id, action, victim?" on port ":"", victim?victim:""); exec_rc = run_stonith_agent( device->agent, device->params, cmd->node_attrs, action, victim, &rc, output, cmd); if(exec_rc < 0 || rc != 0) { crm_warn("Operation %s on %s failed (%d/%d): %.100s", action, device->id, exec_rc, rc, *output); } else if(exec_rc > 0) { crm_debug("Operation %s on %s active with pid: %d", action, device->id, exec_rc); rc = exec_rc; } else { crm_info("Operation %s on %s passed: %.100s", action, device->id, *output); } } else { crm_notice("Device %s not found", id); rc = st_err_unknown_device; } if(id == NULL) { free_device(device); } return rc; } static gboolean can_fence_host_with_device(stonith_device_t *dev, const char *host) { gboolean can = FALSE; const char *victim = NULL; const char *check_type = NULL; if(dev == NULL) { return FALSE; } else if(host == NULL) { return TRUE; } victim = get_victim_name(dev, host); check_type = g_hash_table_lookup(dev->params, STONITH_ATTR_HOSTCHECK); if(check_type == NULL) { if(g_hash_table_lookup(dev->params, STONITH_ATTR_HOSTLIST)) { check_type = "static-list"; } else { check_type = "dynamic-list"; } } if(safe_str_eq(check_type, "none")) { can = TRUE; } else if(safe_str_eq(check_type, "static-list")) { /* Presence in the hostmap is sufficient * Only use if all hosts on which the device can be active can always fence all listed hosts */ if(string_in_list(dev->targets, victim)) { can = TRUE; } } else if(safe_str_eq(check_type, "dynamic-list")) { time_t now = time(NULL); /* Host/alias must be in the list output to be eligable to be fenced * * Will cause problems if down'd nodes aren't listed or (for virtual nodes) * if the guest is still listed despite being moved to another machine */ if(dev->targets == NULL || dev->targets_age + 60 < now) { char *output = NULL; int rc = stonith_ok; int exec_rc = stonith_ok; /* Check for the target's presence in the output of the 'list' command */ slist_basic_destroy(dev->targets); dev->targets = NULL; exec_rc = run_stonith_agent(dev->agent, dev->params, NULL, "list", NULL, &rc, &output, NULL); if(exec_rc < 0 || rc != 0) { crm_notice("Disabling port list queries for %s (%d/%d): %s", dev->id, exec_rc, rc, output); dev->targets_age = -1; } else { crm_info("Refreshing port list for %s", dev->id); dev->targets = parse_host_list(output); dev->targets_age = now; } crm_free(output); } if(string_in_list(dev->targets, victim)) { can = TRUE; } } else if(safe_str_eq(check_type, "status")) { int rc = 0; int exec_rc = 0; /* Run the status operation for the device/target combination * Will cause problems if the device doesn't return 2 for down'd nodes or * (for virtual nodes) if the device doesn't return 1 for guests that * have been moved to another host */ /* TODO: Get node_attrs in here */ exec_rc = run_stonith_agent( dev->agent, dev->params, NULL, "status", victim, &rc, NULL, NULL); if(exec_rc != 0) { crm_err("Could not invoke %s: rc=%d", dev->id, exec_rc); } else if(rc == 1 /* unkown */) { crm_debug_2("Host %s is not known by %s", victim, dev->id); } else if(rc == 0 /* active */ || rc == 2 /* inactive */) { can = TRUE; } else { crm_err("Unkown result calling %s for %s with %s: rc=%d", "status", victim, dev->id, rc); } } else { crm_err("Unknown check type: %s", check_type); } crm_info("%s can%s fence %s: %s", dev->id, can?"":" not", victim, check_type); return can; } struct device_search_s { const char *host; GListPtr capable; }; static void search_devices( gpointer key, gpointer value, gpointer user_data) { stonith_device_t *dev = value; struct device_search_s *search = user_data; if(can_fence_host_with_device(dev, search->host)) { search->capable = g_list_append(search->capable, value); } } static int stonith_query(xmlNode *msg, xmlNode **list) { struct device_search_s search; int available_devices = 0; xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, msg, LOG_DEBUG_3); search.host = NULL; search.capable = NULL; if(dev) { search.host = crm_element_value(dev, F_STONITH_TARGET); } crm_log_xml_info(msg, "Query"); g_hash_table_foreach(device_list, search_devices, &search); available_devices = g_list_length(search.capable); if(search.host) { crm_info("Found %d matching devices for '%s'", available_devices, search.host); } else { crm_info("%d devices installed", available_devices); } /* Pack the results into data */ if(list) { GListPtr lpc = NULL; *list = create_xml_node(NULL, __FUNCTION__); crm_xml_add(*list, F_STONITH_TARGET, search.host); crm_xml_add_int(*list, "st-available-devices", available_devices); for(lpc = search.capable; lpc != NULL; lpc = lpc->next) { stonith_device_t *device = (stonith_device_t*)lpc->data; dev = create_xml_node(*list, F_STONITH_DEVICE); crm_xml_add(dev, XML_ATTR_ID, device->id); crm_xml_add(dev, "namespace", device->namespace); crm_xml_add(dev, "agent", device->agent); if(search.host == NULL) { xmlNode *attrs = create_xml_node(dev, XML_TAG_ATTRS); g_hash_table_foreach(device->params, hash2field, attrs); } } } g_list_free(search.capable); return available_devices; } static void log_operation(async_command_t *cmd, int rc, int pid, const char *next, const char *output) { if(rc == 0) { next = NULL; } if(cmd->victim != NULL) { do_crm_log(rc==0?LOG_INFO:LOG_ERR, "Operation '%s' [%d] for host '%s' with device '%s' returned: %d%s%s (call %d from %s)", cmd->action, pid, cmd->victim, cmd->device, rc, next?". Trying: ":"", next?next:"", cmd->id, cmd->client); } else { do_crm_log(rc==0?LOG_DEBUG:LOG_NOTICE, "Operation '%s' [%d] for device '%s' returned: %d%s%s", cmd->action, pid, cmd->device, rc, next?". Trying: ":"", next?next:""); } if(output) { /* Logging the whole string confuses syslog when the string is xml */ char *local_copy = crm_strdup(output); int lpc = 0, last = 0, more = strlen(local_copy); for(lpc = 0; lpc < more; lpc++) { if(local_copy[lpc] == '\n' || local_copy[lpc] == 0) { local_copy[lpc] = 0; crm_debug("%s output: %s", cmd->device, local_copy+last); last = lpc+1; } } crm_debug("%s output: %s (total %d bytes)", cmd->device, local_copy+last, more); crm_free(local_copy); } } #define READ_MAX 500 static void exec_child_done(ProcTrack* proc, int status, int signum, int rc, int waslogged) { int len = 0; int more = 0; gboolean bcast = FALSE; char *output = NULL; xmlNode *data = NULL; xmlNode *reply = NULL; int pid = proctrack_pid(proc); async_command_t *cmd = proctrack_data(proc); CRM_CHECK(cmd != NULL, return); active_children--; if( signum ) { rc = st_err_signal; if( proctrack_timedout(proc) ) { crm_warn("Child '%d' performing action '%s' with '%s' timed out", pid, cmd->action, cmd->device); rc = st_err_timeout; } } do { char buffer[READ_MAX]; errno = 0; memset(&buffer, 0, READ_MAX); more = read(cmd->stdout, buffer, READ_MAX-1); do_crm_log(status!=0?LOG_DEBUG:LOG_DEBUG_2, "Got %d more bytes: %s", more, buffer); if(more > 0) { crm_realloc(output, len + more + 1); sprintf(output+len, "%s", buffer); len += more; } } while (more == (READ_MAX-1) || (more < 0 && errno == EINTR)); if(cmd->stdout) { close(cmd->stdout); cmd->stdout = 0; } while(rc != 0 && cmd->device_next) { int exec_rc = 0; stonith_device_t *dev = cmd->device_next->data; const char *victim = get_victim_name(dev, cmd->victim); log_operation(cmd, rc, pid, dev->id, output); cmd->device = dev->id; cmd->device_next = cmd->device_next->next; exec_rc = run_stonith_agent(dev->agent, dev->params, cmd->node_attrs, cmd->action, victim, &rc, NULL, cmd); if(exec_rc > 0) { goto done; } pid = exec_rc; } reply = stonith_construct_async_reply(cmd, output, data, rc); if(safe_str_eq(cmd->action, "metadata")) { /* Too verbose to log */ crm_free(output); output = NULL; } else if(crm_str_eq(cmd->action, "reboot", TRUE) || crm_str_eq(cmd->action, "poweroff", TRUE) || crm_str_eq(cmd->action, "poweron", TRUE) || crm_str_eq(cmd->action, "off", TRUE) || crm_str_eq(cmd->action, "on", TRUE)) { bcast = TRUE; } log_operation(cmd, rc, pid, NULL, output); crm_log_xml_debug_3(reply, "Reply"); if(bcast) { /* Send reply as T_STONITH_NOTIFY so everyone does notifications * Potentially limit to unsucessful operations to the originator? */ crm_xml_add(reply, F_STONITH_OPERATION, T_STONITH_NOTIFY); send_cluster_message(NULL, crm_msg_stonith_ng, reply, FALSE); } else if(cmd->origin) { send_cluster_message(cmd->origin, crm_msg_stonith_ng, reply, FALSE); } else { do_local_reply(reply, cmd->client, cmd->options & st_opt_sync_call, FALSE); } free_async_command(cmd); done: reset_proctrack_data(proc); crm_free(output); free_xml(reply); free_xml(data); } static gint sort_device_priority(gconstpointer a, gconstpointer b) { const stonith_device_t *dev_a = a; const stonith_device_t *dev_b = a; if(dev_a->priority > dev_b->priority) { return -1; } else if(dev_a->priority < dev_b->priority) { return 1; } return 0; } static int stonith_fence(xmlNode *msg) { int rc = 0; struct device_search_s search; stonith_device_t *device = NULL; async_command_t *cmd = create_async_command(msg, crm_element_value(msg, F_STONITH_ACTION)); xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, msg, LOG_ERR); GHashTable *node_attrs = xml2list(dev); if(cmd == NULL) { return st_err_internal; } search.capable = NULL; search.host = crm_element_value(dev, F_STONITH_TARGET); crm_log_xml_info(msg, "Exec"); g_hash_table_foreach(device_list, search_devices, &search); crm_info("Found %d matching devices for '%s'", g_list_length(search.capable), search.host); if(g_list_length(search.capable) == 0) { free_async_command(cmd); return st_err_none_available; } /* Order based on priority */ search.capable = g_list_sort(search.capable, sort_device_priority); device = search.capable->data; cmd->device = device->id; if(g_list_length(search.capable) > 1) { cmd->device_list = search.capable; cmd->node_attrs = node_attrs; } return run_stonith_agent(device->agent, device->params, node_attrs, cmd->action, cmd->victim, &rc, NULL, cmd); } xmlNode *stonith_construct_reply(xmlNode *request, char *output, xmlNode *data, int rc) { int lpc = 0; xmlNode *reply = NULL; const char *name = NULL; const char *value = NULL; const char *names[] = { F_STONITH_OPERATION, F_STONITH_CALLID, F_STONITH_CLIENTID, F_STONITH_REMOTE, F_STONITH_CALLOPTS }; crm_debug_4("Creating a basic reply"); reply = create_xml_node(NULL, T_STONITH_REPLY); crm_xml_add(reply, "st_origin", __FUNCTION__); crm_xml_add(reply, F_TYPE, T_STONITH_NG); crm_xml_add(reply, "st_output", output); crm_xml_add_int(reply, F_STONITH_RC, rc); CRM_CHECK(request != NULL, crm_warn("Can't create a sane reply"); return reply); for(lpc = 0; lpc < DIMOF(names); lpc++) { name = names[lpc]; value = crm_element_value(request, name); crm_xml_add(reply, name, value); } if(data != NULL) { crm_debug_4("Attaching reply output"); add_message_xml(reply, F_STONITH_CALLDATA, data); } return reply; } xmlNode *stonith_construct_async_reply(async_command_t *cmd, char *output, xmlNode *data, int rc) { xmlNode *reply = NULL; crm_debug_4("Creating a basic reply"); reply = create_xml_node(NULL, T_STONITH_REPLY); crm_xml_add(reply, "st_origin", __FUNCTION__); crm_xml_add(reply, F_TYPE, T_STONITH_NG); crm_xml_add(reply, F_STONITH_OPERATION, cmd->op); crm_xml_add(reply, F_STONITH_REMOTE, cmd->remote); crm_xml_add(reply, F_STONITH_CLIENTID, cmd->client); crm_xml_add_int(reply, F_STONITH_CALLID, cmd->id); crm_xml_add_int(reply, F_STONITH_CALLOPTS, cmd->options); crm_xml_add_int(reply, F_STONITH_RC, rc); crm_xml_add(reply, "st_output", output); if(data != NULL) { crm_info("Attaching reply output"); add_message_xml(reply, F_STONITH_CALLDATA, data); } return reply; } void stonith_command(stonith_client_t *client, xmlNode *request, const char *remote) { int call_options = 0; int rc = st_err_generic; gboolean is_reply = FALSE; xmlNode *reply = NULL; xmlNode *data = NULL; char *output = NULL; const char *op = crm_element_value(request, F_STONITH_OPERATION); const char *client_id = crm_element_value(request, F_STONITH_CLIENTID); crm_element_value_int(request, F_STONITH_CALLOPTS, &call_options); if(get_xpath_object("//"T_STONITH_REPLY, request, LOG_DEBUG_3)) { is_reply = TRUE; } if(device_list == NULL) { device_list = g_hash_table_new_full( crm_str_hash, g_str_equal, NULL, free_device); } crm_debug("Processing %s%s from %s", op, is_reply?" reply":"", client?client->name:remote); if(crm_str_eq(op, CRM_OP_REGISTER, TRUE)) { return; } else if(crm_str_eq(op, STONITH_OP_DEVICE_ADD, TRUE)) { rc = stonith_device_register(request); do_stonith_notify(call_options, op, rc, request, NULL); } else if(crm_str_eq(op, STONITH_OP_DEVICE_DEL, TRUE)) { rc = stonith_device_remove(request); do_stonith_notify(call_options, op, rc, request, NULL); } else if(crm_str_eq(op, STONITH_OP_CONFIRM, TRUE)) { async_command_t *cmd = create_async_command(request, crm_element_value(request, F_STONITH_ACTION)); xmlNode *reply = stonith_construct_async_reply(cmd, NULL, NULL, 0); crm_xml_add(reply, F_STONITH_OPERATION, T_STONITH_NOTIFY); crm_notice("Broadcasting manual fencing confirmation for node %s", cmd->victim); send_cluster_message(NULL, crm_msg_stonith_ng, reply, FALSE); free_async_command(cmd); free_xml(reply); } else if(crm_str_eq(op, STONITH_OP_EXEC, TRUE)) { rc = stonith_device_action(request, &output); } else if(is_reply && crm_str_eq(op, STONITH_OP_QUERY, TRUE)) { process_remote_stonith_query(request); return; } else if(crm_str_eq(op, STONITH_OP_QUERY, TRUE)) { create_remote_stonith_op(client_id, request, TRUE); /* Record it for the future notification */ rc = stonith_query(request, &data); } else if(is_reply && crm_str_eq(op, T_STONITH_NOTIFY, TRUE)) { process_remote_stonith_exec(request); return; } else if(crm_str_eq(op, T_STONITH_NOTIFY, TRUE)) { const char *flag_name = NULL; flag_name = crm_element_value(request, F_STONITH_NOTIFY_ACTIVATE); if(flag_name) { crm_debug("Setting %s callbacks for %s (%s): ON", flag_name, client->name, client->id); client->flags |= get_stonith_flag(flag_name); } flag_name = crm_element_value(request, F_STONITH_NOTIFY_DEACTIVATE); if(flag_name) { crm_debug("Setting %s callbacks for %s (%s): off", flag_name, client->name, client->id); client->flags |= get_stonith_flag(flag_name); } return; /* } else if(is_reply && crm_str_eq(op, STONITH_OP_FENCE, TRUE)) { */ /* process_remote_stonith_exec(request); */ /* return; */ } else if(is_reply == FALSE && crm_str_eq(op, STONITH_OP_FENCE, TRUE)) { if(remote) { rc = stonith_fence(request); } else if(call_options & st_opt_local_first) { rc = stonith_fence(request); if(rc < 0) { initiate_remote_stonith_op(client, request); } } else { initiate_remote_stonith_op(client, request); } return; } else { crm_err("Unknown %s%s from %s", op, is_reply?" reply":"", client?client->name:remote); crm_log_xml_warn(request, "UnknownOp"); } do_crm_log(rc>0?LOG_DEBUG:LOG_INFO,"Processed %s%s from %s: rc=%d", op, is_reply?" reply":"", client?client->name:remote, rc); if(is_reply) { /* Nothing */ } else if(remote) { reply = stonith_construct_reply(request, output, data, rc); send_cluster_message(remote, crm_msg_stonith_ng, reply, FALSE); free_xml(reply); } else if(rc <= 0 || crm_str_eq(op, STONITH_OP_QUERY, TRUE)) { reply = stonith_construct_reply(request, output, data, rc); do_local_reply(reply, client_id, call_options & st_opt_sync_call, remote!=NULL); free_xml(reply); } crm_free(output); free_xml(data); } diff --git a/fencing/main.c b/fencing/main.c index bd3ca76ae8..c4bc487dfe 100644 --- a/fencing/main.c +++ b/fencing/main.c @@ -1,675 +1,676 @@ /* * Copyright (C) 2009 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include +#include #include #include #include char *channel1 = NULL; char *channel2 = NULL; char *stonith_our_uname = NULL; GMainLoop *mainloop = NULL; GHashTable *client_list = NULL; gboolean stonith_shutdown_flag = FALSE; #if SUPPORT_HEARTBEAT ll_cluster_t *hb_conn = NULL; #endif static gboolean stonith_client_disconnect( IPC_Channel *channel, stonith_client_t *stonith_client) { if (channel == NULL) { CRM_LOG_ASSERT(stonith_client == NULL); } else if (stonith_client == NULL) { crm_err("No client"); } else { CRM_LOG_ASSERT(channel->ch_status != IPC_CONNECT); crm_debug_2("Cleaning up after client disconnect: %s/%s/%s", crm_str(stonith_client->name), stonith_client->channel_name, stonith_client->id); if(stonith_client->id != NULL) { if(!g_hash_table_remove(client_list, stonith_client->id)) { crm_err("Client %s not found in the hashtable", stonith_client->name); } } } return FALSE; } static gboolean stonith_client_callback(IPC_Channel *channel, gpointer user_data) { int lpc = 0; const char *value = NULL; xmlNode *request = NULL; gboolean keep_channel = TRUE; stonith_client_t *stonith_client = user_data; CRM_CHECK(stonith_client != NULL, crm_err("Invalid client"); return FALSE); CRM_CHECK(stonith_client->id != NULL, crm_err("Invalid client: %p", stonith_client); return FALSE); if(IPC_ISRCONN(channel) && channel->ops->is_message_pending(channel)) { lpc++; request = xmlfromIPC(channel, MAX_IPC_DELAY); if (request == NULL) { goto bail; } if(stonith_client->name == NULL) { value = crm_element_value(request, F_STONITH_CLIENTNAME); if(value == NULL) { stonith_client->name = crm_itoa(channel->farside_pid); } else { stonith_client->name = crm_strdup(value); } } crm_xml_add(request, F_STONITH_CLIENTID, stonith_client->id); crm_xml_add(request, F_STONITH_CLIENTNAME, stonith_client->name); if(stonith_client->callback_id == NULL) { value = crm_element_value(request, F_STONITH_CALLBACK_TOKEN); if(value != NULL) { stonith_client->callback_id = crm_strdup(value); } else { stonith_client->callback_id = crm_strdup(stonith_client->id); } } crm_log_xml(LOG_MSG, "Client[inbound]", request); stonith_command(stonith_client, request, NULL); free_xml(request); } bail: if(channel->ch_status != IPC_CONNECT) { crm_debug_2("Client disconnected"); keep_channel = stonith_client_disconnect(channel, stonith_client); } return keep_channel; } static void stonith_client_destroy(gpointer user_data) { stonith_client_t *stonith_client = user_data; if(stonith_client == NULL) { crm_debug_4("Destroying %p", user_data); return; } if(stonith_client->source != NULL) { crm_debug_4("Deleting %s (%p) from mainloop", stonith_client->name, stonith_client->source); G_main_del_IPC_Channel(stonith_client->source); stonith_client->source = NULL; } crm_debug_3("Destroying %s (%p)", stonith_client->name, user_data); crm_free(stonith_client->name); crm_free(stonith_client->callback_id); crm_free(stonith_client->id); crm_free(stonith_client); crm_debug_4("Freed the cib client"); return; } static gboolean stonith_client_connect(IPC_Channel *channel, gpointer user_data) { cl_uuid_t client_id; xmlNode *reg_msg = NULL; stonith_client_t *new_client = NULL; char uuid_str[UU_UNPARSE_SIZEOF]; const char *channel_name = user_data; crm_debug_3("Connecting channel"); CRM_CHECK(channel_name != NULL, return FALSE); if (channel == NULL) { crm_err("Channel was NULL"); return FALSE; } else if (channel->ch_status != IPC_CONNECT) { crm_err("Channel was disconnected"); return FALSE; } else if(stonith_shutdown_flag) { crm_info("Ignoring new client [%d] during shutdown", channel->farside_pid); return FALSE; } crm_malloc0(new_client, sizeof(stonith_client_t)); new_client->channel = channel; new_client->channel_name = channel_name; crm_debug_3("Created channel %p for channel %s", new_client, new_client->channel_name); channel->ops->set_recv_qlen(channel, 1024); channel->ops->set_send_qlen(channel, 1024); new_client->source = G_main_add_IPC_Channel( G_PRIORITY_DEFAULT, channel, FALSE, stonith_client_callback, new_client, stonith_client_destroy); crm_debug_3("Channel %s connected for client %s", new_client->channel_name, new_client->id); cl_uuid_generate(&client_id); cl_uuid_unparse(&client_id, uuid_str); CRM_CHECK(new_client->id == NULL, crm_free(new_client->id)); new_client->id = crm_strdup(uuid_str); /* make sure we can find ourselves later for sync calls * redirected to the master instance */ g_hash_table_insert(client_list, new_client->id, new_client); reg_msg = create_xml_node(NULL, "callback"); crm_xml_add(reg_msg, F_STONITH_OPERATION, CRM_OP_REGISTER); crm_xml_add(reg_msg, F_STONITH_CLIENTID, new_client->id); send_ipc_message(channel, reg_msg); free_xml(reg_msg); return TRUE; } static void stonith_peer_callback(xmlNode * msg, void* private_data) { const char *remote = crm_element_value(msg, F_ORIG); crm_log_xml(LOG_MSG, "Peer[inbound]", msg); stonith_command(NULL, msg, remote); } static void stonith_peer_hb_callback(HA_Message * msg, void* private_data) { xmlNode *xml = convert_ha_message(NULL, msg, __FUNCTION__); stonith_peer_callback(xml, private_data); free_xml(xml); } #if SUPPORT_COROSYNC static gboolean stonith_peer_ais_callback( AIS_Message *wrapper, char *data, int sender) { xmlNode *xml = NULL; if(wrapper->header.id == crm_class_cluster) { xml = string2xml(data); if(xml == NULL) { goto bail; } crm_xml_add(xml, F_ORIG, wrapper->sender.uname); crm_xml_add_int(xml, F_SEQ, wrapper->id); stonith_peer_callback(xml, NULL); } free_xml(xml); return TRUE; bail: crm_err("Invalid XML: '%.120s'", data); return TRUE; } static void stonith_peer_ais_destroy(gpointer user_data) { crm_err("AIS connection terminated"); ais_fd_sync = -1; exit(1); } #endif static void stonith_peer_hb_destroy(gpointer user_data) { if(stonith_shutdown_flag) { crm_info("Heartbeat disconnection complete... exiting"); } else { crm_err("Heartbeat connection lost! Exiting."); } crm_info("Exiting..."); if (mainloop != NULL && g_main_is_running(mainloop)) { g_main_quit(mainloop); } else { exit(LSB_EXIT_OK); } } static int send_via_callback_channel(xmlNode *msg, const char *token) { stonith_client_t *hash_client = NULL; enum stonith_errors rc = stonith_ok; crm_debug_3("Delivering msg %p to client %s", msg, token); if(token == NULL) { crm_err("No client id token, cant send message"); if(rc == stonith_ok) { rc = -1; } } else if(msg == NULL) { crm_err("No message to send"); rc = -1; } else { /* A client that left before we could reply is not really * _our_ error. Warn instead. */ hash_client = g_hash_table_lookup(client_list, token); if(hash_client == NULL) { crm_warn("Cannot find client for token %s", token); rc = -1; } else if (crm_str_eq(hash_client->channel_name, "remote", FALSE)) { /* just hope it's alive */ } else if(hash_client->channel == NULL) { crm_err("Cannot find channel for client %s", token); rc = -1; } } if(rc == stonith_ok) { crm_debug_3("Delivering reply to client %s (%s)", token, hash_client->channel_name); if(send_ipc_message(hash_client->channel, msg) == FALSE) { crm_warn("Delivery of reply to client %s/%s failed", hash_client->name, token); rc = -1; } } return rc; } void do_local_reply(xmlNode *notify_src, const char *client_id, gboolean sync_reply, gboolean from_peer) { /* send callback to originating child */ stonith_client_t *client_obj = NULL; enum stonith_errors local_rc = stonith_ok; crm_debug_2("Sending response"); if(client_id != NULL) { client_obj = g_hash_table_lookup(client_list, client_id); } else { crm_debug_2("No client to sent the response to." " F_STONITH_CLIENTID not set."); } crm_debug_3("Sending callback to request originator"); if(client_obj == NULL) { local_rc = -1; } else { const char *client_id = client_obj->callback_id; crm_debug_2("Sending %ssync response to %s %s", sync_reply?"":"an a-", client_obj->name, from_peer?"(originator of delegated request)":""); if(sync_reply) { client_id = client_obj->id; } local_rc = send_via_callback_channel(notify_src, client_id); } if(local_rc != stonith_ok && client_obj != NULL) { crm_warn("%sSync reply to %s failed: %s", sync_reply?"":"A-", client_obj?client_obj->name:"", stonith_error2string(local_rc)); } } long long get_stonith_flag(const char *name) { if(safe_str_eq(name, STONITH_OP_FENCE)) { return 0x01; } else if(safe_str_eq(name, STONITH_OP_DEVICE_ADD)) { return 0x04; } else if(safe_str_eq(name, STONITH_OP_DEVICE_DEL)) { return 0x10; } return 0; } static void stonith_notify_client(gpointer key, gpointer value, gpointer user_data) { IPC_Channel *ipc_client = NULL; xmlNode *update_msg = user_data; stonith_client_t *client = value; const char *type = NULL; CRM_CHECK(client != NULL, return); CRM_CHECK(update_msg != NULL, return); type = crm_element_value(update_msg, F_SUBTYPE); CRM_CHECK(type != NULL, crm_log_xml_err(update_msg, "notify"); return); if(client == NULL) { crm_warn("Skipping NULL client"); return; } else if(client->channel == NULL) { crm_warn("Skipping client with NULL channel"); return; } else if(client->name == NULL) { crm_debug_2("Skipping unnammed client / comamnd channel"); return; } ipc_client = client->channel; if(client->flags & get_stonith_flag(type)) { crm_info("Sending %s-notification to client %s/%s", type, client->name, client->id); if(ipc_client->send_queue->current_qlen >= ipc_client->send_queue->max_qlen) { /* We never want the STONITH to exit because our client is slow */ crm_crit("%s-notification of client %s/%s failed - queue saturated", type, client->name, client->id); } else if(send_ipc_message(ipc_client, update_msg) == FALSE) { crm_warn("%s-Notification of client %s/%s failed", type, client->name, client->id); } } } void do_stonith_notify( int options, const char *type, enum stonith_errors result, xmlNode *data, const char *remote) { /* TODO: Standardize the contents of data */ xmlNode *update_msg = create_xml_node(NULL, "notify"); CRM_CHECK(type != NULL, ;); crm_xml_add(update_msg, F_TYPE, T_STONITH_NOTIFY); crm_xml_add(update_msg, F_SUBTYPE, type); crm_xml_add(update_msg, F_STONITH_OPERATION, type); crm_xml_add_int(update_msg, F_STONITH_RC, result); if(data != NULL) { add_message_xml(update_msg, F_STONITH_CALLDATA, data); } crm_debug_3("Notifying clients"); g_hash_table_foreach(client_list, stonith_notify_client, update_msg); free_xml(update_msg); crm_debug_3("Notify complete"); } static void stonith_shutdown(int nsig) { stonith_shutdown_flag = TRUE; crm_info("Terminating with %d clients", g_hash_table_size(client_list)); stonith_client_disconnect(NULL, NULL); exit(0); } static void stonith_cleanup(void) { crm_peer_destroy(); g_hash_table_destroy(client_list); crm_free(stonith_our_uname); #if HAVE_LIBXML2 crm_xml_cleanup(); #endif crm_free(channel1); } static struct crm_option long_options[] = { {"stand-alone", 0, 0, 's'}, {"verbose", 0, 0, 'V'}, {"version", 0, 0, '$'}, {"help", 0, 0, '?'}, {0, 0, 0, 0} }; int main(int argc, char ** argv) { int flag; int rc = 0; int lpc = 0; int argerr = 0; int option_index = 0; gboolean stand_alone = FALSE; const char *actions[] = { "reboot", "poweroff", "list", "monitor", "status" }; set_crm_log_level(LOG_INFO); crm_system_name = "stonith-ng"; crm_set_options("V?s$", "mode [options]", long_options, "Provides a summary of cluster's current state." "\n\nOutputs varying levels of detail in a number of different formats.\n"); while (1) { flag = crm_get_option(argc, argv, &option_index); if (flag == -1) break; switch(flag) { case 'V': alter_debug(DEBUG_INC); cl_log_enable_stderr(1); break; case 's': stand_alone = TRUE; cl_log_enable_stderr(1); break; case '$': case '?': crm_help(flag, LSB_EXIT_OK); break; default: ++argerr; break; } } if(argc - optind == 1 && safe_str_eq("metadata", argv[optind])) { printf("\n"); printf("\n"); printf(" 1.0\n"); printf(" This is a fake resource that details the instance attributes handled by stonithd.\n"); printf(" Options available for all stonith resources\n"); printf(" \n"); printf(" \n"); printf(" How long to wait for the STONITH action to complete.\n"); printf(" Overrides the stonith-timeout cluster property\n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" The priority of the stonith resource. The lower the number, the higher the priority.\n"); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_ARGMAP); printf(" A mapping of host attributes to device arguments.\n"); printf(" Eg. uname:domain would tell the cluster to pass the machines name as the domain argument to the device. Useful for devices that have non-standard interfaces\n"); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_HOSTMAP); printf(" A mapping of host names to ports numbers for devices that do not support names.\n"); printf(" Eg. node1:1,node2:3 would tell the cluster to use port 1 for node1 and port 3 for node2\n"); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_HOSTLIST); printf(" A list of machines controlled by this device (Optional unless %s=static-list).\n", STONITH_ATTR_HOSTCHECK); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_HOSTCHECK); printf(" How to determin which machines are controlled by the device.\n"); printf(" Allowed values: dynamic-list (query the device), static-list (check the %s attribute), none (assume every device can fence every machine)\n", STONITH_ATTR_HOSTLIST); printf(" \n"); printf(" \n"); for(lpc = 0; lpc < DIMOF(actions); lpc++) { printf(" \n", actions[lpc]); printf(" Advanced use only: An alternate command to run instead of '%s'\n", actions[lpc]); printf(" Some devices do not support the standard commands or may provide additional ones." " Use this to specify an alternate, device-specific, command that implements the '%s' action.\n", actions[lpc]); printf(" \n", actions[lpc]); printf(" \n"); } printf(" \n"); printf("\n"); return 0; } if (optind != argc) { ++argerr; } if (argerr) { crm_help('?', LSB_EXIT_GENERIC); } crm_log_init("stonith-ng", crm_log_level, TRUE, TRUE, argc, argv); mainloop_add_signal(SIGTERM, stonith_shutdown); /* EnableProcLogging(); */ set_sigchld_proctrack(G_PRIORITY_HIGH,DEFAULT_MAXDISPATCHTIME); crm_peer_init(); client_list = g_hash_table_new(crm_str_hash, g_str_equal); if(stand_alone == FALSE) { void *dispatch = stonith_peer_hb_callback; void *destroy = stonith_peer_hb_destroy; if(is_openais_cluster()) { #if SUPPORT_COROSYNC destroy = stonith_peer_ais_destroy; dispatch = stonith_peer_ais_callback; #endif } if(crm_cluster_connect(&stonith_our_uname, NULL, dispatch, destroy, #if SUPPORT_HEARTBEAT &hb_conn #else NULL #endif ) == FALSE){ crm_crit("Cannot sign in to the cluster... terminating"); exit(100); } } else { stonith_our_uname = crm_strdup("localhost"); } channel1 = crm_strdup(stonith_channel); rc = init_server_ipc_comms( channel1, stonith_client_connect, default_ipc_connection_destroy); channel2 = crm_strdup(stonith_channel_callback); rc = init_server_ipc_comms( channel2, stonith_client_connect, default_ipc_connection_destroy); if(rc == 0) { /* Create the mainloop and run it... */ mainloop = g_main_new(FALSE); crm_info("Starting %s mainloop", crm_system_name); g_main_run(mainloop); } else { crm_err("Couldnt start all communication channels, exiting."); } stonith_cleanup(); #if SUPPORT_HEARTBEAT if(hb_conn) { hb_conn->llc_ops->delete(hb_conn); } #endif crm_info("Done"); return rc; } diff --git a/fencing/remote.c b/fencing/remote.c index ca42061b0f..7f3322c0a3 100644 --- a/fencing/remote.c +++ b/fencing/remote.c @@ -1,519 +1,520 @@ /* * Copyright (C) 2009 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include +#include #include #include #include enum op_state { st_query, st_exec, st_done, st_failed, }; typedef struct st_query_result_s { char *host; int devices; } st_query_result_t; typedef struct remote_fencing_op_s { char *id; char *target; char *action; guint replies; guint op_timer; guint query_timer; guint base_timeout; char *delegate; time_t completed; long long call_options; enum op_state state; char *client_id; char *originator; GListPtr query_results; xmlNode *request; } remote_fencing_op_t; GHashTable *remote_op_list = NULL; static void call_remote_stonith(remote_fencing_op_t *op, st_query_result_t *peer); extern xmlNode *stonith_create_op( int call_id, const char *token, const char *op, xmlNode *data, int call_options); static void free_remote_query(gpointer data) { if(data) { st_query_result_t *query = data; crm_free(query->host); crm_free(query); } } static void free_remote_op(gpointer data) { remote_fencing_op_t *op = data; crm_log_xml_debug(op->request, "Destroying"); crm_free(op->id); crm_free(op->action); crm_free(op->target); crm_free(op->client_id); crm_free(op->originator); if(op->query_timer) { g_source_remove(op->query_timer); } if(op->op_timer) { g_source_remove(op->op_timer); } if(op->query_results) { slist_destroy(st_query_result_t, result, op->query_results, free_remote_query(result); ); } if(op->request) { free_xml(op->request); op->request = NULL; } crm_free(op); } static void remote_op_done(remote_fencing_op_t *op, xmlNode *data, int rc) { int call = 0; xmlNode *reply = NULL; xmlNode *local_data = NULL; xmlNode *notify_data = NULL; op->completed = time(NULL); if(op->request != NULL) { crm_element_value_int(op->request, F_STONITH_CALLID, &call); /* else: keep going, make sure the details are accurate for ops that arrive late */ } if(op->query_timer) { g_source_remove(op->query_timer); op->query_timer = 0; } if(op->op_timer) { g_source_remove(op->op_timer); op->op_timer = 0; } if(data == NULL) { data = create_xml_node(NULL, "remote-op"); local_data = data; } else { op->delegate = crm_element_value_copy(data, F_ORIG); } crm_xml_add_int(data, "state", op->state); crm_xml_add(data, F_STONITH_TARGET, op->target); crm_xml_add(data, F_STONITH_OPERATION, op->action); if(op->request != NULL) { reply = stonith_construct_reply(op->request, NULL, data, rc); crm_xml_add(reply, F_STONITH_DELEGATE, op->delegate); crm_info("Notifing clients of %s (%s of %s from %s by %s): %d, rc=%d", op->id, op->action, op->target, op->client_id, op->delegate, op->state, rc); } else { crm_err("We've already notified clients of %s (%s of %s from %s by %s): %d, rc=%d", op->id, op->action, op->target, op->client_id, op->delegate, op->state, rc); return; } if(call && reply) { /* Don't bother with this if there is no callid - and thus the op originated elsewhere */ do_local_reply(reply, op->client_id, op->call_options & st_opt_sync_call, FALSE); } /* Do notification with a clean data object */ notify_data = create_xml_node(NULL, "st-data"); crm_xml_add_int(notify_data, "state", op->state); crm_xml_add_int(notify_data, F_STONITH_RC, rc); crm_xml_add(notify_data, F_STONITH_TARGET, op->target); crm_xml_add(notify_data, F_STONITH_OPERATION, op->action); crm_xml_add(notify_data, F_STONITH_DELEGATE, op->delegate); crm_xml_add(notify_data, F_STONITH_REMOTE, op->id); crm_xml_add(notify_data, F_STONITH_ORIGIN, op->originator); do_stonith_notify(0, STONITH_OP_FENCE, rc, notify_data, NULL); free_xml(notify_data); free_xml(local_data); free_xml(reply); /* Free non-essential parts of the record * Keep the record around so we can query the history */ if(op->query_results) { slist_destroy(st_query_result_t, result, op->query_results, free_remote_query(result); ); op->query_results = NULL; } if(op->request) { free_xml(op->request); op->request = NULL; } } static gboolean remote_op_timeout(gpointer userdata) { remote_fencing_op_t *op = userdata; op->query_timer = 0; if(op->state == st_done) { crm_debug("Action %s (%s) for %s already completed", op->action, op->id, op->target); return FALSE; } crm_err("Action %s (%s) for %s timed out", op->action, op->id, op->target); remote_op_done(op, NULL, st_err_timeout); op->state = st_failed; return FALSE; } static gboolean remote_op_query_timeout(gpointer data) { remote_fencing_op_t *op = data; op->query_timer = 0; if(op->state == st_done) { crm_debug("Operation %s for %s already completed", op->id, op->target); } else if(op->state == st_exec) { crm_debug("Operation %s for %s already in progress", op->id, op->target); } else if(op->query_results) { crm_info("Query %s for %s complete: %d", op->id, op->target, op->state); call_remote_stonith(op, NULL); } else { crm_err("Query %s for %s timed out", op->id, op->target); if(op->op_timer) { g_source_remove(op->op_timer); op->op_timer = 0; } remote_op_timeout(op); } return FALSE; } void *create_remote_stonith_op(const char *client, xmlNode *request, gboolean peer) { remote_fencing_op_t *op = NULL; xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, request, LOG_ERR); if(remote_op_list == NULL) { remote_op_list = g_hash_table_new_full( crm_str_hash, g_str_equal, NULL, free_remote_op); } if(peer) { const char *peer_id = crm_element_value(dev, F_STONITH_REMOTE); CRM_CHECK(peer_id != NULL, return NULL); op = g_hash_table_lookup(remote_op_list, peer_id); if(op) { crm_debug("%s already exists", peer_id); return op; } } crm_malloc0(op, sizeof(remote_fencing_op_t)); crm_element_value_int(request, F_STONITH_TIMEOUT, (int*)&(op->base_timeout)); if(peer) { op->id = crm_element_value_copy(dev, F_STONITH_REMOTE); } else { cl_uuid_t new_uuid; char uuid_str[UU_UNPARSE_SIZEOF]; cl_uuid_generate(&new_uuid); cl_uuid_unparse(&new_uuid, uuid_str); op->id = crm_strdup(uuid_str); } g_hash_table_replace(remote_op_list, op->id, op); op->state = st_query; op->action = crm_element_value_copy(dev, F_STONITH_ACTION); op->originator = crm_element_value_copy(dev, "src"); if(op->originator == NULL) { /* Local request */ op->originator = crm_strdup(stonith_our_uname); } op->client_id = crm_strdup(client); op->target = crm_element_value_copy(dev, F_STONITH_TARGET); op->request = copy_xml(request); /* TODO: Figure out how to avoid this */ crm_element_value_int(request, F_STONITH_CALLOPTS, (int*)&(op->call_options)); return op; } void initiate_remote_stonith_op(stonith_client_t *client, xmlNode *request) { xmlNode *query = NULL; remote_fencing_op_t *op = NULL; crm_log_xml_debug(request, "RemoteOp"); op = create_remote_stonith_op(client->id, request, FALSE); op->op_timer = g_timeout_add(1000*op->base_timeout, remote_op_timeout, op); op->query_timer = g_timeout_add(100*op->base_timeout, remote_op_query_timeout, op); query = stonith_create_op(0, op->id, STONITH_OP_QUERY, NULL, 0); crm_xml_add(query, F_STONITH_REMOTE, op->id); crm_xml_add(query, F_STONITH_TARGET, op->target); crm_xml_add(query, F_STONITH_ACTION, op->action); crm_xml_add(query, F_STONITH_CLIENTID, op->client_id); crm_xml_add_int(query, F_STONITH_TIMEOUT, 100*op->base_timeout); crm_info("Initiating remote operation %s for %s: %s", op->action, op->target, op->id); CRM_CHECK(op->action, return); send_cluster_message(NULL, crm_msg_stonith_ng, query, FALSE); free_xml(query); } static void call_remote_stonith(remote_fencing_op_t *op, st_query_result_t *peer) { xmlNode *query = stonith_create_op(0, op->id, STONITH_OP_FENCE, NULL, 0);; crm_xml_add(query, F_STONITH_REMOTE, op->id); crm_xml_add(query, F_STONITH_TARGET, op->target); crm_xml_add(query, F_STONITH_ACTION, op->action); crm_xml_add_int(query, F_STONITH_TIMEOUT, 900*op->base_timeout); op->state = st_exec; while(peer == NULL && op->query_results) { peer = g_list_nth_data(op->query_results, 0); op->query_results = g_list_remove(op->query_results, peer); if(peer && peer->devices < 1) { free_remote_query(peer); peer = NULL; } } if(peer) { crm_info("Requesting that %s perform op %s %s", peer->host, op->action, op->target); send_cluster_message(peer->host, crm_msg_stonith_ng, query, FALSE); } else if(op->query_timer == 0) { /* We've exhausted all available peers */ crm_info("No remaining peers capable of terminating %s", op->target); remote_op_timeout(op); } else { crm_info("Waiting for additional peers capable of terminating %s", op->target); } free_remote_query(peer); free_xml(query); } static gint sort_peers(gconstpointer a, gconstpointer b) { const st_query_result_t *peer_a = a; const st_query_result_t *peer_b = a; /* TODO: Factor in priority? */ if(peer_a->devices > peer_b->devices) { return -1; } else if(peer_a->devices > peer_b->devices) { return 1; } return 0; } int process_remote_stonith_query(xmlNode *msg) { int devices = 0; const char *id = NULL; remote_fencing_op_t *op = NULL; st_query_result_t *result = NULL; xmlNode *dev = get_xpath_object("//@"F_STONITH_REMOTE, msg, LOG_ERR); crm_log_xml_debug(msg, "QueryResult"); CRM_CHECK(dev != NULL, return st_err_internal); id = crm_element_value(dev, F_STONITH_REMOTE); CRM_CHECK(id != NULL, return st_err_internal); dev = get_xpath_object("//@st-available-devices", msg, LOG_ERR); CRM_CHECK(dev != NULL, return st_err_internal); crm_element_value_int(dev, "st-available-devices", &devices); op = g_hash_table_lookup(remote_op_list, id); if(op == NULL) { crm_debug("Unknown or expired remote op: %s", id); return st_err_unknown_operation; } op->replies++; crm_malloc0(result, sizeof(st_query_result_t)); result->host = crm_element_value_copy(msg, F_ORIG); result->devices = devices; /* TODO: Implement options * A) If we have anyone that can do the job * B) If we have someone that can do the job and some percent of the known peers * C) If all known peers have responded * * Implement A first */ /* Track A */ if(result->devices > 0) { gboolean do_queue = FALSE; gboolean do_exec = FALSE; if(op->call_options & st_opt_allow_suicide) { crm_info("Allowing %s to potentialy fence itself", op->target); } else if(safe_str_eq(result->host, op->target)) { crm_info("Ignoring reply from %s, hosts are not permitted to commit suicide", op->target); free_remote_query(result); return 0; } switch(op->state) { case st_query: if( op->call_options & st_opt_all_replies ) { do_queue = TRUE; } else { do_exec = TRUE; } break; case st_exec: do_queue = TRUE; break; case st_failed: do_exec = TRUE; break; case st_done: crm_info("Discarding query result from %s (%d deices): Operation is in state %d", result->host, result->devices, op->state); break; } if(do_exec) { call_remote_stonith(op, result); } else if(do_queue) { crm_info("Queuing query result from %s (%d devices): %s", result->host, result->devices, op->state==st_query?"Waiting for remaining replies":"Operation is pending"); op->query_results = g_list_insert_sorted(op->query_results, result, sort_peers); } else { free_remote_query(result); } } else { free_remote_query(result); } return 0; } int process_remote_stonith_exec(xmlNode *msg) { int rc = 0; const char *id = NULL; remote_fencing_op_t *op = NULL; xmlNode *dev = get_xpath_object("//@"F_STONITH_REMOTE, msg, LOG_ERR); crm_log_xml_info(msg, "ExecResult"); CRM_CHECK(dev != NULL, return st_err_internal); id = crm_element_value(dev, F_STONITH_REMOTE); CRM_CHECK(id != NULL, return st_err_internal); dev = get_xpath_object("//@"F_STONITH_RC, msg, LOG_ERR); CRM_CHECK(dev != NULL, return st_err_internal); if(remote_op_list) { op = g_hash_table_lookup(remote_op_list, id); } if(op == NULL) { crm_err("Unknown or expired remote op: %s", id); return st_err_unknown_operation; } crm_element_value_int(dev, F_STONITH_RC, &rc); if(rc == stonith_ok || op->state != st_exec) { remote_op_done(op, msg, rc); } else if(rc < stonith_ok && op->state == st_exec) { call_remote_stonith(op, NULL); } return rc; } diff --git a/fencing/test.c b/fencing/test.c index c2bfd9fbb0..2719b18ceb 100644 --- a/fencing/test.c +++ b/fencing/test.c @@ -1,193 +1,193 @@ /* * Copyright (C) 2009 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include +#include #include #include static struct crm_option long_options[] = { {"verbose", 0, 0, 'V'}, {"version", 0, 0, '$'}, {"help", 0, 0, '?'}, {"passive", 0, 0, 'p'}, {0, 0, 0, 0} }; int st_opts = st_opt_sync_call; GMainLoop *mainloop = NULL; static void st_callback(stonith_t *st, const char *event, xmlNode *msg) { crm_log_xml_notice(msg, event); } static gboolean timeout_handler(gpointer data) { g_main_quit(mainloop); return FALSE; } int main(int argc, char ** argv) { int flag; int rc = 0; int argerr = 0; int option_index = 0; stonith_t *st = NULL; - GHashTable *hash = NULL; + stonith_key_value_t *params = NULL; gboolean passive_mode = FALSE; crm_log_init(NULL, LOG_INFO, TRUE, TRUE, argc, argv); crm_set_options("V?$p", "mode [options]", long_options, "Provides a summary of cluster's current state." "\n\nOutputs varying levels of detail in a number of different formats.\n"); + params = stonith_key_value_add(params, "ipaddr", "localhost"); + params = stonith_key_value_add(params, "pcmk-portmal", "some-host=pcmk-1 pcmk-3=3,4"); + params = stonith_key_value_add(params, "login", "root"); + params = stonith_key_value_add(params, "identity_file","/root/.ssh/id_dsa"); + while (1) { flag = crm_get_option(argc, argv, &option_index); if (flag == -1) break; switch(flag) { case 'V': alter_debug(DEBUG_INC); cl_log_enable_stderr(1); break; case '$': case '?': crm_help(flag, LSB_EXIT_OK); break; case 'p': passive_mode = TRUE; break; default: ++argerr; break; } } if (optind > argc) { ++argerr; } if (argerr) { crm_help('?', LSB_EXIT_GENERIC); } - hash = g_hash_table_new(crm_str_hash, g_str_equal); - g_hash_table_insert(hash, crm_strdup("ipaddr"), crm_strdup("localhost")); - g_hash_table_insert(hash, crm_strdup("pcmk-portmap"), crm_strdup("some-host=pcmk-1 pcmk-3=3,4")); - g_hash_table_insert(hash, crm_strdup("login"), crm_strdup("root")); - g_hash_table_insert(hash, crm_strdup("identity_file"), crm_strdup("/root/.ssh/id_dsa")); - crm_debug("Create"); st = stonith_api_new(); rc = st->cmds->connect(st, crm_system_name, NULL, NULL); crm_debug("Connect: %d", rc); rc = st->cmds->register_notification(st, T_STONITH_NOTIFY_DISCONNECT, st_callback); if(passive_mode) { rc = st->cmds->register_notification(st, STONITH_OP_FENCE, st_callback); rc = st->cmds->register_notification(st, STONITH_OP_DEVICE_ADD, st_callback); rc = st->cmds->register_notification(st, STONITH_OP_DEVICE_DEL, st_callback); mainloop = g_main_new(FALSE); crm_info("Looking for notification"); g_timeout_add(500*1000, timeout_handler, NULL); g_main_run(mainloop); } else { - rc = st->cmds->register_device(st, st_opts, "test-id", "stonith-ng", "fence_virsh", hash); + rc = st->cmds->register_device(st, st_opts, "test-id", "stonith-ng", "fence_virsh", params); crm_debug("Register: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "list", NULL, 10); crm_debug("List: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "monitor", NULL, 10); crm_debug("Monitor: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "status", "pcmk-2", 10); crm_debug("Status pcmk-2: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "status", "pcmk-1", 10); crm_debug("Status pcmk-1: %d", rc); rc = st->cmds->fence(st, st_opts, "unknown-host", "off", 60); crm_debug("Fence unknown-host: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "status", "pcmk-1", 10); crm_debug("Status pcmk-1: %d", rc); rc = st->cmds->fence(st, st_opts, "pcmk-1", "off", 60); crm_debug("Fence pcmk-1: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "status", "pcmk-1", 10); crm_debug("Status pcmk-1: %d", rc); rc = st->cmds->fence(st, st_opts, "pcmk-1", "on", 10); crm_debug("Unfence pcmk-1: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "status", "pcmk-1", 10); crm_debug("Status pcmk-1: %d", rc); rc = st->cmds->fence(st, st_opts, "some-host", "off", 10); crm_debug("Fence alias: %d", rc); rc = st->cmds->call(st, st_opts, "test-id", "status", "some-host", 10); crm_debug("Status alias: %d", rc); rc = st->cmds->fence(st, st_opts, "pcmk-1", "on", 10); crm_debug("Unfence pcmk-1: %d", rc); rc = st->cmds->remove_device(st, st_opts, "test-id"); crm_debug("Remove test-id: %d", rc); } rc = st->cmds->disconnect(st); crm_debug("Disconnect: %d", rc); crm_debug("Destroy"); stonith_api_delete(st); return rc; } diff --git a/include/crm/crm.h b/include/crm/crm.h index 74856db4e3..5928e8a9df 100644 --- a/include/crm/crm.h +++ b/include/crm/crm.h @@ -1,466 +1,467 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CRM__H #define CRM__H #include #include #include +#include #undef MIN #undef MAX #include #include #include extern int log_data_element( int log_level, const char *file, const char *function, int line, const char *prefix, xmlNode *data, int depth, gboolean formatted); #define CRM_FEATURE_SET "3.0.5" #define MINIMUM_SCHEMA_VERSION "pacemaker-1.0" #define LATEST_SCHEMA_VERSION "pacemaker-"CRM_DTD_VERSION #define EOS '\0' #define DIMOF(a) ((int) (sizeof(a)/sizeof(a[0])) ) #ifndef __GNUC__ # define __builtin_expect(expr, result) (expr) #endif /* Some handy macros used by the Linux kernel */ #define __likely(expr) __builtin_expect(expr, 1) #define __unlikely(expr) __builtin_expect(expr, 0) #define CRM_DEPRECATED_SINCE_2_0_1 0 #define CRM_DEPRECATED_SINCE_2_0_2 0 #define CRM_DEPRECATED_SINCE_2_0_3 0 #define CRM_DEPRECATED_SINCE_2_0_4 0 #define CRM_DEPRECATED_SINCE_2_0_5 0 #define CRM_DEPRECATED_SINCE_2_0_6 1 #define CRM_DEPRECATED_SINCE_2_0_7 1 #define CRM_DEPRECATED_SINCE_2_0_8 1 #define CRM_DEPRECATED_SINCE_2_1_0 1 #define CRM_META "CRM_meta" #define CRM_ASSERT(expr) do { \ if(__unlikely((expr) == FALSE)) { \ crm_abort(__FILE__, __PRETTY_FUNCTION__, __LINE__, #expr, TRUE, FALSE); \ } \ } while(0) #define CRM_LOG_ASSERT(expr) do { \ if(__unlikely((expr) == FALSE)) { \ crm_abort(__FILE__, __PRETTY_FUNCTION__, __LINE__, #expr, FALSE, TRUE); \ } \ } while(0) extern const char *crm_system_name; /* Clean these up at some point, some probably should be runtime options */ #define SOCKET_LEN 1024 #define APPNAME_LEN 256 #define MAX_IPC_FAIL 5 #define MAX_IPC_DELAY 120 #define MSG_LOG 1 #define DOT_FSA_ACTIONS 1 #define DOT_ALL_FSA_INPUTS 1 /* #define FSA_TRACE 1 */ #define INFINITY_S "INFINITY" #define MINUS_INFINITY_S "-INFINITY" #define INFINITY 1000000 /* Sub-systems */ #define CRM_SYSTEM_DC "dc" #define CRM_SYSTEM_DCIB "dcib" /* The master CIB */ #define CRM_SYSTEM_CIB "cib" #define CRM_SYSTEM_CRMD "crmd" #define CRM_SYSTEM_LRMD "lrmd" #define CRM_SYSTEM_PENGINE "pengine" #define CRM_SYSTEM_TENGINE "tengine" #define CRM_SYSTEM_STONITHD "stonithd" /* Valid operations */ #define CRM_OP_NOOP "noop" #define CRM_OP_JOIN_ANNOUNCE "join_announce" #define CRM_OP_JOIN_OFFER "join_offer" #define CRM_OP_JOIN_REQUEST "join_request" #define CRM_OP_JOIN_ACKNAK "join_ack_nack" #define CRM_OP_JOIN_CONFIRM "join_confirm" #define CRM_OP_DIE "die_no_respawn" #define CRM_OP_RETRIVE_CIB "retrieve_cib" #define CRM_OP_PING "ping" #define CRM_OP_VOTE "vote" #define CRM_OP_NOVOTE "no-vote" #define CRM_OP_HELLO "hello" #define CRM_OP_HBEAT "dc_beat" #define CRM_OP_PECALC "pe_calc" #define CRM_OP_ABORT "abort" #define CRM_OP_QUIT "quit" #define CRM_OP_LOCAL_SHUTDOWN "start_shutdown" #define CRM_OP_SHUTDOWN_REQ "req_shutdown" #define CRM_OP_SHUTDOWN "do_shutdown" #define CRM_OP_FENCE "stonith" #define CRM_OP_EVENTCC "event_cc" #define CRM_OP_TEABORT "te_abort" #define CRM_OP_TEABORTED "te_abort_confirmed" /* we asked */ #define CRM_OP_TE_HALT "te_halt" #define CRM_OP_TECOMPLETE "te_complete" #define CRM_OP_TETIMEOUT "te_timeout" #define CRM_OP_TRANSITION "transition" #define CRM_OP_REGISTER "register" #define CRM_OP_DEBUG_UP "debug_inc" #define CRM_OP_DEBUG_DOWN "debug_dec" #define CRM_OP_INVOKE_LRM "lrm_invoke" #define CRM_OP_LRM_REFRESH "lrm_refresh" #define CRM_OP_LRM_QUERY "lrm_query" #define CRM_OP_LRM_DELETE "lrm_delete" #define CRM_OP_LRM_FAIL "lrm_fail" #define CRM_OP_PROBED "probe_complete" #define CRM_OP_REPROBE "probe_again" #define CRM_OP_CLEAR_FAILCOUNT "clear_failcount" #define CRMD_STATE_ACTIVE "member" #define CRMD_STATE_INACTIVE "down" #define CRMD_JOINSTATE_DOWN CRMD_STATE_INACTIVE #define CRMD_JOINSTATE_PENDING "pending" #define CRMD_JOINSTATE_MEMBER CRMD_STATE_ACTIVE #define CRMD_JOINSTATE_NACK "banned" #define CRMD_ACTION_DELETE "delete" #define CRMD_ACTION_CANCEL "cancel" #define CRMD_ACTION_MIGRATE "migrate_to" #define CRMD_ACTION_MIGRATED "migrate_from" #define CRMD_ACTION_START "start" #define CRMD_ACTION_STARTED "running" #define CRMD_ACTION_STOP "stop" #define CRMD_ACTION_STOPPED "stopped" #define CRMD_ACTION_PROMOTE "promote" #define CRMD_ACTION_PROMOTED "promoted" #define CRMD_ACTION_DEMOTE "demote" #define CRMD_ACTION_DEMOTED "demoted" #define CRMD_ACTION_NOTIFY "notify" #define CRMD_ACTION_NOTIFIED "notified" #define CRMD_ACTION_STATUS "monitor" /* short names */ #define RSC_DELETE CRMD_ACTION_DELETE #define RSC_CANCEL CRMD_ACTION_CANCEL #define RSC_MIGRATE CRMD_ACTION_MIGRATE #define RSC_MIGRATED CRMD_ACTION_MIGRATED #define RSC_START CRMD_ACTION_START #define RSC_STARTED CRMD_ACTION_STARTED #define RSC_STOP CRMD_ACTION_STOP #define RSC_STOPPED CRMD_ACTION_STOPPED #define RSC_PROMOTE CRMD_ACTION_PROMOTE #define RSC_PROMOTED CRMD_ACTION_PROMOTED #define RSC_DEMOTE CRMD_ACTION_DEMOTE #define RSC_DEMOTED CRMD_ACTION_DEMOTED #define RSC_NOTIFY CRMD_ACTION_NOTIFY #define RSC_NOTIFIED CRMD_ACTION_NOTIFIED #define RSC_STATUS CRMD_ACTION_STATUS typedef GList* GListPtr; /* LOG_DEBUG = 7, make LOG_TRACE ::= -VVVVV */ #define LOG_TRACE 12 #define LOG_DEBUG_2 LOG_TRACE #define LOG_DEBUG_3 LOG_TRACE #define LOG_DEBUG_4 LOG_TRACE #define LOG_DEBUG_5 LOG_TRACE #define LOG_DEBUG_6 LOG_TRACE #define LOG_MSG LOG_TRACE #if SUPPORT_TRACING struct _pcmk_ddebug_query { const char *files; const char *formats; const char *functions; unsigned long long total; unsigned long long matches; }; /* * An instance of this structure is created in a special * ELF section at every dynamic debug callsite. At runtime, * the special section is treated as an array of these. */ struct _pcmk_ddebug { /* * These fields are used to drive the user interface * for selecting and displaying debug callsites. */ const char *function; const char *filename; const char *format; unsigned int lineno:24; /* * The bump field will add to the level at the callsite. * The value here are changed dynamically when the user * writes commands to FIXME ;-) */ int bump; } __attribute__((aligned(8))); /* will be assigned by ld linker magic */ extern struct _pcmk_ddebug __start___verbose[]; extern struct _pcmk_ddebug __stop___verbose[]; # define CRM_TRACE_INIT_DATA(name) \ void name(void); \ void name(void) { CRM_ASSERT(__start___verbose != __stop___verbose); } \ void __attribute__ ((constructor)) name(void); #define CRM_CHECK(expr, failure_action) do { \ static struct _pcmk_ddebug descriptor \ __attribute__((section("__verbose"), aligned(8))) = \ { __func__, __FILE__, #expr, __LINE__, LOG_TRACE}; \ \ if(__unlikely((expr) == FALSE)) { \ crm_abort(__FILE__, __PRETTY_FUNCTION__, __LINE__, #expr, \ descriptor.bump != LOG_TRACE, TRUE); \ failure_action; \ } \ } while(0) /* * Throughout the macros below, note the leading, pre-comma, space in the * various ' , ##args' occurences to aid portability across versions of 'gcc'. * http://gcc.gnu.org/onlinedocs/cpp/Variadic-Macros.html#Variadic-Macros */ # define do_crm_log(level, fmt, args...) do { \ static struct _pcmk_ddebug descriptor \ __attribute__((section("__verbose"), aligned(8))) = \ { __func__, __FILE__, fmt, __LINE__, LOG_TRACE}; \ \ if(__likely((level) <= crm_log_level)) { \ cl_log((level), "%s: " fmt, __PRETTY_FUNCTION__ , ##args); \ \ } else if(__unlikely(descriptor.bump != LOG_TRACE)) { \ cl_log(descriptor.bump, "TRACE: %s: %s:%d " fmt, __PRETTY_FUNCTION__ , __FILE__, __LINE__, ##args); \ } \ } while(0) # define do_crm_log_unlikely(level, fmt, args...) do { \ static struct _pcmk_ddebug descriptor \ __attribute__((section("__verbose"), aligned(8))) = \ { __func__, __FILE__, fmt, __LINE__, LOG_TRACE }; \ \ if(__unlikely((level) <= crm_log_level)) { \ cl_log((level), "%s: " fmt, __PRETTY_FUNCTION__ , ##args); \ \ } else if(__unlikely(descriptor.bump != LOG_TRACE)) { \ cl_log(descriptor.bump, "TRACE: %s: %s:%d " fmt, __PRETTY_FUNCTION__ , __FILE__, __LINE__, ##args); \ } \ } while(0) # define do_crm_log_xml(level, text, xml) do { \ static struct _pcmk_ddebug descriptor \ __attribute__((section("__verbose"), aligned(8))) = \ { __func__, __FILE__, __PRETTY_FUNCTION__, __LINE__, LOG_TRACE }; \ \ if(xml == NULL) { \ } else if(__likely((level) <= crm_log_level)) { \ log_data_element(level, __FILE__, __PRETTY_FUNCTION__, 0, text, xml, 0, TRUE); \ \ } else if(__unlikely(descriptor.bump != LOG_TRACE)) { \ log_data_element(descriptor.bump, __FILE__, __PRETTY_FUNCTION__, __LINE__, text, xml, 0, TRUE); \ } \ } while(0) # define do_crm_log_alias(level, file, function, line, fmt, args...) do { \ if(line) { \ cl_log(level, "TRACE: %s %s:%d "fmt, function, file, line, ##args); \ } else { \ cl_log(level, "%s "fmt, function, ##args); \ } \ } while(0) #else # define CRM_TRACE_INIT_DATA(name) #define CRM_CHECK(expr, failure_action) do { \ if(__unlikely((expr) == FALSE)) { \ crm_abort(__FILE__,__PRETTY_FUNCTION__,__LINE__, #expr, FALSE, TRUE); \ failure_action; \ } \ } while(0) # define do_crm_log(level, fmt, args...) do { \ if(__likely((level) <= crm_log_level)) { \ cl_log((level), "%s: " fmt, __PRETTY_FUNCTION__ , ##args); \ } \ } while(0) # define do_crm_log_unlikely(level, fmt, args...) do { \ if(__unlikely((level) <= crm_log_level)) { \ cl_log((level), "%s: " fmt, __PRETTY_FUNCTION__ , ##args); \ } \ } while(0) # define do_crm_log_xml(level, text, xml) do { \ if(xml == NULL) { \ } else if(__unlikely((level) <= crm_log_level)) { \ log_data_element(level, __FILE__, __PRETTY_FUNCTION__, 0, text, xml, 0, TRUE); \ } \ } while(0) # define do_crm_log_alias(level, file, function, line, fmt, args...) do { \ cl_log(level, "%s"fmt, function, ##args); \ } while(0) #endif #define do_crm_log_always(level, fmt, args...) cl_log(level, "%s: " fmt, __PRETTY_FUNCTION__ , ##args) #define crm_crit(fmt, args...) do_crm_log_always(LOG_CRIT, fmt , ##args) #define crm_err(fmt, args...) do_crm_log(LOG_ERR, fmt , ##args) #define crm_warn(fmt, args...) do_crm_log(LOG_WARNING, fmt , ##args) #define crm_notice(fmt, args...) do_crm_log(LOG_NOTICE, fmt , ##args) #define crm_info(fmt, args...) do_crm_log(LOG_INFO, fmt , ##args) #define crm_debug(fmt, args...) do_crm_log_unlikely(LOG_DEBUG, fmt , ##args) #define crm_trace(fmt, args...) do_crm_log_unlikely(LOG_TRACE, fmt , ##args) #define crm_debug_2 crm_trace #define crm_debug_3 crm_trace #define crm_debug_4 crm_trace #define crm_debug_5 crm_trace #define crm_debug_6 crm_trace #define crm_perror(level, fmt, args...) do { \ const char *err = strerror(errno); \ fprintf(stderr, fmt ": %s (%d)\n", ##args, err, errno); \ do_crm_log(level, fmt ": %s (%d)", ##args, err, errno); \ } while(0) #include #define crm_log_xml_crit(xml, text) do_crm_log_xml(LOG_CRIT, text, xml) #define crm_log_xml_err(xml, text) do_crm_log_xml(LOG_ERR, text, xml) #define crm_log_xml_warn(xml, text) do_crm_log_xml(LOG_WARNING, text, xml) #define crm_log_xml_notice(xml, text) do_crm_log_xml(LOG_NOTICE, text, xml) #define crm_log_xml_info(xml, text) do_crm_log_xml(LOG_INFO, text, xml) #define crm_log_xml_debug(xml, text) do_crm_log_xml(LOG_DEBUG, text, xml) #define crm_log_xml_trace(xml, text) do_crm_log_xml(LOG_TRACE, text, xml) #define crm_log_xml do_crm_log_xml #define crm_log_xml_debug_2 crm_log_xml_trace #define crm_log_xml_debug_3 crm_log_xml_trace #define crm_log_xml_debug_4 crm_log_xml_trace #define crm_log_xml_debug_5 crm_log_xml_trace #define crm_str(x) (const char*)(x?x:"") #define crm_malloc0(malloc_obj, length) do { \ malloc_obj = malloc(length); \ if(malloc_obj == NULL) { \ crm_err("Failed allocation of %lu bytes", (unsigned long)length); \ CRM_ASSERT(malloc_obj != NULL); \ } \ memset(malloc_obj, 0, length); \ } while(0) #define crm_malloc(malloc_obj, length) do { \ malloc_obj = malloc(length); \ if(malloc_obj == NULL) { \ crm_err("Failed allocation of %lu bytes", (unsigned long)length); \ CRM_ASSERT(malloc_obj != NULL); \ } \ } while(0) #define crm_realloc(realloc_obj, length) do { \ realloc_obj = realloc(realloc_obj, length); \ CRM_ASSERT(realloc_obj != NULL); \ } while(0) #define crm_free(free_obj) do { free(free_obj); free_obj=NULL; } while(0) #define crm_msg_del(msg) do { if(msg != NULL) { ha_msg_del(msg); msg = NULL; } } while(0) #define crm_strdup(str) crm_strdup_fn(str, __FILE__, __PRETTY_FUNCTION__, __LINE__) #define crm_str_hash g_str_hash_traditional extern guint g_str_hash_traditional(gconstpointer v); extern void update_all_trace_data(void); static inline void slist_basic_destroy(GListPtr list) { GListPtr gIter = NULL; for(gIter = list; gIter != NULL; gIter = gIter->next) { free(gIter->data); } g_list_free(list); } /* These two macros are no longer to be used * They exist for compatability reasons and will be removed in a * future release * Use something like this instead: GListPtr gIter = rsc->children; for(; gIter != NULL; gIter = gIter->next) { resource_t *child_rsc = (resource_t*)gIter->data; ... } * */ #define slist_destroy(child_type, child, parent, a) do { \ GListPtr __crm_iter_head = parent; \ child_type *child = NULL; \ while(__crm_iter_head != NULL) { \ child = (child_type *) __crm_iter_head->data; \ __crm_iter_head = __crm_iter_head->next; \ { a; } \ } \ g_list_free(parent); \ } while(0) #define slist_iter(child, child_type, parent, counter, a) do { \ GListPtr __crm_iter_head = parent; \ child_type *child = NULL; \ int counter = 0; \ for(; __crm_iter_head != NULL; counter++) { \ child = (child_type *) __crm_iter_head->data; \ __crm_iter_head = __crm_iter_head->next; \ { a; } \ } \ } while(0) #endif diff --git a/include/crm/stonith-ng-internal.h b/include/crm/stonith-ng-internal.h new file mode 100644 index 0000000000..90d7dafcce --- /dev/null +++ b/include/crm/stonith-ng-internal.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2011 Andrew Beekhof + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef STONITH_NG_INTERNAL__H +#define STONITH_NG_INTERNAL__H + + +/* internal details - move elsewhere */ + +typedef struct async_command_s +{ + + int id; + int stdout; + int options; + int timeout; + + char *op; + char *origin; + char *client; + char *remote; + + char *victim; + char *action; + char *device; + + GListPtr device_list; + GListPtr device_next; + + ProcTrack_ops *pt_ops; + GHashTable *node_attrs; + ProcTrackKillInfo killseq[3]; + +} async_command_t; + + +extern int run_stonith_agent( + const char *agent, GHashTable *dev_hash, GHashTable *node_hash, const char *action, const char *victim, + int *agent_result, char **output, async_command_t *track); + +extern gboolean is_redhat_agent(const char *agent); + +#endif diff --git a/include/crm/stonith-ng.h b/include/crm/stonith-ng.h index 745ba1555a..bf52223dfe 100644 --- a/include/crm/stonith-ng.h +++ b/include/crm/stonith-ng.h @@ -1,200 +1,177 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef STONITH_NG__H #define STONITH_NG__H #include #include #include enum stonith_state { stonith_connected_command, stonith_connected_query, - stonith_disconnected + stonith_disconnected, }; enum stonith_call_options { st_opt_none = 0x00000000, st_opt_verbose = 0x00000001, st_opt_allow_suicide = 0x00000002, st_opt_local_first = 0x00000004, st_opt_discard_reply = 0x00000010, st_opt_all_replies = 0x00000020, st_opt_scope_local = 0x00000100, st_opt_sync_call = 0x00001000, }; #define stonith_default_options = stonith_none enum stonith_errors { stonith_ok = 0, st_err_generic = -1, st_err_internal = -2, st_err_not_supported = -3, st_err_connection = -4, st_err_missing = -5, st_err_exists = -6, st_err_timeout = -7, st_err_ipc = -8, st_err_peer = -9, st_err_unknown_operation = -10, st_err_unknown_device = -11, st_err_unknown_port = -12, st_err_none_available = -13, st_err_authentication = -14, st_err_signal = -15, }; #define F_STONITH_CLIENTID "st_clientid" #define F_STONITH_CALLOPTS "st_callopt" #define F_STONITH_CALLID "st_callid" #define F_STONITH_CALLDATA "st_calldata" #define F_STONITH_OPERATION "st_op" #define F_STONITH_TARGET "st_target" #define F_STONITH_REMOTE "st_remote_op" #define F_STONITH_RC "st_rc" #define F_STONITH_TIMEOUT "st_timeout" #define F_STONITH_CALLBACK_TOKEN "st_async_id" #define F_STONITH_CLIENTNAME "st_clientname" #define F_STONITH_NOTIFY_TYPE "st_notify_type" #define F_STONITH_NOTIFY_ACTIVATE "st_notify_activate" #define F_STONITH_NOTIFY_DEACTIVATE "st_notify_deactivate" #define F_STONITH_DELEGATE "st_delegate" #define F_STONITH_ORIGIN "st_origin" #define T_STONITH_NG "stonith-ng" #define T_STONITH_REPLY "st-reply" #define F_STONITH_DEVICE "st_device_id" #define F_STONITH_ACTION "st_device_action" #define T_STONITH_NOTIFY "st_notify" #define T_STONITH_NOTIFY_DISCONNECT "st_notify_disconnect" #define STONITH_ATTR_ARGMAP "pcmk_arg_map" #define STONITH_ATTR_HOSTMAP "pcmk_host_map" #define STONITH_ATTR_HOSTLIST "pcmk_host_list" #define STONITH_ATTR_HOSTCHECK "pcmk_host_check" #define STONITH_ATTR_ACTION_OP "option" /* To be replaced by 'action' at some point */ #define STONITH_OP_EXEC "st_execute" #define STONITH_OP_QUERY "st_query" #define STONITH_OP_FENCE "st_fence" #define STONITH_OP_CONFIRM "st_confirm" #define STONITH_OP_DEVICE_ADD "st_device_register" #define STONITH_OP_DEVICE_DEL "st_device_remove" #define STONITH_OP_DEVICE_METADATA "st_device_metadata" #define stonith_channel "st_command" #define stonith_channel_callback "st_callback" +typedef struct stonith_key_value_s { + const char *key; + const char *value; + struct stonith_key_value_s *next; +} stonith_key_value_t; + typedef struct stonith_s stonith_t; typedef struct stonith_api_operations_s { int (*free) (stonith_t *st); int (*connect) (stonith_t *st, const char *name, int *async_fd, int *sync_fd); int (*disconnect)(stonith_t *st); int (*remove_device)( stonith_t *st, int options, const char *name); int (*register_device)( stonith_t *st, int options, const char *id, - const char *namespace, const char *agent, GHashTable *parameters); + const char *namespace, const char *agent, stonith_key_value_t *params); int (*metadata)(stonith_t *st, int options, const char *device, const char *namespace, char **output, int timeout); int (*call)(stonith_t *st, int options, const char *id, const char *action, const char *port, int timeout); - int (*query)(stonith_t *st, int options, const char *node, GListPtr *devices, int timeout); - int (*fence)(stonith_t *st, int options, const char *node, const char *action, int timeout); + int (*query)(stonith_t *st, int options, const char *node, + stonith_key_value_t **devices, int timeout); + int (*fence)(stonith_t *st, int options, const char *node, const char *action, + int timeout); int (*confirm)(stonith_t *st, int options, const char *node); int (*register_notification)( stonith_t *st, const char *event, void (*notify)(stonith_t *st, const char *event, xmlNode *msg)); int (*remove_notification)(stonith_t *st, const char *event); int (*register_callback)( - stonith_t *st, int call_id, int timeout, gboolean only_success, + stonith_t *st, int call_id, int timeout, bool only_success, void *userdata, const char *callback_name, void (*callback)(stonith_t *st, const xmlNode *msg, int call, int rc, xmlNode *output, void *userdata)); - int (*remove_callback)(stonith_t *st, int call_id, gboolean all_callbacks); + int (*remove_callback)(stonith_t *st, int call_id, bool all_callbacks); } stonith_api_operations_t; struct stonith_s { enum stonith_state state; int call_id; int call_timeout; void *private; - GList *notify_list; - stonith_api_operations_t *cmds; }; /* Core functions */ extern stonith_t *stonith_api_new(void); extern void stonith_api_delete(stonith_t *st); extern const char *stonith_error2string(enum stonith_errors return_code); extern void stonith_dump_pending_callbacks(stonith_t *st); -/* internal details - move elsewhere */ - -typedef struct async_command_s -{ - - int id; - int stdout; - int options; - int timeout; - - char *op; - char *origin; - char *client; - char *remote; - - char *victim; - char *action; - char *device; - - GListPtr device_list; - GListPtr device_next; - - ProcTrack_ops *pt_ops; - GHashTable *node_attrs; - ProcTrackKillInfo killseq[3]; - -} async_command_t; - -extern int run_stonith_agent( - const char *agent, GHashTable *dev_hash, GHashTable *node_hash, const char *action, const char *victim, - int *agent_result, char **output, async_command_t *track); - -extern gboolean is_redhat_agent(const char *agent); extern const char *get_stonith_provider(const char *agent, const char *provider); +extern stonith_key_value_t *stonith_key_value_add(stonith_key_value_t *kvp, + const char *key, const char *value); +extern void stonith_key_value_freeall(stonith_key_value_t *kvp); + #endif diff --git a/lib/fencing/st_client.c b/lib/fencing/st_client.c index b8e871d65c..7b2edbb118 100644 --- a/lib/fencing/st_client.c +++ b/lib/fencing/st_client.c @@ -1,1626 +1,1662 @@ /* * Copyright (c) 2004 Andrew Beekhof * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #include #include #include #include #include #include #include #include #include #include #include #include +#include #include #include #include #define FE_AGENT_FORK -2 #define FE_AGENT_ERROR -3 CRM_TRACE_INIT_DATA(stonith); typedef struct stonith_private_s { - char *token; + char *token; IPC_Channel *command_channel; IPC_Channel *callback_channel; GCHSource *callback_source; GHashTable *stonith_op_callback_table; + GList *notify_list; void (*op_callback)( stonith_t *st, const xmlNode *msg, int call, int rc, xmlNode *output, void *userdata); } stonith_private_t; typedef struct stonith_notify_client_s { const char *event; const char *obj_id; /* implement one day */ const char *obj_type; /* implement one day */ void (*notify)(stonith_t *st, const char *event, xmlNode *msg); } stonith_notify_client_t; typedef struct stonith_callback_client_s { void (*callback)( stonith_t *st, const xmlNode *msg, int call, int rc, xmlNode *output, void *userdata); const char *id; void *user_data; gboolean only_success; struct timer_rec_s *timer; } stonith_callback_client_t; struct notify_blob_s { stonith_t *stonith; xmlNode *xml; }; struct timer_rec_s { int call_id; int timeout; guint ref; stonith_t *stonith; }; typedef enum stonith_errors (*stonith_op_t)( const char *, int, const char *, xmlNode *, xmlNode*, xmlNode*, xmlNode**, xmlNode**); static const char META_TEMPLATE[] = "\n" "\n" "\n" " 1.0\n" " \n" "%s\n" " \n" " %s\n" "%s\n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " 2.0\n" " \n" "\n"; gboolean stonith_dispatch(IPC_Channel *channel, gpointer user_data); void stonith_perform_callback(stonith_t *stonith, xmlNode *msg, int call_id, int rc); xmlNode *stonith_create_op( int call_id, const char *token, const char *op, xmlNode *data, int call_options); int stonith_send_command( stonith_t *stonith, const char *op, xmlNode *data, xmlNode **output_data, int call_options, int timeout); +stonith_key_value_t *stonith_key_value_add(stonith_key_value_t *kvp, + const char *key, const char *value); +void stonith_key_value_freeall(stonith_key_value_t *kvp); + static void stonith_connection_destroy(gpointer user_data); static void stonith_send_notification(gpointer data, gpointer user_data); static void stonith_connection_destroy(gpointer user_data) { stonith_t *stonith = user_data; stonith_private_t *native = NULL; struct notify_blob_s blob; blob.stonith = stonith; - blob.xml = create_xml_node(NULL, "notify");; + blob.xml = create_xml_node(NULL, "notify"); native = stonith->private; native->callback_source = NULL; stonith->state = stonith_disconnected; crm_xml_add(blob.xml, F_TYPE, T_STONITH_NOTIFY); crm_xml_add(blob.xml, F_SUBTYPE, T_STONITH_NOTIFY_DISCONNECT); - g_list_foreach(stonith->notify_list, stonith_send_notification, &blob); + g_list_foreach(native->notify_list, stonith_send_notification, &blob); free_xml(blob.xml); } static int stonith_api_register_device( stonith_t *stonith, int call_options, - const char *id, const char *namespace, const char *agent, GHashTable *params) + const char *id, const char *namespace, const char *agent, + stonith_key_value_t *params) { int rc = 0; xmlNode *data = create_xml_node(NULL, F_STONITH_DEVICE); xmlNode *args = create_xml_node(data, XML_TAG_ATTRS); crm_xml_add(data, XML_ATTR_ID, id); crm_xml_add(data, "origin", __FUNCTION__); crm_xml_add(data, "agent", agent); crm_xml_add(data, "namespace", namespace); - g_hash_table_foreach(params, hash2field, args); - + for( ; params; params = params->next ) { + hash2field( (gpointer)params->key, (gpointer)params->value, args ); + } + rc = stonith_send_command(stonith, STONITH_OP_DEVICE_ADD, data, NULL, call_options, 0); free_xml(data); return rc; } static int stonith_api_remove_device( stonith_t *stonith, int call_options, const char *name) { int rc = 0; xmlNode *data = NULL; data = create_xml_node(NULL, F_STONITH_DEVICE); crm_xml_add(data, "origin", __FUNCTION__); crm_xml_add(data, XML_ATTR_ID, name); rc = stonith_send_command(stonith, STONITH_OP_DEVICE_DEL, data, NULL, call_options, 0); free_xml(data); return rc; } static void append_arg( gpointer key, gpointer value, gpointer user_data) { int len = 3; /* =, \n, \0 */ int last = 0; char **args = user_data; CRM_CHECK(key != NULL, return); CRM_CHECK(value != NULL, return); if(strstr(key, "pcmk_")) { return; } else if(strstr(key, CRM_META)) { return; } else if(safe_str_eq(key, "crm_feature_set")) { return; } len += strlen(key); len += strlen(value); if(*args != NULL) { last = strlen(*args); } crm_realloc(*args, last+len); crm_debug_2("Appending: %s=%s", (char *)key, (char *)value); sprintf((*args)+last, "%s=%s\n", (char *)key, (char *)value); } static void append_const_arg(const char *key, const char *value, char **arg_list) { char *glib_sucks_key = crm_strdup(key); char *glib_sucks_value = crm_strdup(value); append_arg(glib_sucks_key, glib_sucks_value, arg_list); crm_free(glib_sucks_value); crm_free(glib_sucks_key); } static void append_host_specific_args(const char *victim, const char *map, GHashTable *params, char **arg_list) { char *name = NULL; int last = 0, lpc = 0, max = 0; if(map == NULL) { /* The best default there is for now... */ crm_debug("Using default arg map: port=uname"); append_const_arg("port", victim, arg_list); return; } max = strlen(map); crm_debug("Processing arg map: %s", map); for(; lpc < max + 1; lpc++) { if(isalpha(map[lpc])) { /* keep going */ } else if(map[lpc] == '=' || map[lpc] == ':') { crm_free(name); crm_malloc0(name, 1 + lpc - last); strncpy(name, map + last, lpc - last); crm_debug("Got name: %s", name); last = lpc + 1; } else if(map[lpc] == 0 || map[lpc] == ',' || isspace(map[lpc])) { char *param = NULL; const char *value = NULL; crm_malloc0(param, 1 + lpc - last); strncpy(param, map + last, lpc - last); last = lpc + 1; crm_debug("Got key: %s", param); if(name == NULL) { crm_err("Misparsed '%s', found '%s' without a name", map, param); crm_free(param); continue; } if(safe_str_eq(param, "uname")) { value = victim; } else { char *key = crm_meta_name(param); value = g_hash_table_lookup(params, key); crm_free(key); } if(value) { crm_debug("Setting '%s'='%s' (%s) for %s", name, value, param, victim); append_const_arg(name, value, arg_list); } else { crm_err("No node attribute '%s' for '%s'", name, victim); } crm_free(name); name=NULL; crm_free(param); if(map[lpc] == 0) { break; } } else if(isspace(map[lpc])) { last = lpc; } } crm_free(name); } static char *make_args(GHashTable *dev_hash, GHashTable *node_hash, const char *action, const char *victim) { char buffer[512]; char *arg_list = NULL; const char *map = NULL; const char *value = NULL; CRM_CHECK(action != NULL, return NULL); if(dev_hash) { map = g_hash_table_lookup(dev_hash, STONITH_ATTR_ARGMAP); g_hash_table_foreach(dev_hash, append_arg, &arg_list); } buffer[511] = 0; snprintf(buffer, 511, "pcmk_%s_action", action); value = g_hash_table_lookup(dev_hash, buffer); if(value == NULL) { /* Legacy support for early 1.1 releases - Remove for 1.2 */ snprintf(buffer, 511, "pcmk_%s_cmd", action); value = g_hash_table_lookup(dev_hash, buffer); } if(value) { crm_info("Substituting action '%s' for requested operation '%s'", value, action); action = value; } append_const_arg(STONITH_ATTR_ACTION_OP, action, &arg_list); if(victim && safe_str_neq("none", map)) { append_const_arg("nodename", victim, &arg_list); append_host_specific_args(victim, map, node_hash, &arg_list); } crm_debug_3("Calculated: %s", arg_list); return arg_list; } /* Borrowed from libfence and extended */ int run_stonith_agent( const char *agent, GHashTable *dev_hash, GHashTable *node_hash, const char *action, const char *victim, int *agent_result, char **output, async_command_t *track) { char *args = make_args(dev_hash, node_hash, action, victim); int pid, status, len, rc = -1; int p_read_fd, p_write_fd; /* parent read/write file descriptors */ int c_read_fd, c_write_fd; /* child read/write file descriptors */ int fd1[2]; int fd2[2]; c_read_fd = c_write_fd = p_read_fd = p_write_fd = -1; if (args == NULL || agent == NULL) goto fail; len = strlen(args); if (pipe(fd1)) goto fail; p_read_fd = fd1[0]; c_write_fd = fd1[1]; if (pipe(fd2)) goto fail; c_read_fd = fd2[0]; p_write_fd = fd2[1]; crm_debug("forking"); pid = fork(); if (pid < 0) { *agent_result = FE_AGENT_FORK; goto fail; } if (pid) { /* parent */ int ret; fcntl(p_read_fd, F_SETFL, fcntl(p_read_fd, F_GETFL, 0) | O_NONBLOCK); do { crm_debug("sending args"); ret = write(p_write_fd, args, len); } while (ret < 0 && errno == EINTR); if (ret != len) { if(ret >= 0) { rc = st_err_generic; } goto fail; } close(p_write_fd); if(track) { track->stdout = p_read_fd; NewTrackedProc(pid, 0, PT_LOGNORMAL, track, track->pt_ops); crm_trace("Op: %s on %s, timeout: %d", action, agent, track->timeout); if(track->timeout) { track->killseq[0].mstimeout = track->timeout; /* after timeout send TERM */ track->killseq[0].signalno = SIGTERM; track->killseq[1].mstimeout = 5000; /* after another 5s remove it */ track->killseq[1].signalno = SIGKILL; track->killseq[2].mstimeout = 5000; /* if it's still there after another 5s, complain */ track->killseq[2].signalno = 0; SetTrackedProcTimeouts(pid, track->killseq); } else { crm_err("No timeout set for stonith operation %s with device %s", action, agent); } close(c_write_fd); close(c_read_fd); crm_free(args); return pid; } else { waitpid(pid, &status, 0); if(output != NULL) { len = 0; do { char buf[500]; ret = read(p_read_fd, buf, 500); if(ret > 0) { buf[ret] = 0; crm_realloc(*output, len + ret + 1); sprintf((*output)+len, "%s", buf); crm_debug("%d: %s", ret, (*output)+len); len += ret; } } while (ret == 500 || (ret < 0 && errno == EINTR)); } *agent_result = FE_AGENT_ERROR; if (WIFEXITED(status)) { crm_debug("result = %d", WEXITSTATUS(status)); *agent_result = -WEXITSTATUS(status); rc = 0; } if(node_hash) { g_hash_table_destroy(node_hash); } } } else { /* child */ close(1); if (dup(c_write_fd) < 0) goto fail; close(2); if (dup(c_write_fd) < 0) goto fail; close(0); if (dup(c_read_fd) < 0) goto fail; /* keep c_write_fd open so parent can report all errors. */ close(c_read_fd); close(p_read_fd); close(p_write_fd); execlp(agent, agent, NULL); exit(EXIT_FAILURE); } fail: crm_free(args); if(p_read_fd >= 0) { close(p_read_fd); } if(p_write_fd >= 0) { close(p_write_fd); } if(c_read_fd >= 0) { close(c_read_fd); } if(c_write_fd >= 0) { close(c_write_fd); } return rc; } static int stonith_api_device_metadata( stonith_t *stonith, int call_options, const char *agent, const char *namespace, char **output, int timeout) { int rc = 0; int bufferlen = 0; char *buffer = NULL; char *xml_meta_longdesc = NULL; char *xml_meta_shortdesc = NULL; char *meta_param = NULL; char *meta_longdesc = NULL; char *meta_shortdesc = NULL; const char *provider = get_stonith_provider(agent, namespace); Stonith *stonith_obj = NULL; static const char *no_parameter_info = ""; crm_info("looking up %s/%s metadata", agent, provider); /* By having this in a library, we can access it from stonith_admin * when neither lrmd or stonith-ng are running * Important for the crm shell's validations... */ if(safe_str_eq(provider, "redhat")) { int exec_rc = run_stonith_agent( agent, NULL, NULL, "metadata", NULL, &rc, &buffer, NULL); if(exec_rc < 0 || rc != 0 || buffer == NULL) { /* failed */ crm_debug("Query failed: %d %d: %s", exec_rc, rc, crm_str(buffer)); /* provide a fake metadata entry */ meta_longdesc = crm_strdup(no_parameter_info); meta_shortdesc = crm_strdup(no_parameter_info); meta_param = crm_strdup( " \n" " \n" " \n" " \n" " Fencing action (null, off, on, [reboot], status, hostlist, devstatus)\n" " \n" " "); goto build; } } else { stonith_obj = stonith_new(agent); meta_longdesc = crm_strdup(stonith_get_info(stonith_obj, ST_DEVICEDESCR)); if (meta_longdesc == NULL) { crm_warn("no long description in %s's metadata.", agent); meta_longdesc = crm_strdup(no_parameter_info); } meta_shortdesc = crm_strdup(stonith_get_info(stonith_obj, ST_DEVICEID)); if (meta_shortdesc == NULL) { crm_warn("no short description in %s's metadata.", agent); meta_shortdesc = crm_strdup(no_parameter_info); } meta_param = crm_strdup(stonith_get_info(stonith_obj, ST_CONF_XML)); if (meta_param == NULL) { crm_warn("no list of parameters in %s's metadata.", agent); meta_param = crm_strdup(no_parameter_info); } build: xml_meta_longdesc = (char *)xmlEncodeEntitiesReentrant(NULL, (const unsigned char *)meta_longdesc); xml_meta_shortdesc = (char *)xmlEncodeEntitiesReentrant(NULL, (const unsigned char *)meta_shortdesc); bufferlen = strlen(META_TEMPLATE) + strlen(agent) + strlen(xml_meta_longdesc) + strlen(xml_meta_shortdesc) + strlen(meta_param) + 1; crm_malloc0(buffer, bufferlen); snprintf(buffer, bufferlen-1, META_TEMPLATE, agent, xml_meta_longdesc, xml_meta_shortdesc, meta_param); xmlFree(xml_meta_longdesc); xmlFree(xml_meta_shortdesc); if(stonith_obj) { stonith_delete(stonith_obj); } crm_free(meta_shortdesc); crm_free(meta_longdesc); crm_free(meta_param); } if(output) { *output = buffer; } else { crm_free(buffer); } return rc; } static int stonith_api_confirm( stonith_t *stonith, int call_options, const char *target) { int rc = 0; xmlNode *data = NULL; data = create_xml_node(NULL, __FUNCTION__); crm_xml_add(data, F_STONITH_TARGET, target); rc = stonith_send_command(stonith, STONITH_OP_FENCE, data, NULL, call_options, 0); free_xml(data); return rc; } static int stonith_api_query( - stonith_t *stonith, int call_options, const char *target, GListPtr *devices, int timeout) + stonith_t *stonith, int call_options, const char *target, + stonith_key_value_t **devices, int timeout) { int rc = 0, lpc = 0, max = 0; xmlNode *data = NULL; xmlNode *output = NULL; xmlXPathObjectPtr xpathObj = NULL; + crm_malloc( *devices, sizeof(char *)); CRM_CHECK(devices != NULL, return st_err_missing); data = create_xml_node(NULL, F_STONITH_DEVICE); crm_xml_add(data, "origin", __FUNCTION__); crm_xml_add(data, F_STONITH_TARGET, target); rc = stonith_send_command(stonith, STONITH_OP_QUERY, data, &output, call_options, timeout); if(rc < 0) { return rc; } xpathObj = xpath_search(output, "//@agent"); if(xpathObj) { max = xpathObj->nodesetval->nodeNr; for(lpc = 0; lpc < max; lpc++) { xmlNode *match = getXpathResult(xpathObj, lpc); CRM_CHECK(match != NULL, continue); crm_info("%s[%d] = %s", "//@agent", lpc, xmlGetNodePath(match)); - *devices = g_list_append(*devices, crm_element_value_copy(match, XML_ATTR_ID)); + stonith_key_value_add(*devices, NULL, + crm_element_value_copy(match, XML_ATTR_ID)); } } free_xml(output); free_xml(data); return max; } static int stonith_api_call( stonith_t *stonith, int call_options, const char *id, const char *action, const char *victim, int timeout) { int rc = 0; xmlNode *data = NULL; data = create_xml_node(NULL, F_STONITH_DEVICE); crm_xml_add(data, "origin", __FUNCTION__); crm_xml_add(data, F_STONITH_DEVICE, id); crm_xml_add(data, F_STONITH_ACTION, action); crm_xml_add(data, F_STONITH_TARGET, victim); rc = stonith_send_command(stonith, STONITH_OP_EXEC, data, NULL, call_options, timeout); free_xml(data); return rc; } static int stonith_api_fence( stonith_t *stonith, int call_options, const char *node, const char *action, int timeout) { int rc = 0; xmlNode *data = NULL; data = create_xml_node(NULL, __FUNCTION__); crm_xml_add(data, F_STONITH_TARGET, node); crm_xml_add(data, F_STONITH_ACTION, action); crm_xml_add_int(data, F_STONITH_TIMEOUT, timeout); rc = stonith_send_command(stonith, STONITH_OP_FENCE, data, NULL, call_options, timeout); free_xml(data); return rc; } const char * stonith_error2string(enum stonith_errors return_code) { const char *error_msg = NULL; switch(return_code) { case stonith_ok: error_msg = "OK"; break; case st_err_not_supported: error_msg = "Not supported"; break; case st_err_authentication: error_msg = "Not authenticated"; break; case st_err_generic: error_msg = "Generic error"; break; case st_err_internal: error_msg = "Internal error"; break; case st_err_unknown_device: error_msg = "Unknown device"; break; case st_err_unknown_operation: error_msg = "Unknown operation"; break; case st_err_unknown_port: error_msg = "Unknown victim"; break; case st_err_none_available: error_msg = "No available fencing devices"; break; case st_err_connection: error_msg = "Not connected"; break; case st_err_missing: error_msg = "Missing input"; break; case st_err_exists: error_msg = "Device exists"; break; case st_err_timeout: error_msg = "Operation timed out"; break; case st_err_signal: error_msg = "Killed by signal"; break; case st_err_ipc: error_msg = "IPC connection failed"; break; case st_err_peer: error_msg = "Error from peer"; break; } if(error_msg == NULL) { crm_err("Unknown Stonith error code: %d", return_code); error_msg = ""; } return error_msg; } gboolean is_redhat_agent(const char *agent) { int rc = 0; struct stat prop; char buffer[FILENAME_MAX+1]; snprintf(buffer,FILENAME_MAX,"%s/%s", RH_STONITH_DIR, agent); rc = stat(buffer, &prop); if (rc >= 0 && S_ISREG(prop.st_mode)) { return TRUE; } return FALSE; } const char *get_stonith_provider(const char *agent, const char *provider) { /* This function sucks */ if(is_redhat_agent(agent)) { return "redhat"; } else { Stonith *stonith_obj = stonith_new(agent); if(stonith_obj) { stonith_delete(stonith_obj); return "heartbeat"; } } crm_err("No such device: %s", agent); return NULL; } static gint stonithlib_GCompareFunc(gconstpointer a, gconstpointer b) { int rc = 0; const stonith_notify_client_t *a_client = a; const stonith_notify_client_t *b_client = b; CRM_CHECK(a_client->event != NULL && b_client->event != NULL, return 0); rc = strcmp(a_client->event, b_client->event); if(rc == 0) { if(a_client->notify == NULL || b_client->notify == NULL) { return 0; } else if(a_client->notify == b_client->notify) { return 0; } else if(((long)a_client->notify) < ((long)b_client->notify)) { crm_err("callbacks for %s are not equal: %p vs. %p", a_client->event, a_client->notify, b_client->notify); return -1; } crm_err("callbacks for %s are not equal: %p vs. %p", a_client->event, a_client->notify, b_client->notify); return 1; } return rc; } static int get_stonith_token(IPC_Channel *ch, char **token) { int rc = stonith_ok; xmlNode *reg_msg = NULL; const char *msg_type = NULL; const char *tmp_ticket = NULL; CRM_CHECK(ch != NULL, return st_err_missing); CRM_CHECK(token != NULL, return st_err_missing); crm_debug_4("Waiting for msg on command channel"); reg_msg = xmlfromIPC(ch, MAX_IPC_DELAY); if(ch->ops->get_chan_status(ch) != IPC_CONNECT) { crm_err("No reply message - disconnected"); free_xml(reg_msg); return st_err_connection; } else if(reg_msg == NULL) { crm_err("No reply message - empty"); return st_err_ipc; } msg_type = crm_element_value(reg_msg, F_STONITH_OPERATION); tmp_ticket = crm_element_value(reg_msg, F_STONITH_CLIENTID); if(safe_str_neq(msg_type, CRM_OP_REGISTER) ) { crm_err("Invalid registration message: %s", msg_type); rc = st_err_internal; } else if(tmp_ticket == NULL) { crm_err("No registration token provided"); crm_log_xml_warn(reg_msg, "Bad reply"); rc = st_err_internal; } else { crm_debug("Obtained registration token: %s", tmp_ticket); *token = crm_strdup(tmp_ticket); } free_xml(reg_msg); return rc; } xmlNode *stonith_create_op( int call_id, const char *token, const char *op, xmlNode *data, int call_options) { int rc = HA_OK; xmlNode *op_msg = create_xml_node(NULL, "stonith_command"); CRM_CHECK(op_msg != NULL, return NULL); CRM_CHECK(token != NULL, return NULL); crm_xml_add(op_msg, F_XML_TAGNAME, "stonith_command"); crm_xml_add(op_msg, F_TYPE, T_STONITH_NG); crm_xml_add(op_msg, F_STONITH_CALLBACK_TOKEN, token); crm_xml_add(op_msg, F_STONITH_OPERATION, op); crm_xml_add_int(op_msg, F_STONITH_CALLID, call_id); crm_debug_4("Sending call options: %.8lx, %d", (long)call_options, call_options); crm_xml_add_int(op_msg, F_STONITH_CALLOPTS, call_options); if(data != NULL) { add_message_xml(op_msg, F_STONITH_CALLDATA, data); } if (rc != HA_OK) { crm_err("Failed to create STONITH operation message"); crm_log_xml(LOG_ERR, "BadOp", op_msg); free_xml(op_msg); return NULL; } return op_msg; } static void stonith_destroy_op_callback(gpointer data) { stonith_callback_client_t *blob = data; if(blob->timer && blob->timer->ref > 0) { g_source_remove(blob->timer->ref); } crm_free(blob->timer); crm_free(blob); } static int stonith_api_signoff(stonith_t* stonith) { stonith_private_t *native = stonith->private; crm_debug("Signing out of the STONITH Service"); /* close channels */ if (native->command_channel != NULL) { native->command_channel->ops->destroy( native->command_channel); native->command_channel = NULL; } if (native->callback_source != NULL) { G_main_del_IPC_Channel(native->callback_source); native->callback_source = NULL; } if (native->callback_channel != NULL) { #ifdef BUG native->callback_channel->ops->destroy( native->callback_channel); #endif native->callback_channel = NULL; } stonith->state = stonith_disconnected; return stonith_ok; } static int stonith_api_signon( stonith_t* stonith, const char *name, int *async_fd, int *sync_fd) { int rc = stonith_ok; xmlNode *hello = NULL; char *uuid_ticket = NULL; stonith_private_t *native = stonith->private; crm_debug_4("Connecting command channel"); stonith->state = stonith_connected_command; native->command_channel = init_client_ipc_comms_nodispatch(stonith_channel); if(native->command_channel == NULL) { crm_debug("Connection to command channel failed"); rc = st_err_connection; } else if(native->command_channel->ch_status != IPC_CONNECT) { crm_err("Connection may have succeeded," " but authentication to command channel failed"); rc = st_err_authentication; } if(rc == stonith_ok) { rc = get_stonith_token(native->command_channel, &uuid_ticket); if(rc == stonith_ok) { native->token = uuid_ticket; uuid_ticket = NULL; } else { stonith->state = stonith_disconnected; native->command_channel->ops->disconnect(native->command_channel); return rc; } } native->callback_channel = init_client_ipc_comms_nodispatch( stonith_channel_callback); if(native->callback_channel == NULL) { crm_debug("Connection to callback channel failed"); rc = st_err_connection; } else if(native->callback_channel->ch_status != IPC_CONNECT) { crm_err("Connection may have succeeded," " but authentication to command channel failed"); rc = st_err_authentication; } if(rc == stonith_ok) { native->callback_channel->send_queue->max_qlen = 500; rc = get_stonith_token(native->callback_channel, &uuid_ticket); if(rc == stonith_ok) { crm_free(native->token); native->token = uuid_ticket; } } if(rc == stonith_ok) { CRM_CHECK(native->token != NULL, ;); hello = stonith_create_op(0, native->token, CRM_OP_REGISTER, NULL, 0); crm_xml_add(hello, F_STONITH_CLIENTNAME, name); if(send_ipc_message(native->command_channel, hello) == FALSE) { rc = st_err_internal; } free_xml(hello); } if(rc == stonith_ok) { gboolean do_mainloop = TRUE; if(async_fd != NULL) { do_mainloop = FALSE; *async_fd = native->callback_channel->ops->get_recv_select_fd(native->callback_channel); } if(sync_fd != NULL) { do_mainloop = FALSE; *sync_fd = native->callback_channel->ops->get_send_select_fd(native->callback_channel); } if(do_mainloop) { crm_debug_4("Connecting callback channel"); native->callback_source = G_main_add_IPC_Channel( G_PRIORITY_HIGH, native->callback_channel, FALSE, stonith_dispatch, stonith, default_ipc_connection_destroy); if(native->callback_source == NULL) { crm_err("Callback source not recorded"); rc = st_err_connection; } else { set_IPC_Channel_dnotify( native->callback_source, stonith_connection_destroy); } } } if(rc == stonith_ok) { #if HAVE_MSGFROMIPC_TIMEOUT stonith->call_timeout = MAX_IPC_DELAY; #endif crm_debug("Connection to STONITH successful"); return stonith_ok; } crm_debug("Connection to STONITH failed: %s", stonith_error2string(rc)); stonith->cmds->disconnect(stonith); return rc; } static int stonith_set_notification(stonith_t* stonith, const char *callback, int enabled) { xmlNode *notify_msg = create_xml_node(NULL, __FUNCTION__); stonith_private_t *native = stonith->private; if(stonith->state != stonith_disconnected) { crm_xml_add(notify_msg, F_STONITH_OPERATION, T_STONITH_NOTIFY); if(enabled) { crm_xml_add(notify_msg, F_STONITH_NOTIFY_ACTIVATE, callback); } else { crm_xml_add(notify_msg, F_STONITH_NOTIFY_DEACTIVATE, callback); } send_ipc_message(native->callback_channel, notify_msg); } free_xml(notify_msg); return stonith_ok; } static int stonith_api_add_notification( stonith_t *stonith, const char *event, void (*callback)(stonith_t *stonith, const char *event, xmlNode *msg)) { GList *list_item = NULL; stonith_notify_client_t *new_client = NULL; + stonith_private_t *private = NULL; + private = stonith->private; crm_debug_2("Adding callback for %s events (%d)", - event, g_list_length(stonith->notify_list)); + event, g_list_length(private->notify_list)); crm_malloc0(new_client, sizeof(stonith_notify_client_t)); new_client->event = event; new_client->notify = callback; list_item = g_list_find_custom( - stonith->notify_list, new_client, stonithlib_GCompareFunc); + private->notify_list, new_client, stonithlib_GCompareFunc); if(list_item != NULL) { crm_warn("Callback already present"); crm_free(new_client); return st_err_exists; } else { - stonith->notify_list = g_list_append( - stonith->notify_list, new_client); + private->notify_list = g_list_append(private->notify_list, new_client); stonith_set_notification(stonith, event, 1); - crm_debug_3("Callback added (%d)", g_list_length(stonith->notify_list)); + crm_debug_3("Callback added (%d)", g_list_length(private->notify_list)); } return stonith_ok; } static int stonith_api_del_notification(stonith_t *stonith, const char *event) { GList *list_item = NULL; stonith_notify_client_t *new_client = NULL; + stonith_private_t *private = NULL; crm_debug("Removing callback for %s events", event); + private = stonith->private; crm_malloc0(new_client, sizeof(stonith_notify_client_t)); new_client->event = event; new_client->notify = NULL; list_item = g_list_find_custom( - stonith->notify_list, new_client, stonithlib_GCompareFunc); + private->notify_list, new_client, stonithlib_GCompareFunc); stonith_set_notification(stonith, event, 0); if(list_item != NULL) { stonith_notify_client_t *list_client = list_item->data; - stonith->notify_list = - g_list_remove(stonith->notify_list, list_client); + private->notify_list = + g_list_remove(private->notify_list, list_client); crm_free(list_client); crm_debug_3("Removed callback"); } else { crm_debug_3("Callback not present"); } crm_free(new_client); return stonith_ok; } static gboolean stonith_async_timeout_handler(gpointer data) { struct timer_rec_s *timer = data; crm_debug("Async call %d timed out after %dms", timer->call_id, timer->timeout); stonith_perform_callback(timer->stonith, NULL, timer->call_id, st_err_timeout); /* Always return TRUE, never remove the handler * We do that in stonith_del_callback() */ return TRUE; } static int stonith_api_add_callback( - stonith_t *stonith, int call_id, int timeout, gboolean only_success, + stonith_t *stonith, int call_id, int timeout, bool only_success, void *user_data, const char *callback_name, void (*callback)( stonith_t *st, const xmlNode *msg, int call, int rc, xmlNode *output, void *userdata)) { stonith_callback_client_t *blob = NULL; stonith_private_t *private = NULL; CRM_CHECK(stonith != NULL, return st_err_missing); CRM_CHECK(stonith->private != NULL, return st_err_missing); private = stonith->private; if(call_id == 0) { private->op_callback = callback; } else if(call_id < 0) { if(only_success == FALSE) { callback(stonith, NULL, call_id, call_id, NULL, user_data); } else { crm_warn("STONITH call failed: %s", stonith_error2string(call_id)); } return FALSE; } crm_malloc0(blob, sizeof(stonith_callback_client_t)); blob->id = callback_name; blob->only_success = only_success; blob->user_data = user_data; blob->callback = callback; if(timeout > 0) { struct timer_rec_s *async_timer = NULL; crm_malloc0(async_timer, sizeof(struct timer_rec_s)); blob->timer = async_timer; async_timer->stonith = stonith; async_timer->call_id = call_id; async_timer->timeout = timeout*1100; async_timer->ref = g_timeout_add( async_timer->timeout, stonith_async_timeout_handler, async_timer); } g_hash_table_insert(private->stonith_op_callback_table, GINT_TO_POINTER(call_id), blob); return TRUE; } -static int stonith_api_del_callback(stonith_t *stonith, int call_id, gboolean all_callbacks) +static int stonith_api_del_callback(stonith_t *stonith, int call_id, bool all_callbacks) { stonith_private_t *private = stonith->private; if(all_callbacks) { private->op_callback = NULL; g_hash_table_destroy(private->stonith_op_callback_table); private->stonith_op_callback_table = g_hash_table_new_full( g_direct_hash, g_direct_equal, NULL, stonith_destroy_op_callback); } else if(call_id == 0) { private->op_callback = NULL; } else { g_hash_table_remove(private->stonith_op_callback_table, GINT_TO_POINTER(call_id)); } return stonith_ok; } static void stonith_dump_pending_op( gpointer key, gpointer value, gpointer user_data) { int call = GPOINTER_TO_INT(key); stonith_callback_client_t *blob = value; crm_debug("Call %d (%s): pending", call, crm_str(blob->id)); } void stonith_dump_pending_callbacks(stonith_t *stonith) { stonith_private_t *private = stonith->private; if(private->stonith_op_callback_table == NULL) { return; } return g_hash_table_foreach( private->stonith_op_callback_table, stonith_dump_pending_op, NULL); } void stonith_perform_callback(stonith_t *stonith, xmlNode *msg, int call_id, int rc) { xmlNode *output = NULL; stonith_private_t *private = NULL; stonith_callback_client_t *blob = NULL; stonith_callback_client_t local_blob; CRM_CHECK(stonith != NULL, return); CRM_CHECK(stonith->private != NULL, return); private = stonith->private; local_blob.id = NULL; local_blob.callback = NULL; local_blob.user_data = NULL; local_blob.only_success = FALSE; if(msg != NULL) { crm_element_value_int(msg, F_STONITH_RC, &rc); crm_element_value_int(msg, F_STONITH_CALLID, &call_id); output = get_message_xml(msg, F_STONITH_CALLDATA); } CRM_CHECK(call_id > 0, crm_warn("Strange or missing call-id")); blob = g_hash_table_lookup( private->stonith_op_callback_table, GINT_TO_POINTER(call_id)); if(blob != NULL) { local_blob = *blob; blob = NULL; stonith_api_del_callback(stonith, call_id, FALSE); } else { crm_debug_2("No callback found for call %d", call_id); local_blob.callback = NULL; } if(stonith == NULL) { crm_debug("No stonith object supplied"); } if(local_blob.callback != NULL && (rc == stonith_ok || local_blob.only_success == FALSE)) { crm_debug_2("Invoking callback %s for call %d", crm_str(local_blob.id), call_id); local_blob.callback(stonith, msg, call_id, rc, output, local_blob.user_data); } else if(private->op_callback == NULL && rc != stonith_ok) { crm_warn("STONITH command failed: %s", stonith_error2string(rc)); crm_log_xml(LOG_DEBUG, "Failed STONITH Update", msg); } if(private->op_callback != NULL) { crm_debug_2("Invoking global callback for call %d", call_id); private->op_callback(stonith, msg, call_id, rc, output, NULL); } crm_debug_4("OP callback activated."); } static void stonith_send_notification(gpointer data, gpointer user_data) { struct notify_blob_s *blob = user_data; stonith_notify_client_t *entry = data; const char *event = NULL; if(blob->xml == NULL) { crm_warn("Skipping callback - NULL message"); return; } event = crm_element_value(blob->xml, F_SUBTYPE); if(entry == NULL) { crm_warn("Skipping callback - NULL callback client"); return; } else if(entry->notify == NULL) { crm_warn("Skipping callback - NULL callback"); return; } else if(safe_str_neq(entry->event, event)) { crm_debug_4("Skipping callback - event mismatch %p/%s vs. %s", entry, entry->event, event); return; } crm_debug_4("Invoking callback for %p/%s event...", entry, event); entry->notify(blob->stonith, event, blob->xml); crm_debug_4("Callback invoked..."); } int stonith_send_command( stonith_t *stonith, const char *op, xmlNode *data, xmlNode **output_data, int call_options, int timeout) { int rc = HA_OK; xmlNode *op_msg = NULL; xmlNode *op_reply = NULL; stonith_private_t *native = stonith->private; if(stonith->state == stonith_disconnected) { return st_err_connection; } if(output_data != NULL) { *output_data = NULL; } if(op == NULL) { crm_err("No operation specified"); return st_err_missing; } stonith->call_id++; /* prevent call_id from being negative (or zero) and conflicting * with the stonith_errors enum * use 2 because we use it as (stonith->call_id - 1) below */ if(stonith->call_id < 1) { stonith->call_id = 1; } CRM_CHECK(native->token != NULL, ;); op_msg = stonith_create_op(stonith->call_id, native->token, op, data, call_options); if(op_msg == NULL) { return st_err_missing; } crm_xml_add_int(op_msg, F_STONITH_TIMEOUT, timeout); crm_debug_3("Sending %s message to STONITH service, Timeout: %d", op, timeout); if(send_ipc_message(native->command_channel, op_msg) == FALSE) { crm_err("Sending message to STONITH service FAILED"); free_xml(op_msg); return st_err_ipc; } else { crm_debug_3("Message sent"); } free_xml(op_msg); if((call_options & st_opt_discard_reply)) { crm_debug_3("Discarding reply"); return stonith_ok; } else if(!(call_options & st_opt_sync_call)) { crm_debug_3("Async call, returning"); CRM_CHECK(stonith->call_id != 0, return st_err_ipc); return stonith->call_id; } rc = IPC_OK; crm_debug_3("Waiting for a syncronous reply"); rc = stonith_ok; while(IPC_ISRCONN(native->command_channel)) { int reply_id = -1; int msg_id = stonith->call_id; op_reply = xmlfromIPC(native->command_channel, timeout); if(op_reply == NULL) { rc = st_err_peer; break; } crm_element_value_int(op_reply, F_STONITH_CALLID, &reply_id); if(reply_id <= 0) { rc = st_err_peer; break; } else if(reply_id == msg_id) { crm_debug_3("Syncronous reply received"); crm_log_xml(LOG_MSG, "Reply", op_reply); if(crm_element_value_int(op_reply, F_STONITH_RC, &rc) != 0) { rc = st_err_peer; } if(output_data != NULL && is_not_set(call_options, st_opt_discard_reply)) { *output_data = op_reply; op_reply = NULL; } break; } else if(reply_id < msg_id) { crm_debug("Recieved old reply: %d (wanted %d)", reply_id, msg_id); crm_log_xml(LOG_MSG, "Old reply", op_reply); } else if((reply_id - 10000) > msg_id) { /* wrap-around case */ crm_debug("Recieved old reply: %d (wanted %d)", reply_id, msg_id); crm_log_xml(LOG_MSG, "Old reply", op_reply); } else { crm_err("Received a __future__ reply:" " %d (wanted %d)", reply_id, msg_id); } free_xml(op_reply); op_reply = NULL; } if(IPC_ISRCONN(native->command_channel) == FALSE) { crm_err("STONITH disconnected: %d", native->command_channel->ch_status); stonith->state = stonith_disconnected; } if(op_reply == NULL && stonith->state == stonith_disconnected) { rc = st_err_connection; } else if(rc == stonith_ok && op_reply == NULL) { rc = st_err_peer; } free_xml(op_reply); return rc; } static gboolean stonith_msgready(stonith_t* stonith) { stonith_private_t *private = NULL; if (stonith == NULL) { crm_err("No STONITH!"); return FALSE; } private = stonith->private; if(private->command_channel != NULL) { /* drain the channel */ IPC_Channel *cmd_ch = private->command_channel; xmlNode *cmd_msg = NULL; while(cmd_ch->ch_status != IPC_DISCONNECT && cmd_ch->ops->is_message_pending(cmd_ch)) { /* this will happen when the STONITH exited from beneath us */ cmd_msg = xmlfromIPC(cmd_ch, MAX_IPC_DELAY); free_xml(cmd_msg); } } else { crm_err("No command channel"); } if(private->callback_channel == NULL) { crm_err("No callback channel"); return FALSE; } else if(private->callback_channel->ch_status == IPC_DISCONNECT) { crm_info("Lost connection to the STONITH service [%d].", private->callback_channel->farside_pid); return FALSE; } else if(private->callback_channel->ops->is_message_pending( private->callback_channel)) { crm_debug_4("Message pending on command channel [%d]", private->callback_channel->farside_pid); return TRUE; } crm_debug_3("No message pending"); return FALSE; } static int stonith_rcvmsg(stonith_t* stonith) { const char *type = NULL; stonith_private_t *private = NULL; struct notify_blob_s blob; if (stonith == NULL) { crm_err("No STONITH!"); return FALSE; } blob.stonith = stonith; private = stonith->private; /* if it is not blocking mode and no message in the channel, return */ if (stonith_msgready(stonith) == FALSE) { crm_debug_3("No message ready and non-blocking..."); return 0; } /* IPC_INTR is not a factor here */ blob.xml = xmlfromIPC(private->callback_channel, MAX_IPC_DELAY); if (blob.xml == NULL) { crm_warn("Received a NULL msg from STONITH service."); return 0; } /* do callbacks */ type = crm_element_value(blob.xml, F_TYPE); crm_debug_4("Activating %s callbacks...", type); if(safe_str_eq(type, T_STONITH_NG)) { stonith_perform_callback(stonith, blob.xml, 0, 0); } else if(safe_str_eq(type, T_STONITH_NOTIFY)) { - g_list_foreach(stonith->notify_list, stonith_send_notification, &blob); + g_list_foreach(private->notify_list, stonith_send_notification, &blob); } else { crm_err("Unknown message type: %s", type); crm_log_xml_warn(blob.xml, "BadReply"); } free_xml(blob.xml); return 1; } gboolean stonith_dispatch(IPC_Channel *channel, gpointer user_data) { stonith_t *stonith = user_data; stonith_private_t *private = NULL; gboolean stay_connected = TRUE; CRM_CHECK(stonith != NULL, return FALSE); private = stonith->private; CRM_CHECK(private->callback_channel == channel, return FALSE); while(stonith_msgready(stonith)) { /* invoke the callbacks but dont block */ int rc = stonith_rcvmsg(stonith); if( rc < 0) { crm_err("Message acquisition failed: %d", rc); break; } else if(rc == 0) { break; } } if(private->callback_channel && private->callback_channel->ch_status != IPC_CONNECT) { crm_crit("Lost connection to the STONITH service [%d/callback].", channel->farside_pid); private->callback_source = NULL; stay_connected = FALSE; } if(private->command_channel && private->command_channel->ch_status != IPC_CONNECT) { crm_crit("Lost connection to the STONITH service [%d/command].", channel->farside_pid); private->callback_source = NULL; stay_connected = FALSE; } return stay_connected; } static int stonith_api_free (stonith_t* stonith) { int rc = stonith_ok; if(stonith->state != stonith_disconnected) { rc = stonith->cmds->disconnect(stonith); } if(stonith->state == stonith_disconnected) { stonith_private_t *private = stonith->private; g_hash_table_destroy(private->stonith_op_callback_table); crm_free(private->token); crm_free(stonith->private); crm_free(stonith->cmds); crm_free(stonith); } return rc; } void stonith_api_delete(stonith_t *stonith) { - GList *list = stonith->notify_list; + stonith_private_t* private = stonith->private; + GList *list = private->notify_list; while(list != NULL) { stonith_notify_client_t *client = g_list_nth_data(list, 0); list = g_list_remove(list, client); crm_free(client); } stonith->cmds->free(stonith); stonith = NULL; } stonith_t *stonith_api_new(void) { stonith_t* new_stonith = NULL; stonith_private_t* private = NULL; crm_malloc0(new_stonith, sizeof(stonith_t)); crm_malloc0(private, sizeof(stonith_private_t)); new_stonith->private = private; private->stonith_op_callback_table = g_hash_table_new_full( g_direct_hash, g_direct_equal, NULL, stonith_destroy_op_callback); + private->notify_list = NULL; new_stonith->call_id = 1; - new_stonith->notify_list = NULL; new_stonith->state = stonith_disconnected; crm_malloc0(new_stonith->cmds, sizeof(stonith_api_operations_t)); new_stonith->cmds->free = stonith_api_free; new_stonith->cmds->connect = stonith_api_signon; new_stonith->cmds->disconnect = stonith_api_signoff; new_stonith->cmds->call = stonith_api_call; new_stonith->cmds->fence = stonith_api_fence; new_stonith->cmds->confirm = stonith_api_confirm; new_stonith->cmds->metadata = stonith_api_device_metadata; new_stonith->cmds->query = stonith_api_query; new_stonith->cmds->remove_device = stonith_api_remove_device; new_stonith->cmds->register_device = stonith_api_register_device; new_stonith->cmds->remove_callback = stonith_api_del_callback; new_stonith->cmds->register_callback = stonith_api_add_callback; new_stonith->cmds->remove_notification = stonith_api_del_notification; new_stonith->cmds->register_notification = stonith_api_add_notification; return new_stonith; } +stonith_key_value_t *stonith_key_value_add(stonith_key_value_t *kvp, + const char *key, const char *value) { + stonith_key_value_t *p; + + crm_malloc(p, sizeof(stonith_key_value_t)); + p->next = kvp; + p->key = key; + p->value = value; + return( p ); +} + +void stonith_key_value_freeall(stonith_key_value_t *kvp) { + stonith_key_value_t *p; + + while(kvp) { + p = kvp->next; + free(kvp); + kvp = p; + } +} diff --git a/lib/plugins/lrm/raexecstonith.c b/lib/plugins/lrm/raexecstonith.c index 87f36a5cf3..08b028e895 100644 --- a/lib/plugins/lrm/raexecstonith.c +++ b/lib/plugins/lrm/raexecstonith.c @@ -1,288 +1,300 @@ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * File: raexecocf.c * Author: Sun Jiang Dong * Copyright (c) 2004 International Business Machines * * This code implements the Resource Agent Plugin Module for LSB style. * It's a part of Local Resource Manager. Currently it's used by lrmd only. */ #include #include #include #include #include #include #include #include #include #include #include #if HAVE_HB_CONFIG_H #include #endif #if HAVE_GLUE_CONFIG_H #include #endif #include #include #include #include #include /* Add it for compiling on OSX */ #include #include #include #include # define PIL_PLUGINTYPE RA_EXEC_TYPE # define PIL_PLUGINTYPE_S "RAExec" # define PIL_PLUGINLICENSE LICENSE_PUBDOM # define PIL_PLUGINLICENSEURL URL_PUBDOM # define PIL_PLUGIN stonith # define PIL_PLUGIN_S "stonith" static PIL_rc close_stonithRA(PILInterface*, void* ud_interface); /* The begin of exported function list */ static int execra(const char * rsc_id, const char * rsc_type, const char * provider, const char * op_type, const int timeout, GHashTable * params); static uniform_ret_execra_t map_ra_retvalue(int ret_execra , const char * op_type, const char * std_output); static int get_resource_list(GList ** rsc_info); static char* get_resource_meta(const char* rsc_type, const char* provider); static int get_provider_list(const char* op_type, GList ** providers); /* The end of exported function list */ /* Rource agent execution plugin operations */ static struct RAExecOps raops = { execra, map_ra_retvalue, get_resource_list, get_provider_list, get_resource_meta }; PIL_PLUGIN_BOILERPLATE2("1.0", Debug); static const PILPluginImports* PluginImports; static PILPlugin* OurPlugin; static PILInterface* OurInterface; static void* OurImports; static void* interfprivate; /* * Our plugin initialization and registration function * It gets called when the plugin gets loaded. */ PIL_rc PIL_PLUGIN_INIT(PILPlugin * us, const PILPluginImports* imports); PIL_rc PIL_PLUGIN_INIT(PILPlugin * us, const PILPluginImports* imports) { /* Force the compiler to do a little type checking */ (void)(PILPluginInitFun)PIL_PLUGIN_INIT; PluginImports = imports; OurPlugin = us; /* Register ourself as a plugin */ imports->register_plugin(us, &OurPIExports); /* Register our interfaces */ return imports->register_interface(us, PIL_PLUGINTYPE_S, PIL_PLUGIN_S, &raops, close_stonithRA, &OurInterface, &OurImports, interfprivate); } static PIL_rc close_stonithRA(PILInterface* pif, void* ud_interface) { return PIL_OK; } static int execra(const char *rsc_id, const char *rsc_type, const char *provider, const char *op_type, const int timeout, GHashTable *params) { - int rc = 0; + int i, num, rc = 0; + GHashTableIter ihash; + stonith_key_value_t *device_params = NULL; stonith_t *stonith_api = NULL; + provider = get_stonith_provider(rsc_type, provider); crm_log_init("lrm-stonith", LOG_INFO, FALSE, FALSE, 0, NULL); if ( 0 == STRNCMP_CONST(op_type, "meta-data")) { char *meta = get_resource_meta(rsc_type, provider); printf("%s", meta); free(meta); exit(0); } stonith_api = stonith_api_new(); rc = stonith_api->cmds->connect(stonith_api, "lrmd", NULL, NULL); if(provider == NULL) { crm_err("No such legacy stonith device: %s", rsc_type); rc = st_err_unknown_device; } else if ( 0 == STRNCMP_CONST(op_type, "monitor") ) { rc = stonith_api->cmds->call( stonith_api, st_opt_sync_call, rsc_id, op_type, NULL, timeout); } else if ( 0 == STRNCMP_CONST(op_type, "start") ) { const char *agent = rsc_type; if(0 == STRNCMP_CONST(provider, "heartbeat")) { agent = "fence_legacy"; g_hash_table_replace(params, strdup("plugin"), strdup(rsc_type)); } - + + num = g_hash_table_size( params ); + g_hash_table_iter_init( &ihash, params ); + for( i = 0; i < num; i++ ) { + char *key, *value; + g_hash_table_iter_next(&ihash, + (gpointer *)&key, (gpointer *)&value); + stonith_key_value_add(device_params, key, value); + } + rc = stonith_api->cmds->register_device( - stonith_api, st_opt_sync_call, rsc_id, provider, agent, params); + stonith_api, st_opt_sync_call, rsc_id, provider, agent, device_params); } else if ( 0 == STRNCMP_CONST(op_type, "stop") ) { rc = stonith_api->cmds->remove_device( stonith_api, st_opt_sync_call, rsc_id); } crm_debug("%s_%s returned %d", rsc_id, op_type, rc); stonith_api->cmds->disconnect(stonith_api); stonith_api_delete(stonith_api); /* cl_log(LOG_DEBUG, "stonithRA orignal exit code=%d", exit_value); */ exit(map_ra_retvalue(rc, op_type, NULL)); } static uniform_ret_execra_t map_ra_retvalue(int rc, const char * op_type, const char * std_output) { if(rc == st_err_unknown_device) { if ( 0 == STRNCMP_CONST(op_type, "stop") ) { rc = 0; } else if ( 0 == STRNCMP_CONST(op_type, "start") ) { rc = 5; } else { rc = 7; } } else if (rc < 0 || rc > EXECRA_STATUS_UNKNOWN) { crm_warn("Mapped the invalid return code %d.", rc); rc = EXECRA_UNKNOWN_ERROR; } return rc; } static int get_resource_list(GList ** rsc_info) { int file_num; char **entry = NULL; char **type_list = NULL; struct dirent **namelist; if ( rsc_info == NULL ) { crm_err("Parameter error: get_resource_list"); return -2; } /* Include Heartbeat agents */ type_list = stonith_types(); for(entry = type_list; *entry; ++entry) { crm_debug("Added: %s", *entry); *rsc_info = g_list_append(*rsc_info, *entry); } /* Include Red Hat agents, basically: ls -1 @sbin_dir@/fence_* */ file_num = scandir(RH_STONITH_DIR, &namelist, 0, alphasort); if (file_num > 0) { struct stat prop; char buffer[FILENAME_MAX+1]; while (file_num--) { if ('.' == namelist[file_num]->d_name[0]) { free(namelist[file_num]); continue; } else if(0 != strncmp(RH_STONITH_PREFIX, namelist[file_num]->d_name, strlen(RH_STONITH_PREFIX))) { free(namelist[file_num]); continue; } snprintf(buffer,FILENAME_MAX,"%s/%s", RH_STONITH_DIR, namelist[file_num]->d_name); if(stat(buffer, &prop) == 0 && S_ISREG(prop.st_mode)) { *rsc_info = g_list_append(*rsc_info, g_strdup(namelist[file_num]->d_name)); } free(namelist[file_num]); } free(namelist); } return 0; } static int get_provider_list(const char* op_type, GList ** providers) { if(providers == NULL) { return -1; } if(op_type == NULL) { *providers = g_list_append(*providers, g_strdup("redhat")); *providers = g_list_append(*providers, g_strdup("heartbeat")); return 2; } else { const char *provider = get_stonith_provider(op_type, NULL); if(provider) { *providers = g_list_append(*providers, g_strdup(provider)); return 1; } } return 0; } static char * get_resource_meta(const char* rsc_type, const char* provider) { char *buffer = NULL; stonith_t *stonith_api = stonith_api_new(); stonith_api->cmds->metadata( stonith_api, st_opt_sync_call, rsc_type, provider, &buffer, 0); stonith_api_delete(stonith_api); crm_debug("stonithRA plugin: got metadata: %s", buffer); /* TODO: Convert to XML and ensure our standard actions exist */ return buffer; }