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diff --git a/fencing/admin.c b/fencing/admin.c
index c580e60aa1..d78195f09b 100644
--- a/fencing/admin.c
+++ b/fencing/admin.c
@@ -1,379 +1,379 @@
/*
* Copyright (C) 2009 Andrew Beekhof <andrew@beekhof.net>
*
* 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 <crm_internal.h>
#include <sys/param.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/utsname.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/ipc.h>
#include <crm/cluster/internal.h>
#include <crm/stonith-ng.h>
#include <crm/cib.h>
#include <crm/pengine/status.h>
#include <crm/common/xml.h>
/* *INDENT-OFF* */
static struct crm_option long_options[] = {
{"help", 0, 0, '?', "\tThis text"},
{"version", 0, 0, '$', "\tVersion information" },
{"verbose", 0, 0, 'V', "\tIncrease debug output"},
{"quiet", 0, 0, 'q', "\tPrint only essential output"},
{"-spacer-", 0, 0, '-', "Commands:"},
{"list", 1, 0, 'l', "List devices that can terminate the specified host"},
{"list-registered", 0, 0, 'L', "List all registered devices"},
{"list-installed", 0, 0, 'I', "List all installed devices"},
{"-spacer-", 0, 0, '-', ""},
{"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"},
{"reboot", 1, 0, 'B', "Reboot the named host"},
{"confirm", 1, 0, 'C', "Confirm the named host is now safely down"},
{"history", 1, 0, 'H', "Retrieve last fencing operation"},
{"-spacer-", 0, 0, '-', ""},
{"register", 1, 0, 'R', "Register the named stonith device. Requires: --agent, optional: --option"},
{"deregister", 1, 0, 'D', "De-register the named stonith device"},
{"register-level", 1, 0, 'r', "Register a stonith level for the named host. Requires: --index, one or more --device entries"},
{"deregister-level", 1, 0, 'd', "De-register a stonith level for the named host. Requires: --index"},
{"-spacer-", 0, 0, '-', ""},
{"-spacer-", 0, 0, '-', "Options and modifiers:"},
{"agent", 1, 0, 'a', "The agent (eg. fence_xvm) to instantiate when calling with --register"},
{"env-option", 1, 0, 'e'},
{"option", 1, 0, 'o'},
{"device", 1, 0, 'v', "A device to associate with a given host and stonith level"},
{"index", 1, 0, 'i', "The stonith level (1-9)"},
{"timeout", 1, 0, 't', "Operation timeout in seconds"},
{"list-all", 0, 0, 'L', "legacy alias for --list-registered"},
{0, 0, 0, 0}
};
/* *INDENT-ON* */
int st_opts = st_opt_sync_call;
int
main(int argc, char ** argv)
{
int flag;
int rc = 0;
int quiet = 0;
int verbose = 0;
int argerr = 0;
int timeout = 120;
int option_index = 0;
int fence_level = 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;
stonith_key_value_t *params = NULL;
stonith_key_value_t *devices = NULL;
stonith_key_value_t *dIter = NULL;
crm_log_init(NULL, LOG_NOTICE, FALSE, FALSE, argc, argv, FALSE);
crm_set_options(NULL, "mode [options]", long_options,
"Provides access to the stonith-ng API.\n"
"\nAllows the administrator to add/remove/list devices, check device and host status and fence hosts\n");
while (1) {
flag = crm_get_option(argc, argv, &option_index);
if (flag == -1)
break;
switch(flag) {
case 'V':
verbose = 1;
crm_bump_log_level();
break;
case '$':
case '?':
crm_help(flag, EX_OK);
break;
case 'L':
case 'I':
action = flag;
break;
case 'q':
quiet = 1;
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 't':
timeout = crm_atoi(optarg, NULL);
break;
case 'B':
case 'F':
case 'U':
case 'C':
case 'H':
case 'r':
case 'd':
target = optarg;
action = flag;
break;
case 'i':
fence_level = crm_atoi(optarg, NULL);
break;
case 'v':
devices = stonith_key_value_add(devices, NULL, optarg);
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);
params = stonith_key_value_add(params, name, 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);
params = stonith_key_value_add( params, optarg, env);
}
}
break;
default:
++argerr;
break;
}
}
if (optind > argc) {
++argerr;
}
if (argerr) {
crm_help('?', EX_USAGE);
}
crm_debug("Create");
st = stonith_api_new();
if(action != 'M' && action != 'I') {
rc = st->cmds->connect(st, crm_system_name, NULL);
crm_debug("Connect: %d", rc);
if(rc < 0) {
goto done;
}
}
switch(action) {
case 'I':
- rc = st->cmds->list(st, st_opt_sync_call, NULL, &devices, timeout);
+ rc = st->cmds->list_agents(st, st_opt_sync_call, NULL, &devices, timeout);
for(dIter = devices; dIter; dIter = dIter->next ) {
fprintf( stdout, " %s\n", dIter->value );
}
if(rc == 0) {
fprintf(stderr, "No devices found\n");
} else if(rc > 0) {
fprintf(stderr, "%d devices found\n", rc);
rc = 0;
}
stonith_key_value_freeall(devices, 1, 1);
break;
case 'L':
rc = st->cmds->query(st, st_opts, target, &devices, timeout);
for(dIter = devices; dIter; dIter = dIter->next ) {
fprintf( stdout, " %s\n", dIter->value );
}
if(rc == 0) {
fprintf(stderr, "No devices found\n");
} else if(rc > 0) {
fprintf(stderr, "%d devices found\n", rc);
rc = 0;
}
stonith_key_value_freeall(devices, 1, 1);
break;
case 'Q':
- rc = st->cmds->call(st, st_opts, device, "monitor", NULL, timeout);
+ rc = st->cmds->monitor(st, st_opts, device, timeout);
if(rc < 0) {
- rc = st->cmds->call(st, st_opts, device, "list", NULL, timeout);
+ rc = st->cmds->list(st, st_opts, device, NULL, timeout);
}
break;
case 'R':
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 'r':
rc = st->cmds->register_level(st, st_opts, target, fence_level, devices);
break;
case 'd':
rc = st->cmds->remove_level(st, st_opts, target, fence_level);
break;
case 'M':
if (agent == NULL) {
printf("Please specify an agent to query using -a,--agent [value]\n");
return -1;
} else {
char *buffer = NULL;
rc = st->cmds->metadata(st, st_opt_sync_call, agent, NULL, &buffer, timeout);
if(rc == pcmk_ok) {
printf("%s\n", buffer);
}
free(buffer);
}
break;
case 'C':
rc = st->cmds->confirm(st, st_opts, target);
break;
case 'B':
rc = st->cmds->fence(st, st_opts, target, "reboot", timeout);
break;
case 'F':
rc = st->cmds->fence(st, st_opts, target, "off", timeout);
break;
case 'U':
rc = st->cmds->fence(st, st_opts, target, "on", timeout);
break;
case 'H':
{
stonith_history_t *history, *hp, *latest = NULL;
rc = st->cmds->history(st, st_opts, target, &history, timeout);
for(hp = history; hp; hp = hp->next) {
char *action_s = NULL;
time_t complete = hp->completed;
if(hp->state == st_done) {
latest = hp;
}
if(quiet || !verbose) {
continue;
} else if(hp->action == NULL) {
action_s = strdup("unknown");
} else if(hp->action[0] != 'r') {
action_s = crm_concat("turn", hp->action, ' ');
} else {
action_s = strdup(hp->action);
}
if(hp->state == st_failed) {
printf("%s failed to %s node %s on behalf of %s at %s\n",
hp->delegate?hp->delegate:"We", action_s, hp->target, hp->origin,
ctime(&complete));
} else if(hp->state == st_done && hp->delegate) {
printf("%s was able to %s node %s on behalf of %s at %s\n",
hp->delegate, action_s, hp->target, hp->origin, ctime(&complete));
} else if(hp->state == st_done) {
printf("We were able to %s node %s on behalf of %s at %s\n",
action_s, hp->target, hp->origin, ctime(&complete));
} else {
printf("%s wishes to %s node %s - %d %d\n",
hp->origin, action_s, hp->target, hp->state, hp->completed);
}
free(action_s);
}
if(latest) {
if(quiet) {
printf("%d\n", latest->completed);
} else {
char *action_s = NULL;
time_t complete = latest->completed;
if(latest->action == NULL) {
action_s = strdup("unknown");
} else if(latest->action[0] != 'r') {
action_s = crm_concat("turn", latest->action, ' ');
} else {
action_s = strdup(latest->action);
}
printf("%s was able to %s node %s on behalf of %s at %s\n",
latest->delegate?latest->delegate:"We", action_s, latest->target,
latest->origin, ctime(&complete));
free(action_s);
}
}
break;
} /* closing bracket for -H case */
} /* closing bracket for switch case */
done:
if(rc < 0) {
printf("Command failed: %s\n", pcmk_strerror(rc));
}
stonith_key_value_freeall(params, 1, 1);
st->cmds->disconnect(st);
crm_debug("Disconnect: %d", rc);
crm_debug("Destroy");
stonith_api_delete(st);
return rc;
}
diff --git a/fencing/test.c b/fencing/test.c
index c82fed8bcb..386999c26a 100644
--- a/fencing/test.c
+++ b/fencing/test.c
@@ -1,207 +1,208 @@
/*
* Copyright (C) 2009 Andrew Beekhof <andrew@beekhof.net>
*
* 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 <crm_internal.h>
#include <sys/param.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/utsname.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/ipc.h>
#include <crm/cluster/internal.h>
#include <crm/stonith-ng.h>
#include <crm/fencing/internal.h>
#include <crm/common/xml.h>
/* *INDENT-OFF* */
static struct crm_option long_options[] = {
{"verbose", 0, 0, 'V'},
{"version", 0, 0, '$'},
{"help", 0, 0, '?'},
{"passive", 0, 0, 'p'},
{0, 0, 0, 0}
};
/* *INDENT-ON* */
int st_opts = st_opt_sync_call;
static void st_callback(stonith_t *st, stonith_event_t *e)
{
if(st->state == stonith_disconnected) {
exit(1);
}
crm_notice("Operation %s requested by %s %s for peer %s. %s reported: %s (ref=%s)",
e->operation, e->origin, e->result == pcmk_ok?"completed":"failed",
e->target, e->executioner ? e->executioner : "<none>",
pcmk_strerror(e->result), e->id);
}
static void
st_global_callback(stonith_t * stonith, const xmlNode * msg, int call_id, int rc,
xmlNode * output, void *userdata)
{
crm_log_xml_notice((xmlNode*)msg, "Event");
}
int
main(int argc, char ** argv)
{
int argerr = 0;
int flag;
int option_index = 0;
int rc = 0;
+ char *tmp = NULL;
struct pollfd pollfd;
stonith_t *st = NULL;
stonith_key_value_t *params = NULL;
gboolean passive_mode = FALSE;
crm_log_cli_init("stonith-test");
crm_set_options(NULL, "mode [options]", long_options,
"Provides a summary of cluster's current state."
"\n\nOutputs varying levels of detail in a number of different formats.\n");
params = stonith_key_value_add(params, "pcmk_host_map", "some-host=pcmk-7 pcmk-3=3,4");
while (1) {
flag = crm_get_option(argc, argv, &option_index);
if (flag == -1)
break;
switch(flag) {
case 'V':
crm_bump_log_level();
break;
case '$':
case '?':
crm_help(flag, EX_OK);
break;
case 'p':
passive_mode = TRUE;
break;
default:
++argerr;
break;
}
}
if (optind > argc) {
++argerr;
}
if (argerr) {
crm_help('?', EX_USAGE);
}
crm_debug("Create");
st = stonith_api_new();
rc = st->cmds->connect(st, crm_system_name, &pollfd.fd);
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, T_STONITH_NOTIFY_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);
st->cmds->register_callback(st, 0, 120, FALSE, NULL, "st_global_callback", st_global_callback);
crm_info("Looking for notification");
pollfd.events = POLLIN;
while(true) {
rc = poll( &pollfd, 1, 600 * 1000 ); /* wait 10 minutes, -1 forever */
if (rc > 0 )
stonith_dispatch( st );
else
break;
}
} else {
rc = st->cmds->register_device(st, st_opts, "test-id", "stonith-ng", "fence_xvm", 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->list(st, st_opts, "test-id", &tmp, 10);
+ crm_debug("List: %d output: %s\n", rc, tmp ? tmp : "<none>");
- rc = st->cmds->call(st, st_opts, "test-id", "monitor", NULL, 10);
+ rc = st->cmds->monitor(st, st_opts, "test-id", 10);
crm_debug("Monitor: %d", rc);
- rc = st->cmds->call(st, st_opts, "test-id", "status", "pcmk-2", 10);
+ rc = st->cmds->status(st, st_opts, "test-id", "pcmk-2", 10);
crm_debug("Status pcmk-2: %d", rc);
- rc = st->cmds->call(st, st_opts, "test-id", "status", "pcmk-1", 10);
+ rc = st->cmds->status(st, st_opts, "test-id", "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);
+ rc = st->cmds->status(st, st_opts, "test-id", "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);
+ rc = st->cmds->status(st, st_opts, "test-id", "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);
+ rc = st->cmds->status(st, st_opts, "test-id", "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);
+ rc = st->cmds->status(st, st_opts, "test-id", "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);
}
stonith_key_value_freeall(params, 1, 1);
rc = st->cmds->disconnect(st);
crm_debug("Disconnect: %d", rc);
crm_debug("Destroy");
stonith_api_delete(st);
return rc;
}
diff --git a/include/crm/stonith-ng.h b/include/crm/stonith-ng.h
index 013097fa5f..d1e0d6b992 100644
--- a/include/crm/stonith-ng.h
+++ b/include/crm/stonith-ng.h
@@ -1,255 +1,381 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* 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 <dlfcn.h>
# include <stdbool.h>
/* TO-DO: Work out how to drop this requirement */
# include <libxml/tree.h>
#define T_STONITH_NOTIFY_DISCONNECT "st_notify_disconnect"
#define T_STONITH_NOTIFY_FENCE "st_notify_fence"
/* *INDENT-OFF* */
enum stonith_state {
stonith_connected_command,
stonith_connected_query,
stonith_disconnected,
};
enum stonith_call_options {
st_opt_none = 0x00000000,
st_opt_verbose = 0x00000001,
st_opt_allow_suicide = 0x00000002,
st_opt_manual_ack = 0x00000008,
st_opt_discard_reply = 0x00000010,
st_opt_all_replies = 0x00000020,
st_opt_topology = 0x00000040,
st_opt_scope_local = 0x00000100,
st_opt_cs_nodeid = 0x00000200,
st_opt_sync_call = 0x00001000,
};
#define stonith_default_options = stonith_none
enum op_state
{
st_query,
st_exec,
st_done,
st_failed,
};
typedef struct stonith_key_value_s {
char *key;
char *value;
struct stonith_key_value_s *next;
} stonith_key_value_t;
typedef struct stonith_history_s {
char *target;
char *action;
char *origin;
char *delegate;
int completed;
int state;
struct stonith_history_s *next;
} stonith_history_t;
typedef struct stonith_s stonith_t;
typedef struct stonith_event_s
{
char *id;
char *type;
char *message;
char *operation;
int result;
char *origin;
char *target;
char *executioner;
char *device;
} stonith_event_t;
typedef struct stonith_api_operations_s
{
+ /*!
+ * \brief Destroy the stonith api structure.
+ */
int (*free) (stonith_t *st);
+
+ /*!
+ * \brief Connect to the local stonith daemon.
+ *
+ * \retval 0, success
+ * \retval negative error code on failure
+ */
int (*connect) (stonith_t *st, const char *name, int *stonith_fd);
+
+ /*!
+ * \brief Disconnect from the local stonith daemon.
+ *
+ * \retval 0, success
+ * \retval negative error code on failure
+ */
int (*disconnect)(stonith_t *st);
+ /*!
+ * \brief Remove a registered stonith device with the local stonith daemon.
+ *
+ * \note Synchronous, guaranteed to occur in daemon before function returns.
+ *
+ * \retval 0, success
+ * \retval negative error code on failure
+ */
int (*remove_device)(
stonith_t *st, int options, const char *name);
+
+ /*!
+ * \brief Register a stonith device with the local stonith daemon.
+ *
+ * \note Synchronous, guaranteed to occur in daemon before function returns.
+ *
+ * \retval 0, success
+ * \retval negative error code on failure
+ */
int (*register_device)(
stonith_t *st, int options, const char *id,
const char *namespace, const char *agent, stonith_key_value_t *params);
+ /*!
+ * \brief Remove a fencing level for a specific node.
+ *
+ * \note This feature is not available when stonith is in standalone mode.
+ *
+ * \retval 0, success
+ * \retval negative error code on failure
+ */
int (*remove_level)(
stonith_t *st, int options, const char *node, int level);
+
+ /*!
+ * \brief Register a fencing level containing the fencing devices to be used
+ * at that level for a specific node.
+ *
+ * \note This feature is not available when stonith is in standalone mode.
+ *
+ * \retval 0, success
+ * \retval negative error code on failure
+ */
int (*register_level)(
stonith_t *st, int options, const char *node, int level, stonith_key_value_t *device_list);
+ /*!
+ * \brief Get the metadata documentation for a resource.
+ *
+ * \note Value is returned in output. Output must be freed when set.
+ *
+ * \retval 0 success
+ * \retval negative error code on failure
+ */
int (*metadata)(stonith_t *st, int options,
const char *device, const char *namespace, char **output, int timeout);
- int (*list)(stonith_t *stonith, int call_options, const char *namespace,
- stonith_key_value_t **devices, int timeout);
- int (*call)(stonith_t *st, int options, const char *id,
- const char *action, const char *port, int timeout);
+ /*!
+ * \brief Retrieve a list of installed stonith agents
+ *
+ * \note if namespace is not provided, all known agents will be returned
+ * \note list must be freed using stonith_key_value_freeall()
+ * \note call_options parameter is not used, it is reserved for future use.
+ *
+ * \retval num items in list on success
+ * \retval negative error code on failure
+ */
+ int (*list_agents)(stonith_t *stonith, int call_options, const char *namespace,
+ stonith_key_value_t **devices, int timeout);
+ /*!
+ * \brief Retrieve string listing hosts and port assignments from a local stonith device.
+ *
+ * \retval 0 on success
+ * \retval negative error code on failure
+ */
+ int (*list)(stonith_t *st, int options, const char *id, char **list_output, int timeout);
+
+ /*!
+ * \brief Check to see if a local stonith device is reachable
+ *
+ * \retval 0 on success
+ * \retval negative error code on failure
+ */
+ int (*monitor)(stonith_t *st, int options, const char *id, int timeout);
+
+ /*!
+ * \brief Check to see if a local stonith device's port is reachable
+ *
+ * \retval 0 on success
+ * \retval negative error code on failure
+ */
+ int (*status)(stonith_t *st, int options, const char *id, const char *port, int timeout);
+
+ /*!
+ * \brief Retrieve a list of registered stonith devices.
+ *
+ * \note If node is provided, only devices that can fence the node id
+ * will be returned.
+ *
+ * \retval num items in list on success
+ * \retval negative error code on failure
+ */
int (*query)(stonith_t *st, int options, const char *node,
stonith_key_value_t **devices, int timeout);
+
+ /*!
+ * \brief Issue a fencing action against a node.
+ *
+ * \note Possible actions are, 'on', 'off', and 'reboot'.
+ *
+ * \retval 0 success
+ * \retval negative error code on failure.
+ */
int (*fence)(stonith_t *st, int options, const char *node, const char *action,
int timeout);
+
+ /*!
+ * \brief Manually confirm that a node is down.
+ *
+ * \retval 0 success
+ * \retval negative error code on failure.
+ */
int (*confirm)(stonith_t *st, int options, const char *node);
+
+ /*!
+ * \brief Retrieve a list of fencing operations that have occurred for a specific node.
+ *
+ * \note History is not available in standalone mode.
+ *
+ * \retval 0 success
+ * \retval negative error code on failure.
+ */
int (*history)(stonith_t *st, int options, const char *node, stonith_history_t **output, int timeout);
int (*register_notification)(
stonith_t *st, const char *event,
void (*notify)(stonith_t *st, stonith_event_t *e));
int (*remove_notification)(stonith_t *st, const char *event);
int (*register_callback)(
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, bool all_callbacks);
} stonith_api_operations_t;
struct stonith_s
{
enum stonith_state state;
int call_id;
int call_timeout;
void *private;
stonith_api_operations_t *cmds;
};
/* *INDENT-ON* */
/* Core functions */
stonith_t *stonith_api_new(void);
void stonith_api_delete(stonith_t * st);
void stonith_dump_pending_callbacks(stonith_t * st);
const char *get_stonith_provider(const char *agent, const char *provider);
bool stonith_dispatch(stonith_t * st);
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, int keys, int values);
/* Basic helpers that allows nodes to be fenced and the history to be
* queried without mainloop or the caller understanding the full API
*
* At least one of nodeid and uname are required
*/
int stonith_api_kick(int nodeid, const char *uname, int timeout, bool off);
time_t stonith_api_time(int nodeid, const char *uname, bool in_progress);
/*
* Helpers for using the above functions without install-time dependancies
*
* Usage:
* #include <crm/stonith-ng.h>
*
* To turn a node off by corosync nodeid:
* stonith_api_kick_helper(nodeid, 120, 1);
*
* To check the last fence date/time (also by nodeid):
* last = stonith_api_time_helper(nodeid, 0);
*
* To check if fencing is in progress:
* if(stonith_api_time_helper(nodeid, 1) > 0) { ... }
*
* eg.
#include <stdio.h>
#include <time.h>
#include <crm/stonith-ng.h>
int
main(int argc, char ** argv)
{
int rc = 0;
int nodeid = 102;
rc = stonith_api_time_helper(nodeid, 0);
printf("%d last fenced at %s\n", nodeid, ctime(rc));
rc = stonith_api_kick_helper(nodeid, 120, 1);
printf("%d fence result: %d\n", nodeid, rc);
rc = stonith_api_time_helper(nodeid, 0);
printf("%d last fenced at %s\n", nodeid, ctime(rc));
return 0;
}
*/
# define STONITH_LIBRARY "libstonithd.so.1"
static inline int
stonith_api_kick_helper(int nodeid, int timeout, bool off)
{
static void *st_library = NULL;
static int (*st_kick_fn) (int nodeid, const char *uname, int timeout, bool off) = NULL;
if (st_library == NULL) {
st_library = dlopen(STONITH_LIBRARY, RTLD_LAZY);
}
if (st_library && st_kick_fn == NULL) {
st_kick_fn = dlsym(st_library, "stonith_api_kick");
}
if (st_kick_fn == NULL) {
return -ELIBACC;
}
return (*st_kick_fn) (nodeid, NULL, timeout, off);
}
static inline time_t
stonith_api_time_helper(int nodeid, bool in_progress)
{
static void *st_library = NULL;
static time_t(*st_time_fn) (int nodeid, const char *uname, bool in_progress) = NULL;
if (st_library == NULL) {
st_library = dlopen(STONITH_LIBRARY, RTLD_LAZY);
}
if (st_library && st_time_fn == NULL) {
st_time_fn = dlsym(st_library, "stonith_api_time");
}
if (st_time_fn == NULL) {
return 0;
}
return (*st_time_fn) (nodeid, NULL, in_progress);
}
#endif
diff --git a/lib/fencing/st_client.c b/lib/fencing/st_client.c
index 254c7cf659..833e1e7c17 100644
--- a/lib/fencing/st_client.c
+++ b/lib/fencing/st_client.c
@@ -1,1964 +1,2008 @@
/*
* Copyright (c) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* 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 <crm_internal.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <glib.h>
#include <dirent.h>
#include <libgen.h> /* Add it for compiling on OSX */
#include <crm/crm.h>
#include <crm/stonith-ng.h>
#include <crm/fencing/internal.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#ifdef HAVE_STONITH_STONITH_H
# include <stonith/stonith.h>
# define LHA_STONITH_LIBRARY "libstonith.so.1"
static void *lha_agents_lib = NULL;
#endif
#include <crm/common/mainloop.h>
CRM_TRACE_INIT_DATA(stonith);
typedef struct stonith_private_s {
char *token;
crm_ipc_t *ipc;
mainloop_io_t *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, stonith_event_t *e);
} 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 int (*stonith_op_t) (const char *, int, const char *, xmlNode *,
xmlNode *, xmlNode *, xmlNode **, xmlNode **);
static const char META_TEMPLATE[] =
"<?xml version=\"1.0\"?>\n"
"<!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n"
"<resource-agent name=\"%s\">\n"
" <version>1.0</version>\n"
" <longdesc lang=\"en\">\n"
"%s\n"
" </longdesc>\n"
" <shortdesc lang=\"en\">%s</shortdesc>\n"
"%s\n"
" <actions>\n"
" <action name=\"start\" timeout=\"20\" />\n"
" <action name=\"stop\" timeout=\"15\" />\n"
" <action name=\"status\" timeout=\"20\" />\n"
" <action name=\"monitor\" timeout=\"20\" interval=\"3600\"/>\n"
" <action name=\"meta-data\" timeout=\"15\" />\n"
" </actions>\n"
" <special tag=\"heartbeat\">\n"
" <version>2.0</version>\n" " </special>\n" "</resource-agent>\n";
bool stonith_dispatch(stonith_t * st);
int stonith_dispatch_internal(const char *buffer, ssize_t length, gpointer userdata);
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);
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;
crm_trace("Sending destroyed notification");
blob.stonith = stonith;
blob.xml = create_xml_node(NULL, "notify");
native = stonith->private;
native->ipc = NULL;
native->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(native->notify_list, stonith_send_notification, &blob);
free_xml(blob.xml);
}
xmlNode *
create_device_registration_xml(const char *id, const char *namespace, const char *agent,
stonith_key_value_t * params)
{
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);
for (; params; params = params->next) {
hash2field((gpointer) params->key, (gpointer) params->value, args);
}
return data;
}
static int
stonith_api_register_device(stonith_t * st, int call_options,
const char *id, const char *namespace, const char *agent,
stonith_key_value_t * params)
{
int rc = 0;
xmlNode *data = create_device_registration_xml(id, namespace, agent, params);
rc = stonith_send_command(st, STONITH_OP_DEVICE_ADD, data, NULL, call_options, 0);
free_xml(data);
return rc;
}
static int
stonith_api_remove_device(stonith_t * st, 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(st, STONITH_OP_DEVICE_DEL, data, NULL, call_options, 0);
free_xml(data);
return rc;
}
static int
stonith_api_remove_level(stonith_t * st, int options, const char *node, int level)
{
int rc = 0;
xmlNode *data = NULL;
data = create_xml_node(NULL, F_STONITH_LEVEL);
crm_xml_add(data, "origin", __FUNCTION__);
crm_xml_add(data, F_STONITH_TARGET, node);
crm_xml_add_int(data, XML_ATTR_ID, level);
rc = stonith_send_command(st, STONITH_OP_LEVEL_DEL, data, NULL, options, 0);
free_xml(data);
return rc;
}
xmlNode *
create_level_registration_xml(const char *node, int level, stonith_key_value_t * device_list)
{
xmlNode *data = create_xml_node(NULL, F_STONITH_LEVEL);
crm_xml_add_int(data, XML_ATTR_ID, level);
crm_xml_add(data, F_STONITH_TARGET, node);
crm_xml_add(data, "origin", __FUNCTION__);
for (; device_list; device_list = device_list->next) {
xmlNode *dev = create_xml_node(data, F_STONITH_DEVICE);
crm_xml_add(dev, XML_ATTR_ID, device_list->value);
}
return data;
}
static int
stonith_api_register_level(stonith_t * st, int options, const char *node, int level,
stonith_key_value_t * device_list)
{
int rc = 0;
xmlNode *data = create_level_registration_xml(node, level, device_list);
rc = stonith_send_command(st, STONITH_OP_LEVEL_ADD, data, NULL, 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);
}
*args = realloc(*args, last + len);
crm_trace("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 = strdup(key);
char *glib_sucks_value = strdup(value);
append_arg(glib_sucks_key, glib_sucks_value, arg_list);
free(glib_sucks_value);
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] == ':') {
free(name);
name = calloc(1, 1 + lpc - last);
memcpy(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;
param = calloc(1, 1 + lpc - last);
memcpy(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);
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);
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);
}
free(name);
name = NULL;
free(param);
if (map[lpc] == 0) {
break;
}
} else if (isspace(map[lpc])) {
last = lpc;
}
}
free(name);
}
static char *
make_args(const char *action, const char *victim, GHashTable * device_args, GHashTable * port_map)
{
char buffer[512];
char *arg_list = NULL;
const char *value = NULL;
CRM_CHECK(action != NULL, return NULL);
if (device_args) {
g_hash_table_foreach(device_args, append_arg, &arg_list);
}
buffer[511] = 0;
snprintf(buffer, 511, "pcmk_%s_action", action);
if (device_args) {
value = g_hash_table_lookup(device_args, buffer);
}
if (value == NULL && device_args) {
/* Legacy support for early 1.1 releases - Remove for 1.2 */
snprintf(buffer, 511, "pcmk_%s_cmd", action);
value = g_hash_table_lookup(device_args, 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 && device_args) {
const char *alias = victim;
const char *param = g_hash_table_lookup(device_args, STONITH_ATTR_HOSTARG);
if (port_map && g_hash_table_lookup(port_map, victim)) {
alias = g_hash_table_lookup(port_map, victim);
}
/* Always supply the node's name too:
* https://fedorahosted.org/cluster/wiki/FenceAgentAPI
*/
append_const_arg("nodename", victim, &arg_list);
/* Check if we need to supply the victim in any other form */
if (param == NULL) {
const char *map = g_hash_table_lookup(device_args, STONITH_ATTR_ARGMAP);
if (map == NULL) {
param = "port";
value = g_hash_table_lookup(device_args, param);
} else {
/* Legacy handling */
append_host_specific_args(alias, map, device_args, &arg_list);
value = map; /* Nothing more to do */
}
} else if (safe_str_eq(param, "none")) {
value = param; /* Nothing more to do */
} else {
value = g_hash_table_lookup(device_args, param);
}
/* Don't overwrite explictly set values for $param */
if (value == NULL || safe_str_eq(value, "dynamic")) {
crm_debug("Performing %s action for node '%s' as '%s=%s'", action, victim, param,
alias);
append_const_arg(param, alias, &arg_list);
}
}
crm_trace("Calculated: %s", arg_list);
return arg_list;
}
static gboolean
st_child_term(gpointer data)
{
int rc = 0;
async_command_t * track = data;
crm_info("Child %d timed out, sending SIGTERM", track->pid);
track->timer_sigterm = 0;
rc = kill(track->pid, SIGTERM);
if(rc < 0) {
crm_perror(LOG_ERR, "Couldn't send SIGTERM to %d", track->pid);
}
return FALSE;
}
static gboolean
st_child_kill(gpointer data)
{
int rc = 0;
async_command_t * track = data;
crm_info("Child %d timed out, sending SIGKILL", track->pid);
track->timer_sigkill = 0;
rc = kill(track->pid, SIGKILL);
if(rc < 0) {
crm_perror(LOG_ERR, "Couldn't send SIGKILL to %d", track->pid);
}
return FALSE;
}
/* Borrowed from libfence and extended */
int
run_stonith_agent(const char *agent, const char *action, const char *victim,
GHashTable * device_args, GHashTable * port_map, int *agent_result, char **output,
async_command_t * track)
{
char *args = make_args(action, victim, device_args, port_map);
int pid, status, len, rc = -EPROTO;
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) {
rc = -ECHILD;
goto fail;
}
if (pid) {
/* parent */
int ret;
int total = 0;
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 + total, len - total);
if (ret > 0) {
total += ret;
}
} while (errno == EINTR && total < len);
if (total != len) {
crm_perror(LOG_ERR, "Sent %d not %d bytes", total, len);
if (ret >= 0) {
rc = -EREMOTEIO;
}
goto fail;
}
close(p_write_fd);
if (track && track->done) {
track->stdout = p_read_fd;
g_child_watch_add(pid, track->done, track);
crm_trace("Op: %s on %s, pid: %d, timeout: %ds", action, agent, pid, track->timeout);
if (track->timeout) {
track->pid = pid;
track->timer_sigterm = g_timeout_add(1000*track->timeout, st_child_term, track);
track->timer_sigkill = g_timeout_add(1000*(track->timeout+5), st_child_kill, track);
} else {
crm_err("No timeout set for stonith operation %s with device %s", action, agent);
}
close(c_write_fd);
close(c_read_fd);
free(args);
return pid;
} else {
pid_t p;
do {
p = waitpid(pid, &status, 0);
} while (p < 0 && errno == EINTR);
if (p < 0) {
crm_perror(LOG_ERR, "waitpid(%d)", pid);
} else if (p != pid) {
crm_err("Waited for %d, got %d", pid, p);
}
if (output != NULL) {
char *local_copy;
int lpc = 0, last = 0, more;
len = 0;
do {
char buf[500];
ret = read(p_read_fd, buf, 500);
if (ret > 0) {
buf[ret] = 0;
*output = realloc(*output, len + ret + 1);
sprintf((*output) + len, "%s", buf);
crm_trace("%d: %s", ret, (*output) + len);
len += ret;
}
} while (ret == 500 || (ret < 0 && errno == EINTR));
if (*output) {
local_copy = strdup(*output);
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: %s", agent, local_copy+last);
last = lpc+1;
}
}
crm_debug("%s: %s (total %d bytes)", agent, local_copy+last, more);
free(local_copy);
}
}
rc = -ECONNABORTED;
*agent_result = -ECONNABORTED;
if (WIFEXITED(status)) {
crm_debug("result = %d", WEXITSTATUS(status));
*agent_result = -WEXITSTATUS(status);
rc = 0;
} else if (WIFSIGNALED(status)) {
crm_err("call %s for %s exited due to signal %d", action, agent, WTERMSIG(status));
} else {
crm_err("call %s for %s exited abnormally. stopped=%d, continued=%d",
action, agent, WIFSTOPPED(status), WIFCONTINUED(status));
}
}
} else {
/* child */
close(1);
/* coverity[leaked_handle] False positive */
if (dup(c_write_fd) < 0)
goto fail;
close(2);
/* coverity[leaked_handle] False positive */
if (dup(c_write_fd) < 0)
goto fail;
close(0);
/* coverity[leaked_handle] False positive */
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:
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_list(stonith_t * stonith, int call_options, const char *namespace,
stonith_key_value_t ** devices, int timeout)
{
int count = 0;
if (devices == NULL) {
crm_err("Parameter error: stonith_api_device_list");
return -EFAULT;
}
/* Include Heartbeat agents */
if (namespace == NULL || safe_str_eq("heartbeat", namespace)) {
#if HAVE_STONITH_STONITH_H
static gboolean need_init = TRUE;
char **entry = NULL;
char **type_list = NULL;
static char **(*type_list_fn) (void) = NULL;
static void (*type_free_fn) (char **) = NULL;
if(need_init) {
need_init = FALSE;
type_list_fn = find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_types", FALSE);
type_free_fn = find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_free_hostlist", FALSE);
}
if(type_list_fn) {
type_list = (*type_list_fn)();
}
for (entry = type_list; entry != NULL && *entry; ++entry) {
crm_trace("Added: %s", *entry);
*devices = stonith_key_value_add(*devices, NULL, *entry);
count++;
}
if (type_list && type_free_fn) {
(*type_free_fn)(type_list);
}
#else
if(namespace != NULL) {
return -EINVAL; /* Heartbeat agents not supported */
}
#endif
}
/* Include Red Hat agents, basically: ls -1 @sbin_dir@/fence_* */
if (namespace == NULL || safe_str_eq("redhat", namespace)) {
struct dirent **namelist;
int 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)) {
*devices = stonith_key_value_add(*devices, NULL, namelist[file_num]->d_name);
count++;
}
free(namelist[file_num]);
}
free(namelist);
}
}
return count;
}
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;
char *buffer = NULL;
const char *provider = get_stonith_provider(agent, namespace);
crm_trace("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, "metadata", NULL, NULL, NULL, &rc, &buffer, NULL);
if (exec_rc < 0 || rc != 0 || buffer == NULL) {
crm_debug("Query failed: %d %d: %s", exec_rc, rc, crm_str(buffer));
free(buffer); /* Just in case */
return -EINVAL;
} else {
xmlNode *xml = string2xml(buffer);
xmlNode *actions = NULL;
xmlXPathObject *xpathObj = NULL;
xpathObj = xpath_search(xml, "//actions");
if (xpathObj && xpathObj->nodesetval->nodeNr > 0) {
actions = getXpathResult(xpathObj, 0);
}
/* Now fudge the metadata so that the start/stop actions appear */
xpathObj = xpath_search(xml, "//action[@name='stop']");
if (xpathObj == NULL || xpathObj->nodesetval->nodeNr <= 0) {
xmlNode *tmp = NULL;
tmp = create_xml_node(actions, "action");
crm_xml_add(tmp, "name", "stop");
crm_xml_add(tmp, "timeout", "20s");
tmp = create_xml_node(actions, "action");
crm_xml_add(tmp, "name", "start");
crm_xml_add(tmp, "timeout", "20s");
}
/* Now fudge the metadata so that the port isn't required in the configuration */
xpathObj = xpath_search(xml, "//parameter[@name='port']");
if (xpathObj && xpathObj->nodesetval->nodeNr > 0) {
/* We'll fill this in */
xmlNode *tmp = getXpathResult(xpathObj, 0);
crm_xml_add(tmp, "required", "0");
}
free(buffer);
buffer = dump_xml_formatted(xml);
free_xml(xml);
}
} else {
#if !HAVE_STONITH_STONITH_H
return -EINVAL; /* Heartbeat agents not supported */
#else
int bufferlen = 0;
char *xml_meta_longdesc = NULL;
char *xml_meta_shortdesc = NULL;
char *meta_param = NULL;
char *meta_longdesc = NULL;
char *meta_shortdesc = NULL;
static const char *no_parameter_info = "<!-- no value -->";
Stonith *stonith_obj = NULL;
static gboolean need_init = TRUE;
static Stonith *(*st_new_fn) (const char *) = NULL;
static const char *(*st_info_fn) (Stonith *, int) = NULL;
static void (*st_del_fn) (Stonith *) = NULL;
if(need_init) {
need_init = FALSE;
st_new_fn = find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_new", FALSE);
st_del_fn = find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_delete", FALSE);
st_info_fn = find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_get_info", FALSE);
}
if (lha_agents_lib && st_new_fn && st_del_fn && st_info_fn) {
stonith_obj = (*st_new_fn) (agent);
if(stonith_obj) {
meta_longdesc = strdup((*st_info_fn)(stonith_obj, ST_DEVICEDESCR));
if (meta_longdesc == NULL) {
crm_warn("no long description in %s's metadata.", agent);
meta_longdesc = strdup(no_parameter_info);
}
meta_shortdesc = strdup((*st_info_fn)(stonith_obj, ST_DEVICEID));
if (meta_shortdesc == NULL) {
crm_warn("no short description in %s's metadata.", agent);
meta_shortdesc = strdup(no_parameter_info);
}
meta_param = strdup((*st_info_fn)(stonith_obj, ST_CONF_XML));
if (meta_param == NULL) {
crm_warn("no list of parameters in %s's metadata.", agent);
meta_param = strdup(no_parameter_info);
}
(*st_del_fn)(stonith_obj);
} else {
return -EINVAL; /* Heartbeat agents not supported */
}
}
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;
buffer = calloc(1, bufferlen);
snprintf(buffer, bufferlen - 1, META_TEMPLATE,
agent, xml_meta_longdesc, xml_meta_shortdesc, meta_param);
xmlFree(xml_meta_longdesc);
xmlFree(xml_meta_shortdesc);
free(meta_shortdesc);
free(meta_longdesc);
free(meta_param);
#endif
}
if (output) {
*output = buffer;
} else {
free(buffer);
}
return rc;
}
static int
stonith_api_query(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_CHECK(devices != NULL, return -EINVAL);
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 = stonith_key_value_add(*devices, NULL, crm_element_value(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)
+stonith_api_call(stonith_t * stonith,
+ int call_options,
+ const char *id,
+ const char *action,
+ const char *victim,
+ int timeout,
+ xmlNode **output)
{
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);
+ rc = stonith_send_command(stonith, STONITH_OP_EXEC, data, output, call_options, timeout);
free_xml(data);
return rc;
}
+static int
+stonith_api_list(stonith_t * stonith, int call_options, const char *id, char **list_info, int timeout)
+{
+ int rc;
+ xmlNode *output = NULL;
+
+ rc = stonith_api_call(stonith, call_options, id, "list", NULL, timeout, &output);
+
+ if (output && list_info) {
+ const char *list_str;
+
+ list_str = crm_element_value(output, "st_output");
+
+ if (list_str) {
+ *list_info = strdup(list_str);
+ }
+ }
+
+ if (output) {
+ free_xml(output);
+ }
+
+ return rc;
+}
+
+static int
+stonith_api_monitor(stonith_t * stonith, int call_options, const char *id, int timeout)
+{
+ return stonith_api_call(stonith, call_options, id, "monitor", NULL, timeout, NULL);
+}
+
+static int
+stonith_api_status(stonith_t * stonith, int call_options, const char *id, const char *port, int timeout)
+{
+ return stonith_api_call(stonith, call_options, id, "status", port, timeout, NULL);
+}
+
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;
}
static int
stonith_api_confirm(stonith_t * stonith, int call_options, const char *target)
{
return stonith_api_fence(stonith, call_options | st_opt_manual_ack, target, "off", 0);
}
static int
stonith_api_history(stonith_t * stonith, int call_options, const char *node,
stonith_history_t ** history, int timeout)
{
int rc = 0;
xmlNode *data = NULL;
xmlNode *output = NULL;
stonith_history_t *last = NULL;
*history = NULL;
if (node) {
data = create_xml_node(NULL, __FUNCTION__);
crm_xml_add(data, F_STONITH_TARGET, node);
}
rc = stonith_send_command(stonith, STONITH_OP_FENCE_HISTORY, data, &output,
call_options | st_opt_sync_call, timeout);
free_xml(data);
if (rc == 0) {
xmlNode *op = NULL;
xmlNode *reply = get_xpath_object("//" F_STONITH_HISTORY_LIST, output, LOG_ERR);
for (op = __xml_first_child(reply); op != NULL; op = __xml_next(op)) {
stonith_history_t *kvp;
kvp = calloc(1, sizeof(stonith_history_t));
kvp->target = crm_element_value_copy(op, F_STONITH_TARGET);
kvp->action = crm_element_value_copy(op, F_STONITH_ACTION);
kvp->origin = crm_element_value_copy(op, F_STONITH_ORIGIN);
kvp->delegate = crm_element_value_copy(op, F_STONITH_DELEGATE);
crm_element_value_int(op, F_STONITH_DATE, &kvp->completed);
crm_element_value_int(op, F_STONITH_STATE, &kvp->state);
if (last) {
last->next = kvp;
} else {
*history = kvp;
}
last = kvp;
}
}
return rc;
}
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";
#if HAVE_STONITH_STONITH_H
} else {
Stonith *stonith_obj = NULL;
static gboolean need_init = TRUE;
static Stonith *(*st_new_fn) (const char *) = NULL;
static void (*st_del_fn) (Stonith *) = NULL;
if(need_init) {
need_init = FALSE;
st_new_fn = find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_new", FALSE);
st_del_fn = find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_delete", FALSE);
}
if (lha_agents_lib && st_new_fn && st_del_fn) {
stonith_obj = (*st_new_fn) (agent);
if(stonith_obj) {
(*st_del_fn)(stonith_obj);
return "heartbeat";
}
}
#endif
}
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;
}
xmlNode *
stonith_create_op(int call_id, const char *token, const char *op, xmlNode * data, int call_options)
{
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_trace("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);
}
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);
}
free(blob->timer);
free(blob);
}
static int
stonith_api_signoff(stonith_t * stonith)
{
stonith_private_t *native = stonith->private;
crm_debug("Signing out of the STONITH Service");
if (native->ipc != NULL) {
/* If attached to mainloop and it is active, _close() will result in:
* - the source being removed from mainloop
* - the dnotify callback being invoked
* Otherwise, we are at least correctly disconnecting IPC
*/
crm_ipc_close(native->ipc);
crm_ipc_destroy(native->ipc);
native->source = NULL;
native->ipc = NULL;
}
stonith->state = stonith_disconnected;
return pcmk_ok;
}
static int
stonith_api_signon(stonith_t * stonith, const char *name, int *stonith_fd)
{
int rc = pcmk_ok;
stonith_private_t *native = stonith->private;
static struct ipc_client_callbacks st_callbacks =
{
.dispatch = stonith_dispatch_internal,
.destroy = stonith_connection_destroy
};
crm_trace("Connecting command channel");
stonith->state = stonith_connected_command;
if(stonith_fd) {
/* No mainloop */
native->ipc = crm_ipc_new("stonith-ng", 0);
if(native->ipc && crm_ipc_connect(native->ipc)) {
*stonith_fd = crm_ipc_get_fd(native->ipc);
} else if(native->ipc) {
rc = -ENOTCONN;
}
} else {
/* With mainloop */
native->source = mainloop_add_ipc_client("stonith-ng", 0, stonith, &st_callbacks);
native->ipc = mainloop_get_ipc_client(native->source);
}
if (native->ipc == NULL) {
crm_debug("Could not connect to the Stonith API");
rc = -ENOTCONN;
}
if (rc == pcmk_ok) {
xmlNode *reply = NULL;
xmlNode *hello = create_xml_node(NULL, "stonith_command");
crm_xml_add(hello, F_TYPE, T_STONITH_NG);
crm_xml_add(hello, F_STONITH_OPERATION, CRM_OP_REGISTER);
crm_xml_add(hello, F_STONITH_CLIENTNAME, name);
rc = crm_ipc_send(native->ipc, hello, &reply, -1);
if(rc < 0) {
crm_perror(LOG_DEBUG, "Couldn't complete registration with the fencing API: %d", rc);
rc = -ECOMM;
} else if(reply == NULL) {
crm_err("Did not receive registration reply");
rc = -EPROTO;
} else {
const char *msg_type = crm_element_value(reply, F_STONITH_OPERATION);
const char *tmp_ticket = crm_element_value(reply, F_STONITH_CLIENTID);
if (safe_str_neq(msg_type, CRM_OP_REGISTER)) {
crm_err("Invalid registration message: %s", msg_type);
crm_log_xml_err(reply, "Bad reply");
rc = -EPROTO;
} else if (tmp_ticket == NULL) {
crm_err("No registration token provided");
crm_log_xml_err(reply, "Bad reply");
rc = -EPROTO;
} else {
crm_trace("Obtained registration token: %s", tmp_ticket);
native->token = strdup(tmp_ticket);
rc = pcmk_ok;
}
}
free_xml(reply);
free_xml(hello);
}
if (rc == pcmk_ok) {
#if HAVE_MSGFROMIPC_TIMEOUT
stonith->call_timeout = MAX_IPC_DELAY;
#endif
crm_debug("Connection to STONITH successful");
return pcmk_ok;
}
crm_debug("Connection to STONITH failed: %s", pcmk_strerror(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) {
int rc;
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);
}
rc = crm_ipc_send(native->ipc, notify_msg, NULL, -1);
if(rc < 0) {
crm_perror(LOG_DEBUG, "Couldn't register for fencing notifications: %d", rc);
rc = -ECOMM;
}
}
free_xml(notify_msg);
return pcmk_ok;
}
static int
stonith_api_add_notification(stonith_t * stonith, const char *event,
void (*callback) (stonith_t * stonith, stonith_event_t *e))
{
GList *list_item = NULL;
stonith_notify_client_t *new_client = NULL;
stonith_private_t *private = NULL;
private = stonith->private;
crm_trace("Adding callback for %s events (%d)", event, g_list_length(private->notify_list));
new_client = calloc(1, sizeof(stonith_notify_client_t));
new_client->event = event;
new_client->notify = callback;
list_item = g_list_find_custom(private->notify_list, new_client, stonithlib_GCompareFunc);
if (list_item != NULL) {
crm_warn("Callback already present");
free(new_client);
return -ENOTUNIQ;
} else {
private->notify_list = g_list_append(private->notify_list, new_client);
stonith_set_notification(stonith, event, 1);
crm_trace("Callback added (%d)", g_list_length(private->notify_list));
}
return pcmk_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;
new_client = calloc(1, sizeof(stonith_notify_client_t));
new_client->event = event;
new_client->notify = NULL;
list_item = g_list_find_custom(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;
private->notify_list = g_list_remove(private->notify_list, list_client);
free(list_client);
crm_trace("Removed callback");
} else {
crm_trace("Callback not present");
}
free(new_client);
return pcmk_ok;
}
static gboolean
stonith_async_timeout_handler(gpointer data)
{
struct timer_rec_s *timer = data;
crm_err("Async call %d timed out after %dms", timer->call_id, timer->timeout);
stonith_perform_callback(timer->stonith, NULL, timer->call_id, -ETIME);
/* 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, 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 -EINVAL);
CRM_CHECK(stonith->private != NULL, return -EINVAL);
private = stonith->private;
if (call_id == 0) {
private->op_callback = callback;
} else if (call_id < 0) {
if (only_success == FALSE) {
crm_trace("Call failed, calling %s: %s",
callback_name, pcmk_strerror(call_id));
callback(stonith, NULL, call_id, call_id, NULL, user_data);
} else {
crm_warn("STONITH call failed: %s", pcmk_strerror(call_id));
}
return FALSE;
}
blob = calloc(1, 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;
async_timer = calloc(1, sizeof(struct timer_rec_s));
blob->timer = async_timer;
async_timer->stonith = stonith;
async_timer->call_id = call_id;
/* Allow a fair bit of grace to allow the server to tell us of a timeout
* This is only a fallback
*/
async_timer->timeout = (timeout + 60) * 1000;
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);
crm_trace("Added callback to %s for call %d", callback_name, call_id);
return TRUE;
}
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 pcmk_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_log_xml_err(msg, "Bad result"));
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_trace("No callback found for call %d", call_id);
local_blob.callback = NULL;
}
if (local_blob.callback != NULL && (rc == pcmk_ok || local_blob.only_success == FALSE)) {
crm_trace("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 != pcmk_ok) {
crm_warn("STONITH command failed: %s", pcmk_strerror(rc));
crm_log_xml_debug(msg, "Failed STONITH Update");
}
if (private->op_callback != NULL) {
crm_trace("Invoking global callback for call %d", call_id);
private->op_callback(stonith, msg, call_id, rc, output, NULL);
}
crm_trace("OP callback activated.");
}
/*
<notify t="st_notify" subt="st_device_register" st_op="st_device_register" st_rc="0" >
<st_calldata >
<stonith_command t="stonith-ng" st_async_id="088fb640-431a-48b9-b2fc-c4ff78d0a2d9" st_op="st_device_register" st_callid="2" st_callopt="4096" st_timeout="0" st_clientid="088fb640-431a-48b9-b2fc-c4ff78d0a2d9" st_clientname="stonith-test" >
<st_calldata >
<st_device_id id="test-id" origin="create_device_registration_xml" agent="fence_virsh" namespace="stonith-ng" >
<attributes ipaddr="localhost" pcmk-portmal="some-host=pcmk-1 pcmk-3=3,4" login="root" identity_file="/root/.ssh/id_dsa" />
</st_device_id>
</st_calldata>
</stonith_command>
</st_calldata>
</notify>
<notify t="st_notify" subt="st_notify_fence" st_op="st_notify_fence" st_rc="0" >
<st_calldata >
<st_notify_fence st_rc="0" st_target="some-host" st_op="st_fence" st_delegate="test-id" st_origin="61dd7759-e229-4be7-b1f8-ef49dd14d9f0" />
</st_calldata>
</notify>
*/
static stonith_event_t *
xml_to_event(xmlNode *msg)
{
stonith_event_t *event = calloc(1, sizeof(stonith_event_t));
const char *ntype = crm_element_value(msg, F_SUBTYPE);
char *data_addr = g_strdup_printf("//%s", ntype);
xmlNode *data = get_xpath_object(data_addr, msg, LOG_ERR);
crm_log_xml_trace(msg, "stonith_notify");
crm_element_value_int(msg, F_STONITH_RC, &(event->result));
if(safe_str_eq(ntype, T_STONITH_NOTIFY_FENCE)) {
event->origin = crm_element_value_copy(data, F_STONITH_ORIGIN);
event->target = crm_element_value_copy(data, F_STONITH_TARGET);
event->operation = crm_element_value_copy(msg, F_STONITH_OPERATION);
event->executioner = crm_element_value_copy(data, F_STONITH_DELEGATE);
event->id = crm_element_value_copy(data, F_STONITH_REMOTE);
}
g_free(data_addr);
return event;
}
static void
stonith_send_notification(gpointer data, gpointer user_data)
{
struct notify_blob_s *blob = user_data;
stonith_notify_client_t *entry = data;
stonith_event_t *st_event = NULL;
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_trace("Skipping callback - event mismatch %p/%s vs. %s", entry, entry->event, event);
return;
}
st_event = xml_to_event(blob->xml);
crm_trace("Invoking callback for %p/%s event...", entry, event);
entry->notify(blob->stonith, st_event);
crm_trace("Callback invoked...");
}
int
stonith_send_command(stonith_t * stonith, const char *op, xmlNode * data, xmlNode ** output_data,
int call_options, int timeout)
{
int rc = 0;
int reply_id = -1;
xmlNode *op_msg = NULL;
xmlNode *op_reply = NULL;
stonith_private_t *native = stonith->private;
if (stonith->state == stonith_disconnected) {
return -ENOTCONN;
}
if (output_data != NULL) {
*output_data = NULL;
}
if (op == NULL) {
crm_err("No operation specified");
return -EINVAL;
}
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 -EINVAL;
}
crm_xml_add_int(op_msg, F_STONITH_TIMEOUT, timeout);
crm_trace("Sending %s message to STONITH service, Timeout: %ds", op, timeout);
rc = crm_ipc_send(native->ipc, op_msg, &op_reply, 1000*(timeout + 60));
free_xml(op_msg);
if(rc < 0) {
crm_perror(LOG_ERR, "Couldn't perform %s operation (timeout=%ds): %d", op, timeout, rc);
rc = -ECOMM;
goto done;
}
crm_log_xml_trace(op_reply, "Reply");
if (!(call_options & st_opt_sync_call)) {
crm_trace("Async call %d, returning", stonith->call_id);
CRM_CHECK(stonith->call_id != 0, return -EPROTO);
free_xml(op_reply);
return stonith->call_id;
}
rc = pcmk_ok;
crm_element_value_int(op_reply, F_STONITH_CALLID, &reply_id);
if (reply_id == stonith->call_id) {
crm_trace("Syncronous reply %d received", reply_id);
if (crm_element_value_int(op_reply, F_STONITH_RC, &rc) != 0) {
rc = -ENOMSG;
}
if ((call_options & st_opt_discard_reply) || output_data == NULL) {
crm_trace("Discarding reply");
} else {
*output_data = op_reply;
op_reply = NULL; /* Prevent subsequent free */
}
} else if (reply_id <= 0) {
crm_err("Recieved bad reply: No id set");
crm_log_xml_err(op_reply, "Bad reply");
free_xml(op_reply);
rc = -ENOMSG;
} else {
crm_err("Recieved bad reply: %d (wanted %d)", reply_id, stonith->call_id);
crm_log_xml_err(op_reply, "Old reply");
free_xml(op_reply);
rc = -ENOMSG;
}
done:
if (crm_ipc_connected(native->ipc) == FALSE) {
crm_err("STONITH disconnected");
stonith->state = stonith_disconnected;
}
free_xml(op_reply);
return rc;
}
/* Not used with mainloop */
bool
stonith_dispatch(stonith_t * st)
{
gboolean stay_connected = TRUE;
stonith_private_t *private = NULL;
CRM_ASSERT(st != NULL);
private = st->private;
while(crm_ipc_ready(private->ipc)) {
if(crm_ipc_read(private->ipc) > 0) {
const char *msg = crm_ipc_buffer(private->ipc);
stonith_dispatch_internal(msg, strlen(msg), st);
}
if(crm_ipc_connected(private->ipc) == FALSE) {
crm_err("Connection closed");
stay_connected = FALSE;
}
}
return stay_connected;
}
int
stonith_dispatch_internal(const char *buffer, ssize_t length, gpointer userdata)
{
const char *type = NULL;
struct notify_blob_s blob;
stonith_t * st = userdata;
stonith_private_t *private = NULL;
CRM_ASSERT(st != NULL);
private = st->private;
blob.stonith = st;
blob.xml = string2xml(buffer);
if (blob.xml == NULL) {
crm_warn("Received a NULL msg from STONITH service: %s.", buffer);
return 0;
}
/* do callbacks */
type = crm_element_value(blob.xml, F_TYPE);
crm_trace("Activating %s callbacks...", type);
if (safe_str_eq(type, T_STONITH_NG)) {
stonith_perform_callback(st, blob.xml, 0, 0);
} else if (safe_str_eq(type, T_STONITH_NOTIFY)) {
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;
}
static int
stonith_api_free(stonith_t * stonith)
{
int rc = pcmk_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);
free(private->token);
free(stonith->private);
free(stonith->cmds);
free(stonith);
}
return rc;
}
void
stonith_api_delete(stonith_t * stonith)
{
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);
free(client);
}
stonith->cmds->free(stonith);
stonith = NULL;
}
stonith_t *
stonith_api_new(void)
{
stonith_t *new_stonith = NULL;
stonith_private_t *private = NULL;
new_stonith = calloc(1, sizeof(stonith_t));
private = calloc(1, 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->state = stonith_disconnected;
new_stonith->cmds = calloc(1, sizeof(stonith_api_operations_t));
/* *INDENT-OFF* */
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->list = stonith_api_list;
+ new_stonith->cmds->monitor = stonith_api_monitor;
+ new_stonith->cmds->status = stonith_api_status;
new_stonith->cmds->fence = stonith_api_fence;
new_stonith->cmds->confirm = stonith_api_confirm;
new_stonith->cmds->history = stonith_api_history;
- new_stonith->cmds->list = stonith_api_device_list;
- new_stonith->cmds->metadata = stonith_api_device_metadata;
+ new_stonith->cmds->list_agents = stonith_api_device_list;
+ 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_level = stonith_api_remove_level;
new_stonith->cmds->register_level = stonith_api_register_level;
-
- new_stonith->cmds->remove_callback = stonith_api_del_callback;
- new_stonith->cmds->register_callback = stonith_api_add_callback;
+
+ 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;
/* *INDENT-ON* */
return new_stonith;
}
stonith_key_value_t *
stonith_key_value_add(stonith_key_value_t * head, const char *key, const char *value)
{
stonith_key_value_t *p, *end;
p = calloc(1, sizeof(stonith_key_value_t));
if (key) {
p->key = strdup(key);
}
if (value) {
p->value = strdup(value);
}
end = head;
while (end && end->next) {
end = end->next;
}
if (end) {
end->next = p;
} else {
head = p;
}
return head;
}
void
stonith_key_value_freeall(stonith_key_value_t * head, int keys, int values)
{
stonith_key_value_t *p;
while (head) {
p = head->next;
if (keys) {
free(head->key);
}
if (values) {
free(head->value);
}
free(head);
head = p;
}
}
int
stonith_api_kick(int nodeid, const char *uname, int timeout, bool off)
{
char *name = NULL;
const char *action = "reboot";
int rc = -EPROTO;
stonith_t *st = NULL;
enum stonith_call_options opts = st_opt_sync_call | st_opt_allow_suicide;
st = stonith_api_new();
if (st) {
rc = st->cmds->connect(st, "stonith-api", NULL);
}
if (uname != NULL) {
name = strdup(uname);
} else if (nodeid > 0) {
opts |= st_opt_cs_nodeid;
name = crm_itoa(nodeid);
}
if (off) {
action = "off";
}
if (rc == pcmk_ok) {
rc = st->cmds->fence(st, opts, name, action, timeout);
}
if (st) {
st->cmds->disconnect(st);
stonith_api_delete(st);
}
free(name);
return rc;
}
time_t
stonith_api_time(int nodeid, const char *uname, bool in_progress)
{
int rc = 0;
char *name = NULL;
time_t when = 0;
time_t progress = 0;
stonith_t *st = NULL;
stonith_history_t *history, *hp = NULL;
enum stonith_call_options opts = st_opt_sync_call;
st = stonith_api_new();
if (st) {
rc = st->cmds->connect(st, "stonith-api", NULL);
}
if (uname != NULL) {
name = strdup(uname);
} else if (nodeid > 0) {
opts |= st_opt_cs_nodeid;
name = crm_itoa(nodeid);
}
if (st && rc == pcmk_ok) {
st->cmds->history(st, st_opt_sync_call | st_opt_cs_nodeid, name, &history, 120);
for (hp = history; hp; hp = hp->next) {
if (in_progress) {
if (hp->state != st_done && hp->state != st_failed) {
progress = time(NULL);
}
} else if (hp->state == st_done) {
when = hp->completed;
}
}
}
if (progress) {
when = progress;
}
if (st) {
st->cmds->disconnect(st);
stonith_api_delete(st);
}
free(name);
return when;
}
diff --git a/lib/lrmd/lrmd_client.c b/lib/lrmd/lrmd_client.c
index 0b26c11ec3..c96ab99979 100644
--- a/lib/lrmd/lrmd_client.c
+++ b/lib/lrmd/lrmd_client.c
@@ -1,1007 +1,1007 @@
/*
* Copyright (c) 2012 David Vossel <dvossel@redhat.com>
*
* 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 <crm_internal.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <glib.h>
#include <dirent.h>
#include <crm/crm.h>
#include <crm/lrmd.h>
#include <crm/services.h>
#include <crm/common/mainloop.h>
#include <crm/msg_xml.h>
#include <crm/stonith-ng.h>
CRM_TRACE_INIT_DATA(lrmd);
static stonith_t *stonith_api = NULL;
typedef struct lrmd_private_s {
int call_id;
char *token;
crm_ipc_t *ipc;
mainloop_io_t *source;
lrmd_event_callback callback;
} lrmd_private_t;
static lrmd_list_t *
lrmd_list_add(lrmd_list_t * head, const char *value)
{
lrmd_list_t *p, *end;
p = calloc(1, sizeof(lrmd_list_t));
p->val = strdup(value);
end = head;
while (end && end->next) {
end = end->next;
}
if (end) {
end->next = p;
} else {
head = p;
}
return head;
}
void
lrmd_list_freeall(lrmd_list_t * head)
{
lrmd_list_t *p;
while (head) {
char *val = (char *)head->val;
p = head->next;
free(val);
free(head);
head = p;
}
}
lrmd_key_value_t *
lrmd_key_value_add(lrmd_key_value_t * head, const char *key, const char *value)
{
lrmd_key_value_t *p, *end;
p = calloc(1, sizeof(lrmd_key_value_t));
p->key = strdup(key);
p->value = strdup(value);
end = head;
while (end && end->next) {
end = end->next;
}
if (end) {
end->next = p;
} else {
head = p;
}
return head;
}
static void
lrmd_key_value_freeall(lrmd_key_value_t * head)
{
lrmd_key_value_t *p;
while (head) {
p = head->next;
free(head->key);
free(head->value);
free(head);
head = p;
}
}
static void
dup_attr(gpointer key, gpointer value, gpointer user_data)
{
g_hash_table_replace(user_data, strdup(key), strdup(value));
}
lrmd_event_data_t *
lrmd_copy_event(lrmd_event_data_t * event)
{
lrmd_event_data_t *copy = NULL;
copy = calloc(1, sizeof(lrmd_event_data_t));
/* This will get all the int values.
* we just have to be careful not to leave any
* dangling pointers to strings. */
memcpy(copy, event, sizeof(lrmd_event_data_t));
copy->rsc_id = event->rsc_id ? strdup(event->rsc_id) : NULL;
copy->op_type = event->op_type ? strdup(event->op_type) : NULL;
copy->user_data = event->user_data ? strdup(event->user_data) : NULL;
copy->output = event->output ? strdup(event->output) : NULL;
if (event->params) {
copy->params = g_hash_table_new_full(crm_str_hash,
g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
if (copy->params != NULL) {
g_hash_table_foreach(event->params, dup_attr, copy->params);
}
}
return copy;
}
void
lrmd_free_event(lrmd_event_data_t * event)
{
if (!event) {
return;
}
/* free gives me grief if i try to cast */
free((char *)event->rsc_id);
free((char *)event->op_type);
free((char *)event->user_data);
free((char *)event->output);
if (event->params) {
g_hash_table_destroy(event->params);
}
free(event);
}
static int
lrmd_dispatch_internal(const char *buffer, ssize_t length, gpointer userdata)
{
const char *type;
lrmd_t *lrmd = userdata;
lrmd_private_t *native = lrmd->private;
lrmd_event_data_t event = { 0, };
xmlNode *msg;
if (!native->callback) {
/* no callback set */
return 1;
}
msg = string2xml(buffer);
type = crm_element_value(msg, F_LRMD_OPERATION);
crm_element_value_int(msg, F_LRMD_CALLID, &event.call_id);
event.rsc_id = crm_element_value(msg, F_LRMD_RSC_ID);
if (crm_str_eq(type, LRMD_OP_RSC_REG, TRUE)) {
event.type = lrmd_event_register;
} else if (crm_str_eq(type, LRMD_OP_RSC_UNREG, TRUE)) {
event.type = lrmd_event_unregister;
} else if (crm_str_eq(type, LRMD_OP_RSC_EXEC, TRUE)) {
crm_element_value_int(msg, F_LRMD_TIMEOUT, &event.timeout);
crm_element_value_int(msg, F_LRMD_RSC_INTERVAL, &event.interval);
crm_element_value_int(msg, F_LRMD_RSC_START_DELAY, &event.start_delay);
crm_element_value_int(msg, F_LRMD_EXEC_RC, (int *)&event.rc);
crm_element_value_int(msg, F_LRMD_OP_STATUS, &event.op_status);
crm_element_value_int(msg, F_LRMD_RSC_DELETED, &event.rsc_deleted);
crm_element_value_int(msg, F_LRMD_RSC_RUN_TIME, (int *)&event.t_run);
crm_element_value_int(msg, F_LRMD_RSC_RCCHANGE_TIME, (int *)&event.t_rcchange);
crm_element_value_int(msg, F_LRMD_RSC_EXEC_TIME, (int *)&event.exec_time);
crm_element_value_int(msg, F_LRMD_RSC_QUEUE_TIME, (int *)&event.queue_time);
event.op_type = crm_element_value(msg, F_LRMD_RSC_ACTION);
event.user_data = crm_element_value(msg, F_LRMD_RSC_USERDATA_STR);
event.output = crm_element_value(msg, F_LRMD_RSC_OUTPUT);
event.type = lrmd_event_exec_complete;
event.params = xml2list(msg);
}
native->callback(&event);
if (event.params) {
g_hash_table_destroy(event.params);
}
free_xml(msg);
return 1;
}
/* Not used with mainloop */
bool
lrmd_dispatch(lrmd_t * lrmd)
{
gboolean stay_connected = TRUE;
lrmd_private_t *private = NULL;
CRM_ASSERT(lrmd != NULL);
private = lrmd->private;
while (crm_ipc_ready(private->ipc)) {
if (crm_ipc_read(private->ipc) > 0) {
const char *msg = crm_ipc_buffer(private->ipc);
lrmd_dispatch_internal(msg, strlen(msg), lrmd);
}
if (crm_ipc_connected(private->ipc) == FALSE) {
crm_err("Connection closed");
stay_connected = FALSE;
}
}
return stay_connected;
}
static xmlNode *
lrmd_create_op(int call_id,
const char *token, const char *op, xmlNode * data, enum lrmd_call_options options)
{
xmlNode *op_msg = create_xml_node(NULL, "lrmd_command");
CRM_CHECK(op_msg != NULL, return NULL);
CRM_CHECK(token != NULL, return NULL);
crm_xml_add(op_msg, F_XML_TAGNAME, "lrmd_command");
crm_xml_add(op_msg, F_TYPE, T_LRMD);
crm_xml_add(op_msg, F_LRMD_CALLBACK_TOKEN, token);
crm_xml_add(op_msg, F_LRMD_OPERATION, op);
crm_xml_add_int(op_msg, F_LRMD_CALLID, call_id);
crm_trace("Sending call options: %.8lx, %d", (long)options, options);
crm_xml_add_int(op_msg, F_LRMD_CALLOPTS, options);
if (data != NULL) {
add_message_xml(op_msg, F_LRMD_CALLDATA, data);
}
return op_msg;
}
static void
lrmd_connection_destroy(gpointer userdata)
{
lrmd_t *lrmd = userdata;
lrmd_private_t *native = lrmd->private;
crm_info("connection destroyed");
if (native->callback) {
lrmd_event_data_t event = { 0, };
event.type = lrmd_event_disconnect;
native->callback(&event);
}
}
static int
lrmd_send_command(lrmd_t * lrmd, const char *op, xmlNode * data, xmlNode ** output_data, int timeout, /* ms. defaults to 1000 if set to 0 */
enum lrmd_call_options options)
{
int rc = pcmk_ok;
int reply_id = -1;
lrmd_private_t *native = lrmd->private;
xmlNode *op_msg = NULL;
xmlNode *op_reply = NULL;
if (!native->ipc) {
return -ENOTCONN;
}
if (op == NULL) {
crm_err("No operation specified");
return -EINVAL;
}
native->call_id++;
if (native->call_id < 1) {
native->call_id = 1;
}
CRM_CHECK(native->token != NULL,;);
op_msg = lrmd_create_op(native->call_id, native->token, op, data, options);
if (op_msg == NULL) {
return -EINVAL;
}
crm_xml_add_int(op_msg, F_LRMD_TIMEOUT, timeout);
rc = crm_ipc_send(native->ipc, op_msg, &op_reply, timeout);
free_xml(op_msg);
if (rc < 0) {
crm_perror(LOG_ERR, "Couldn't perform %s operation (timeout=%d): %d", op, timeout, rc);
rc = -ECOMM;
goto done;
}
rc = pcmk_ok;
crm_element_value_int(op_reply, F_LRMD_CALLID, &reply_id);
if (reply_id == native->call_id) {
crm_trace("reply received");
if (crm_element_value_int(op_reply, F_LRMD_RC, &rc) != 0) {
rc = -ENOMSG;
goto done;
}
if (output_data) {
*output_data = op_reply;
op_reply = NULL; /* Prevent subsequent free */
}
} else if (reply_id <= 0) {
crm_err("Recieved bad reply: No id set");
crm_log_xml_err(op_reply, "Bad reply");
rc = -ENOMSG;
} else {
crm_err("Recieved bad reply: %d (wanted %d)", reply_id, native->call_id);
crm_log_xml_err(op_reply, "Old reply");
rc = -ENOMSG;
}
crm_log_xml_trace(op_reply, "Reply");
done:
if (crm_ipc_connected(native->ipc) == FALSE) {
crm_err("LRMD disconnected");
}
free_xml(op_reply);
return rc;
}
static int
lrmd_api_connect(lrmd_t * lrmd, const char *name, int *fd)
{
int rc = pcmk_ok;
lrmd_private_t *native = lrmd->private;
static struct ipc_client_callbacks lrmd_callbacks = {
.dispatch = lrmd_dispatch_internal,
.destroy = lrmd_connection_destroy
};
crm_info("Connecting to lrmd");
if (fd) {
/* No mainloop */
native->ipc = crm_ipc_new("lrmd", 0);
if (native->ipc && crm_ipc_connect(native->ipc)) {
*fd = crm_ipc_get_fd(native->ipc);
} else if (native->ipc) {
rc = -ENOTCONN;
}
} else {
native->source = mainloop_add_ipc_client("lrmd", 0, lrmd, &lrmd_callbacks);
native->ipc = mainloop_get_ipc_client(native->source);
}
if (native->ipc == NULL) {
crm_debug("Could not connect to the LRMD API");
rc = -ENOTCONN;
}
if (!rc) {
xmlNode *reply = NULL;
xmlNode *hello = create_xml_node(NULL, "lrmd_command");
crm_xml_add(hello, F_TYPE, T_LRMD);
crm_xml_add(hello, F_LRMD_OPERATION, CRM_OP_REGISTER);
crm_xml_add(hello, F_LRMD_CLIENTNAME, name);
rc = crm_ipc_send(native->ipc, hello, &reply, -1);
if (rc < 0) {
crm_perror(LOG_DEBUG, "Couldn't complete registration with the lrmd API: %d", rc);
rc = -ECOMM;
} else if (reply == NULL) {
crm_err("Did not receive registration reply");
rc = -EPROTO;
} else {
const char *msg_type = crm_element_value(reply, F_LRMD_OPERATION);
const char *tmp_ticket = crm_element_value(reply, F_LRMD_CLIENTID);
if (safe_str_neq(msg_type, CRM_OP_REGISTER)) {
crm_err("Invalid registration message: %s", msg_type);
crm_log_xml_err(reply, "Bad reply");
rc = -EPROTO;
} else if (tmp_ticket == NULL) {
crm_err("No registration token provided");
crm_log_xml_err(reply, "Bad reply");
rc = -EPROTO;
} else {
crm_trace("Obtained registration token: %s", tmp_ticket);
native->token = strdup(tmp_ticket);
rc = pcmk_ok;
}
}
free_xml(reply);
free_xml(hello);
}
return rc;
}
static int
lrmd_api_disconnect(lrmd_t * lrmd)
{
lrmd_private_t *native = lrmd->private;
crm_info("Disconnecting from lrmd service");
if (native->source) {
mainloop_del_ipc_client(native->source);
native->source = NULL;
native->ipc = NULL;
} else if (native->ipc) {
crm_ipc_close(native->ipc);
crm_ipc_destroy(native->ipc);
native->source = NULL;
native->ipc = NULL;
}
free(native->token);
native->token = NULL;
return 0;
}
static int
lrmd_api_register_rsc(lrmd_t * lrmd,
const char *rsc_id,
const char *class,
const char *provider, const char *type, enum lrmd_call_options options)
{
int rc = pcmk_ok;
xmlNode *data = NULL;
if (!class || !type || !rsc_id) {
return -EINVAL;
}
if (safe_str_eq(class, "ocf") && !provider) {
return -EINVAL;
}
data = create_xml_node(NULL, F_LRMD_RSC);
crm_xml_add(data, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add(data, F_LRMD_RSC_ID, rsc_id);
crm_xml_add(data, F_LRMD_CLASS, class);
crm_xml_add(data, F_LRMD_PROVIDER, provider);
crm_xml_add(data, F_LRMD_TYPE, type);
rc = lrmd_send_command(lrmd, LRMD_OP_RSC_REG, data, NULL, 0, options);
free_xml(data);
return rc;
}
static int
lrmd_api_unregister_rsc(lrmd_t * lrmd, const char *rsc_id, enum lrmd_call_options options)
{
int rc = pcmk_ok;
xmlNode *data = create_xml_node(NULL, F_LRMD_RSC);
crm_xml_add(data, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add(data, F_LRMD_RSC_ID, rsc_id);
rc = lrmd_send_command(lrmd, LRMD_OP_RSC_UNREG, data, NULL, 0, options);
free_xml(data);
return rc;
}
lrmd_rsc_info_t *
lrmd_copy_rsc_info(lrmd_rsc_info_t * rsc_info)
{
lrmd_rsc_info_t *copy = NULL;
copy = calloc(1, sizeof(lrmd_rsc_info_t));
copy->id = strdup(rsc_info->id);
copy->type = strdup(rsc_info->type);
copy->class = strdup(rsc_info->class);
if (rsc_info->provider) {
copy->provider = strdup(rsc_info->provider);
}
return copy;
}
void
lrmd_free_rsc_info(lrmd_rsc_info_t * rsc_info)
{
if (!rsc_info) {
return;
}
free(rsc_info->id);
free(rsc_info->type);
free(rsc_info->class);
free(rsc_info->provider);
free(rsc_info);
}
static lrmd_rsc_info_t *
lrmd_api_get_rsc_info(lrmd_t * lrmd, const char *rsc_id, enum lrmd_call_options options)
{
int rc = pcmk_ok;
lrmd_rsc_info_t *rsc_info = NULL;
xmlNode *data = create_xml_node(NULL, F_LRMD_RSC);
xmlNode *output = NULL;
const char *class = NULL;
const char *provider = NULL;
const char *type = NULL;
crm_xml_add(data, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add(data, F_LRMD_RSC_ID, rsc_id);
rc = lrmd_send_command(lrmd, LRMD_OP_RSC_INFO, data, &output, 0, options);
free_xml(data);
class = crm_element_value(output, F_LRMD_CLASS);
provider = crm_element_value(output, F_LRMD_PROVIDER);
type = crm_element_value(output, F_LRMD_TYPE);
if (!output) {
return NULL;
} else if (!class || !type) {
free_xml(output);
return NULL;
} else if (safe_str_eq(class, "ocf") && !provider) {
free_xml(output);
return NULL;
}
rsc_info = calloc(1, sizeof(lrmd_rsc_info_t));
rsc_info->id = strdup(rsc_id);
rsc_info->class = strdup(class);
if (provider) {
rsc_info->provider = strdup(provider);
}
rsc_info->type = strdup(type);
free_xml(output);
return rsc_info;
}
static void
lrmd_api_set_callback(lrmd_t * lrmd, lrmd_event_callback callback)
{
lrmd_private_t *native = lrmd->private;
native->callback = callback;
}
static int
stonith_get_metadata(const char *provider, const char *type, char **output)
{
int rc = pcmk_ok;
stonith_api->cmds->metadata(stonith_api, st_opt_sync_call, type, provider, output, 0);
if (*output == NULL) {
rc = -EIO;
}
return rc;
}
static int
lsb_get_metadata(const char *type, char **output)
{
#define lsb_metadata_template \
"<?xml version=\"1.0\"?>\n"\
"<!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n"\
"<resource-agent name=\"%s\" version=\"0.1\">\n"\
" <version>1.0</version>\n"\
" <longdesc lang=\"en\">\n"\
" %s"\
" </longdesc>\n"\
" <shortdesc lang=\"en\">%s</shortdesc>\n"\
" <parameters>\n"\
" </parameters>\n"\
" <actions>\n"\
" <action name=\"start\" timeout=\"15\" />\n"\
" <action name=\"stop\" timeout=\"15\" />\n"\
" <action name=\"status\" timeout=\"15\" />\n"\
" <action name=\"restart\" timeout=\"15\" />\n"\
" <action name=\"force-reload\" timeout=\"15\" />\n"\
" <action name=\"monitor\" timeout=\"15\" interval=\"15\" />\n"\
" <action name=\"meta-data\" timeout=\"5\" />\n"\
" </actions>\n"\
" <special tag=\"LSB\">\n"\
" <Provides>%s</Provides>\n"\
" <Required-Start>%s</Required-Start>\n"\
" <Required-Stop>%s</Required-Stop>\n"\
" <Should-Start>%s</Should-Start>\n"\
" <Should-Stop>%s</Should-Stop>\n"\
" <Default-Start>%s</Default-Start>\n"\
" <Default-Stop>%s</Default-Stop>\n"\
" </special>\n"\
"</resource-agent>\n"
#define LSB_INITSCRIPT_INFOBEGIN_TAG "### BEGIN INIT INFO"
#define LSB_INITSCRIPT_INFOEND_TAG "### END INIT INFO"
#define PROVIDES "# Provides:"
#define REQ_START "# Required-Start:"
#define REQ_STOP "# Required-Stop:"
#define SHLD_START "# Should-Start:"
#define SHLD_STOP "# Should-Stop:"
#define DFLT_START "# Default-Start:"
#define DFLT_STOP "# Default-Stop:"
#define SHORT_DSCR "# Short-Description:"
#define DESCRIPTION "# Description:"
#define lsb_meta_helper_free_value(m) \
if ((m) != NULL) { \
xmlFree(m); \
(m) = NULL; \
}
#define lsb_meta_helper_get_value(buffer, ptr, keyword) \
if (!ptr && !strncasecmp(buffer, keyword, strlen(keyword))) { \
(ptr) = (char *)xmlEncodeEntitiesReentrant(NULL, BAD_CAST buffer+strlen(keyword)); \
continue; \
}
char ra_pathname[PATH_MAX] = { 0, };
FILE *fp;
GString *meta_data = NULL;
char buffer[1024];
char *provides = NULL;
char *req_start = NULL;
char *req_stop = NULL;
char *shld_start = NULL;
char *shld_stop = NULL;
char *dflt_start = NULL;
char *dflt_stop = NULL;
char *s_dscrpt = NULL;
char *xml_l_dscrpt = NULL;
GString *l_dscrpt = NULL;
snprintf(ra_pathname, sizeof(ra_pathname), "%s%s%s",
type[0] == '/' ? "" : LSB_ROOT_DIR, type[0] == '/' ? "" : "/", type);
if (!(fp = fopen(ra_pathname, "r"))) {
return -EIO;
}
/* Enter into the lsb-compliant comment block */
while (fgets(buffer, sizeof(buffer), fp)) {
/* Now suppose each of the following eight arguments contain only one line */
lsb_meta_helper_get_value(buffer, provides, PROVIDES)
lsb_meta_helper_get_value(buffer, req_start, REQ_START)
lsb_meta_helper_get_value(buffer, req_stop, REQ_STOP)
lsb_meta_helper_get_value(buffer, shld_start, SHLD_START)
lsb_meta_helper_get_value(buffer, shld_stop, SHLD_STOP)
lsb_meta_helper_get_value(buffer, dflt_start, DFLT_START)
lsb_meta_helper_get_value(buffer, dflt_stop, DFLT_STOP)
lsb_meta_helper_get_value(buffer, s_dscrpt, SHORT_DSCR)
/* Long description may cross multiple lines */
if ((l_dscrpt == NULL) && (0 == strncasecmp(buffer, DESCRIPTION, strlen(DESCRIPTION)))) {
l_dscrpt = g_string_new(buffer + strlen(DESCRIPTION));
/* Between # and keyword, more than one space, or a tab character,
* indicates the continuation line. Extracted from LSB init script standard */
while (fgets(buffer, sizeof(buffer), fp)) {
if (!strncmp(buffer, "# ", 3) || !strncmp(buffer, "#\t", 2)) {
buffer[0] = ' ';
l_dscrpt = g_string_append(l_dscrpt, buffer);
} else {
fputs(buffer, fp);
break; /* Long description ends */
}
}
continue;
}
if (l_dscrpt) {
xml_l_dscrpt = (char *)xmlEncodeEntitiesReentrant(NULL, BAD_CAST(l_dscrpt->str));
}
if (!strncasecmp(buffer, LSB_INITSCRIPT_INFOEND_TAG, strlen(LSB_INITSCRIPT_INFOEND_TAG))) {
/* Get to the out border of LSB comment block */
break;
}
if (buffer[0] != '#') {
break; /* Out of comment block in the beginning */
}
}
fclose(fp);
meta_data = g_string_new("");
g_string_sprintf(meta_data, lsb_metadata_template, type,
(xml_l_dscrpt == NULL) ? type : xml_l_dscrpt,
(s_dscrpt == NULL) ? type : s_dscrpt, (provides == NULL) ? "" : provides,
(req_start == NULL) ? "" : req_start, (req_stop == NULL) ? "" : req_stop,
(shld_start == NULL) ? "" : shld_start, (shld_stop == NULL) ? "" : shld_stop,
(dflt_start == NULL) ? "" : dflt_start, (dflt_stop == NULL) ? "" : dflt_stop);
lsb_meta_helper_free_value(xml_l_dscrpt);
lsb_meta_helper_free_value(s_dscrpt);
lsb_meta_helper_free_value(provides);
lsb_meta_helper_free_value(req_start);
lsb_meta_helper_free_value(req_stop);
lsb_meta_helper_free_value(shld_start);
lsb_meta_helper_free_value(shld_stop);
lsb_meta_helper_free_value(dflt_start);
lsb_meta_helper_free_value(dflt_stop);
if (l_dscrpt) {
g_string_free(l_dscrpt, TRUE);
}
*output = strdup(meta_data->str);
g_string_free(meta_data, TRUE);
return pcmk_ok;
}
static int
generic_get_metadata(const char *standard, const char *provider, const char *type, char **output)
{
svc_action_t *action = resources_action_create(type,
standard,
provider,
type,
"meta-data",
0,
5000,
NULL);
if (!(services_action_sync(action))) {
crm_err("Failed to retrieve meta-data for %s:%s:%s", standard, provider, type);
services_action_free(action);
return -EIO;
}
if (!action->stdout_data) {
crm_err("Failed to retrieve meta-data for %s:%s:%s", standard, provider, type);
services_action_free(action);
return -EIO;
}
*output = strdup(action->stdout_data);
services_action_free(action);
return pcmk_ok;
}
static int
lrmd_api_get_metadata(lrmd_t * lrmd,
const char *class,
const char *provider,
const char *type, char **output, enum lrmd_call_options options)
{
if (!class || !type) {
return -EINVAL;
}
if (safe_str_eq(class, "stonith")) {
return stonith_get_metadata(provider, type, output);
} else if (safe_str_eq(class, "lsb")) {
return lsb_get_metadata(type, output);
}
return generic_get_metadata(class, provider, type, output);
}
static int
lrmd_api_exec(lrmd_t * lrmd, const char *rsc_id, const char *action, const char *userdata, int interval, /* ms */
int timeout, /* ms */
int start_delay, /* ms */
enum lrmd_call_options options, lrmd_key_value_t * params)
{
int rc = pcmk_ok;
xmlNode *data = create_xml_node(NULL, F_LRMD_RSC);
xmlNode *args = create_xml_node(data, XML_TAG_ATTRS);
crm_xml_add(data, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add(data, F_LRMD_RSC_ID, rsc_id);
crm_xml_add(data, F_LRMD_RSC_ACTION, action);
crm_xml_add(data, F_LRMD_RSC_USERDATA_STR, userdata);
crm_xml_add_int(data, F_LRMD_RSC_INTERVAL, interval);
crm_xml_add_int(data, F_LRMD_TIMEOUT, timeout);
crm_xml_add_int(data, F_LRMD_RSC_START_DELAY, start_delay);
for (; params; params = params->next) {
hash2field((gpointer) params->key, (gpointer) params->value, args);
}
rc = lrmd_send_command(lrmd, LRMD_OP_RSC_EXEC, data, NULL, timeout, options);
free_xml(data);
lrmd_key_value_freeall(params);
return rc;
}
static int
lrmd_api_cancel(lrmd_t * lrmd, const char *rsc_id, const char *action, int interval)
{
int rc = pcmk_ok;
xmlNode *data = create_xml_node(NULL, F_LRMD_RSC);
crm_xml_add(data, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add(data, F_LRMD_RSC_ACTION, action);
crm_xml_add(data, F_LRMD_RSC_ID, rsc_id);
crm_xml_add_int(data, F_LRMD_RSC_INTERVAL, interval);
rc = lrmd_send_command(lrmd, LRMD_OP_RSC_CANCEL, data, NULL, 0, 0);
free_xml(data);
return rc;
}
static int
list_stonith_agents(lrmd_list_t ** resources)
{
int rc = 0;
stonith_key_value_t *stonith_resources = NULL;
stonith_key_value_t *dIter = NULL;
- stonith_api->cmds->list(stonith_api, st_opt_sync_call, NULL, &stonith_resources, 0);
+ stonith_api->cmds->list_agents(stonith_api, st_opt_sync_call, NULL, &stonith_resources, 0);
for (dIter = stonith_resources; dIter; dIter = dIter->next) {
rc++;
if(resources) {
*resources = lrmd_list_add(*resources, dIter->value);
}
}
stonith_key_value_freeall(stonith_resources, 1, 0);
return rc;
}
static int
lrmd_api_list_agents(lrmd_t * lrmd, lrmd_list_t ** resources, const char *class,
const char *provider)
{
int rc = 0;
if (safe_str_eq(class, "stonith")) {
rc += list_stonith_agents(resources);
} else {
GListPtr gIter = NULL;
GList *agents = resources_list_agents(class, provider);
for (gIter = agents; gIter != NULL; gIter = gIter->next) {
*resources = lrmd_list_add(*resources, (const char *)gIter->data);
rc++;
}
g_list_free_full(agents, free);
if (!class) {
rc += list_stonith_agents(resources);
}
}
if(rc == 0) {
crm_notice("No agents found for class %s", class);
rc = -EPROTONOSUPPORT;
}
return rc;
}
static int
does_provider_have_agent(const char *agent, const char *provider, const char *class)
{
int found = 0;
GList *agents = NULL;
GListPtr gIter2 = NULL;
agents = resources_list_agents(class, provider);
for (gIter2 = agents; gIter2 != NULL; gIter2 = gIter2->next) {
if (safe_str_eq(agent, gIter2->data)) {
found = 1;
}
}
g_list_free_full(agents, free);
return found;
}
static int
lrmd_api_list_ocf_providers(lrmd_t * lrmd, const char *agent, lrmd_list_t ** providers)
{
int rc = pcmk_ok;
char *provider = NULL;
GList *ocf_providers = NULL;
GListPtr gIter = NULL;
ocf_providers = resources_list_providers("ocf");
for (gIter = ocf_providers; gIter != NULL; gIter = gIter->next) {
provider = gIter->data;
if (!agent || does_provider_have_agent(agent, provider, "ocf")) {
*providers = lrmd_list_add(*providers, (const char *)gIter->data);
rc++;
}
}
g_list_free_full(ocf_providers, free);
return rc;
}
static int
lrmd_api_list_standards(lrmd_t * lrmd, lrmd_list_t ** supported)
{
int rc = 0;
char *standard = NULL;
GList *standards = NULL;
GListPtr gIter = NULL;
standards = resources_list_standards();
for (gIter = standards; gIter != NULL; gIter = gIter->next) {
standard = gIter->data;
*supported = lrmd_list_add(*supported, (const char *)gIter->data);
rc++;
}
if(list_stonith_agents(NULL) > 0) {
*supported = lrmd_list_add(*supported, "stonith");
rc++;
}
g_list_free_full(standards, free);
return rc;
}
lrmd_t *
lrmd_api_new(void)
{
lrmd_t *new_lrmd = NULL;
lrmd_private_t *pvt = NULL;
new_lrmd = calloc(1, sizeof(lrmd_t));
pvt = calloc(1, sizeof(lrmd_private_t));
new_lrmd->cmds = calloc(1, sizeof(lrmd_api_operations_t));
new_lrmd->private = pvt;
new_lrmd->cmds->connect = lrmd_api_connect;
new_lrmd->cmds->disconnect = lrmd_api_disconnect;
new_lrmd->cmds->register_rsc = lrmd_api_register_rsc;
new_lrmd->cmds->unregister_rsc = lrmd_api_unregister_rsc;
new_lrmd->cmds->get_rsc_info = lrmd_api_get_rsc_info;
new_lrmd->cmds->set_callback = lrmd_api_set_callback;
new_lrmd->cmds->get_metadata = lrmd_api_get_metadata;
new_lrmd->cmds->exec = lrmd_api_exec;
new_lrmd->cmds->cancel = lrmd_api_cancel;
new_lrmd->cmds->list_agents = lrmd_api_list_agents;
new_lrmd->cmds->list_ocf_providers = lrmd_api_list_ocf_providers;
new_lrmd->cmds->list_standards = lrmd_api_list_standards;
if (!stonith_api) {
stonith_api = stonith_api_new();
}
return new_lrmd;
}
void
lrmd_api_delete(lrmd_t * lrmd)
{
lrmd->cmds->disconnect(lrmd); /* no-op if already disconnected */
free(lrmd->cmds);
free(lrmd->private);
free(lrmd);
}
diff --git a/lrmd/lrmd.c b/lrmd/lrmd.c
index 324493fd60..78ae5d1194 100644
--- a/lrmd/lrmd.c
+++ b/lrmd/lrmd.c
@@ -1,991 +1,991 @@
/*
* Copyright (c) 2012 David Vossel <dvossel@redhat.com>
*
* 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 <crm_internal.h>
#include <glib.h>
#include <unistd.h>
#include <crm/crm.h>
#include <crm/services.h>
#include <crm/common/mainloop.h>
#include <crm/common/ipc.h>
#include <crm/msg_xml.h>
#include <lrmd_private.h>
#ifdef HAVE_SYS_TIMEB_H
# include <sys/timeb.h>
#endif
GHashTable *rsc_list = NULL;
GHashTable *client_list = NULL;
typedef struct lrmd_cmd_s {
int timeout;
int interval;
int start_delay;
int call_id;
int exec_rc;
int lrmd_op_status;
/* Timer ids, must be removed on cmd destruction. */
int delay_id;
int stonith_recurring_id;
int rsc_deleted;
char *only_notify_client;
char *origin;
char *rsc_id;
char *action;
char *output;
char *userdata_str;
#ifdef HAVE_SYS_TIMEB_H
/* Timestamp of when op ran */
struct timeb t_run;
/* Timestamp of when op was queued */
struct timeb t_queue;
/* Timestamp of last rc change */
struct timeb t_rcchange;
#endif
GHashTable *params;
} lrmd_cmd_t;
static void cmd_finalize(lrmd_cmd_t * cmd, lrmd_rsc_t * rsc);
static gboolean lrmd_rsc_dispatch(gpointer user_data);
static lrmd_rsc_t *
build_rsc_from_xml(xmlNode * msg)
{
xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, msg, LOG_ERR);
lrmd_rsc_t *rsc = NULL;
rsc = calloc(1, sizeof(lrmd_rsc_t));
rsc->rsc_id = crm_element_value_copy(rsc_xml, F_LRMD_RSC_ID);
rsc->class = crm_element_value_copy(rsc_xml, F_LRMD_CLASS);
rsc->provider = crm_element_value_copy(rsc_xml, F_LRMD_PROVIDER);
rsc->type = crm_element_value_copy(rsc_xml, F_LRMD_TYPE);
rsc->work = mainloop_add_trigger(G_PRIORITY_HIGH, lrmd_rsc_dispatch, rsc);
return rsc;
}
static lrmd_cmd_t *
create_lrmd_cmd(xmlNode * msg, lrmd_client_t * client)
{
int call_options = 0;
xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, msg, LOG_ERR);
lrmd_cmd_t *cmd = NULL;
cmd = calloc(1, sizeof(lrmd_cmd_t));
crm_element_value_int(msg, F_LRMD_CALLOPTS, &call_options);
if (call_options & lrmd_opt_notify_orig_only) {
cmd->only_notify_client = strdup(client->id);
}
crm_element_value_int(msg, F_LRMD_CALLID, &cmd->call_id);
crm_element_value_int(rsc_xml, F_LRMD_RSC_INTERVAL, &cmd->interval);
crm_element_value_int(rsc_xml, F_LRMD_TIMEOUT, &cmd->timeout);
crm_element_value_int(rsc_xml, F_LRMD_RSC_START_DELAY, &cmd->start_delay);
cmd->origin = crm_element_value_copy(rsc_xml, F_LRMD_ORIGIN);
cmd->action = crm_element_value_copy(rsc_xml, F_LRMD_RSC_ACTION);
cmd->userdata_str = crm_element_value_copy(rsc_xml, F_LRMD_RSC_USERDATA_STR);
cmd->rsc_id = crm_element_value_copy(rsc_xml, F_LRMD_RSC_ID);
cmd->params = xml2list(rsc_xml);
return cmd;
}
static void
free_lrmd_cmd(lrmd_cmd_t * cmd)
{
if (cmd->stonith_recurring_id) {
g_source_remove(cmd->stonith_recurring_id);
}
if (cmd->delay_id) {
g_source_remove(cmd->delay_id);
}
if (cmd->params) {
g_hash_table_destroy(cmd->params);
}
free(cmd->origin);
free(cmd->action);
free(cmd->userdata_str);
free(cmd->rsc_id);
free(cmd->output);
free(cmd->only_notify_client);
free(cmd);
}
static gboolean
stonith_recurring_op_helper(gpointer data)
{
lrmd_cmd_t *cmd = data;
lrmd_rsc_t *rsc;
cmd->stonith_recurring_id = 0;
if (!cmd->rsc_id) {
return FALSE;
}
rsc = g_hash_table_lookup(rsc_list, cmd->rsc_id);
CRM_ASSERT(rsc != NULL);
/* take it out of recurring_ops list, and put it in the pending ops
* to be executed */
rsc->recurring_ops = g_list_remove(rsc->recurring_ops, cmd);
rsc->pending_ops = g_list_append(rsc->pending_ops, cmd);
#ifdef HAVE_SYS_TIMEB_H
ftime(&cmd->t_queue);
#endif
mainloop_set_trigger(rsc->work);
return FALSE;
}
static gboolean
start_delay_helper(gpointer data)
{
lrmd_cmd_t *cmd = data;
lrmd_rsc_t *rsc = NULL;
cmd->delay_id = 0;
rsc = cmd->rsc_id ? g_hash_table_lookup(rsc_list, cmd->rsc_id) : NULL;
if (rsc) {
mainloop_set_trigger(rsc->work);
}
return FALSE;
}
static void
schedule_lrmd_cmd(lrmd_rsc_t * rsc, lrmd_cmd_t * cmd)
{
CRM_CHECK(cmd != NULL, return);
CRM_CHECK(rsc != NULL, return);
crm_trace("Scheduling %s on %s", cmd->action, rsc->rsc_id);
rsc->pending_ops = g_list_append(rsc->pending_ops, cmd);
#ifdef HAVE_SYS_TIMEB_H
ftime(&cmd->t_queue);
#endif
mainloop_set_trigger(rsc->work);
if (cmd->start_delay) {
cmd->delay_id = g_timeout_add(cmd->start_delay, start_delay_helper, cmd);
}
}
static void
send_reply(lrmd_client_t * client, int rc, int call_id)
{
int send_rc = 0;
xmlNode *reply = NULL;
reply = create_xml_node(NULL, T_LRMD_REPLY);
crm_xml_add(reply, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add_int(reply, F_LRMD_RC, rc);
crm_xml_add_int(reply, F_LRMD_CALLID, call_id);
send_rc = crm_ipcs_send(client->channel, reply, FALSE);
free_xml(reply);
if (send_rc < 0) {
crm_warn("LRMD reply to %s failed: %d", client->name, send_rc);
}
}
static void
send_client_notify(gpointer key, gpointer value, gpointer user_data)
{
xmlNode *update_msg = user_data;
lrmd_client_t *client = value;
if (client == NULL) {
crm_err("Asked to send event to NULL client");
return;
} else if (client->channel == NULL) {
crm_trace("Asked to send event to disconnected client");
return;
} else if (client->name == NULL) {
crm_trace("Asked to send event to client with no name");
return;
}
if (crm_ipcs_send(client->channel, update_msg, TRUE) <= 0) {
crm_warn("Notification of client %s/%s failed", client->name, client->id);
}
}
#ifdef HAVE_SYS_TIMEB_H
static int
time_diff_ms(struct timeb *now, struct timeb *old)
{
int sec = difftime(now->time, old->time);
int ms = now->millitm - old->millitm;
if (old->time == 0) {
return 0;
}
return (sec * 1000) + ms;
}
#endif
static void
send_cmd_complete_notify(lrmd_cmd_t * cmd)
{
#ifdef HAVE_SYS_TIMEB_H
struct timeb now = { 0, };
#endif
xmlNode *notify = NULL;
notify = create_xml_node(NULL, T_LRMD_NOTIFY);
crm_xml_add(notify, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add_int(notify, F_LRMD_TIMEOUT, cmd->timeout);
crm_xml_add_int(notify, F_LRMD_RSC_INTERVAL, cmd->interval);
crm_xml_add_int(notify, F_LRMD_RSC_START_DELAY, cmd->start_delay);
crm_xml_add_int(notify, F_LRMD_EXEC_RC, cmd->exec_rc);
crm_xml_add_int(notify, F_LRMD_OP_STATUS, cmd->lrmd_op_status);
crm_xml_add_int(notify, F_LRMD_CALLID, cmd->call_id);
crm_xml_add_int(notify, F_LRMD_RSC_DELETED, cmd->rsc_deleted);
#ifdef HAVE_SYS_TIMEB_H
ftime(&now);
crm_xml_add_int(notify, F_LRMD_RSC_RUN_TIME, cmd->t_run.time);
crm_xml_add_int(notify, F_LRMD_RSC_RCCHANGE_TIME, cmd->t_rcchange.time);
crm_xml_add_int(notify, F_LRMD_RSC_EXEC_TIME, time_diff_ms(&now, &cmd->t_run));
crm_xml_add_int(notify, F_LRMD_RSC_QUEUE_TIME, time_diff_ms(&cmd->t_run, &cmd->t_queue));
#endif
crm_xml_add(notify, F_LRMD_OPERATION, LRMD_OP_RSC_EXEC);
crm_xml_add(notify, F_LRMD_RSC_ID, cmd->rsc_id);
crm_xml_add(notify, F_LRMD_RSC_ACTION, cmd->action);
crm_xml_add(notify, F_LRMD_RSC_USERDATA_STR, cmd->userdata_str);
crm_xml_add(notify, F_LRMD_RSC_OUTPUT, cmd->output);
if (cmd->params) {
char *key = NULL;
char *value = NULL;
GHashTableIter iter;
xmlNode *args = create_xml_node(notify, XML_TAG_ATTRS);
g_hash_table_iter_init(&iter, cmd->params);
while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) {
hash2field((gpointer) key, (gpointer) value, args);
}
}
if (cmd->only_notify_client) {
lrmd_client_t *client = g_hash_table_lookup(client_list, cmd->only_notify_client);
if (client) {
send_client_notify(client->id, client, notify);
}
} else {
g_hash_table_foreach(client_list, send_client_notify, notify);
}
free_xml(notify);
}
static void
send_generic_notify(int rc, xmlNode * request)
{
int call_id = 0;
xmlNode *notify = NULL;
xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
const char *op = crm_element_value(request, F_LRMD_OPERATION);
crm_element_value_int(request, F_LRMD_CALLID, &call_id);
notify = create_xml_node(NULL, T_LRMD_NOTIFY);
crm_xml_add(notify, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add_int(notify, F_LRMD_RC, rc);
crm_xml_add_int(notify, F_LRMD_CALLID, call_id);
crm_xml_add(notify, F_LRMD_OPERATION, op);
crm_xml_add(notify, F_LRMD_RSC_ID, rsc_id);
g_hash_table_foreach(client_list, send_client_notify, notify);
free_xml(notify);
}
static void
cmd_finalize(lrmd_cmd_t * cmd, lrmd_rsc_t * rsc)
{
crm_trace("Resource operation rsc:%s action:%s completed (%p %p)", cmd->rsc_id, cmd->action, rsc?rsc->active:NULL, cmd);
if (rsc && (rsc->active == cmd)) {
rsc->active = NULL;
mainloop_set_trigger(rsc->work);
}
if (!rsc) {
cmd->rsc_deleted = 1;
}
send_cmd_complete_notify(cmd);
if (cmd->interval && (cmd->lrmd_op_status == PCMK_LRM_OP_CANCELLED)) {
if (rsc) {
rsc->recurring_ops = g_list_remove(rsc->recurring_ops, cmd);
rsc->pending_ops = g_list_remove(rsc->pending_ops, cmd);
}
free_lrmd_cmd(cmd);
} else if (cmd->interval == 0) {
if (rsc) {
rsc->pending_ops = g_list_remove(rsc->pending_ops, cmd);
}
free_lrmd_cmd(cmd);
} else {
/* Clear all the values pertaining just to the last iteration of a recurring op. */
cmd->lrmd_op_status = 0;
memset(&cmd->t_run, 0, sizeof(cmd->t_run));
memset(&cmd->t_queue, 0, sizeof(cmd->t_queue));
free(cmd->output);
cmd->output = NULL;
}
}
static int
lsb2uniform_rc(const char *action, int rc)
{
if (rc < 0) {
return PCMK_EXECRA_UNKNOWN_ERROR;
}
/* status has different return codes that everything else. */
if (!safe_str_eq(action, "status") && !safe_str_eq(action, "monitor")) {
if (rc > PCMK_LSB_NOT_RUNNING) {
return PCMK_EXECRA_UNKNOWN_ERROR;
}
return rc;
}
switch (rc) {
case PCMK_LSB_STATUS_OK:
return PCMK_EXECRA_OK;
case PCMK_LSB_STATUS_NOT_INSTALLED:
return PCMK_EXECRA_NOT_INSTALLED;
case PCMK_LSB_STATUS_VAR_PID:
case PCMK_LSB_STATUS_VAR_LOCK:
case PCMK_LSB_STATUS_NOT_RUNNING:
return PCMK_EXECRA_NOT_RUNNING;
default:
return PCMK_EXECRA_UNKNOWN_ERROR;
}
return PCMK_EXECRA_UNKNOWN_ERROR;
}
static int
ocf2uniform_rc(int rc)
{
if (rc < 0 || rc > PCMK_OCF_FAILED_MASTER) {
return PCMK_EXECRA_UNKNOWN_ERROR;
}
return rc;
}
static int
stonith2uniform_rc(const char *action, int rc)
{
if (rc == -ENODEV) {
if (safe_str_eq(action, "stop")) {
rc = PCMK_EXECRA_OK;
} else if (safe_str_eq(action, "start")) {
rc = PCMK_EXECRA_NOT_INSTALLED;
} else {
rc = PCMK_EXECRA_NOT_RUNNING;
}
} else if (rc != 0) {
rc = PCMK_EXECRA_UNKNOWN_ERROR;
}
return rc;
}
static int
get_uniform_rc(const char *standard, const char *action, int rc)
{
if (safe_str_eq(standard, "ocf")) {
return ocf2uniform_rc(rc);
} else if (safe_str_eq(standard, "stonith")) {
return stonith2uniform_rc(action, rc);
} else if (safe_str_eq(standard, "systemd")) {
return rc;
} else if (safe_str_eq(standard, "upstart")) {
return rc;
} else {
return lsb2uniform_rc(action, rc);
}
}
static void
action_complete(svc_action_t * action)
{
lrmd_rsc_t *rsc;
lrmd_cmd_t *cmd = action->cb_data;
if (!cmd) {
crm_err("LRMD action (%s) completed does not match any known operations.", action->id);
return;
}
#ifdef HAVE_SYS_TIMEB_H
if (cmd->exec_rc != action->rc) {
ftime(&cmd->t_rcchange);
}
#endif
cmd->exec_rc = get_uniform_rc(action->standard, cmd->action, action->rc);
cmd->lrmd_op_status = action->status;
rsc = cmd->rsc_id ? g_hash_table_lookup(rsc_list, cmd->rsc_id) : NULL;
if (action->stdout_data) {
cmd->output = strdup(action->stdout_data);
}
cmd_finalize(cmd, rsc);
}
static int
lrmd_rsc_execute_stonith(lrmd_rsc_t * rsc, lrmd_cmd_t * cmd)
{
int rc = 0;
stonith_t *stonith_api = get_stonith_connection();
if (!stonith_api) {
cmd->exec_rc = get_uniform_rc("stonith", cmd->action, -ENOTCONN);
cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
cmd_finalize(cmd, rsc);
return -EUNATCH;
}
if (safe_str_eq(cmd->action, "start")) {
char *key = NULL;
char *value = NULL;
stonith_key_value_t *device_params = NULL;
if (cmd->params) {
GHashTableIter iter;
g_hash_table_iter_init(&iter, cmd->params);
while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) {
device_params = stonith_key_value_add(device_params, key, value);
}
}
rc = stonith_api->cmds->register_device(stonith_api,
st_opt_sync_call,
cmd->rsc_id,
rsc->provider, rsc->type, device_params);
stonith_key_value_freeall(device_params, 1, 1);
if (rc == 0) {
- rc = stonith_api->cmds->call(stonith_api,
+ rc = stonith_api->cmds->monitor(stonith_api,
st_opt_sync_call,
- cmd->rsc_id, "monitor", NULL, cmd->timeout);
+ cmd->rsc_id, cmd->timeout);
}
} else if (safe_str_eq(cmd->action, "stop")) {
rc = stonith_api->cmds->remove_device(stonith_api, st_opt_sync_call, cmd->rsc_id);
} else if (safe_str_eq(cmd->action, "monitor")) {
- rc = stonith_api->cmds->call(stonith_api,
+ rc = stonith_api->cmds->monitor(stonith_api,
st_opt_sync_call,
- cmd->rsc_id, cmd->action, NULL, cmd->timeout);
+ cmd->rsc_id, cmd->timeout);
}
cmd->exec_rc = get_uniform_rc("stonith", cmd->action, rc);
/* Attempt to map return codes to op status if possible */
if (rc) {
switch (rc) {
case -EPROTONOSUPPORT:
cmd->lrmd_op_status = PCMK_LRM_OP_NOTSUPPORTED;
break;
case -ETIME:
cmd->lrmd_op_status = PCMK_LRM_OP_TIMEOUT;
break;
default:
cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
}
} else {
cmd->lrmd_op_status = PCMK_LRM_OP_DONE;
}
if (cmd->interval > 0) {
rsc->recurring_ops = g_list_append(rsc->recurring_ops, cmd);
cmd->stonith_recurring_id = g_timeout_add(cmd->interval, stonith_recurring_op_helper, cmd);
}
cmd_finalize(cmd, rsc);
return rc;
}
static const char *
normalize_action_name(lrmd_rsc_t * rsc, const char *action)
{
if (safe_str_eq(action, "monitor") &&
(safe_str_eq(rsc->class, "lsb") ||
safe_str_eq(rsc->class, "service") || safe_str_eq(rsc->class, "systemd"))) {
return "status";
}
return action;
}
static void
dup_attr(gpointer key, gpointer value, gpointer user_data)
{
g_hash_table_replace(user_data, strdup(key), strdup(value));
}
static int
lrmd_rsc_execute_service_lib(lrmd_rsc_t * rsc, lrmd_cmd_t * cmd)
{
svc_action_t *action = NULL;
GHashTable *params_copy = NULL;
crm_trace("Creating action, resource:%s action:%s class:%s provider:%s agent:%s",
rsc->rsc_id, cmd->action, rsc->class, rsc->provider, rsc->type);
if (cmd->params) {
params_copy = g_hash_table_new_full(crm_str_hash,
g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
if (params_copy != NULL) {
g_hash_table_foreach(cmd->params, dup_attr, params_copy);
}
}
action = resources_action_create(rsc->rsc_id,
rsc->class,
rsc->provider,
rsc->type,
normalize_action_name(rsc, cmd->action),
cmd->interval, cmd->timeout, params_copy);
if (!action) {
crm_err("Failed to create action, action:%s on resource %s", cmd->action, rsc->rsc_id);
cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
goto exec_done;
}
action->cb_data = cmd;
/* The cmd will be finalized by the action_complete callback after
* the service library is done with it */
rsc->active = cmd; /* only one op at a time for a rsc */
if (cmd->interval) {
rsc->recurring_ops = g_list_append(rsc->recurring_ops, cmd);
}
/* 'cmd' may not be valid after this point
*
* Upstart and systemd both synchronously determine monitor/status
* results and call action_complete (which may free 'cmd') if necessary
*/
if (services_action_async(action, action_complete)) {
return TRUE;
}
cmd->exec_rc = action->rc;
cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
services_action_free(action);
action = NULL;
exec_done:
if (cmd) {
cmd_finalize(cmd, rsc);
}
return TRUE;
}
static gboolean
lrmd_rsc_execute(lrmd_rsc_t * rsc)
{
lrmd_cmd_t *cmd = NULL;
CRM_CHECK(rsc != NULL, return FALSE);
if (rsc->active) {
crm_trace("%s is still active", rsc->rsc_id);
return TRUE;
}
if (rsc->pending_ops) {
GList *first = rsc->pending_ops;
cmd = first->data;
if (cmd->delay_id) {
crm_trace
("Command %s %s was asked to run too early, waiting for start_delay timeout of %dms",
cmd->rsc_id, cmd->action, cmd->start_delay);
return TRUE;
}
rsc->pending_ops = g_list_remove_link(rsc->pending_ops, first);
g_list_free_1(first);
#ifdef HAVE_SYS_TIMEB_H
ftime(&cmd->t_run);
}
#endif
if (!cmd) {
crm_trace("Nothing further to do for %s", rsc->rsc_id);
return TRUE;
}
if (safe_str_eq(rsc->class, "stonith")) {
lrmd_rsc_execute_stonith(rsc, cmd);
} else {
lrmd_rsc_execute_service_lib(rsc, cmd);
}
return TRUE;
}
static gboolean
lrmd_rsc_dispatch(gpointer user_data)
{
return lrmd_rsc_execute(user_data);
}
void
free_rsc(gpointer data)
{
GListPtr gIter = NULL;
lrmd_rsc_t *rsc = data;
int is_stonith = safe_str_eq(rsc->class, "stonith");
for (gIter = rsc->pending_ops; gIter != NULL; gIter = gIter->next) {
lrmd_cmd_t *cmd = gIter->data;
/* command was never executed */
cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
cmd_finalize(cmd, NULL);
}
/* frees list, but not list elements. */
g_list_free(rsc->pending_ops);
for (gIter = rsc->recurring_ops; gIter != NULL; gIter = gIter->next) {
lrmd_cmd_t *cmd = gIter->data;
if (is_stonith) {
cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
cmd_finalize(cmd, NULL);
} else {
/* This command is already handed off to service library,
* let service library cancel it and tell us via the callback
* when it is cancelled. The rsc can be safely destroyed
* even if we are waiting for the cancel result */
services_action_cancel(rsc->rsc_id, cmd->action, cmd->interval);
}
}
/* frees list, but not list elements. */
g_list_free(rsc->recurring_ops);
free(rsc->rsc_id);
free(rsc->class);
free(rsc->provider);
free(rsc->type);
mainloop_destroy_trigger(rsc->work);
free(rsc);
}
static int
process_lrmd_signon(lrmd_client_t * client, xmlNode * request)
{
xmlNode *reply = create_xml_node(NULL, "reply");
crm_xml_add(reply, F_LRMD_OPERATION, CRM_OP_REGISTER);
crm_xml_add(reply, F_LRMD_CLIENTID, client->id);
crm_ipcs_send(client->channel, reply, FALSE);
free_xml(reply);
return pcmk_ok;
}
static int
process_lrmd_rsc_register(lrmd_client_t * client, xmlNode * request)
{
int rc = pcmk_ok;
lrmd_rsc_t *rsc = build_rsc_from_xml(request);
lrmd_rsc_t *dup = g_hash_table_lookup(rsc_list, rsc->rsc_id);
if (dup &&
safe_str_eq(rsc->class, dup->class) &&
safe_str_eq(rsc->provider, dup->provider) && safe_str_eq(rsc->type, dup->type)) {
crm_warn("Can't add, RSC '%s' already present in the rsc list (%d active resources)",
rsc->rsc_id, g_hash_table_size(rsc_list));
free_rsc(rsc);
return rc;
}
g_hash_table_replace(rsc_list, rsc->rsc_id, rsc);
crm_info("Added '%s' to the rsc list (%d active resources)",
rsc->rsc_id, g_hash_table_size(rsc_list));
return rc;
}
static void
process_lrmd_get_rsc_info(lrmd_client_t * client, xmlNode * request)
{
int rc = pcmk_ok;
int send_rc = 0;
int call_id = 0;
xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
xmlNode *reply = NULL;
lrmd_rsc_t *rsc = NULL;
crm_element_value_int(request, F_LRMD_CALLID, &call_id);
if (!rsc_id) {
rc = -ENODEV;
goto get_rsc_done;
}
if (!(rsc = g_hash_table_lookup(rsc_list, rsc_id))) {
crm_info("Resource '%s' not found (%d active resources)",
rsc_id, g_hash_table_size(rsc_list));
rc = -ENODEV;
goto get_rsc_done;
}
get_rsc_done:
reply = create_xml_node(NULL, T_LRMD_REPLY);
crm_xml_add(reply, F_LRMD_ORIGIN, __FUNCTION__);
crm_xml_add_int(reply, F_LRMD_RC, rc);
crm_xml_add_int(reply, F_LRMD_CALLID, call_id);
if (rsc) {
crm_xml_add(reply, F_LRMD_RSC_ID, rsc->rsc_id);
crm_xml_add(reply, F_LRMD_CLASS, rsc->class);
crm_xml_add(reply, F_LRMD_PROVIDER, rsc->provider);
crm_xml_add(reply, F_LRMD_TYPE, rsc->type);
}
send_rc = crm_ipcs_send(client->channel, reply, FALSE);
if (send_rc < 0) {
crm_warn("LRMD reply to %s failed: %d", client->name, send_rc);
}
free_xml(reply);
}
static int
process_lrmd_rsc_unregister(lrmd_client_t * client, xmlNode * request)
{
int rc = pcmk_ok;
lrmd_rsc_t *rsc = NULL;
xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
if (!rsc_id) {
return -ENODEV;
}
if (!(rsc = g_hash_table_lookup(rsc_list, rsc_id))) {
crm_info("Resource '%s' not found (%d active resources)",
rsc_id, g_hash_table_size(rsc_list));
return pcmk_ok;
}
if (rsc->active) {
/* let the caller know there are still active ops on this rsc to watch for */
crm_trace("Operation still in progress: %p", rsc->active);
rc = -EINPROGRESS;
}
g_hash_table_remove(rsc_list, rsc_id);
return rc;
}
static int
process_lrmd_rsc_exec(lrmd_client_t * client, xmlNode * request)
{
lrmd_rsc_t *rsc = NULL;
lrmd_cmd_t *cmd = NULL;
xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
if (!rsc_id) {
return -EINVAL;
}
if (!(rsc = g_hash_table_lookup(rsc_list, rsc_id))) {
crm_info("Resource '%s' not found (%d active resources)",
rsc_id, g_hash_table_size(rsc_list));
return -ENODEV;
}
cmd = create_lrmd_cmd(request, client);
schedule_lrmd_cmd(rsc, cmd);
return cmd->call_id;
}
static int
cancel_op(const char *rsc_id, const char *action, int interval)
{
GListPtr gIter = NULL;
lrmd_rsc_t *rsc = g_hash_table_lookup(rsc_list, rsc_id);
/* How to cancel an action.
* 1. Check pending ops list, if it hasn't been handed off
* to the service library or stonith recurring list remove
* it there and that will stop it.
* 2. If it isn't in the pending ops list, then its either a
* recurring op in the stonith recurring list, or the service
* library's recurring list. Stop it there
* 3. If not found in any lists, then this operation has either
* been executed already and is not a recurring operation, or
* never existed.
*/
if (!rsc) {
return -ENODEV;
}
for (gIter = rsc->pending_ops; gIter != NULL; gIter = gIter->next) {
lrmd_cmd_t *cmd = gIter->data;
if (safe_str_eq(cmd->action, action) && cmd->interval == interval) {
cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
cmd_finalize(cmd, rsc);
return pcmk_ok;
}
}
if (safe_str_eq(rsc->class, "stonith")) {
/* The service library does not handle stonith operations.
* We have to handle recurring stonith opereations ourselves. */
for (gIter = rsc->recurring_ops; gIter != NULL; gIter = gIter->next) {
lrmd_cmd_t *cmd = gIter->data;
if (safe_str_eq(cmd->action, action) && cmd->interval == interval) {
cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
cmd_finalize(cmd, rsc);
return pcmk_ok;
}
}
} else if (services_action_cancel(rsc_id, normalize_action_name(rsc, action), interval) == TRUE) {
/* The service library will tell the action_complete callback function
* this action was cancelled, which will destroy the cmd and remove
* it from the recurring_op list. Do not do that in this function
* if the service library says it cancelled it. */
return pcmk_ok;
}
return -EOPNOTSUPP;
}
static int
process_lrmd_rsc_cancel(lrmd_client_t * client, xmlNode * request)
{
xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
const char *action = crm_element_value(rsc_xml, F_LRMD_RSC_ACTION);
int interval = 0;
crm_element_value_int(rsc_xml, F_LRMD_RSC_INTERVAL, &interval);
if (!rsc_id || !action) {
return -EINVAL;
}
return cancel_op(rsc_id, action, interval);
}
void
process_lrmd_message(lrmd_client_t * client, xmlNode * request)
{
int rc = pcmk_ok;
int call_id = 0;
const char *op = crm_element_value(request, F_LRMD_OPERATION);
int do_reply = 0;
int do_notify = 0;
int exit = 0;
crm_trace("Processing %s operation from %s", op, client->id);
crm_element_value_int(request, F_LRMD_CALLID, &call_id);
if (crm_str_eq(op, CRM_OP_REGISTER, TRUE)) {
rc = process_lrmd_signon(client, request);
} else if (crm_str_eq(op, LRMD_OP_RSC_REG, TRUE)) {
rc = process_lrmd_rsc_register(client, request);
do_notify = 1;
do_reply = 1;
} else if (crm_str_eq(op, LRMD_OP_RSC_INFO, TRUE)) {
process_lrmd_get_rsc_info(client, request);
} else if (crm_str_eq(op, LRMD_OP_RSC_UNREG, TRUE)) {
rc = process_lrmd_rsc_unregister(client, request);
/* don't notify anyone about failed un-registers */
if (rc == pcmk_ok || rc == -EINPROGRESS) {
do_notify = 1;
}
do_reply = 1;
} else if (crm_str_eq(op, LRMD_OP_RSC_EXEC, TRUE)) {
rc = process_lrmd_rsc_exec(client, request);
do_reply = 1;
} else if (crm_str_eq(op, LRMD_OP_RSC_CANCEL, TRUE)) {
rc = process_lrmd_rsc_cancel(client, request);
do_reply = 1;
} else if (crm_str_eq(op, CRM_OP_QUIT, TRUE)) {
do_reply = 1;
exit = 1;
} else {
rc = -EOPNOTSUPP;
do_reply = 1;
crm_err("Unknown %s from %s", op, client->name);
crm_log_xml_warn(request, "UnknownOp");
}
crm_debug("Processed %s operation from %s: rc=%d, reply=%d, notify=%d, exit=%d",
op, client->id, rc, do_reply, do_notify, exit);
if (do_reply) {
send_reply(client, rc, call_id);
}
if (do_notify) {
send_generic_notify(rc, request);
}
if (exit) {
lrmd_shutdown(0);
}
}

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