diff --git a/tools/crmadmin.c b/tools/crmadmin.c index 2d9d663a5b..78accd87e7 100644 --- a/tools/crmadmin.c +++ b/tools/crmadmin.c @@ -1,305 +1,298 @@ /* * Copyright 2004-2020 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include // atoi() #include // gboolean, GMainLoop, etc. #include // xmlNode #include #include #include #define SUMMARY "query and manage the Pacemaker controller" static enum { cmd_none, cmd_shutdown, cmd_health, cmd_elect_dc, cmd_whois_dc, cmd_list_nodes, cmd_pacemakerd_health, } command = cmd_none; struct { gboolean health; gint timeout; char *dest_node; char *ipc_name; gboolean BASH_EXPORT; } options = { .dest_node = NULL, .ipc_name = NULL, .BASH_EXPORT = FALSE }; gboolean command_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error); static GOptionEntry command_options[] = { { "status", 'S', 0, G_OPTION_ARG_CALLBACK, command_cb, "Display the status of the specified node." "\n Result is state of node's internal finite state" "\n machine, which can be useful for debugging", NULL }, { "pacemakerd", 'P', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Display the status of local pacemakerd." "\n Result is the state of the sub-daemons watched" "\n by pacemakerd.", NULL }, { "dc_lookup", 'D', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Display the uname of the node co-ordinating the cluster." "\n This is an internal detail rarely useful to" "\n administrators except when deciding on which" "\n node to examine the logs.", NULL }, { "nodes", 'N', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Display the uname of all member nodes", NULL }, { "election", 'E', G_OPTION_FLAG_HIDDEN|G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Start an election for the cluster co-ordinator", NULL }, { "kill", 'K', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Stop controller (not rest of cluster stack) on specified node", NULL }, { "health", 'H', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &options.health, NULL, NULL }, { NULL } }; static GOptionEntry additional_options[] = { { "timeout", 't', 0, G_OPTION_ARG_INT, &options.timeout, "Time (in milliseconds) to wait before declaring the" "\n operation failed", NULL }, { "bash-export", 'B', 0, G_OPTION_ARG_NONE, &options.BASH_EXPORT, "Display nodes as shell commands of the form 'export uname=uuid'" "\n (valid with -N/--nodes)", }, { "ipc-name", 'i', 0, G_OPTION_ARG_STRING, &options.ipc_name, "Name to use for ipc instead of 'crmadmin' (with -P/--pacemakerd).", NULL }, { NULL } }; gboolean command_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { if (!strcmp(option_name, "--status") || !strcmp(option_name, "-S")) { command = cmd_health; crm_trace("Option %c => %s", 'S', optarg); } if (!strcmp(option_name, "--pacemakerd") || !strcmp(option_name, "-P")) { command = cmd_pacemakerd_health; } if (!strcmp(option_name, "--dc_lookup") || !strcmp(option_name, "-D")) { command = cmd_whois_dc; } if (!strcmp(option_name, "--nodes") || !strcmp(option_name, "-N")) { command = cmd_list_nodes; } if (!strcmp(option_name, "--election") || !strcmp(option_name, "-E")) { command = cmd_elect_dc; } if (!strcmp(option_name, "--kill") || !strcmp(option_name, "-K")) { command = cmd_shutdown; crm_trace("Option %c => %s", 'K', optarg); } if (optarg) { if (options.dest_node != NULL) { free(options.dest_node); } options.dest_node = strdup(optarg); } return TRUE; } static pcmk__supported_format_t formats[] = { PCMK__SUPPORTED_FORMAT_TEXT, PCMK__SUPPORTED_FORMAT_XML, { NULL, NULL, NULL } }; static GOptionContext * build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) { GOptionContext *context = NULL; const char *description = "Report bugs to users@clusterlabs.org"; GOptionEntry extra_prog_entries[] = { { "quiet", 'q', 0, G_OPTION_ARG_NONE, &(args->quiet), "Display only the essential query information", NULL }, { NULL } }; context = pcmk__build_arg_context(args, "text (default), xml", group, NULL); g_option_context_set_description(context, description); /* Add the -q option, which cannot be part of the globally supported options * because some tools use that flag for something else. */ pcmk__add_main_args(context, extra_prog_entries); pcmk__add_arg_group(context, "command", "Commands:", "Show command options", command_options); pcmk__add_arg_group(context, "additional", "Additional Options:", "Show additional options", additional_options); return context; } int main(int argc, char **argv) { pcmk__output_t *out = NULL; crm_exit_t exit_code = CRM_EX_OK; int rc; int argerr = 0; - pcmk_ipc_api_t *controld_api = NULL; pcmk__common_args_t *args = pcmk__new_common_args(SUMMARY); GError *error = NULL; GOptionContext *context = NULL; GOptionGroup *output_group = NULL; gchar **processed_args = NULL; context = build_arg_context(args, &output_group); pcmk__register_formats(output_group, formats); crm_log_cli_init("crmadmin"); processed_args = pcmk__cmdline_preproc(argv, "itBDEHKNPS"); if (!g_option_context_parse_strv(context, &processed_args, &error)) { fprintf(stderr, "%s: %s\n", g_get_prgname(), error->message); exit_code = CRM_EX_USAGE; goto done; } for (int i = 0; i < args->verbosity; i++) { crm_bump_log_level(argc, argv); } rc = pcmk__output_new(&out, args->output_ty, args->output_dest, argv); if (rc != pcmk_rc_ok) { fprintf(stderr, "Error creating output format %s: %s\n", args->output_ty, pcmk_rc_str(rc)); exit_code = CRM_EX_ERROR; goto done; } out->quiet = args->quiet; pcmk__register_lib_messages(out); if (!pcmk__force_args(context, &error, "%s --xml-simple-list --xml-substitute", g_get_prgname())) { goto done; } if (args->version) { out->version(out, false); goto done; } if (options.health) { out->err(out, "Cluster-wide health option not supported"); ++argerr; } if (optind > argc) { ++argerr; } if (command == cmd_none) { out->err(out, "error: Must specify a command option"); ++argerr; } if (argerr) { char *help = g_option_context_get_help(context, TRUE, NULL); out->err(out, "%s", help); g_free(help); exit_code = CRM_EX_USAGE; goto done; } switch (command) { case cmd_health: rc = pcmk__controller_status(out, options.dest_node, options.timeout); break; case cmd_pacemakerd_health: rc = pcmk__pacemakerd_status(out, options.ipc_name, options.timeout); break; case cmd_list_nodes: rc = pcmk__list_nodes(out, options.BASH_EXPORT); break; case cmd_whois_dc: rc = pcmk__designated_controller(out, options.timeout); break; case cmd_shutdown: rc = pcmk__shutdown_controller(out, options.dest_node); break; case cmd_elect_dc: rc = pcmk__start_election(out); break; case cmd_none: rc = pcmk_rc_error; break; } if (rc != pcmk_rc_ok) { out->err(out, "error: Command failed: %s", pcmk_rc_str(rc)); exit_code = pcmk_rc2exitc(rc); } done: - if (controld_api != NULL) { - pcmk_ipc_api_t *capi = controld_api; - controld_api = NULL; // Ensure we can't free this twice - pcmk_free_ipc_api(capi); - } - g_strfreev(processed_args); g_clear_error(&error); pcmk__free_arg_context(context); if (out != NULL) { out->finish(out, exit_code, true, NULL); pcmk__output_free(out); } return crm_exit(exit_code); }