/*!
* \internal
* \brief Clean up and exit immediately
*
* \param[in] data Ignored
*
* \return Doesn't return
* \note This can be used as a timer callback.
*/
static gboolean
lrmd_exit(gpointer data)
{
crm_info("Terminating with %d clients",
crm_hash_table_size(client_connections));
if (stonith_api) {
stonith_api->cmds->remove_notification(stonith_api, T_STONITH_NOTIFY_DISCONNECT);
stonith_api->cmds->disconnect(stonith_api);
stonith_api_delete(stonith_api);
}
if (ipcs) {
mainloop_del_ipc_server(ipcs);
}
#ifdef ENABLE_PCMK_REMOTE
lrmd_tls_server_destroy();
ipc_proxy_cleanup();
#endif
crm_client_cleanup();
g_hash_table_destroy(rsc_list);
if (mainloop) {
lrmd_drain_alerts(g_main_loop_get_context(mainloop));
}
crm_exit(pcmk_ok);
return FALSE;
}
void
lrmd_shutdown(int nsig)
{
crm_info("Terminating with %d clients", crm_hash_table_size(client_connections));
if (ipcs) {
mainloop_del_ipc_server(ipcs);
}
crm_exit(pcmk_ok);
}
void
pengine_shutdown(int nsig)
{
mainloop_del_ipc_server(ipcs);
exit(EX_OK);
}
int
main(int argc, char **argv)
{
int rc = 0;
int flag = 0;
int index = 0;
#ifdef ENABLE_PCMK_REMOTE
crm_log_init("pacemaker_remoted", LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
crm_set_options(NULL, "[options]", long_options,
"Daemon for controlling services confirming to different standards");
#else
crm_log_init("lrmd", LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
crm_set_options(NULL, "[options]", long_options,
"Pacemaker Remote daemon for extending pacemaker functionality to remote nodes.");
#endif
while (1) {
flag = crm_get_option(argc, argv, &index);
if (flag == -1) {
break;
}
switch (flag) {
case 'r':
break;
case 'l':
crm_add_logfile(optarg);
break;
case 'V':
crm_bump_log_level(argc, argv);
break;
case '?':
case '$':
crm_help(flag, EX_OK);
break;
default:
crm_help('?', EX_USAGE);
break;
}
}
/* Used by RAs - Leave owned by root */
crm_build_path(CRM_RSCTMP_DIR, 0755);
/* Legacy: Used by RAs - Leave owned by root */
crm_build_path(HA_STATE_DIR"/heartbeat/rsctmp", 0755);
rsc_list = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free_rsc);
ipcs = mainloop_add_ipc_server(CRM_SYSTEM_LRMD, QB_IPC_SHM, &lrmd_ipc_callbacks);
if (ipcs == NULL) {
crm_err("Failed to create IPC server: shutting down and inhibiting respawn");
crm_exit(DAEMON_RESPAWN_STOP);
}
#ifdef ENABLE_PCMK_REMOTE
{
const char *remote_port_str = getenv("PCMK_remote_port");
int remote_port = remote_port_str ? atoi(remote_port_str) : DEFAULT_REMOTE_PORT;
if (lrmd_init_remote_tls_server(remote_port) < 0) {
crm_err("Failed to create TLS server on port %d: shutting down and inhibiting respawn", remote_port);
crm_exit(DAEMON_RESPAWN_STOP);
}
ipc_proxy_init();
}
#endif
mainloop_add_signal(SIGTERM, lrmd_shutdown);
mainloop = g_main_new(FALSE);
crm_info("Starting");
g_main_run(mainloop);
mainloop_del_ipc_server(ipcs);
#ifdef ENABLE_PCMK_REMOTE
lrmd_tls_server_destroy();
ipc_proxy_cleanup();
#endif
crm_client_cleanup();
g_hash_table_destroy(rsc_list);
if (stonith_api) {
stonith_api->cmds->disconnect(stonith_api);
stonith_api_delete(stonith_api);
}
return rc;
}
int
main(int argc, char **argv)
{
int rc = 0;
int flag = 0;
int index = 0;
crm_log_init("lrmd", LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
crm_set_options(NULL, "[options]", long_options,
"Daemon for controlling services confirming to different standards");
while (1) {
flag = crm_get_option(argc, argv, &index);
if (flag == -1) {
break;
}
switch (flag) {
case 'l':
crm_add_logfile(optarg);
break;
case 't':
enable_remote = TRUE;
break;
case 'p':
remote_port = atoi(optarg);
case 'V':
set_crm_log_level(crm_log_level + 1);
break;
case '?':
case '$':
crm_help(flag, EX_OK);
break;
default:
crm_help('?', EX_USAGE);
break;
}
}
if (enable_remote && !remote_port) {
remote_port = DEFAULT_REMOTE_PORT;
}
rsc_list = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free_rsc);
ipcs = mainloop_add_ipc_server(CRM_SYSTEM_LRMD, QB_IPC_SHM, &lrmd_ipc_callbacks);
if (ipcs == NULL) {
crm_err("Failed to create IPC server: shutting down and inhibiting respawn");
crm_exit(100);
}
if (enable_remote) {
#ifdef HAVE_GNUTLS_GNUTLS_H
if (lrmd_init_remote_tls_server(remote_port) < 0) {
crm_err("Failed to create TLS server: shutting down and inhibiting respawn");
crm_exit(100);
}
ipc_proxy_init();
#else
crm_err("GNUTLS not enabled in this build, can not establish remote server");
crm_exit(100);
#endif
}
mainloop_add_signal(SIGTERM, lrmd_shutdown);
mainloop = g_main_new(FALSE);
crm_info("Starting");
g_main_run(mainloop);
mainloop_del_ipc_server(ipcs);
if (enable_remote) {
#ifdef HAVE_GNUTLS_GNUTLS_H
lrmd_tls_server_destroy();
ipc_proxy_cleanup();
#endif
}
crm_client_cleanup();
g_hash_table_destroy(rsc_list);
if (stonith_api) {
stonith_api->cmds->disconnect(stonith_api);
stonith_api_delete(stonith_api);
}
return rc;
}
int
main(int argc, char **argv)
{
int rc;
int flag;
int argerr = 0;
int option_index = 0;
gboolean shutdown = FALSE;
uid_t pcmk_uid = 0;
gid_t pcmk_gid = 0;
struct rlimit cores;
crm_ipc_t *old_instance = NULL;
qb_ipcs_service_t *ipcs = NULL;
const char *facility = daemon_option("logfacility");
static crm_cluster_t cluster;
crm_log_preinit(NULL, argc, argv);
crm_set_options(NULL, "mode [options]", long_options, "Start/Stop Pacemaker\n");
mainloop_add_signal(SIGHUP, pcmk_ignore);
mainloop_add_signal(SIGQUIT, pcmk_sigquit);
while (1) {
flag = crm_get_option(argc, argv, &option_index);
if (flag == -1)
break;
switch (flag) {
case 'V':
crm_bump_log_level(argc, argv);
break;
case 'f':
/* Legacy */
break;
case 'p':
pid_file = optarg;
break;
case '$':
case '?':
crm_help(flag, EX_OK);
break;
case 'S':
shutdown = TRUE;
break;
case 'F':
printf("Pacemaker %s (Build: %s)\n Supporting v%s: %s\n", PACEMAKER_VERSION, BUILD_VERSION,
CRM_FEATURE_SET, CRM_FEATURES);
crm_exit(pcmk_ok);
default:
printf("Argument code 0%o (%c) is not (?yet?) supported\n", flag, flag);
++argerr;
break;
}
}
if (optind < argc) {
printf("non-option ARGV-elements: ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\n");
}
if (argerr) {
crm_help('?', EX_USAGE);
}
setenv("LC_ALL", "C", 1);
setenv("HA_LOGD", "no", 1);
set_daemon_option("mcp", "true");
set_daemon_option("use_logd", "off");
crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
/* Restore the original facility so that mcp_read_config() does the right thing */
set_daemon_option("logfacility", facility);
crm_debug("Checking for old instances of %s", CRM_SYSTEM_MCP);
old_instance = crm_ipc_new(CRM_SYSTEM_MCP, 0);
crm_ipc_connect(old_instance);
if (shutdown) {
crm_debug("Terminating previous instance");
while (crm_ipc_connected(old_instance)) {
xmlNode *cmd =
create_request(CRM_OP_QUIT, NULL, NULL, CRM_SYSTEM_MCP, CRM_SYSTEM_MCP, NULL);
crm_debug(".");
crm_ipc_send(old_instance, cmd, 0, 0, NULL);
free_xml(cmd);
sleep(2);
}
crm_ipc_close(old_instance);
crm_ipc_destroy(old_instance);
crm_exit(pcmk_ok);
} else if (crm_ipc_connected(old_instance)) {
crm_ipc_close(old_instance);
crm_ipc_destroy(old_instance);
crm_err("Pacemaker is already active, aborting startup");
crm_exit(DAEMON_RESPAWN_STOP);
}
crm_ipc_close(old_instance);
crm_ipc_destroy(old_instance);
if (mcp_read_config() == FALSE) {
crm_notice("Could not obtain corosync config data, exiting");
crm_exit(ENODATA);
}
crm_notice("Starting Pacemaker %s (Build: %s): %s", PACEMAKER_VERSION, BUILD_VERSION, CRM_FEATURES);
mainloop = g_main_new(FALSE);
sysrq_init();
rc = getrlimit(RLIMIT_CORE, &cores);
if (rc < 0) {
crm_perror(LOG_ERR, "Cannot determine current maximum core size.");
} else {
if (cores.rlim_max == 0 && geteuid() == 0) {
cores.rlim_max = RLIM_INFINITY;
} else {
crm_info("Maximum core file size is: %lu", (unsigned long)cores.rlim_max);
}
cores.rlim_cur = cores.rlim_max;
rc = setrlimit(RLIMIT_CORE, &cores);
if (rc < 0) {
crm_perror(LOG_ERR,
"Core file generation will remain disabled."
" Core files are an important diagnositic tool,"
" please consider enabling them by default.");
}
#if 0
/* system() is not thread-safe, can't call from here
* Actually, its a pretty hacky way to try and achieve this anyway
*/
if (system("echo 1 > /proc/sys/kernel/core_uses_pid") != 0) {
crm_perror(LOG_ERR, "Could not enable /proc/sys/kernel/core_uses_pid");
}
#endif
}
rc = pcmk_ok;
if (crm_user_lookup(CRM_DAEMON_USER, &pcmk_uid, &pcmk_gid) < 0) {
crm_err("Cluster user %s does not exist, aborting Pacemaker startup", CRM_DAEMON_USER);
crm_exit(ENOKEY);
}
mkdir(CRM_STATE_DIR, 0750);
mcp_chown(CRM_STATE_DIR, pcmk_uid, pcmk_gid);
/* Used to store core files in */
crm_build_path(CRM_CORE_DIR, 0775);
mcp_chown(CRM_CORE_DIR, pcmk_uid, pcmk_gid);
/* Used to store blackbox dumps in */
crm_build_path(CRM_BLACKBOX_DIR, 0755);
mcp_chown(CRM_BLACKBOX_DIR, pcmk_uid, pcmk_gid);
/* Used to store policy engine inputs in */
crm_build_path(PE_STATE_DIR, 0755);
mcp_chown(PE_STATE_DIR, pcmk_uid, pcmk_gid);
/* Used to store the cluster configuration */
crm_build_path(CRM_CONFIG_DIR, 0755);
mcp_chown(CRM_CONFIG_DIR, pcmk_uid, pcmk_gid);
/* Resource agent paths are constructed by the lrmd */
ipcs = mainloop_add_ipc_server(CRM_SYSTEM_MCP, QB_IPC_NATIVE, &mcp_ipc_callbacks);
if (ipcs == NULL) {
crm_err("Couldn't start IPC server");
crm_exit(EIO);
}
/* Allows us to block shutdown */
if (cluster_connect_cfg(&local_nodeid) == FALSE) {
crm_err("Couldn't connect to Corosync's CFG service");
crm_exit(ENOPROTOOPT);
}
if(pcmk_locate_sbd() > 0) {
setenv("PCMK_watchdog", "true", 1);
} else {
setenv("PCMK_watchdog", "false", 1);
}
find_and_track_existing_processes();
cluster.destroy = mcp_cpg_destroy;
cluster.cpg.cpg_deliver_fn = mcp_cpg_deliver;
cluster.cpg.cpg_confchg_fn = mcp_cpg_membership;
crm_set_autoreap(FALSE);
if(cluster_connect_cpg(&cluster) == FALSE) {
crm_err("Couldn't connect to Corosync's CPG service");
rc = -ENOPROTOOPT;
}
if (rc == pcmk_ok && is_corosync_cluster()) {
/* Keep the membership list up-to-date for crm_node to query */
if(cluster_connect_quorum(mcp_quorum_callback, mcp_quorum_destroy) == FALSE) {
rc = -ENOTCONN;
}
}
#if SUPPORT_CMAN
if (rc == pcmk_ok && is_cman_cluster()) {
init_cman_connection(mcp_cman_dispatch, mcp_cman_destroy);
}
#endif
if(rc == pcmk_ok) {
local_name = get_local_node_name();
update_node_processes(local_nodeid, local_name, get_process_list());
mainloop_add_signal(SIGTERM, pcmk_shutdown);
mainloop_add_signal(SIGINT, pcmk_shutdown);
init_children_processes();
crm_info("Starting mainloop");
g_main_run(mainloop);
}
if (ipcs) {
crm_trace("Closing IPC server");
mainloop_del_ipc_server(ipcs);
ipcs = NULL;
}
g_main_destroy(mainloop);
cluster_disconnect_cpg(&cluster);
cluster_disconnect_cfg();
crm_info("Exiting %s", crm_system_name);
return crm_exit(rc);
}
void
pengine_shutdown(int nsig)
{
mainloop_del_ipc_server(ipcs);
crm_exit(pcmk_ok);
}
