void
te_trigger_stonith_history_sync(void)
{
/* trigger a sync in 5s to give more nodes the
* chance to show up so that we don't create
* unnecessary stonith-history-sync traffic
*/
/* as we are finally checking the stonith-connection
* in do_stonith_history_sync we should be fine
* leaving stonith_history_sync_time & stonith_history_sync_trigger
* around
*/
if (stonith_history_sync_trigger == NULL) {
stonith_history_sync_trigger =
mainloop_add_trigger(G_PRIORITY_LOW,
do_stonith_history_sync, NULL);
}
if(stonith_history_sync_timer == NULL) {
stonith_history_sync_timer =
mainloop_timer_add("history_sync", 5000,
FALSE, stonith_history_sync_set_trigger,
NULL);
}
crm_info("Fence history will be synchronized cluster-wide within 5 seconds");
mainloop_timer_start(stonith_history_sync_timer);
}
void
pcmk_shutdown(int nsig)
{
if (shutdown_trigger == NULL) {
shutdown_trigger = mainloop_add_trigger(G_PRIORITY_HIGH, pcmk_shutdown_worker, NULL);
}
mainloop_set_trigger(shutdown_trigger);
}
static void
mainloop_tests(void)
{
trig = mainloop_add_trigger(G_PRIORITY_HIGH, trigger_iterate_mainloop_tests, NULL);
mainloop_set_trigger(trig);
mainloop_add_signal(SIGTERM, test_shutdown);
crm_info("Starting");
mainloop = g_main_new(FALSE);
g_main_run(mainloop);
}
static void
crm_diff_update(const char *event, xmlNode * msg)
{
int rc = -1;
const char *op = NULL;
long now = time(NULL);
static int updates = 0;
static mainloop_timer_t *refresh_timer = NULL;
if(refresh_timer == NULL) {
refresh_timer = mainloop_timer_add("refresh", 2000, FALSE, mon_trigger_refresh, NULL);
refresh_trigger = mainloop_add_trigger(G_PRIORITY_LOW, mon_refresh_state, refresh_timer);
}
if (current_cib != NULL) {
xmlNode *cib_last = current_cib;
current_cib = NULL;
rc = cib_apply_patch_event(msg, cib_last, ¤t_cib, LOG_DEBUG);
free_xml(cib_last);
switch(rc) {
case -pcmk_err_diff_resync:
case -pcmk_err_diff_failed:
crm_warn("[%s] %s Patch aborted: %s (%d)", event, op, pcmk_strerror(rc), rc);
break;
case pcmk_ok:
updates++;
break;
default:
crm_notice("[%s] %s ABORTED: %s (%d)", event, op, pcmk_strerror(rc), rc);
break;
}
}
if (current_cib == NULL) {
current_cib = get_cib_copy(cib);
}
/* Refresh
* - immediately if the last update was more than 5s ago
* - every 10 updates
* - at most 2s after the last update
*/
if (updates > 10 || (now - last_refresh) > (reconnect_msec / 1000)) {
mon_refresh_state(refresh_timer);
updates = 0;
} else {
mainloop_set_trigger(refresh_trigger);
mainloop_timer_start(refresh_timer);
}
}
/*!
* \internal
* \brief Prepare the CIB after cluster is connected
*/
static void
attrd_cib_init()
{
// We have no attribute values in memory, wipe the CIB to match
attrd_erase_attrs();
// Set a trigger for reading the CIB (for the alerts section)
attrd_config_read = mainloop_add_trigger(G_PRIORITY_HIGH, attrd_read_options, NULL);
// Always read the CIB at start-up
mainloop_set_trigger(attrd_config_read);
}
static int
mainloop_fencing(stonith_t * st, const char *target, const char *action, int timeout, int tolerance)
{
crm_trigger_t *trig;
async_fence_data.st = st;
async_fence_data.target = target;
async_fence_data.action = action;
async_fence_data.timeout = timeout;
async_fence_data.tolerance = tolerance;
async_fence_data.rc = -1;
trig = mainloop_add_trigger(G_PRIORITY_HIGH, async_fence_helper, NULL);
mainloop_set_trigger(trig);
mainloop = g_main_new(FALSE);
g_main_run(mainloop);
return async_fence_data.rc;
}
int
main(int argc, char **argv)
{
int flag;
int rc = 0;
int index = 0;
int argerr = 0;
struct passwd *pwentry = NULL;
crm_log_preinit(NULL, argc, argv);
crm_set_options(NULL, "[options]",
long_options, "Daemon for storing and replicating the cluster configuration");
crm_peer_init();
mainloop_add_signal(SIGTERM, cib_shutdown);
mainloop_add_signal(SIGPIPE, cib_enable_writes);
cib_writer = mainloop_add_trigger(G_PRIORITY_LOW, write_cib_contents, NULL);
while (1) {
flag = crm_get_option(argc, argv, &index);
if (flag == -1)
break;
switch (flag) {
case 'V':
crm_bump_log_level(argc, argv);
break;
case 's':
stand_alone = TRUE;
preserve_status = TRUE;
cib_writes_enabled = FALSE;
pwentry = getpwnam(CRM_DAEMON_USER);
CRM_CHECK(pwentry != NULL,
crm_perror(LOG_ERR, "Invalid uid (%s) specified", CRM_DAEMON_USER);
return CRM_EX_FATAL);
rc = setgid(pwentry->pw_gid);
if (rc < 0) {
crm_perror(LOG_ERR, "Could not set group to %d", pwentry->pw_gid);
return CRM_EX_FATAL;
}
rc = initgroups(CRM_DAEMON_USER, pwentry->pw_gid);
if (rc < 0) {
crm_perror(LOG_ERR, "Could not setup groups for user %d", pwentry->pw_uid);
return CRM_EX_FATAL;
}
rc = setuid(pwentry->pw_uid);
if (rc < 0) {
crm_perror(LOG_ERR, "Could not set user to %d", pwentry->pw_uid);
return CRM_EX_FATAL;
}
break;
case '?': /* Help message */
crm_help(flag, CRM_EX_OK);
break;
case 'w':
cib_writes_enabled = TRUE;
break;
case 'r':
cib_root = optarg;
break;
case 'm':
cib_metadata();
return CRM_EX_OK;
default:
++argerr;
break;
}
}
if (argc - optind == 1 && safe_str_eq("metadata", argv[optind])) {
cib_metadata();
return CRM_EX_OK;
}
if (optind > argc) {
++argerr;
}
if (argerr) {
crm_help('?', CRM_EX_USAGE);
}
crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
if (cib_root == NULL) {
cib_root = CRM_CONFIG_DIR;
} else {
crm_notice("Using custom config location: %s", cib_root);
}
if (pcmk__daemon_can_write(cib_root, NULL) == FALSE) {
crm_err("Terminating due to bad permissions on %s", cib_root);
fprintf(stderr, "ERROR: Bad permissions on %s (see logs for details)\n",
cib_root);
fflush(stderr);
return CRM_EX_FATAL;
}
/* read local config file */
cib_init();
// This should not be reachable
CRM_CHECK(crm_hash_table_size(client_connections) == 0,
crm_warn("Not all clients gone at exit"));
g_hash_table_foreach(client_connections, log_cib_client, NULL);
cib_cleanup();
crm_info("Done");
return CRM_EX_OK;
}
/* A_TE_START, A_TE_STOP, A_TE_RESTART */
void
do_te_control(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input,
fsa_data_t *msg_data)
{
int dummy;
gboolean init_ok = TRUE;
cl_uuid_t new_uuid;
char uuid_str[UU_UNPARSE_SIZEOF];
if(action & A_TE_STOP) {
if(transition_graph) {
destroy_graph(transition_graph);
transition_graph = NULL;
}
if(fsa_cib_conn && cib_ok != fsa_cib_conn->cmds->del_notify_callback(
fsa_cib_conn, T_CIB_DIFF_NOTIFY, te_update_diff)) {
crm_err("Could not unset CIB notification callback");
}
clear_bit_inplace(fsa_input_register, te_subsystem->flag_connected);
crm_info("Transitioner is now inactive");
if(stonith_src) {
GCHSource *source = stonith_src;
crm_info("Disconnecting STONITH...");
stonith_src = NULL; /* so that we don't try to reconnect */
G_main_del_IPC_Channel(source);
stonithd_signoff();
}
}
if((action & A_TE_START) == 0) {
return;
} else if(is_set(fsa_input_register, te_subsystem->flag_connected)) {
crm_debug("The transitioner is already active");
return;
} else if((action & A_TE_START) && cur_state == S_STOPPING) {
crm_info("Ignoring request to start %s while shutting down",
te_subsystem->name);
return;
}
cl_uuid_generate(&new_uuid);
cl_uuid_unparse(&new_uuid, uuid_str);
te_uuid = crm_strdup(uuid_str);
crm_info("Registering TE UUID: %s", te_uuid);
if(transition_trigger == NULL) {
transition_trigger = mainloop_add_trigger(
G_PRIORITY_LOW, te_graph_trigger, NULL);
}
if(stonith_reconnect == NULL) {
stonith_reconnect = mainloop_add_trigger(
G_PRIORITY_LOW, te_connect_stonith, &dummy);
}
if(cib_ok != fsa_cib_conn->cmds->add_notify_callback(
fsa_cib_conn, T_CIB_DIFF_NOTIFY, te_update_diff)) {
crm_err("Could not set CIB notification callback");
init_ok = FALSE;
}
if(cib_ok != fsa_cib_conn->cmds->set_op_callback(fsa_cib_conn, global_cib_callback)) {
crm_err("Could not set CIB global callback");
init_ok = FALSE;
}
if(init_ok) {
mainloop_set_trigger(stonith_reconnect);
set_graph_functions(&te_graph_fns);
if(transition_graph) {
destroy_graph(transition_graph);
}
/* create a blank one */
crm_debug("Transitioner is now active");
transition_graph = create_blank_graph();
set_bit_inplace(fsa_input_register, te_subsystem->flag_connected);
}
}
/* A_TE_START, A_TE_STOP, A_TE_RESTART */
void
do_te_control(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
gboolean init_ok = TRUE;
if (action & A_TE_STOP) {
if (transition_graph) {
destroy_graph(transition_graph);
transition_graph = NULL;
}
if (fsa_cib_conn) {
fsa_cib_conn->cmds->del_notify_callback(
fsa_cib_conn, T_CIB_DIFF_NOTIFY, te_update_diff);
}
clear_bit(fsa_input_register, te_subsystem->flag_connected);
crm_info("Transitioner is now inactive");
}
if ((action & A_TE_START) == 0) {
return;
} else if (is_set(fsa_input_register, te_subsystem->flag_connected)) {
crm_debug("The transitioner is already active");
return;
} else if ((action & A_TE_START) && cur_state == S_STOPPING) {
crm_info("Ignoring request to start %s while shutting down", te_subsystem->name);
return;
}
te_uuid = crm_generate_uuid();
crm_info("Registering TE UUID: %s", te_uuid);
if (transition_trigger == NULL) {
transition_trigger = mainloop_add_trigger(G_PRIORITY_LOW, te_graph_trigger, NULL);
}
if (pcmk_ok !=
fsa_cib_conn->cmds->add_notify_callback(fsa_cib_conn, T_CIB_DIFF_NOTIFY, te_update_diff)) {
crm_err("Could not set CIB notification callback");
init_ok = FALSE;
}
if (pcmk_ok != fsa_cib_conn->cmds->set_op_callback(fsa_cib_conn, global_cib_callback)) {
crm_err("Could not set CIB global callback");
init_ok = FALSE;
}
if (init_ok) {
set_graph_functions(&te_graph_fns);
if (transition_graph) {
destroy_graph(transition_graph);
}
/* create a blank one */
crm_debug("Transitioner is now active");
transition_graph = create_blank_graph();
set_bit(fsa_input_register, te_subsystem->flag_connected);
}
}
