/* A_DC_TAKEOVER */
void
do_dc_takeover(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 rc = pcmk_ok;
xmlNode *cib = NULL;
GListPtr gIter = NULL;
const char *cluster_type = name_for_cluster_type(get_cluster_type());
crm_info("Taking over DC status for this partition");
set_bit(fsa_input_register, R_THE_DC);
for (gIter = stonith_cleanup_list; gIter != NULL; gIter = gIter->next) {
char *target = gIter->data;
crm_node_t *target_node = crm_get_peer(0, target);
const char *uuid = crm_peer_uuid(target_node);
crm_notice("Marking %s, target of a previous stonith action, as clean", target);
send_stonith_update(NULL, target, uuid);
free(target);
}
g_list_free(stonith_cleanup_list);
stonith_cleanup_list = NULL;
#if SUPPORT_COROSYNC
if (is_classic_ais_cluster()) {
send_ais_text(crm_class_quorum, NULL, TRUE, NULL, crm_msg_ais);
}
#endif
if (voted != NULL) {
crm_trace("Destroying voted hash");
g_hash_table_destroy(voted);
voted = NULL;
}
set_bit(fsa_input_register, R_JOIN_OK);
set_bit(fsa_input_register, R_INVOKE_PE);
fsa_cib_conn->cmds->set_master(fsa_cib_conn, cib_scope_local);
cib = create_xml_node(NULL, XML_TAG_CIB);
crm_xml_add(cib, XML_ATTR_CRM_VERSION, CRM_FEATURE_SET);
fsa_cib_update(XML_TAG_CIB, cib, cib_quorum_override, rc, NULL);
fsa_register_cib_callback(rc, FALSE, NULL, feature_update_callback);
update_attr_delegate(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL,
"dc-version", VERSION "-" BUILD_VERSION, FALSE, NULL);
update_attr_delegate(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL,
"cluster-infrastructure", cluster_type, FALSE, NULL);
mainloop_set_trigger(config_read);
free_xml(cib);
}
static void
set_join_state(const char * start_state)
{
if (safe_str_eq(start_state, "standby")) {
crm_notice("Forcing node %s to join in %s state per configured environment",
fsa_our_uname, start_state);
update_attr_delegate(fsa_cib_conn, cib_sync_call, XML_CIB_TAG_NODES, fsa_our_uuid,
NULL, NULL, NULL, "standby", "on", TRUE, NULL, NULL);
} else if (safe_str_eq(start_state, "online")) {
crm_notice("Forcing node %s to join in %s state per configured environment",
fsa_our_uname, start_state);
update_attr_delegate(fsa_cib_conn, cib_sync_call, XML_CIB_TAG_NODES, fsa_our_uuid,
NULL, NULL, NULL, "standby", "off", TRUE, NULL, NULL);
} else if (safe_str_eq(start_state, "default")) {
crm_debug("Not forcing a starting state on node %s", fsa_our_uname);
} else {
crm_warn("Unrecognized start state '%s', using 'default' (%s)",
start_state, fsa_our_uname);
}
}
int
set_standby(cib_t * the_cib, const char *uuid, const char *scope, const char *standby_value)
{
int rc = pcmk_ok;
int str_length = 3;
char *attr_id = NULL;
char *set_name = NULL;
const char *attr_name = "standby";
CRM_CHECK(standby_value != NULL, return -EINVAL);
if (scope == NULL) {
scope = XML_CIB_TAG_NODES;
}
CRM_CHECK(uuid != NULL, return -EINVAL);
str_length += strlen(attr_name);
str_length += strlen(uuid);
if (safe_str_eq(scope, "reboot") || safe_str_eq(scope, XML_CIB_TAG_STATUS)) {
const char *extra = "transient";
scope = XML_CIB_TAG_STATUS;
str_length += strlen(extra);
attr_id = calloc(1, str_length);
sprintf(attr_id, "%s-%s-%s", extra, attr_name, uuid);
} else {
scope = XML_CIB_TAG_NODES;
attr_id = calloc(1, str_length);
sprintf(attr_id, "%s-%s", attr_name, uuid);
}
rc = update_attr_delegate(the_cib, cib_sync_call, scope, uuid, NULL, set_name,
attr_id, attr_name, standby_value, TRUE, NULL);
free(attr_id);
free(set_name);
return rc;
}
int
set_standby(cib_t * the_cib, const char *uuid, const char *scope, const char *standby_value)
{
int rc = pcmk_ok;
char *attr_id = NULL;
CRM_CHECK(uuid != NULL, return -EINVAL);
CRM_CHECK(standby_value != NULL, return -EINVAL);
if (safe_str_eq(scope, "reboot") || safe_str_eq(scope, XML_CIB_TAG_STATUS)) {
scope = XML_CIB_TAG_STATUS;
attr_id = crm_strdup_printf("transient-standby-%.256s", uuid);
} else {
scope = XML_CIB_TAG_NODES;
attr_id = crm_strdup_printf("standby-%.256s", uuid);
}
rc = update_attr_delegate(the_cib, cib_sync_call, scope, uuid, NULL, NULL,
attr_id, "standby", standby_value, TRUE, NULL, NULL);
free(attr_id);
return rc;
}
static void
crmd_cs_dispatch(cpg_handle_t handle,
const struct cpg_name *groupName,
uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len)
{
int seq = 0;
xmlNode *xml = NULL;
const char *seq_s = NULL;
crm_node_t *peer = NULL;
enum crm_proc_flag flag = crm_proc_cpg;
uint32_t kind = 0;
const char *from = NULL;
char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from);
if(data == NULL) {
return;
}
xml = string2xml(data);
if (xml == NULL) {
crm_err("Could not parse message content (%d): %.100s", kind, data);
free(data);
return;
}
switch (kind) {
case crm_class_members:
seq_s = crm_element_value(xml, "id");
seq = crm_int_helper(seq_s, NULL);
set_bit(fsa_input_register, R_PEER_DATA);
post_cache_update(seq);
/* fall through */
case crm_class_quorum:
crm_update_quorum(crm_have_quorum, FALSE);
if (AM_I_DC) {
const char *votes = crm_element_value(xml, "expected");
if (votes == NULL || check_number(votes) == FALSE) {
crm_log_xml_err(xml, "Invalid quorum/membership update");
} else {
int rc = update_attr_delegate(fsa_cib_conn,
cib_quorum_override | cib_scope_local |
cib_inhibit_notify,
XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL,
XML_ATTR_EXPECTED_VOTES, votes, FALSE, NULL);
crm_info("Setting expected votes to %s", votes);
if (pcmk_ok > rc) {
crm_err("Quorum update failed: %s", pcmk_strerror(rc));
}
}
}
break;
case crm_class_cluster:
crm_xml_add(xml, F_ORIG, from);
/* crm_xml_add_int(xml, F_SEQ, wrapper->id); Fake? */
if (is_heartbeat_cluster()) {
flag = crm_proc_heartbeat;
} else if (is_classic_ais_cluster()) {
flag = crm_proc_plugin;
}
peer = crm_get_peer(0, from);
if (is_not_set(peer->processes, flag)) {
/* If we can still talk to our peer process on that node,
* then its also part of the corosync membership
*/
crm_warn("Receiving messages from a node we think is dead: %s[%d]", peer->uname,
peer->id);
crm_update_peer_proc(__FUNCTION__, peer, flag, ONLINESTATUS);
}
crmd_ha_msg_filter(xml);
break;
case crm_class_rmpeer:
/* Ignore */
break;
case crm_class_notify:
case crm_class_nodeid:
crm_err("Unexpected message class (%d): %.100s", kind, data);
break;
default:
crm_err("Invalid message class (%d): %.100s", kind, data);
}
free(data);
free_xml(xml);
}
int
main(int argc, char **argv)
{
cib_t *the_cib = NULL;
int rc = pcmk_ok;
int cib_opts = cib_sync_call;
int argerr = 0;
int flag;
int option_index = 0;
int is_remote_node = 0;
crm_log_cli_init("crm_attribute");
crm_set_options(NULL, "command -n attribute [options]", long_options,
"Manage node's attributes and cluster options."
"\n\nAllows node attributes and cluster options to be queried, modified and deleted.\n");
if (argc < 2) {
crm_help('?', EX_USAGE);
}
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 '$':
case '?':
crm_help(flag, EX_OK);
break;
case 'D':
case 'G':
case 'v':
command = flag;
attr_value = optarg;
break;
case 'q':
case 'Q':
BE_QUIET = TRUE;
break;
case 'U':
case 'N':
dest_uname = strdup(optarg);
break;
case 'u':
dest_node = strdup(optarg);
break;
case 's':
set_name = strdup(optarg);
break;
case 'l':
case 't':
type = optarg;
break;
case 'z':
type = XML_CIB_TAG_NODES;
set_type = XML_TAG_UTILIZATION;
break;
case 'n':
attr_name = strdup(optarg);
break;
case 'i':
attr_id = strdup(optarg);
break;
case 'r':
rsc_id = optarg;
break;
case 'd':
attr_default = optarg;
break;
case '!':
crm_warn("Inhibiting notifications for this update");
cib_opts |= cib_inhibit_notify;
break;
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 (optind > argc) {
++argerr;
}
if (argerr) {
crm_help('?', EX_USAGE);
}
the_cib = cib_new();
rc = the_cib->cmds->signon(the_cib, crm_system_name, cib_command);
if (rc != pcmk_ok) {
fprintf(stderr, "Error signing on to the CIB service: %s\n", pcmk_strerror(rc));
return crm_exit(rc);
}
if (type == NULL && dest_uname != NULL) {
type = "forever";
}
if (safe_str_eq(type, "reboot")) {
type = XML_CIB_TAG_STATUS;
} else if (safe_str_eq(type, "forever")) {
type = XML_CIB_TAG_NODES;
}
if (type == NULL && dest_uname == NULL) {
/* we're updating cluster options - dont populate dest_node */
type = XML_CIB_TAG_CRMCONFIG;
} else if (safe_str_neq(type, XML_CIB_TAG_TICKETS)) {
if (dest_uname == NULL) {
dest_uname = get_node_name(0);
}
rc = query_node_uuid(the_cib, dest_uname, &dest_node, &is_remote_node);
if (pcmk_ok != rc) {
fprintf(stderr, "Could not map name=%s to a UUID\n", dest_uname);
the_cib->cmds->signoff(the_cib);
cib_delete(the_cib);
return crm_exit(rc);
}
}
if (attr_name == NULL && command == 'D') {
fprintf(stderr, "Error during deletion, no attribute name specified.\n");
return crm_exit(1);
}
if ((command == 'v' || command == 'D')
&& safe_str_eq(type, XML_CIB_TAG_STATUS)
&& pcmk_ok == attrd_update_delegate(NULL, command, dest_uname, attr_name, attr_value, type, set_name,
NULL, NULL, is_remote_node)) {
crm_info("Update %s=%s sent via attrd", attr_name, command == 'D' ? "<none>" : attr_value);
} else if (command == 'D') {
rc = delete_attr_delegate(the_cib, cib_opts, type, dest_node, set_type, set_name,
attr_id, attr_name, attr_value, TRUE, NULL);
if (rc == -ENXIO) {
/* Nothing to delete...
* which means its not there...
* which is what the admin wanted
*/
rc = pcmk_ok;
} else if (rc != -EINVAL && safe_str_eq(crm_system_name, "crm_failcount")) {
char *now_s = NULL;
time_t now = time(NULL);
now_s = crm_itoa(now);
update_attr_delegate(the_cib, cib_sync_call, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL,
NULL, "last-lrm-refresh", now_s, TRUE, NULL, NULL);
free(now_s);
}
} else if (command == 'v') {
CRM_LOG_ASSERT(type != NULL);
CRM_LOG_ASSERT(attr_name != NULL);
CRM_LOG_ASSERT(attr_value != NULL);
rc = update_attr_delegate(the_cib, cib_opts, type, dest_node, set_type, set_name,
attr_id, attr_name, attr_value, TRUE, NULL, is_remote_node ? "remote" : NULL);
} else { /* query */
char *read_value = NULL;
rc = read_attr_delegate(the_cib, type, dest_node, set_type, set_name,
attr_id, attr_name, &read_value, TRUE, NULL);
if (rc == -ENXIO && attr_default) {
read_value = strdup(attr_default);
rc = pcmk_ok;
}
crm_info("Read %s=%s %s%s",
attr_name, crm_str(read_value), set_name ? "in " : "", set_name ? set_name : "");
if (rc == -EINVAL) {
rc = pcmk_ok;
} else if (BE_QUIET == FALSE) {
fprintf(stdout, "%s%s %s%s %s%s value=%s\n",
type ? "scope=" : "", type ? type : "",
attr_id ? "id=" : "", attr_id ? attr_id : "",
attr_name ? "name=" : "", attr_name ? attr_name : "",
read_value ? read_value : "(null)");
} else if (read_value != NULL) {
fprintf(stdout, "%s\n", read_value);
}
free(read_value);
}
if (rc == -EINVAL) {
printf("Please choose from one of the matches above and suppy the 'id' with --attr-id\n");
} else if (rc != pcmk_ok) {
fprintf(stderr, "Error performing operation: %s\n", pcmk_strerror(rc));
}
the_cib->cmds->signoff(the_cib);
cib_delete(the_cib);
return crm_exit(rc);
}