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diff --git a/lib/pengine/unpack.c b/lib/pengine/unpack.c
index 6a125b0b64..75d9dd8e0a 100644
--- a/lib/pengine/unpack.c
+++ b/lib/pengine/unpack.c
@@ -1,3398 +1,3409 @@
/*
* 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 <glib.h>
#include <crm/crm.h>
#include <crm/services.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/util.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/internal.h>
#include <unpack.h>
CRM_TRACE_INIT_DATA(pe_status);
#define set_config_flag(data_set, option, flag) do { \
const char *tmp = pe_pref(data_set->config_hash, option); \
if(tmp) { \
if(crm_is_true(tmp)) { \
set_bit(data_set->flags, flag); \
} else { \
clear_bit(data_set->flags, flag); \
} \
} \
} while(0)
gboolean unpack_rsc_op(resource_t * rsc, node_t * node, xmlNode * xml_op,
enum action_fail_response *failed, pe_working_set_t * data_set);
static gboolean determine_remote_online_status(pe_working_set_t * data_set, node_t * this_node);
static gboolean
is_dangling_container_remote_node(node_t *node)
{
/* we are looking for a remote-node that was supposed to be mapped to a
* container resource, but all traces of that container have disappeared
* from both the config and the status section. */
if (is_remote_node(node) &&
node->details->remote_rsc &&
node->details->remote_rsc->container == NULL &&
is_set(node->details->remote_rsc->flags, pe_rsc_orphan_container_filler)) {
return TRUE;
}
return FALSE;
}
void
pe_fence_node(pe_working_set_t * data_set, node_t * node, const char *reason)
{
CRM_CHECK(node, return);
/* fence remote nodes living in a container by marking the container as failed. */
if (is_container_remote_node(node)) {
resource_t *rsc = node->details->remote_rsc->container;
if (is_set(rsc->flags, pe_rsc_failed) == FALSE) {
crm_warn("Remote node %s will be fenced by recovering container resource %s",
node->details->uname, rsc->id, reason);
/* node->details->unclean = TRUE; */
node->details->remote_requires_reset = TRUE;
set_bit(rsc->flags, pe_rsc_failed);
}
} else if (is_dangling_container_remote_node(node)) {
crm_info("Fencing remote node %s has already occurred, container no longer exists. cleaning up dangling connection resource: %s",
node->details->uname, reason);
set_bit(node->details->remote_rsc->flags, pe_rsc_failed);
} else if (is_baremetal_remote_node(node)) {
if(pe_can_fence(data_set, node)) {
crm_warn("Node %s will be fenced %s", node->details->uname, reason);
} else {
crm_warn("Node %s is unclean %s", node->details->uname, reason);
}
node->details->unclean = TRUE;
node->details->remote_requires_reset = TRUE;
} else if (node->details->unclean == FALSE) {
if(pe_can_fence(data_set, node)) {
crm_warn("Node %s will be fenced %s", node->details->uname, reason);
} else {
crm_warn("Node %s is unclean %s", node->details->uname, reason);
}
node->details->unclean = TRUE;
} else {
crm_trace("Huh? %s %s", node->details->uname, reason);
}
}
gboolean
unpack_config(xmlNode * config, pe_working_set_t * data_set)
{
const char *value = NULL;
GHashTable *config_hash =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
xmlXPathObjectPtr xpathObj = NULL;
if(is_not_set(data_set->flags, pe_flag_enable_unfencing)) {
xpathObj = xpath_search(data_set->input, "//nvpair[@name='provides' and @value='unfencing']");
if(xpathObj && numXpathResults(xpathObj) > 0) {
set_bit(data_set->flags, pe_flag_enable_unfencing);
}
freeXpathObject(xpathObj);
}
if(is_not_set(data_set->flags, pe_flag_enable_unfencing)) {
xpathObj = xpath_search(data_set->input, "//nvpair[@name='requires' and @value='unfencing']");
if(xpathObj && numXpathResults(xpathObj) > 0) {
set_bit(data_set->flags, pe_flag_enable_unfencing);
}
freeXpathObject(xpathObj);
}
#ifdef REDHAT_COMPAT_6
if(is_not_set(data_set->flags, pe_flag_enable_unfencing)) {
xpathObj = xpath_search(data_set->input, "//primitive[@type='fence_scsi']");
if(xpathObj && numXpathResults(xpathObj) > 0) {
set_bit(data_set->flags, pe_flag_enable_unfencing);
}
freeXpathObject(xpathObj);
}
#endif
data_set->config_hash = config_hash;
unpack_instance_attributes(data_set->input, config, XML_CIB_TAG_PROPSET, NULL, config_hash,
CIB_OPTIONS_FIRST, FALSE, data_set->now);
verify_pe_options(data_set->config_hash);
set_config_flag(data_set, "enable-startup-probes", pe_flag_startup_probes);
if(is_not_set(data_set->flags, pe_flag_startup_probes)) {
crm_info("Startup probes: disabled (dangerous)");
}
value = pe_pref(data_set->config_hash, XML_ATTR_HAVE_WATCHDOG);
if (value && crm_is_true(value)) {
crm_notice("Relying on watchdog integration for fencing");
set_bit(data_set->flags, pe_flag_have_stonith_resource);
}
value = pe_pref(data_set->config_hash, "stonith-timeout");
data_set->stonith_timeout = crm_get_msec(value);
crm_debug("STONITH timeout: %d", data_set->stonith_timeout);
set_config_flag(data_set, "stonith-enabled", pe_flag_stonith_enabled);
crm_debug("STONITH of failed nodes is %s",
is_set(data_set->flags, pe_flag_stonith_enabled) ? "enabled" : "disabled");
data_set->stonith_action = pe_pref(data_set->config_hash, "stonith-action");
crm_trace("STONITH will %s nodes", data_set->stonith_action);
set_config_flag(data_set, "stop-all-resources", pe_flag_stop_everything);
crm_debug("Stop all active resources: %s",
is_set(data_set->flags, pe_flag_stop_everything) ? "true" : "false");
set_config_flag(data_set, "symmetric-cluster", pe_flag_symmetric_cluster);
if (is_set(data_set->flags, pe_flag_symmetric_cluster)) {
crm_debug("Cluster is symmetric" " - resources can run anywhere by default");
}
value = pe_pref(data_set->config_hash, "default-resource-stickiness");
data_set->default_resource_stickiness = char2score(value);
crm_debug("Default stickiness: %d", data_set->default_resource_stickiness);
value = pe_pref(data_set->config_hash, "no-quorum-policy");
if (safe_str_eq(value, "ignore")) {
data_set->no_quorum_policy = no_quorum_ignore;
} else if (safe_str_eq(value, "freeze")) {
data_set->no_quorum_policy = no_quorum_freeze;
} else if (safe_str_eq(value, "suicide")) {
gboolean do_panic = FALSE;
crm_element_value_int(data_set->input, XML_ATTR_QUORUM_PANIC, &do_panic);
if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE) {
crm_config_err
("Setting no-quorum-policy=suicide makes no sense if stonith-enabled=false");
}
if (do_panic && is_set(data_set->flags, pe_flag_stonith_enabled)) {
data_set->no_quorum_policy = no_quorum_suicide;
} else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE && do_panic == FALSE) {
crm_notice("Resetting no-quorum-policy to 'stop': The cluster has never had quorum");
data_set->no_quorum_policy = no_quorum_stop;
}
} else {
data_set->no_quorum_policy = no_quorum_stop;
}
switch (data_set->no_quorum_policy) {
case no_quorum_freeze:
crm_debug("On loss of CCM Quorum: Freeze resources");
break;
case no_quorum_stop:
crm_debug("On loss of CCM Quorum: Stop ALL resources");
break;
case no_quorum_suicide:
crm_notice("On loss of CCM Quorum: Fence all remaining nodes");
break;
case no_quorum_ignore:
crm_notice("On loss of CCM Quorum: Ignore");
break;
}
set_config_flag(data_set, "stop-orphan-resources", pe_flag_stop_rsc_orphans);
crm_trace("Orphan resources are %s",
is_set(data_set->flags, pe_flag_stop_rsc_orphans) ? "stopped" : "ignored");
set_config_flag(data_set, "stop-orphan-actions", pe_flag_stop_action_orphans);
crm_trace("Orphan resource actions are %s",
is_set(data_set->flags, pe_flag_stop_action_orphans) ? "stopped" : "ignored");
set_config_flag(data_set, "remove-after-stop", pe_flag_remove_after_stop);
crm_trace("Stopped resources are removed from the status section: %s",
is_set(data_set->flags, pe_flag_remove_after_stop) ? "true" : "false");
set_config_flag(data_set, "maintenance-mode", pe_flag_maintenance_mode);
crm_trace("Maintenance mode: %s",
is_set(data_set->flags, pe_flag_maintenance_mode) ? "true" : "false");
if (is_set(data_set->flags, pe_flag_maintenance_mode)) {
clear_bit(data_set->flags, pe_flag_is_managed_default);
} else {
set_config_flag(data_set, "is-managed-default", pe_flag_is_managed_default);
}
crm_trace("By default resources are %smanaged",
is_set(data_set->flags, pe_flag_is_managed_default) ? "" : "not ");
set_config_flag(data_set, "start-failure-is-fatal", pe_flag_start_failure_fatal);
crm_trace("Start failures are %s",
is_set(data_set->flags,
pe_flag_start_failure_fatal) ? "always fatal" : "handled by failcount");
node_score_red = char2score(pe_pref(data_set->config_hash, "node-health-red"));
node_score_green = char2score(pe_pref(data_set->config_hash, "node-health-green"));
node_score_yellow = char2score(pe_pref(data_set->config_hash, "node-health-yellow"));
crm_debug("Node scores: 'red' = %s, 'yellow' = %s, 'green' = %s",
pe_pref(data_set->config_hash, "node-health-red"),
pe_pref(data_set->config_hash, "node-health-yellow"),
pe_pref(data_set->config_hash, "node-health-green"));
data_set->placement_strategy = pe_pref(data_set->config_hash, "placement-strategy");
crm_trace("Placement strategy: %s", data_set->placement_strategy);
return TRUE;
}
static void
destroy_digest_cache(gpointer ptr)
{
op_digest_cache_t *data = ptr;
free_xml(data->params_all);
free_xml(data->params_secure);
free_xml(data->params_restart);
free(data->digest_all_calc);
free(data->digest_restart_calc);
free(data->digest_secure_calc);
free(data);
}
static node_t *
create_node(const char *id, const char *uname, const char *type, const char *score, pe_working_set_t * data_set)
{
node_t *new_node = NULL;
if (pe_find_node(data_set->nodes, uname) != NULL) {
crm_config_warn("Detected multiple node entries with uname=%s"
" - this is rarely intended", uname);
}
new_node = calloc(1, sizeof(node_t));
if (new_node == NULL) {
return NULL;
}
new_node->weight = char2score(score);
new_node->fixed = FALSE;
new_node->details = calloc(1, sizeof(struct node_shared_s));
if (new_node->details == NULL) {
free(new_node);
return NULL;
}
crm_trace("Creating node for entry %s/%s", uname, id);
new_node->details->id = id;
new_node->details->uname = uname;
new_node->details->online = FALSE;
new_node->details->shutdown = FALSE;
new_node->details->rsc_discovery_enabled = TRUE;
new_node->details->running_rsc = NULL;
new_node->details->type = node_ping;
if (safe_str_eq(type, "remote")) {
new_node->details->type = node_remote;
set_bit(data_set->flags, pe_flag_have_remote_nodes);
} else if (type == NULL || safe_str_eq(type, "member")
|| safe_str_eq(type, NORMALNODE)) {
new_node->details->type = node_member;
}
new_node->details->attrs = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str,
g_hash_destroy_str);
if (is_remote_node(new_node)) {
g_hash_table_insert(new_node->details->attrs, strdup("#kind"), strdup("remote"));
} else {
g_hash_table_insert(new_node->details->attrs, strdup("#kind"), strdup("cluster"));
}
new_node->details->utilization =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
g_hash_destroy_str);
new_node->details->digest_cache =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
destroy_digest_cache);
data_set->nodes = g_list_insert_sorted(data_set->nodes, new_node, sort_node_uname);
return new_node;
}
static const char *
expand_remote_rsc_meta(xmlNode *xml_obj, xmlNode *parent, GHashTable **rsc_name_check)
{
xmlNode *xml_rsc = NULL;
xmlNode *xml_tmp = NULL;
xmlNode *attr_set = NULL;
xmlNode *attr = NULL;
const char *container_id = ID(xml_obj);
const char *remote_name = NULL;
const char *remote_server = NULL;
const char *remote_port = NULL;
const char *connect_timeout = "60s";
const char *remote_allow_migrate=NULL;
char *tmp_id = NULL;
for (attr_set = __xml_first_child(xml_obj); attr_set != NULL; attr_set = __xml_next_element(attr_set)) {
if (safe_str_neq((const char *)attr_set->name, XML_TAG_META_SETS)) {
continue;
}
for (attr = __xml_first_child(attr_set); attr != NULL; attr = __xml_next_element(attr)) {
const char *value = crm_element_value(attr, XML_NVPAIR_ATTR_VALUE);
const char *name = crm_element_value(attr, XML_NVPAIR_ATTR_NAME);
if (safe_str_eq(name, XML_RSC_ATTR_REMOTE_NODE)) {
remote_name = value;
} else if (safe_str_eq(name, "remote-addr")) {
remote_server = value;
} else if (safe_str_eq(name, "remote-port")) {
remote_port = value;
} else if (safe_str_eq(name, "remote-connect-timeout")) {
connect_timeout = value;
} else if (safe_str_eq(name, "remote-allow-migrate")) {
remote_allow_migrate=value;
}
}
}
if (remote_name == NULL) {
return NULL;
}
if (*rsc_name_check == NULL) {
*rsc_name_check = g_hash_table_new(crm_str_hash, g_str_equal);
for (xml_rsc = __xml_first_child(parent); xml_rsc != NULL; xml_rsc = __xml_next_element(xml_rsc)) {
const char *id = ID(xml_rsc);
/* avoiding heap allocation here because we know the duration of this hashtable allows us to */
g_hash_table_insert(*rsc_name_check, (char *) id, (char *) id);
}
}
if (g_hash_table_lookup(*rsc_name_check, remote_name)) {
crm_err("Naming conflict with remote-node=%s. remote-nodes can not have the same name as a resource.",
remote_name);
return NULL;
}
xml_rsc = create_xml_node(parent, XML_CIB_TAG_RESOURCE);
crm_xml_add(xml_rsc, XML_ATTR_ID, remote_name);
crm_xml_add(xml_rsc, XML_AGENT_ATTR_CLASS, "ocf");
crm_xml_add(xml_rsc, XML_AGENT_ATTR_PROVIDER, "pacemaker");
crm_xml_add(xml_rsc, XML_ATTR_TYPE, "remote");
xml_tmp = create_xml_node(xml_rsc, XML_TAG_META_SETS);
tmp_id = crm_concat(remote_name, XML_TAG_META_SETS, '_');
crm_xml_add(xml_tmp, XML_ATTR_ID, tmp_id);
free(tmp_id);
attr = create_xml_node(xml_tmp, XML_CIB_TAG_NVPAIR);
tmp_id = crm_concat(remote_name, "meta-attributes-container", '_');
crm_xml_add(attr, XML_ATTR_ID, tmp_id);
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, XML_RSC_ATTR_CONTAINER);
crm_xml_add(attr, XML_NVPAIR_ATTR_VALUE, container_id);
free(tmp_id);
attr = create_xml_node(xml_tmp, XML_CIB_TAG_NVPAIR);
tmp_id = crm_concat(remote_name, "meta-attributes-internal", '_');
crm_xml_add(attr, XML_ATTR_ID, tmp_id);
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, XML_RSC_ATTR_INTERNAL_RSC);
crm_xml_add(attr, XML_NVPAIR_ATTR_VALUE, "true");
free(tmp_id);
if (remote_allow_migrate) {
attr = create_xml_node(xml_tmp, XML_CIB_TAG_NVPAIR);
tmp_id = crm_concat(remote_name, "meta-attributes-container", '_');
crm_xml_add(attr, XML_ATTR_ID, tmp_id);
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, XML_OP_ATTR_ALLOW_MIGRATE);
crm_xml_add(attr, XML_NVPAIR_ATTR_VALUE, remote_allow_migrate);
free(tmp_id);
}
xml_tmp = create_xml_node(xml_rsc, "operations");
attr = create_xml_node(xml_tmp, XML_ATTR_OP);
tmp_id = crm_concat(remote_name, "monitor-interval-30s", '_');
crm_xml_add(attr, XML_ATTR_ID, tmp_id);
crm_xml_add(attr, XML_ATTR_TIMEOUT, "30s");
crm_xml_add(attr, XML_LRM_ATTR_INTERVAL, "30s");
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, "monitor");
free(tmp_id);
if (connect_timeout) {
attr = create_xml_node(xml_tmp, XML_ATTR_OP);
tmp_id = crm_concat(remote_name, "start-interval-0", '_');
crm_xml_add(attr, XML_ATTR_ID, tmp_id);
crm_xml_add(attr, XML_ATTR_TIMEOUT, connect_timeout);
crm_xml_add(attr, XML_LRM_ATTR_INTERVAL, "0");
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, "start");
free(tmp_id);
}
if (remote_port || remote_server) {
xml_tmp = create_xml_node(xml_rsc, XML_TAG_ATTR_SETS);
tmp_id = crm_concat(remote_name, XML_TAG_ATTR_SETS, '_');
crm_xml_add(xml_tmp, XML_ATTR_ID, tmp_id);
free(tmp_id);
if (remote_server) {
attr = create_xml_node(xml_tmp, XML_CIB_TAG_NVPAIR);
tmp_id = crm_concat(remote_name, "instance-attributes-addr", '_');
crm_xml_add(attr, XML_ATTR_ID, tmp_id);
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, "addr");
crm_xml_add(attr, XML_NVPAIR_ATTR_VALUE, remote_server);
free(tmp_id);
}
if (remote_port) {
attr = create_xml_node(xml_tmp, XML_CIB_TAG_NVPAIR);
tmp_id = crm_concat(remote_name, "instance-attributes-port", '_');
crm_xml_add(attr, XML_ATTR_ID, tmp_id);
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME, "port");
crm_xml_add(attr, XML_NVPAIR_ATTR_VALUE, remote_port);
free(tmp_id);
}
}
return remote_name;
}
static void
handle_startup_fencing(pe_working_set_t *data_set, node_t *new_node)
{
static const char *blind_faith = NULL;
static gboolean unseen_are_unclean = TRUE;
if ((new_node->details->type == node_remote) && (new_node->details->remote_rsc == NULL)) {
/* ignore fencing remote-nodes that don't have a conneciton resource associated
* with them. This happens when remote-node entries get left in the nodes section
* after the connection resource is removed */
return;
}
blind_faith = pe_pref(data_set->config_hash, "startup-fencing");
if (crm_is_true(blind_faith) == FALSE) {
unseen_are_unclean = FALSE;
crm_warn("Blind faith: not fencing unseen nodes");
}
if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE
|| unseen_are_unclean == FALSE) {
/* blind faith... */
new_node->details->unclean = FALSE;
} else {
/* all nodes are unclean until we've seen their
* status entry
*/
new_node->details->unclean = TRUE;
}
/* We need to be able to determine if a node's status section
* exists or not separate from whether the node is unclean. */
new_node->details->unseen = TRUE;
}
gboolean
unpack_nodes(xmlNode * xml_nodes, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
node_t *new_node = NULL;
const char *id = NULL;
const char *uname = NULL;
const char *type = NULL;
const char *score = NULL;
for (xml_obj = __xml_first_child(xml_nodes); xml_obj != NULL; xml_obj = __xml_next_element(xml_obj)) {
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_NODE, TRUE)) {
new_node = NULL;
id = crm_element_value(xml_obj, XML_ATTR_ID);
uname = crm_element_value(xml_obj, XML_ATTR_UNAME);
type = crm_element_value(xml_obj, XML_ATTR_TYPE);
score = crm_element_value(xml_obj, XML_RULE_ATTR_SCORE);
crm_trace("Processing node %s/%s", uname, id);
if (id == NULL) {
crm_config_err("Must specify id tag in <node>");
continue;
}
new_node = create_node(id, uname, type, score, data_set);
if (new_node == NULL) {
return FALSE;
}
/* if(data_set->have_quorum == FALSE */
/* && data_set->no_quorum_policy == no_quorum_stop) { */
/* /\* start shutting resources down *\/ */
/* new_node->weight = -INFINITY; */
/* } */
handle_startup_fencing(data_set, new_node);
add_node_attrs(xml_obj, new_node, FALSE, data_set);
unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_UTILIZATION, NULL,
new_node->details->utilization, NULL, FALSE, data_set->now);
crm_trace("Done with node %s", crm_element_value(xml_obj, XML_ATTR_UNAME));
}
}
if (data_set->localhost && pe_find_node(data_set->nodes, data_set->localhost) == NULL) {
crm_info("Creating a fake local node");
create_node(data_set->localhost, data_set->localhost, NULL, 0, data_set);
}
return TRUE;
}
static void
setup_container(resource_t * rsc, pe_working_set_t * data_set)
{
const char *container_id = NULL;
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
setup_container(child_rsc, data_set);
}
return;
}
container_id = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_CONTAINER);
if (container_id && safe_str_neq(container_id, rsc->id)) {
resource_t *container = pe_find_resource(data_set->resources, container_id);
if (container) {
rsc->container = container;
container->fillers = g_list_append(container->fillers, rsc);
pe_rsc_trace(rsc, "Resource %s's container is %s", rsc->id, container_id);
} else {
pe_err("Resource %s: Unknown resource container (%s)", rsc->id, container_id);
}
}
}
gboolean
unpack_remote_nodes(xmlNode * xml_resources, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
GHashTable *rsc_name_check = NULL;
/* generate remote nodes from resource config before unpacking resources */
for (xml_obj = __xml_first_child(xml_resources); xml_obj != NULL; xml_obj = __xml_next_element(xml_obj)) {
const char *new_node_id = NULL;
/* first check if this is a bare metal remote node. Bare metal remote nodes
* are defined as a resource primitive only. */
if (xml_contains_remote_node(xml_obj)) {
new_node_id = ID(xml_obj);
/* The "pe_find_node" check is here to make sure we don't iterate over
* an expanded node that has already been added to the node list. */
if (new_node_id && pe_find_node(data_set->nodes, new_node_id) == NULL) {
crm_trace("Found baremetal remote node %s in container resource %s", new_node_id, ID(xml_obj));
create_node(new_node_id, new_node_id, "remote", NULL, data_set);
}
continue;
}
/* Now check for guest remote nodes.
* guest remote nodes are defined within a resource primitive.
* Example1: a vm resource might be configured as a remote node.
* Example2: a vm resource might be configured within a group to be a remote node.
* Note: right now we only support guest remote nodes in as a standalone primitive
* or a primitive within a group. No cloned primitives can be a guest remote node
* right now */
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_RESOURCE, TRUE)) {
/* expands a metadata defined remote resource into the xml config
* as an actual rsc primitive to be unpacked later. */
new_node_id = expand_remote_rsc_meta(xml_obj, xml_resources, &rsc_name_check);
if (new_node_id && pe_find_node(data_set->nodes, new_node_id) == NULL) {
crm_trace("Found guest remote node %s in container resource %s", new_node_id, ID(xml_obj));
create_node(new_node_id, new_node_id, "remote", NULL, data_set);
}
continue;
} else if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_GROUP, TRUE)) {
xmlNode *xml_obj2 = NULL;
/* search through a group to see if any of the primitive contain a remote node. */
for (xml_obj2 = __xml_first_child(xml_obj); xml_obj2 != NULL; xml_obj2 = __xml_next_element(xml_obj2)) {
new_node_id = expand_remote_rsc_meta(xml_obj2, xml_resources, &rsc_name_check);
if (new_node_id && pe_find_node(data_set->nodes, new_node_id) == NULL) {
crm_trace("Found guest remote node %s in container resource %s which is in group %s", new_node_id, ID(xml_obj2), ID(xml_obj));
create_node(new_node_id, new_node_id, "remote", NULL, data_set);
}
}
}
}
if (rsc_name_check) {
g_hash_table_destroy(rsc_name_check);
}
return TRUE;
}
/* Call this after all the nodes and resources have been
* unpacked, but before the status section is read.
*
* A remote node's online status is reflected by the state
* of the remote node's connection resource. We need to link
* the remote node to this connection resource so we can have
* easy access to the connection resource during the PE calculations.
*/
static void
link_rsc2remotenode(pe_working_set_t *data_set, resource_t *new_rsc)
{
node_t *remote_node = NULL;
if (new_rsc->is_remote_node == FALSE) {
return;
}
if (is_set(data_set->flags, pe_flag_quick_location)) {
/* remote_nodes and remote_resources are not linked in quick location calculations */
return;
}
print_resource(LOG_DEBUG_3, "Linking remote-node connection resource, ", new_rsc, FALSE);
remote_node = pe_find_node(data_set->nodes, new_rsc->id);
CRM_CHECK(remote_node != NULL, return;);
remote_node->details->remote_rsc = new_rsc;
/* If this is a baremetal remote-node (no container resource
* associated with it) then we need to handle startup fencing the same way
* as cluster nodes. */
if (new_rsc->container == NULL) {
handle_startup_fencing(data_set, remote_node);
} else {
/* At this point we know if the remote node is a container or baremetal
* remote node, update the #kind attribute if a container is involved */
g_hash_table_replace(remote_node->details->attrs, strdup("#kind"), strdup("container"));
}
}
static void
destroy_tag(gpointer data)
{
tag_t *tag = data;
if (tag) {
free(tag->id);
g_list_free_full(tag->refs, free);
free(tag);
}
}
gboolean
unpack_resources(xmlNode * xml_resources, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
GListPtr gIter = NULL;
data_set->template_rsc_sets =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
destroy_tag);
for (xml_obj = __xml_first_child(xml_resources); xml_obj != NULL; xml_obj = __xml_next_element(xml_obj)) {
resource_t *new_rsc = NULL;
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_RSC_TEMPLATE, TRUE)) {
const char *template_id = ID(xml_obj);
if (template_id && g_hash_table_lookup_extended(data_set->template_rsc_sets,
template_id, NULL, NULL) == FALSE) {
/* Record the template's ID for the knowledge of its existence anyway. */
g_hash_table_insert(data_set->template_rsc_sets, strdup(template_id), NULL);
}
continue;
}
crm_trace("Beginning unpack... <%s id=%s... >", crm_element_name(xml_obj), ID(xml_obj));
if (common_unpack(xml_obj, &new_rsc, NULL, data_set)) {
data_set->resources = g_list_append(data_set->resources, new_rsc);
if (xml_contains_remote_node(xml_obj)) {
new_rsc->is_remote_node = TRUE;
}
print_resource(LOG_DEBUG_3, "Added ", new_rsc, FALSE);
} else {
crm_config_err("Failed unpacking %s %s",
crm_element_name(xml_obj), crm_element_value(xml_obj, XML_ATTR_ID));
if (new_rsc != NULL && new_rsc->fns != NULL) {
new_rsc->fns->free(new_rsc);
}
}
}
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
setup_container(rsc, data_set);
link_rsc2remotenode(data_set, rsc);
}
data_set->resources = g_list_sort(data_set->resources, sort_rsc_priority);
if (is_set(data_set->flags, pe_flag_quick_location)) {
/* Ignore */
} else if (is_set(data_set->flags, pe_flag_stonith_enabled)
&& is_set(data_set->flags, pe_flag_have_stonith_resource) == FALSE) {
crm_config_err("Resource start-up disabled since no STONITH resources have been defined");
crm_config_err("Either configure some or disable STONITH with the stonith-enabled option");
crm_config_err("NOTE: Clusters with shared data need STONITH to ensure data integrity");
}
return TRUE;
}
gboolean
unpack_tags(xmlNode * xml_tags, pe_working_set_t * data_set)
{
xmlNode *xml_tag = NULL;
data_set->tags =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, destroy_tag);
for (xml_tag = __xml_first_child(xml_tags); xml_tag != NULL; xml_tag = __xml_next_element(xml_tag)) {
xmlNode *xml_obj_ref = NULL;
const char *tag_id = ID(xml_tag);
if (crm_str_eq((const char *)xml_tag->name, XML_CIB_TAG_TAG, TRUE) == FALSE) {
continue;
}
if (tag_id == NULL) {
crm_config_err("Failed unpacking %s: %s should be specified",
crm_element_name(xml_tag), XML_ATTR_ID);
continue;
}
for (xml_obj_ref = __xml_first_child(xml_tag); xml_obj_ref != NULL; xml_obj_ref = __xml_next_element(xml_obj_ref)) {
const char *obj_ref = ID(xml_obj_ref);
if (crm_str_eq((const char *)xml_obj_ref->name, XML_CIB_TAG_OBJ_REF, TRUE) == FALSE) {
continue;
}
if (obj_ref == NULL) {
crm_config_err("Failed unpacking %s for tag %s: %s should be specified",
crm_element_name(xml_obj_ref), tag_id, XML_ATTR_ID);
continue;
}
if (add_tag_ref(data_set->tags, tag_id, obj_ref) == FALSE) {
return FALSE;
}
}
}
return TRUE;
}
/* The ticket state section:
* "/cib/status/tickets/ticket_state" */
static gboolean
unpack_ticket_state(xmlNode * xml_ticket, pe_working_set_t * data_set)
{
const char *ticket_id = NULL;
const char *granted = NULL;
const char *last_granted = NULL;
const char *standby = NULL;
xmlAttrPtr xIter = NULL;
ticket_t *ticket = NULL;
ticket_id = ID(xml_ticket);
if (ticket_id == NULL || strlen(ticket_id) == 0) {
return FALSE;
}
crm_trace("Processing ticket state for %s", ticket_id);
ticket = g_hash_table_lookup(data_set->tickets, ticket_id);
if (ticket == NULL) {
ticket = ticket_new(ticket_id, data_set);
if (ticket == NULL) {
return FALSE;
}
}
for (xIter = xml_ticket->properties; xIter; xIter = xIter->next) {
const char *prop_name = (const char *)xIter->name;
const char *prop_value = crm_element_value(xml_ticket, prop_name);
if (crm_str_eq(prop_name, XML_ATTR_ID, TRUE)) {
continue;
}
g_hash_table_replace(ticket->state, strdup(prop_name), strdup(prop_value));
}
granted = g_hash_table_lookup(ticket->state, "granted");
if (granted && crm_is_true(granted)) {
ticket->granted = TRUE;
crm_info("We have ticket '%s'", ticket->id);
} else {
ticket->granted = FALSE;
crm_info("We do not have ticket '%s'", ticket->id);
}
last_granted = g_hash_table_lookup(ticket->state, "last-granted");
if (last_granted) {
ticket->last_granted = crm_parse_int(last_granted, 0);
}
standby = g_hash_table_lookup(ticket->state, "standby");
if (standby && crm_is_true(standby)) {
ticket->standby = TRUE;
if (ticket->granted) {
crm_info("Granted ticket '%s' is in standby-mode", ticket->id);
}
} else {
ticket->standby = FALSE;
}
crm_trace("Done with ticket state for %s", ticket_id);
return TRUE;
}
static gboolean
unpack_tickets_state(xmlNode * xml_tickets, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
for (xml_obj = __xml_first_child(xml_tickets); xml_obj != NULL; xml_obj = __xml_next_element(xml_obj)) {
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_TICKET_STATE, TRUE) == FALSE) {
continue;
}
unpack_ticket_state(xml_obj, data_set);
}
return TRUE;
}
/* Compatibility with the deprecated ticket state section:
* "/cib/status/tickets/instance_attributes" */
static void
get_ticket_state_legacy(gpointer key, gpointer value, gpointer user_data)
{
const char *long_key = key;
char *state_key = NULL;
const char *granted_prefix = "granted-ticket-";
const char *last_granted_prefix = "last-granted-";
static int granted_prefix_strlen = 0;
static int last_granted_prefix_strlen = 0;
const char *ticket_id = NULL;
const char *is_granted = NULL;
const char *last_granted = NULL;
const char *sep = NULL;
ticket_t *ticket = NULL;
pe_working_set_t *data_set = user_data;
if (granted_prefix_strlen == 0) {
granted_prefix_strlen = strlen(granted_prefix);
}
if (last_granted_prefix_strlen == 0) {
last_granted_prefix_strlen = strlen(last_granted_prefix);
}
if (strstr(long_key, granted_prefix) == long_key) {
ticket_id = long_key + granted_prefix_strlen;
if (strlen(ticket_id)) {
state_key = strdup("granted");
is_granted = value;
}
} else if (strstr(long_key, last_granted_prefix) == long_key) {
ticket_id = long_key + last_granted_prefix_strlen;
if (strlen(ticket_id)) {
state_key = strdup("last-granted");
last_granted = value;
}
} else if ((sep = strrchr(long_key, '-'))) {
ticket_id = sep + 1;
state_key = strndup(long_key, strlen(long_key) - strlen(sep));
}
if (ticket_id == NULL || strlen(ticket_id) == 0) {
free(state_key);
return;
}
if (state_key == NULL || strlen(state_key) == 0) {
free(state_key);
return;
}
ticket = g_hash_table_lookup(data_set->tickets, ticket_id);
if (ticket == NULL) {
ticket = ticket_new(ticket_id, data_set);
if (ticket == NULL) {
free(state_key);
return;
}
}
g_hash_table_replace(ticket->state, state_key, strdup(value));
if (is_granted) {
if (crm_is_true(is_granted)) {
ticket->granted = TRUE;
crm_info("We have ticket '%s'", ticket->id);
} else {
ticket->granted = FALSE;
crm_info("We do not have ticket '%s'", ticket->id);
}
} else if (last_granted) {
ticket->last_granted = crm_parse_int(last_granted, 0);
}
}
/* remove nodes that are down, stopping */
/* create +ve rsc_to_node constraints between resources and the nodes they are running on */
/* anything else? */
gboolean
unpack_status(xmlNode * status, pe_working_set_t * data_set)
{
const char *id = NULL;
const char *uname = NULL;
xmlNode *state = NULL;
xmlNode *lrm_rsc = NULL;
node_t *this_node = NULL;
crm_trace("Beginning unpack");
if (data_set->tickets == NULL) {
data_set->tickets =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, destroy_ticket);
}
for (state = __xml_first_child(status); state != NULL; state = __xml_next_element(state)) {
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_TICKETS, TRUE)) {
xmlNode *xml_tickets = state;
GHashTable *state_hash = NULL;
/* Compatibility with the deprecated ticket state section:
* Unpack the attributes in the deprecated "/cib/status/tickets/instance_attributes" if it exists. */
state_hash =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
g_hash_destroy_str);
unpack_instance_attributes(data_set->input, xml_tickets, XML_TAG_ATTR_SETS, NULL,
state_hash, NULL, TRUE, data_set->now);
g_hash_table_foreach(state_hash, get_ticket_state_legacy, data_set);
if (state_hash) {
g_hash_table_destroy(state_hash);
}
/* Unpack the new "/cib/status/tickets/ticket_state"s */
unpack_tickets_state(xml_tickets, data_set);
}
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE)) {
xmlNode *attrs = NULL;
const char *resource_discovery_enabled = NULL;
id = crm_element_value(state, XML_ATTR_ID);
uname = crm_element_value(state, XML_ATTR_UNAME);
this_node = pe_find_node_any(data_set->nodes, id, uname);
if (uname == NULL) {
/* error */
continue;
} else if (this_node == NULL) {
crm_config_warn("Node %s in status section no longer exists", uname);
continue;
} else if (is_remote_node(this_node)) {
/* online state for remote nodes is determined by the
* rsc state after all the unpacking is done. we do however
* need to mark whether or not the node has been fenced as this plays
* a role during unpacking cluster node resource state */
this_node->details->remote_was_fenced =
crm_atoi(crm_element_value(state, XML_NODE_IS_FENCED), "0");
continue;
}
crm_trace("Processing node id=%s, uname=%s", id, uname);
/* Mark the node as provisionally clean
* - at least we have seen it in the current cluster's lifetime
*/
this_node->details->unclean = FALSE;
this_node->details->unseen = FALSE;
attrs = find_xml_node(state, XML_TAG_TRANSIENT_NODEATTRS, FALSE);
add_node_attrs(attrs, this_node, TRUE, data_set);
if (crm_is_true(g_hash_table_lookup(this_node->details->attrs, "standby"))) {
crm_info("Node %s is in standby-mode", this_node->details->uname);
this_node->details->standby = TRUE;
}
if (crm_is_true(g_hash_table_lookup(this_node->details->attrs, "maintenance"))) {
crm_info("Node %s is in maintenance-mode", this_node->details->uname);
this_node->details->maintenance = TRUE;
}
resource_discovery_enabled = g_hash_table_lookup(this_node->details->attrs, XML_NODE_ATTR_RSC_DISCOVERY);
if (resource_discovery_enabled && !crm_is_true(resource_discovery_enabled)) {
crm_warn("ignoring %s attribute on node %s, disabling resource discovery is not allowed on cluster nodes",
XML_NODE_ATTR_RSC_DISCOVERY, this_node->details->uname);
}
crm_trace("determining node state");
determine_online_status(state, this_node, data_set);
if (this_node->details->online && data_set->no_quorum_policy == no_quorum_suicide) {
/* Everything else should flow from this automatically
* At least until the PE becomes able to migrate off healthy resources
*/
pe_fence_node(data_set, this_node, "because the cluster does not have quorum");
}
}
}
/* Now that we know all node states, we can safely handle migration ops */
for (state = __xml_first_child(status); state != NULL; state = __xml_next_element(state)) {
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE) == FALSE) {
continue;
}
id = crm_element_value(state, XML_ATTR_ID);
uname = crm_element_value(state, XML_ATTR_UNAME);
this_node = pe_find_node_any(data_set->nodes, id, uname);
if (this_node == NULL) {
crm_info("Node %s is unknown", id);
continue;
} else if (is_remote_node(this_node)) {
/* online status of remote node can not be determined until all other
* resource status is unpacked. */
continue;
} else if (this_node->details->online || is_set(data_set->flags, pe_flag_stonith_enabled)) {
crm_trace("Processing lrm resource entries on healthy node: %s",
this_node->details->uname);
lrm_rsc = find_xml_node(state, XML_CIB_TAG_LRM, FALSE);
lrm_rsc = find_xml_node(lrm_rsc, XML_LRM_TAG_RESOURCES, FALSE);
unpack_lrm_resources(this_node, lrm_rsc, data_set);
}
}
/* now that the rest of the cluster's status is determined
* calculate remote-nodes */
unpack_remote_status(status, data_set);
return TRUE;
}
gboolean
unpack_remote_status(xmlNode * status, pe_working_set_t * data_set)
{
const char *id = NULL;
const char *uname = NULL;
+ const char *shutdown = NULL;
+
GListPtr gIter = NULL;
xmlNode *state = NULL;
xmlNode *lrm_rsc = NULL;
node_t *this_node = NULL;
if (is_set(data_set->flags, pe_flag_have_remote_nodes) == FALSE) {
crm_trace("no remote nodes to unpack");
return TRUE;
}
/* get online status */
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
this_node = gIter->data;
if ((this_node == NULL) || (is_remote_node(this_node) == FALSE)) {
continue;
}
determine_remote_online_status(data_set, this_node);
}
/* process attributes */
for (state = __xml_first_child(status); state != NULL; state = __xml_next_element(state)) {
const char *resource_discovery_enabled = NULL;
xmlNode *attrs = NULL;
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE) == FALSE) {
continue;
}
id = crm_element_value(state, XML_ATTR_ID);
uname = crm_element_value(state, XML_ATTR_UNAME);
this_node = pe_find_node_any(data_set->nodes, id, uname);
if ((this_node == NULL) || (is_remote_node(this_node) == FALSE)) {
continue;
}
crm_trace("Processing remote node id=%s, uname=%s", id, uname);
if (this_node->details->remote_requires_reset == FALSE) {
this_node->details->unclean = FALSE;
this_node->details->unseen = FALSE;
}
attrs = find_xml_node(state, XML_TAG_TRANSIENT_NODEATTRS, FALSE);
add_node_attrs(attrs, this_node, TRUE, data_set);
+ shutdown = g_hash_table_lookup(this_node->details->attrs, XML_CIB_ATTR_SHUTDOWN);
+ if (shutdown != NULL && safe_str_neq("0", shutdown)) {
+ resource_t *rsc = this_node->details->remote_rsc;
+
+ crm_info("Node %s is shutting down", this_node->details->uname);
+ this_node->details->shutdown = TRUE;
+ rsc->next_role = RSC_ROLE_STOPPED;
+ }
+
if (crm_is_true(g_hash_table_lookup(this_node->details->attrs, "standby"))) {
crm_info("Node %s is in standby-mode", this_node->details->uname);
this_node->details->standby = TRUE;
}
if (crm_is_true(g_hash_table_lookup(this_node->details->attrs, "maintenance"))) {
crm_info("Node %s is in maintenance-mode", this_node->details->uname);
this_node->details->maintenance = TRUE;
}
resource_discovery_enabled = g_hash_table_lookup(this_node->details->attrs, XML_NODE_ATTR_RSC_DISCOVERY);
if (resource_discovery_enabled && !crm_is_true(resource_discovery_enabled)) {
if (is_baremetal_remote_node(this_node) && is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
crm_warn("ignoring %s attribute on baremetal remote node %s, disabling resource discovery requires stonith to be enabled.",
XML_NODE_ATTR_RSC_DISCOVERY, this_node->details->uname);
} else {
/* if we're here, this is either a baremetal node and fencing is enabled,
* or this is a container node which we don't care if fencing is enabled
* or not on. container nodes are 'fenced' by recovering the container resource
* regardless of whether fencing is enabled. */
crm_info("Node %s has resource discovery disabled", this_node->details->uname);
this_node->details->rsc_discovery_enabled = FALSE;
}
}
}
/* process node rsc status */
for (state = __xml_first_child(status); state != NULL; state = __xml_next_element(state)) {
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE) == FALSE) {
continue;
}
id = crm_element_value(state, XML_ATTR_ID);
uname = crm_element_value(state, XML_ATTR_UNAME);
this_node = pe_find_node_any(data_set->nodes, id, uname);
if ((this_node == NULL) || (is_remote_node(this_node) == FALSE)) {
continue;
}
crm_trace("Processing lrm resource entries on healthy remote node: %s",
this_node->details->uname);
lrm_rsc = find_xml_node(state, XML_CIB_TAG_LRM, FALSE);
lrm_rsc = find_xml_node(lrm_rsc, XML_LRM_TAG_RESOURCES, FALSE);
unpack_lrm_resources(this_node, lrm_rsc, data_set);
}
return TRUE;
}
static gboolean
determine_online_status_no_fencing(pe_working_set_t * data_set, xmlNode * node_state,
node_t * this_node)
{
gboolean online = FALSE;
const char *join = crm_element_value(node_state, XML_NODE_JOIN_STATE);
const char *is_peer = crm_element_value(node_state, XML_NODE_IS_PEER);
const char *in_cluster = crm_element_value(node_state, XML_NODE_IN_CLUSTER);
const char *exp_state = crm_element_value(node_state, XML_NODE_EXPECTED);
if (!crm_is_true(in_cluster)) {
crm_trace("Node is down: in_cluster=%s", crm_str(in_cluster));
} else if (safe_str_eq(is_peer, ONLINESTATUS)) {
if (safe_str_eq(join, CRMD_JOINSTATE_MEMBER)) {
online = TRUE;
} else {
crm_debug("Node is not ready to run resources: %s", join);
}
} else if (this_node->details->expected_up == FALSE) {
crm_trace("CRMd is down: in_cluster=%s", crm_str(in_cluster));
crm_trace("\tis_peer=%s, join=%s, expected=%s",
crm_str(is_peer), crm_str(join), crm_str(exp_state));
} else {
/* mark it unclean */
pe_fence_node(data_set, this_node, "unexpectedly down");
crm_info("\tin_cluster=%s, is_peer=%s, join=%s, expected=%s",
crm_str(in_cluster), crm_str(is_peer), crm_str(join), crm_str(exp_state));
}
return online;
}
static gboolean
determine_online_status_fencing(pe_working_set_t * data_set, xmlNode * node_state,
node_t * this_node)
{
gboolean online = FALSE;
gboolean do_terminate = FALSE;
const char *join = crm_element_value(node_state, XML_NODE_JOIN_STATE);
const char *is_peer = crm_element_value(node_state, XML_NODE_IS_PEER);
const char *in_cluster = crm_element_value(node_state, XML_NODE_IN_CLUSTER);
const char *exp_state = crm_element_value(node_state, XML_NODE_EXPECTED);
const char *terminate = g_hash_table_lookup(this_node->details->attrs, "terminate");
/*
- XML_NODE_IN_CLUSTER ::= true|false
- XML_NODE_IS_PEER ::= true|false|online|offline
- XML_NODE_JOIN_STATE ::= member|down|pending|banned
- XML_NODE_EXPECTED ::= member|down
*/
if (crm_is_true(terminate)) {
do_terminate = TRUE;
} else if (terminate != NULL && strlen(terminate) > 0) {
/* could be a time() value */
char t = terminate[0];
if (t != '0' && isdigit(t)) {
do_terminate = TRUE;
}
}
crm_trace("%s: in_cluster=%s, is_peer=%s, join=%s, expected=%s, term=%d",
this_node->details->uname, crm_str(in_cluster), crm_str(is_peer),
crm_str(join), crm_str(exp_state), do_terminate);
online = crm_is_true(in_cluster);
if (safe_str_eq(is_peer, ONLINESTATUS)) {
is_peer = XML_BOOLEAN_YES;
}
if (exp_state == NULL) {
exp_state = CRMD_JOINSTATE_DOWN;
}
if (this_node->details->shutdown) {
crm_debug("%s is shutting down", this_node->details->uname);
/* Slightly different criteria since we can't shut down a dead peer */
online = crm_is_true(is_peer);
} else if (in_cluster == NULL) {
pe_fence_node(data_set, this_node, "because the peer has not been seen by the cluster");
} else if (safe_str_eq(join, CRMD_JOINSTATE_NACK)) {
pe_fence_node(data_set, this_node, "because it failed the pacemaker membership criteria");
} else if (do_terminate == FALSE && safe_str_eq(exp_state, CRMD_JOINSTATE_DOWN)) {
if (crm_is_true(in_cluster) || crm_is_true(is_peer)) {
crm_info("- Node %s is not ready to run resources", this_node->details->uname);
this_node->details->standby = TRUE;
this_node->details->pending = TRUE;
} else {
crm_trace("%s is down or still coming up", this_node->details->uname);
}
} else if (do_terminate && safe_str_eq(join, CRMD_JOINSTATE_DOWN)
&& crm_is_true(in_cluster) == FALSE && crm_is_true(is_peer) == FALSE) {
crm_info("Node %s was just shot", this_node->details->uname);
online = FALSE;
} else if (crm_is_true(in_cluster) == FALSE) {
pe_fence_node(data_set, this_node, "because the node is no longer part of the cluster");
} else if (crm_is_true(is_peer) == FALSE) {
pe_fence_node(data_set, this_node, "because our peer process is no longer available");
/* Everything is running at this point, now check join state */
} else if (do_terminate) {
pe_fence_node(data_set, this_node, "because termination was requested");
} else if (safe_str_eq(join, CRMD_JOINSTATE_MEMBER)) {
crm_info("Node %s is active", this_node->details->uname);
} else if (safe_str_eq(join, CRMD_JOINSTATE_PENDING)
|| safe_str_eq(join, CRMD_JOINSTATE_DOWN)) {
crm_info("Node %s is not ready to run resources", this_node->details->uname);
this_node->details->standby = TRUE;
this_node->details->pending = TRUE;
} else {
pe_fence_node(data_set, this_node, "because the peer was in an unknown state");
crm_warn("%s: in-cluster=%s, is-peer=%s, join=%s, expected=%s, term=%d, shutdown=%d",
this_node->details->uname, crm_str(in_cluster), crm_str(is_peer),
crm_str(join), crm_str(exp_state), do_terminate, this_node->details->shutdown);
}
return online;
}
static gboolean
determine_remote_online_status(pe_working_set_t * data_set, node_t * this_node)
{
resource_t *rsc = this_node->details->remote_rsc;
resource_t *container = NULL;
if (rsc == NULL) {
this_node->details->online = FALSE;
goto remote_online_done;
}
container = rsc->container;
CRM_ASSERT(rsc != NULL);
/* If the resource is currently started, mark it online. */
if (rsc->role == RSC_ROLE_STARTED) {
crm_trace("Remote node %s is set to ONLINE. role == started", this_node->details->id);
this_node->details->online = TRUE;
}
/* consider this node shutting down if transitioning start->stop */
if (rsc->role == RSC_ROLE_STARTED && rsc->next_role == RSC_ROLE_STOPPED) {
crm_trace("Remote node %s shutdown. transition from start to stop role", this_node->details->id);
this_node->details->shutdown = TRUE;
}
/* Now check all the failure conditions. */
if(container && is_set(container->flags, pe_rsc_failed)) {
crm_trace("Remote node %s is set to UNCLEAN. rsc failed.", this_node->details->id);
this_node->details->online = FALSE;
this_node->details->remote_requires_reset = TRUE;
} else if(is_set(rsc->flags, pe_rsc_failed)) {
crm_trace("Remote node %s is set to OFFLINE. rsc failed.", this_node->details->id);
this_node->details->online = FALSE;
} else if (rsc->role == RSC_ROLE_STOPPED
|| (container && container->role == RSC_ROLE_STOPPED)) {
crm_trace("Remote node %s is set to OFFLINE. node is stopped.", this_node->details->id);
this_node->details->online = FALSE;
this_node->details->remote_requires_reset = FALSE;
}
remote_online_done:
crm_trace("Remote node %s online=%s",
this_node->details->id, this_node->details->online ? "TRUE" : "FALSE");
return this_node->details->online;
}
gboolean
determine_online_status(xmlNode * node_state, node_t * this_node, pe_working_set_t * data_set)
{
gboolean online = FALSE;
const char *shutdown = NULL;
const char *exp_state = crm_element_value(node_state, XML_NODE_EXPECTED);
if (this_node == NULL) {
crm_config_err("No node to check");
return online;
}
this_node->details->shutdown = FALSE;
this_node->details->expected_up = FALSE;
shutdown = g_hash_table_lookup(this_node->details->attrs, XML_CIB_ATTR_SHUTDOWN);
if (shutdown != NULL && safe_str_neq("0", shutdown)) {
this_node->details->shutdown = TRUE;
} else if (safe_str_eq(exp_state, CRMD_JOINSTATE_MEMBER)) {
this_node->details->expected_up = TRUE;
}
if (this_node->details->type == node_ping) {
this_node->details->unclean = FALSE;
online = FALSE; /* As far as resource management is concerned,
* the node is safely offline.
* Anyone caught abusing this logic will be shot
*/
} else if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE) {
online = determine_online_status_no_fencing(data_set, node_state, this_node);
} else {
online = determine_online_status_fencing(data_set, node_state, this_node);
}
if (online) {
this_node->details->online = TRUE;
} else {
/* remove node from contention */
this_node->fixed = TRUE;
this_node->weight = -INFINITY;
}
if (online && this_node->details->shutdown) {
/* dont run resources here */
this_node->fixed = TRUE;
this_node->weight = -INFINITY;
}
if (this_node->details->type == node_ping) {
crm_info("Node %s is not a pacemaker node", this_node->details->uname);
} else if (this_node->details->unclean) {
pe_proc_warn("Node %s is unclean", this_node->details->uname);
} else if (this_node->details->online) {
crm_info("Node %s is %s", this_node->details->uname,
this_node->details->shutdown ? "shutting down" :
this_node->details->pending ? "pending" :
this_node->details->standby ? "standby" :
this_node->details->maintenance ? "maintenance" : "online");
} else {
crm_trace("Node %s is offline", this_node->details->uname);
}
return online;
}
char *
clone_strip(const char *last_rsc_id)
{
int lpc = 0;
char *zero = NULL;
CRM_CHECK(last_rsc_id != NULL, return NULL);
lpc = strlen(last_rsc_id);
while (--lpc > 0) {
switch (last_rsc_id[lpc]) {
case 0:
crm_err("Empty string: %s", last_rsc_id);
return NULL;
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
break;
case ':':
zero = calloc(1, lpc + 1);
memcpy(zero, last_rsc_id, lpc);
zero[lpc] = 0;
return zero;
default:
goto done;
}
}
done:
zero = strdup(last_rsc_id);
return zero;
}
char *
clone_zero(const char *last_rsc_id)
{
int lpc = 0;
char *zero = NULL;
CRM_CHECK(last_rsc_id != NULL, return NULL);
if (last_rsc_id != NULL) {
lpc = strlen(last_rsc_id);
}
while (--lpc > 0) {
switch (last_rsc_id[lpc]) {
case 0:
return NULL;
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
break;
case ':':
zero = calloc(1, lpc + 3);
memcpy(zero, last_rsc_id, lpc);
zero[lpc] = ':';
zero[lpc + 1] = '0';
zero[lpc + 2] = 0;
return zero;
default:
goto done;
}
}
done:
lpc = strlen(last_rsc_id);
zero = calloc(1, lpc + 3);
memcpy(zero, last_rsc_id, lpc);
zero[lpc] = ':';
zero[lpc + 1] = '0';
zero[lpc + 2] = 0;
crm_trace("%s -> %s", last_rsc_id, zero);
return zero;
}
static resource_t *
create_fake_resource(const char *rsc_id, xmlNode * rsc_entry, pe_working_set_t * data_set)
{
resource_t *rsc = NULL;
xmlNode *xml_rsc = create_xml_node(NULL, XML_CIB_TAG_RESOURCE);
copy_in_properties(xml_rsc, rsc_entry);
crm_xml_add(xml_rsc, XML_ATTR_ID, rsc_id);
crm_log_xml_debug(xml_rsc, "Orphan resource");
if (!common_unpack(xml_rsc, &rsc, NULL, data_set)) {
return NULL;
}
if (xml_contains_remote_node(xml_rsc)) {
node_t *node;
crm_debug("Detected orphaned remote node %s", rsc_id);
rsc->is_remote_node = TRUE;
node = pe_find_node(data_set->nodes, rsc_id);
if (node == NULL) {
node = create_node(rsc_id, rsc_id, "remote", NULL, data_set);
}
link_rsc2remotenode(data_set, rsc);
if (node) {
crm_trace("Setting node %s as shutting down due to orphaned connection resource", rsc_id);
node->details->shutdown = TRUE;
}
}
if (crm_element_value(rsc_entry, XML_RSC_ATTR_CONTAINER)) {
/* This orphaned rsc needs to be mapped to a container. */
crm_trace("Detected orphaned container filler %s", rsc_id);
set_bit(rsc->flags, pe_rsc_orphan_container_filler);
}
set_bit(rsc->flags, pe_rsc_orphan);
data_set->resources = g_list_append(data_set->resources, rsc);
return rsc;
}
extern resource_t *create_child_clone(resource_t * rsc, int sub_id, pe_working_set_t * data_set);
static resource_t *
find_anonymous_clone(pe_working_set_t * data_set, node_t * node, resource_t * parent,
const char *rsc_id)
{
GListPtr rIter = NULL;
resource_t *rsc = NULL;
gboolean skip_inactive = FALSE;
CRM_ASSERT(parent != NULL);
CRM_ASSERT(parent->variant == pe_clone || parent->variant == pe_master);
CRM_ASSERT(is_not_set(parent->flags, pe_rsc_unique));
/* Find an instance active (or partially active for grouped clones) on the specified node */
pe_rsc_trace(parent, "Looking for %s on %s in %s", rsc_id, node->details->uname, parent->id);
for (rIter = parent->children; rsc == NULL && rIter; rIter = rIter->next) {
GListPtr nIter = NULL;
GListPtr locations = NULL;
resource_t *child = rIter->data;
child->fns->location(child, &locations, TRUE);
if (locations == NULL) {
pe_rsc_trace(child, "Resource %s, skip inactive", child->id);
continue;
}
for (nIter = locations; nIter && rsc == NULL; nIter = nIter->next) {
node_t *childnode = nIter->data;
if (childnode->details == node->details) {
/* ->find_rsc() because we might be a cloned group */
rsc = parent->fns->find_rsc(child, rsc_id, NULL, pe_find_clone);
if(rsc) {
pe_rsc_trace(rsc, "Resource %s, active", rsc->id);
}
}
/* Keep this block, it means we'll do the right thing if
* anyone toggles the unique flag to 'off'
*/
if (rsc && rsc->running_on) {
crm_notice("/Anonymous/ clone %s is already running on %s",
parent->id, node->details->uname);
skip_inactive = TRUE;
rsc = NULL;
}
}
g_list_free(locations);
}
/* Find an inactive instance */
if (skip_inactive == FALSE) {
pe_rsc_trace(parent, "Looking for %s anywhere", rsc_id);
for (rIter = parent->children; rsc == NULL && rIter; rIter = rIter->next) {
GListPtr locations = NULL;
resource_t *child = rIter->data;
if (is_set(child->flags, pe_rsc_block)) {
pe_rsc_trace(child, "Skip: blocked in stopped state");
continue;
}
child->fns->location(child, &locations, TRUE);
if (locations == NULL) {
/* ->find_rsc() because we might be a cloned group */
rsc = parent->fns->find_rsc(child, rsc_id, NULL, pe_find_clone);
pe_rsc_trace(parent, "Resource %s, empty slot", rsc->id);
}
g_list_free(locations);
}
}
if (rsc == NULL) {
/* Create an extra orphan */
resource_t *top = create_child_clone(parent, -1, data_set);
/* ->find_rsc() because we might be a cloned group */
rsc = top->fns->find_rsc(top, rsc_id, NULL, pe_find_clone);
CRM_ASSERT(rsc != NULL);
pe_rsc_debug(parent, "Created orphan %s for %s: %s on %s", top->id, parent->id, rsc_id,
node->details->uname);
}
if (safe_str_neq(rsc_id, rsc->id)) {
pe_rsc_debug(rsc, "Internally renamed %s on %s to %s%s",
rsc_id, node->details->uname, rsc->id,
is_set(rsc->flags, pe_rsc_orphan) ? " (ORPHAN)" : "");
}
return rsc;
}
static resource_t *
unpack_find_resource(pe_working_set_t * data_set, node_t * node, const char *rsc_id,
xmlNode * rsc_entry)
{
resource_t *rsc = NULL;
resource_t *parent = NULL;
crm_trace("looking for %s", rsc_id);
rsc = pe_find_resource(data_set->resources, rsc_id);
/* no match */
if (rsc == NULL) {
/* Even when clone-max=0, we still create a single :0 orphan to match against */
char *tmp = clone_zero(rsc_id);
resource_t *clone0 = pe_find_resource(data_set->resources, tmp);
if (clone0 && is_not_set(clone0->flags, pe_rsc_unique)) {
rsc = clone0;
} else {
crm_trace("%s is not known as %s either", rsc_id, tmp);
}
parent = uber_parent(clone0);
free(tmp);
crm_trace("%s not found: %s", rsc_id, parent ? parent->id : "orphan");
} else if (rsc->variant > pe_native) {
crm_trace("%s is no longer a primitve resource, the lrm_resource entry is obsolete",
rsc_id);
return NULL;
} else {
parent = uber_parent(rsc);
}
if (parent && parent->variant > pe_group) {
if (is_not_set(parent->flags, pe_rsc_unique)) {
char *base = clone_strip(rsc_id);
rsc = find_anonymous_clone(data_set, node, parent, base);
CRM_ASSERT(rsc != NULL);
free(base);
}
if (rsc && safe_str_neq(rsc_id, rsc->id)) {
free(rsc->clone_name);
rsc->clone_name = strdup(rsc_id);
}
}
return rsc;
}
static resource_t *
process_orphan_resource(xmlNode * rsc_entry, node_t * node, pe_working_set_t * data_set)
{
resource_t *rsc = NULL;
const char *rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID);
crm_debug("Detected orphan resource %s on %s", rsc_id, node->details->uname);
rsc = create_fake_resource(rsc_id, rsc_entry, data_set);
if (is_set(data_set->flags, pe_flag_stop_rsc_orphans) == FALSE) {
clear_bit(rsc->flags, pe_rsc_managed);
} else {
print_resource(LOG_DEBUG_3, "Added orphan", rsc, FALSE);
CRM_CHECK(rsc != NULL, return NULL);
resource_location(rsc, NULL, -INFINITY, "__orphan_dont_run__", data_set);
}
return rsc;
}
static void
process_rsc_state(resource_t * rsc, node_t * node,
enum action_fail_response on_fail,
xmlNode * migrate_op, pe_working_set_t * data_set)
{
node_t *tmpnode = NULL;
CRM_ASSERT(rsc);
pe_rsc_trace(rsc, "Resource %s is %s on %s: on_fail=%s",
rsc->id, role2text(rsc->role), node->details->uname, fail2text(on_fail));
/* process current state */
if (rsc->role != RSC_ROLE_UNKNOWN) {
resource_t *iter = rsc;
while (iter) {
if (g_hash_table_lookup(iter->known_on, node->details->id) == NULL) {
node_t *n = node_copy(node);
pe_rsc_trace(rsc, "%s (aka. %s) known on %s", rsc->id, rsc->clone_name,
n->details->uname);
g_hash_table_insert(iter->known_on, (gpointer) n->details->id, n);
}
if (is_set(iter->flags, pe_rsc_unique)) {
break;
}
iter = iter->parent;
}
}
if (rsc->role > RSC_ROLE_STOPPED
&& node->details->online == FALSE && is_set(rsc->flags, pe_rsc_managed)) {
char *reason = NULL;
gboolean should_fence = FALSE;
/* if this is a remote_node living in a container, fence the container
* by recovering it. Mark the resource as unmanaged. Once the container
* and remote connenction are re-established, the status section will
* get reset in the crmd freeing up this resource to run again once we
* are sure we know the resources state. */
if (is_container_remote_node(node)) {
set_bit(rsc->flags, pe_rsc_failed);
should_fence = TRUE;
} else if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
if (is_baremetal_remote_node(node) && node->details->remote_rsc && is_not_set(node->details->remote_rsc->flags, pe_rsc_failed)) {
/* setting unseen = true means that fencing of the remote node will
* only occur if the connection resource is not going to start somewhere.
* This allows connection resources on a failed cluster-node to move to
* another node without requiring the baremetal remote nodes to be fenced
* as well. */
node->details->unseen = TRUE;
reason = crm_strdup_printf("because %s is active there. Fencing will be revoked if remote-node connection can be re-established on another cluster-node.", rsc->id);
}
should_fence = TRUE;
}
if (should_fence) {
if (reason == NULL) {
reason = crm_strdup_printf("because %s is thought to be active there", rsc->id);
}
pe_fence_node(data_set, node, reason);
}
free(reason);
}
if (node->details->unclean) {
/* No extra processing needed
* Also allows resources to be started again after a node is shot
*/
on_fail = action_fail_ignore;
}
switch (on_fail) {
case action_fail_ignore:
/* nothing to do */
break;
case action_fail_fence:
/* treat it as if it is still running
* but also mark the node as unclean
*/
pe_fence_node(data_set, node, "because of resource failure(s)");
break;
case action_fail_standby:
node->details->standby = TRUE;
node->details->standby_onfail = TRUE;
break;
case action_fail_block:
/* is_managed == FALSE will prevent any
* actions being sent for the resource
*/
clear_bit(rsc->flags, pe_rsc_managed);
set_bit(rsc->flags, pe_rsc_block);
break;
case action_fail_migrate:
/* make sure it comes up somewhere else
* or not at all
*/
resource_location(rsc, node, -INFINITY, "__action_migration_auto__", data_set);
break;
case action_fail_stop:
rsc->next_role = RSC_ROLE_STOPPED;
break;
case action_fail_recover:
if (rsc->role != RSC_ROLE_STOPPED && rsc->role != RSC_ROLE_UNKNOWN) {
set_bit(rsc->flags, pe_rsc_failed);
stop_action(rsc, node, FALSE);
}
break;
case action_fail_restart_container:
set_bit(rsc->flags, pe_rsc_failed);
if (rsc->container) {
stop_action(rsc->container, node, FALSE);
} else if (rsc->role != RSC_ROLE_STOPPED && rsc->role != RSC_ROLE_UNKNOWN) {
stop_action(rsc, node, FALSE);
}
break;
case action_fail_reset_remote:
set_bit(rsc->flags, pe_rsc_failed);
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
tmpnode = NULL;
if (rsc->is_remote_node) {
tmpnode = pe_find_node(data_set->nodes, rsc->id);
}
if (tmpnode &&
is_baremetal_remote_node(tmpnode) &&
tmpnode->details->remote_was_fenced == 0) {
/* connection resource to baremetal resource failed in a way that
* should result in fencing the remote-node. */
pe_fence_node(data_set, tmpnode, "because of connection failure(s)");
}
}
/* require the stop action regardless if fencing is occuring or not. */
if (rsc->role > RSC_ROLE_STOPPED) {
stop_action(rsc, node, FALSE);
}
/* if reconnect delay is in use, prevent the connection from exiting the
* "STOPPED" role until the failure is cleared by the delay timeout. */
if (rsc->remote_reconnect_interval) {
rsc->next_role = RSC_ROLE_STOPPED;
}
break;
}
/* ensure a remote-node connection failure forces an unclean remote-node
* to be fenced. By setting unseen = FALSE, the remote-node failure will
* result in a fencing operation regardless if we're going to attempt to
* reconnect to the remote-node in this transition or not. */
if (is_set(rsc->flags, pe_rsc_failed) && rsc->is_remote_node) {
tmpnode = pe_find_node(data_set->nodes, rsc->id);
if (tmpnode && tmpnode->details->unclean) {
tmpnode->details->unseen = FALSE;
}
}
if (rsc->role != RSC_ROLE_STOPPED && rsc->role != RSC_ROLE_UNKNOWN) {
if (is_set(rsc->flags, pe_rsc_orphan)) {
if (is_set(rsc->flags, pe_rsc_managed)) {
crm_config_warn("Detected active orphan %s running on %s",
rsc->id, node->details->uname);
} else {
crm_config_warn("Cluster configured not to stop active orphans."
" %s must be stopped manually on %s",
rsc->id, node->details->uname);
}
}
native_add_running(rsc, node, data_set);
if (on_fail != action_fail_ignore) {
set_bit(rsc->flags, pe_rsc_failed);
}
} else if (rsc->clone_name && strchr(rsc->clone_name, ':') != NULL) {
/* Only do this for older status sections that included instance numbers
* Otherwise stopped instances will appear as orphans
*/
pe_rsc_trace(rsc, "Resetting clone_name %s for %s (stopped)", rsc->clone_name, rsc->id);
free(rsc->clone_name);
rsc->clone_name = NULL;
} else {
char *key = stop_key(rsc);
GListPtr possible_matches = find_actions(rsc->actions, key, node);
GListPtr gIter = possible_matches;
for (; gIter != NULL; gIter = gIter->next) {
action_t *stop = (action_t *) gIter->data;
stop->flags |= pe_action_optional;
}
g_list_free(possible_matches);
free(key);
}
}
/* create active recurring operations as optional */
static void
process_recurring(node_t * node, resource_t * rsc,
int start_index, int stop_index,
GListPtr sorted_op_list, pe_working_set_t * data_set)
{
int counter = -1;
const char *task = NULL;
const char *status = NULL;
GListPtr gIter = sorted_op_list;
CRM_ASSERT(rsc);
pe_rsc_trace(rsc, "%s: Start index %d, stop index = %d", rsc->id, start_index, stop_index);
for (; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
int interval = 0;
char *key = NULL;
const char *id = ID(rsc_op);
const char *interval_s = NULL;
counter++;
if (node->details->online == FALSE) {
pe_rsc_trace(rsc, "Skipping %s/%s: node is offline", rsc->id, node->details->uname);
break;
/* Need to check if there's a monitor for role="Stopped" */
} else if (start_index < stop_index && counter <= stop_index) {
pe_rsc_trace(rsc, "Skipping %s/%s: resource is not active", id, node->details->uname);
continue;
} else if (counter < start_index) {
pe_rsc_trace(rsc, "Skipping %s/%s: old %d", id, node->details->uname, counter);
continue;
}
interval_s = crm_element_value(rsc_op, XML_LRM_ATTR_INTERVAL);
interval = crm_parse_int(interval_s, "0");
if (interval == 0) {
pe_rsc_trace(rsc, "Skipping %s/%s: non-recurring", id, node->details->uname);
continue;
}
status = crm_element_value(rsc_op, XML_LRM_ATTR_OPSTATUS);
if (safe_str_eq(status, "-1")) {
pe_rsc_trace(rsc, "Skipping %s/%s: status", id, node->details->uname);
continue;
}
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
/* create the action */
key = generate_op_key(rsc->id, task, interval);
pe_rsc_trace(rsc, "Creating %s/%s", key, node->details->uname);
custom_action(rsc, key, task, node, TRUE, TRUE, data_set);
}
}
void
calculate_active_ops(GListPtr sorted_op_list, int *start_index, int *stop_index)
{
int counter = -1;
int implied_monitor_start = -1;
int implied_master_start = -1;
const char *task = NULL;
const char *status = NULL;
GListPtr gIter = sorted_op_list;
*stop_index = -1;
*start_index = -1;
for (; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
counter++;
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
status = crm_element_value(rsc_op, XML_LRM_ATTR_OPSTATUS);
if (safe_str_eq(task, CRMD_ACTION_STOP)
&& safe_str_eq(status, "0")) {
*stop_index = counter;
} else if (safe_str_eq(task, CRMD_ACTION_START) || safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
*start_index = counter;
} else if ((implied_monitor_start <= *stop_index) && safe_str_eq(task, CRMD_ACTION_STATUS)) {
const char *rc = crm_element_value(rsc_op, XML_LRM_ATTR_RC);
if (safe_str_eq(rc, "0") || safe_str_eq(rc, "8")) {
implied_monitor_start = counter;
}
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE) || safe_str_eq(task, CRMD_ACTION_DEMOTE)) {
implied_master_start = counter;
}
}
if (*start_index == -1) {
if (implied_master_start != -1) {
*start_index = implied_master_start;
} else if (implied_monitor_start != -1) {
*start_index = implied_monitor_start;
}
}
}
static resource_t *
unpack_lrm_rsc_state(node_t * node, xmlNode * rsc_entry, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
int stop_index = -1;
int start_index = -1;
enum rsc_role_e req_role = RSC_ROLE_UNKNOWN;
const char *task = NULL;
const char *rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID);
resource_t *rsc = NULL;
GListPtr op_list = NULL;
GListPtr sorted_op_list = NULL;
xmlNode *migrate_op = NULL;
xmlNode *rsc_op = NULL;
enum action_fail_response on_fail = FALSE;
enum rsc_role_e saved_role = RSC_ROLE_UNKNOWN;
crm_trace("[%s] Processing %s on %s",
crm_element_name(rsc_entry), rsc_id, node->details->uname);
/* extract operations */
op_list = NULL;
sorted_op_list = NULL;
for (rsc_op = __xml_first_child(rsc_entry); rsc_op != NULL; rsc_op = __xml_next_element(rsc_op)) {
if (crm_str_eq((const char *)rsc_op->name, XML_LRM_TAG_RSC_OP, TRUE)) {
op_list = g_list_prepend(op_list, rsc_op);
}
}
if (op_list == NULL) {
/* if there are no operations, there is nothing to do */
return NULL;
}
/* find the resource */
rsc = unpack_find_resource(data_set, node, rsc_id, rsc_entry);
if (rsc == NULL) {
rsc = process_orphan_resource(rsc_entry, node, data_set);
}
CRM_ASSERT(rsc != NULL);
/* process operations */
saved_role = rsc->role;
on_fail = action_fail_ignore;
rsc->role = RSC_ROLE_UNKNOWN;
sorted_op_list = g_list_sort(op_list, sort_op_by_callid);
for (gIter = sorted_op_list; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
if (safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
migrate_op = rsc_op;
}
unpack_rsc_op(rsc, node, rsc_op, &on_fail, data_set);
}
/* create active recurring operations as optional */
calculate_active_ops(sorted_op_list, &start_index, &stop_index);
process_recurring(node, rsc, start_index, stop_index, sorted_op_list, data_set);
/* no need to free the contents */
g_list_free(sorted_op_list);
process_rsc_state(rsc, node, on_fail, migrate_op, data_set);
if (get_target_role(rsc, &req_role)) {
if (rsc->next_role == RSC_ROLE_UNKNOWN || req_role < rsc->next_role) {
pe_rsc_debug(rsc, "%s: Overwriting calculated next role %s"
" with requested next role %s",
rsc->id, role2text(rsc->next_role), role2text(req_role));
rsc->next_role = req_role;
} else if (req_role > rsc->next_role) {
pe_rsc_info(rsc, "%s: Not overwriting calculated next role %s"
" with requested next role %s",
rsc->id, role2text(rsc->next_role), role2text(req_role));
}
}
if (saved_role > rsc->role) {
rsc->role = saved_role;
}
return rsc;
}
static void
handle_orphaned_container_fillers(xmlNode * lrm_rsc_list, pe_working_set_t * data_set)
{
xmlNode *rsc_entry = NULL;
for (rsc_entry = __xml_first_child(lrm_rsc_list); rsc_entry != NULL;
rsc_entry = __xml_next_element(rsc_entry)) {
resource_t *rsc;
resource_t *container;
const char *rsc_id;
const char *container_id;
if (safe_str_neq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE)) {
continue;
}
container_id = crm_element_value(rsc_entry, XML_RSC_ATTR_CONTAINER);
rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID);
if (container_id == NULL || rsc_id == NULL) {
continue;
}
container = pe_find_resource(data_set->resources, container_id);
if (container == NULL) {
continue;
}
rsc = pe_find_resource(data_set->resources, rsc_id);
if (rsc == NULL ||
is_set(rsc->flags, pe_rsc_orphan_container_filler) == FALSE ||
rsc->container != NULL) {
continue;
}
pe_rsc_trace(rsc, "Mapped orphaned rsc %s's container to %s", rsc->id, container_id);
rsc->container = container;
container->fillers = g_list_append(container->fillers, rsc);
}
}
gboolean
unpack_lrm_resources(node_t * node, xmlNode * lrm_rsc_list, pe_working_set_t * data_set)
{
xmlNode *rsc_entry = NULL;
gboolean found_orphaned_container_filler = FALSE;
GListPtr unexpected_containers = NULL;
GListPtr gIter = NULL;
resource_t *remote = NULL;
CRM_CHECK(node != NULL, return FALSE);
crm_trace("Unpacking resources on %s", node->details->uname);
for (rsc_entry = __xml_first_child(lrm_rsc_list); rsc_entry != NULL;
rsc_entry = __xml_next_element(rsc_entry)) {
if (crm_str_eq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE, TRUE)) {
resource_t *rsc;
rsc = unpack_lrm_rsc_state(node, rsc_entry, data_set);
if (!rsc) {
continue;
}
if (is_set(rsc->flags, pe_rsc_orphan_container_filler)) {
found_orphaned_container_filler = TRUE;
}
if (is_set(rsc->flags, pe_rsc_unexpectedly_running)) {
remote = rsc_contains_remote_node(data_set, rsc);
if (remote) {
unexpected_containers = g_list_append(unexpected_containers, remote);
}
}
}
}
/* If a container resource is unexpectedly up... and the remote-node
* connection resource for that container is not up, the entire container
* must be recovered. */
for (gIter = unexpected_containers; gIter != NULL; gIter = gIter->next) {
remote = (resource_t *) gIter->data;
if (remote->role != RSC_ROLE_STARTED) {
crm_warn("Recovering container resource %s. Resource is unexpectedly running and involves a remote-node.", remote->container->id);
set_bit(remote->container->flags, pe_rsc_failed);
}
}
/* now that all the resource state has been unpacked for this node
* we have to go back and map any orphaned container fillers to their
* container resource */
if (found_orphaned_container_filler) {
handle_orphaned_container_fillers(lrm_rsc_list, data_set);
}
g_list_free(unexpected_containers);
return TRUE;
}
static void
set_active(resource_t * rsc)
{
resource_t *top = uber_parent(rsc);
if (top && top->variant == pe_master) {
rsc->role = RSC_ROLE_SLAVE;
} else {
rsc->role = RSC_ROLE_STARTED;
}
}
static void
set_node_score(gpointer key, gpointer value, gpointer user_data)
{
node_t *node = value;
int *score = user_data;
node->weight = *score;
}
#define STATUS_PATH_MAX 1024
static xmlNode *
find_lrm_op(const char *resource, const char *op, const char *node, const char *source,
pe_working_set_t * data_set)
{
int offset = 0;
char xpath[STATUS_PATH_MAX];
offset += snprintf(xpath + offset, STATUS_PATH_MAX - offset, "//node_state[@uname='%s']", node);
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset, "//" XML_LRM_TAG_RESOURCE "[@id='%s']",
resource);
/* Need to check against transition_magic too? */
if (source && safe_str_eq(op, CRMD_ACTION_MIGRATE)) {
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset,
"/" XML_LRM_TAG_RSC_OP "[@operation='%s' and @migrate_target='%s']", op,
source);
} else if (source && safe_str_eq(op, CRMD_ACTION_MIGRATED)) {
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset,
"/" XML_LRM_TAG_RSC_OP "[@operation='%s' and @migrate_source='%s']", op,
source);
} else {
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset,
"/" XML_LRM_TAG_RSC_OP "[@operation='%s']", op);
}
CRM_LOG_ASSERT(offset > 0);
return get_xpath_object(xpath, data_set->input, LOG_DEBUG);
}
static void
unpack_rsc_migration(resource_t *rsc, node_t *node, xmlNode *xml_op, pe_working_set_t * data_set)
{
/*
* The normal sequence is (now): migrate_to(Src) -> migrate_from(Tgt) -> stop(Src)
*
* So if a migrate_to is followed by a stop, then we dont need to care what
* happended on the target node
*
* Without the stop, we need to look for a successful migrate_from.
* This would also imply we're no longer running on the source
*
* Without the stop, and without a migrate_from op we make sure the resource
* gets stopped on both source and target (assuming the target is up)
*
*/
int stop_id = 0;
int task_id = 0;
xmlNode *stop_op =
find_lrm_op(rsc->id, CRMD_ACTION_STOP, node->details->id, NULL, data_set);
if (stop_op) {
crm_element_value_int(stop_op, XML_LRM_ATTR_CALLID, &stop_id);
}
crm_element_value_int(xml_op, XML_LRM_ATTR_CALLID, &task_id);
if (stop_op == NULL || stop_id < task_id) {
int from_rc = 0, from_status = 0;
const char *migrate_source =
crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *migrate_target =
crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
node_t *target = pe_find_node(data_set->nodes, migrate_target);
node_t *source = pe_find_node(data_set->nodes, migrate_source);
xmlNode *migrate_from =
find_lrm_op(rsc->id, CRMD_ACTION_MIGRATED, migrate_target, migrate_source,
data_set);
rsc->role = RSC_ROLE_STARTED; /* can be master? */
if (migrate_from) {
crm_element_value_int(migrate_from, XML_LRM_ATTR_RC, &from_rc);
crm_element_value_int(migrate_from, XML_LRM_ATTR_OPSTATUS, &from_status);
pe_rsc_trace(rsc, "%s op on %s exited with status=%d, rc=%d",
ID(migrate_from), migrate_target, from_status, from_rc);
}
if (migrate_from && from_rc == PCMK_OCF_OK
&& from_status == PCMK_LRM_OP_DONE) {
pe_rsc_trace(rsc, "Detected dangling migration op: %s on %s", ID(xml_op),
migrate_source);
/* all good
* just need to arrange for the stop action to get sent
* but _without_ affecting the target somehow
*/
rsc->role = RSC_ROLE_STOPPED;
rsc->dangling_migrations = g_list_prepend(rsc->dangling_migrations, node);
} else if (migrate_from) { /* Failed */
if (target && target->details->online) {
pe_rsc_trace(rsc, "Marking active on %s %p %d", migrate_target, target,
target->details->online);
native_add_running(rsc, target, data_set);
}
} else { /* Pending or complete but erased */
if (target && target->details->online) {
pe_rsc_trace(rsc, "Marking active on %s %p %d", migrate_target, target,
target->details->online);
native_add_running(rsc, target, data_set);
if (source && source->details->online) {
/* If we make it here we have a partial migration. The migrate_to
* has completed but the migrate_from on the target has not. Hold on
* to the target and source on the resource. Later on if we detect that
* the resource is still going to run on that target, we may continue
* the migration */
rsc->partial_migration_target = target;
rsc->partial_migration_source = source;
}
} else {
/* Consider it failed here - forces a restart, prevents migration */
set_bit(rsc->flags, pe_rsc_failed);
clear_bit(rsc->flags, pe_rsc_allow_migrate);
}
}
}
}
static void
unpack_rsc_migration_failure(resource_t *rsc, node_t *node, xmlNode *xml_op, pe_working_set_t * data_set)
{
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
CRM_ASSERT(rsc);
if (safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
int stop_id = 0;
int migrate_id = 0;
const char *migrate_source = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *migrate_target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
xmlNode *stop_op =
find_lrm_op(rsc->id, CRMD_ACTION_STOP, migrate_source, NULL, data_set);
xmlNode *migrate_op =
find_lrm_op(rsc->id, CRMD_ACTION_MIGRATE, migrate_source, migrate_target,
data_set);
if (stop_op) {
crm_element_value_int(stop_op, XML_LRM_ATTR_CALLID, &stop_id);
}
if (migrate_op) {
crm_element_value_int(migrate_op, XML_LRM_ATTR_CALLID, &migrate_id);
}
/* Get our state right */
rsc->role = RSC_ROLE_STARTED; /* can be master? */
if (stop_op == NULL || stop_id < migrate_id) {
node_t *source = pe_find_node(data_set->nodes, migrate_source);
if (source && source->details->online) {
native_add_running(rsc, source, data_set);
}
}
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATE)) {
int stop_id = 0;
int migrate_id = 0;
const char *migrate_source = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *migrate_target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
xmlNode *stop_op =
find_lrm_op(rsc->id, CRMD_ACTION_STOP, migrate_target, NULL, data_set);
xmlNode *migrate_op =
find_lrm_op(rsc->id, CRMD_ACTION_MIGRATED, migrate_target, migrate_source,
data_set);
if (stop_op) {
crm_element_value_int(stop_op, XML_LRM_ATTR_CALLID, &stop_id);
}
if (migrate_op) {
crm_element_value_int(migrate_op, XML_LRM_ATTR_CALLID, &migrate_id);
}
/* Get our state right */
rsc->role = RSC_ROLE_STARTED; /* can be master? */
if (stop_op == NULL || stop_id < migrate_id) {
node_t *target = pe_find_node(data_set->nodes, migrate_target);
pe_rsc_trace(rsc, "Stop: %p %d, Migrated: %p %d", stop_op, stop_id, migrate_op,
migrate_id);
if (target && target->details->online) {
native_add_running(rsc, target, data_set);
}
} else if (migrate_op == NULL) {
/* Make sure it gets cleaned up, the stop may pre-date the migrate_from */
rsc->dangling_migrations = g_list_prepend(rsc->dangling_migrations, node);
}
}
}
static void
record_failed_op(xmlNode *op, node_t* node, pe_working_set_t * data_set)
{
xmlNode *xIter = NULL;
const char *op_key = crm_element_value(op, XML_LRM_ATTR_TASK_KEY);
if ((node->details->shutdown) && (node->details->online == FALSE)) {
return;
}
for (xIter = data_set->failed->children; xIter; xIter = xIter->next) {
const char *key = crm_element_value(xIter, XML_LRM_ATTR_TASK_KEY);
const char *uname = crm_element_value(xIter, XML_ATTR_UNAME);
if(safe_str_eq(op_key, key) && safe_str_eq(uname, node->details->uname)) {
crm_trace("Skipping duplicate entry %s on %s", op_key, node->details->uname);
return;
}
}
crm_trace("Adding entry %s on %s", op_key, node->details->uname);
crm_xml_add(op, XML_ATTR_UNAME, node->details->uname);
add_node_copy(data_set->failed, op);
}
static const char *get_op_key(xmlNode *xml_op)
{
const char *key = crm_element_value(xml_op, XML_LRM_ATTR_TASK_KEY);
if(key == NULL) {
key = ID(xml_op);
}
return key;
}
static void
unpack_rsc_op_failure(resource_t *rsc, node_t *node, int rc, xmlNode *xml_op, enum action_fail_response *on_fail, pe_working_set_t * data_set)
{
int interval = 0;
bool is_probe = FALSE;
action_t *action = NULL;
const char *key = get_op_key(xml_op);
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *op_version = crm_element_value(xml_op, XML_ATTR_CRM_VERSION);
CRM_ASSERT(rsc);
crm_element_value_int(xml_op, XML_LRM_ATTR_INTERVAL, &interval);
if(interval == 0 && safe_str_eq(task, CRMD_ACTION_STATUS)) {
is_probe = TRUE;
pe_rsc_trace(rsc, "is a probe: %s", key);
}
if (rc != PCMK_OCF_NOT_INSTALLED || is_set(data_set->flags, pe_flag_symmetric_cluster)) {
crm_warn("Processing failed op %s for %s on %s: %s (%d)",
task, rsc->id, node->details->uname, services_ocf_exitcode_str(rc),
rc);
record_failed_op(xml_op, node, data_set);
} else {
crm_trace("Processing failed op %s for %s on %s: %s (%d)",
task, rsc->id, node->details->uname, services_ocf_exitcode_str(rc),
rc);
}
action = custom_action(rsc, strdup(key), task, NULL, TRUE, FALSE, data_set);
if ((action->on_fail <= action_fail_fence && *on_fail < action->on_fail) ||
(action->on_fail == action_fail_reset_remote && *on_fail <= action_fail_recover) ||
(action->on_fail == action_fail_restart_container && *on_fail <= action_fail_recover) ||
(*on_fail == action_fail_restart_container && action->on_fail >= action_fail_migrate)) {
pe_rsc_trace(rsc, "on-fail %s -> %s for %s (%s)", fail2text(*on_fail),
fail2text(action->on_fail), action->uuid, key);
*on_fail = action->on_fail;
}
if (safe_str_eq(task, CRMD_ACTION_STOP)) {
resource_location(rsc, node, -INFINITY, "__stop_fail__", data_set);
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATE) || safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
unpack_rsc_migration_failure(rsc, node, xml_op, data_set);
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
} else if (safe_str_eq(task, CRMD_ACTION_DEMOTE)) {
/*
* staying in role=master ends up putting the PE/TE into a loop
* setting role=slave is not dangerous because no master will be
* promoted until the failed resource has been fully stopped
*/
rsc->next_role = RSC_ROLE_STOPPED;
if (action->on_fail == action_fail_block) {
rsc->role = RSC_ROLE_MASTER;
} else {
crm_warn("Forcing %s to stop after a failed demote action", rsc->id);
rsc->role = RSC_ROLE_SLAVE;
}
} else if (compare_version("2.0", op_version) > 0 && safe_str_eq(task, CRMD_ACTION_START)) {
crm_warn("Compatibility handling for failed op %s on %s", key, node->details->uname);
resource_location(rsc, node, -INFINITY, "__legacy_start__", data_set);
}
if(is_probe && rc == PCMK_OCF_NOT_INSTALLED) {
/* leave stopped */
pe_rsc_trace(rsc, "Leaving %s stopped", rsc->id);
rsc->role = RSC_ROLE_STOPPED;
} else if (rsc->role < RSC_ROLE_STARTED) {
pe_rsc_trace(rsc, "Setting %s active", rsc->id);
set_active(rsc);
}
pe_rsc_trace(rsc, "Resource %s: role=%s, unclean=%s, on_fail=%s, fail_role=%s",
rsc->id, role2text(rsc->role),
node->details->unclean ? "true" : "false",
fail2text(action->on_fail), role2text(action->fail_role));
if (action->fail_role != RSC_ROLE_STARTED && rsc->next_role < action->fail_role) {
rsc->next_role = action->fail_role;
}
if (action->fail_role == RSC_ROLE_STOPPED) {
int score = -INFINITY;
resource_t *fail_rsc = rsc;
if (fail_rsc->parent) {
resource_t *parent = uber_parent(fail_rsc);
if ((parent->variant == pe_clone || parent->variant == pe_master)
&& is_not_set(parent->flags, pe_rsc_unique)) {
/* for clone and master resources, if a child fails on an operation
* with on-fail = stop, all the resources fail. Do this by preventing
* the parent from coming up again. */
fail_rsc = parent;
}
}
crm_warn("Making sure %s doesn't come up again", fail_rsc->id);
/* make sure it doesnt come up again */
g_hash_table_destroy(fail_rsc->allowed_nodes);
fail_rsc->allowed_nodes = node_hash_from_list(data_set->nodes);
g_hash_table_foreach(fail_rsc->allowed_nodes, set_node_score, &score);
}
pe_free_action(action);
}
static int
determine_op_status(
resource_t *rsc, int rc, int target_rc, node_t * node, xmlNode * xml_op, enum action_fail_response * on_fail, pe_working_set_t * data_set)
{
int interval = 0;
int result = PCMK_LRM_OP_DONE;
const char *key = get_op_key(xml_op);
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
bool is_probe = FALSE;
CRM_ASSERT(rsc);
crm_element_value_int(xml_op, XML_LRM_ATTR_INTERVAL, &interval);
if (interval == 0 && safe_str_eq(task, CRMD_ACTION_STATUS)) {
is_probe = TRUE;
}
if (target_rc >= 0 && target_rc != rc) {
result = PCMK_LRM_OP_ERROR;
pe_rsc_debug(rsc, "%s on %s returned '%s' (%d) instead of the expected value: '%s' (%d)",
key, node->details->uname,
services_ocf_exitcode_str(rc), rc,
services_ocf_exitcode_str(target_rc), target_rc);
}
/* we could clean this up significantly except for old LRMs and CRMs that
* didn't include target_rc and liked to remap status
*/
switch (rc) {
case PCMK_OCF_OK:
if (is_probe && target_rc == 7) {
result = PCMK_LRM_OP_DONE;
set_bit(rsc->flags, pe_rsc_unexpectedly_running);
pe_rsc_info(rsc, "Operation %s found resource %s active on %s",
task, rsc->id, node->details->uname);
/* legacy code for pre-0.6.5 operations */
} else if (target_rc < 0 && interval > 0 && rsc->role == RSC_ROLE_MASTER) {
/* catch status ops that return 0 instead of 8 while they
* are supposed to be in master mode
*/
result = PCMK_LRM_OP_ERROR;
}
break;
case PCMK_OCF_NOT_RUNNING:
if (is_probe || target_rc == rc || is_not_set(rsc->flags, pe_rsc_managed)) {
result = PCMK_LRM_OP_DONE;
rsc->role = RSC_ROLE_STOPPED;
/* clear any previous failure actions */
*on_fail = action_fail_ignore;
rsc->next_role = RSC_ROLE_UNKNOWN;
} else if (safe_str_neq(task, CRMD_ACTION_STOP)) {
result = PCMK_LRM_OP_ERROR;
}
break;
case PCMK_OCF_RUNNING_MASTER:
if (is_probe) {
result = PCMK_LRM_OP_DONE;
pe_rsc_info(rsc, "Operation %s found resource %s active in master mode on %s",
task, rsc->id, node->details->uname);
} else if (target_rc == rc) {
/* nothing to do */
} else if (target_rc >= 0) {
result = PCMK_LRM_OP_ERROR;
/* legacy code for pre-0.6.5 operations */
} else if (safe_str_neq(task, CRMD_ACTION_STATUS)
|| rsc->role != RSC_ROLE_MASTER) {
result = PCMK_LRM_OP_ERROR;
if (rsc->role != RSC_ROLE_MASTER) {
crm_err("%s reported %s in master mode on %s",
key, rsc->id, node->details->uname);
}
}
rsc->role = RSC_ROLE_MASTER;
break;
case PCMK_OCF_DEGRADED_MASTER:
case PCMK_OCF_FAILED_MASTER:
rsc->role = RSC_ROLE_MASTER;
result = PCMK_LRM_OP_ERROR;
break;
case PCMK_OCF_NOT_CONFIGURED:
result = PCMK_LRM_OP_ERROR_FATAL;
break;
case PCMK_OCF_NOT_INSTALLED:
case PCMK_OCF_INVALID_PARAM:
case PCMK_OCF_INSUFFICIENT_PRIV:
case PCMK_OCF_UNIMPLEMENT_FEATURE:
if (rc == PCMK_OCF_UNIMPLEMENT_FEATURE && interval > 0) {
result = PCMK_LRM_OP_NOTSUPPORTED;
break;
} else if(pe_can_fence(data_set, node) == FALSE
&& safe_str_eq(task, CRMD_ACTION_STOP)) {
/* If a stop fails and we can't fence, there's nothing else we can do */
pe_proc_err("No further recovery can be attempted for %s: %s action failed with '%s' (%d)",
rsc->id, task, services_ocf_exitcode_str(rc), rc);
clear_bit(rsc->flags, pe_rsc_managed);
set_bit(rsc->flags, pe_rsc_block);
}
result = PCMK_LRM_OP_ERROR_HARD;
break;
default:
if (result == PCMK_LRM_OP_DONE) {
crm_info("Treating %s (rc=%d) on %s as an ERROR",
key, rc, node->details->uname);
result = PCMK_LRM_OP_ERROR;
}
}
return result;
}
static bool check_operation_expiry(resource_t *rsc, node_t *node, int rc, xmlNode *xml_op, pe_working_set_t * data_set)
{
bool expired = FALSE;
time_t last_failure = 0;
int clear_failcount = 0;
int interval = 0;
int failure_timeout = rsc->failure_timeout;
const char *key = get_op_key(xml_op);
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
/* clearing recurring monitor operation failures automatically
* needs to be carefully considered */
if (safe_str_eq(crm_element_value(xml_op, XML_LRM_ATTR_TASK), "monitor") &&
safe_str_neq(crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL), "0")) {
/* TODO, in the future we should consider not clearing recurring monitor
* op failures unless the last action for a resource was a "stop" action.
* otherwise it is possible that clearing the monitor failure will result
* in the resource being in an undeterministic state.
*
* For now we handle this potential undeterministic condition for remote
* node connection resources by not clearing a recurring monitor op failure
* until after the node has been fenced. */
if (is_set(data_set->flags, pe_flag_stonith_enabled) &&
(rsc->remote_reconnect_interval)) {
node_t *remote_node = pe_find_node(data_set->nodes, rsc->id);
if (remote_node && remote_node->details->remote_was_fenced == 0) {
if (strstr(ID(xml_op), "last_failure")) {
crm_info("Waiting to clear monitor failure for remote node %s until fencing has occured", rsc->id);
}
/* disabling failure timeout for this operation because we believe
* fencing of the remote node should occur first. */
failure_timeout = 0;
}
}
}
if (failure_timeout > 0) {
int last_run = 0;
if (crm_element_value_int(xml_op, XML_RSC_OP_LAST_CHANGE, &last_run) == 0) {
time_t now = get_effective_time(data_set);
if (now > (last_run + failure_timeout)) {
expired = TRUE;
}
}
}
if (expired) {
if (failure_timeout > 0) {
int fc = get_failcount_full(node, rsc, &last_failure, FALSE, xml_op, data_set);
if(fc) {
if (get_failcount_full(node, rsc, &last_failure, TRUE, xml_op, data_set) == 0) {
clear_failcount = 1;
crm_notice("Clearing expired failcount for %s on %s", rsc->id, node->details->uname);
} else {
expired = FALSE;
}
} else if (rsc->remote_reconnect_interval && strstr(ID(xml_op), "last_failure")) {
/* always clear last failure when reconnect interval is set */
clear_failcount = 1;
}
}
} else if (strstr(ID(xml_op), "last_failure") &&
((strcmp(task, "start") == 0) || (strcmp(task, "monitor") == 0))) {
op_digest_cache_t *digest_data = NULL;
digest_data = rsc_action_digest_cmp(rsc, xml_op, node, data_set);
if (digest_data->rc == RSC_DIGEST_UNKNOWN) {
crm_trace("rsc op %s on node %s does not have a op digest to compare against", rsc->id,
key, node->details->id);
} else if (digest_data->rc != RSC_DIGEST_MATCH) {
clear_failcount = 1;
crm_info
("Clearing failcount for %s on %s, %s failed and now resource parameters have changed.",
task, rsc->id, node->details->uname);
}
}
if (clear_failcount) {
action_t *clear_op = NULL;
clear_op = custom_action(rsc, crm_concat(rsc->id, CRM_OP_CLEAR_FAILCOUNT, '_'),
CRM_OP_CLEAR_FAILCOUNT, node, FALSE, TRUE, data_set);
add_hash_param(clear_op->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
}
crm_element_value_int(xml_op, XML_LRM_ATTR_INTERVAL, &interval);
if(expired && interval == 0 && safe_str_eq(task, CRMD_ACTION_STATUS)) {
switch(rc) {
case PCMK_OCF_OK:
case PCMK_OCF_NOT_RUNNING:
case PCMK_OCF_RUNNING_MASTER:
case PCMK_OCF_DEGRADED:
case PCMK_OCF_DEGRADED_MASTER:
/* Don't expire probes that return these values */
expired = FALSE;
break;
}
}
return expired;
}
int get_target_rc(xmlNode *xml_op)
{
int dummy = 0;
int target_rc = 0;
char *dummy_string = NULL;
const char *key = crm_element_value(xml_op, XML_ATTR_TRANSITION_KEY);
if (key == NULL) {
return -1;
}
decode_transition_key(key, &dummy_string, &dummy, &dummy, &target_rc);
free(dummy_string);
return target_rc;
}
static enum action_fail_response
get_action_on_fail(resource_t *rsc, const char *key, const char *task, pe_working_set_t * data_set)
{
int result = action_fail_recover;
action_t *action = custom_action(rsc, strdup(key), task, NULL, TRUE, FALSE, data_set);
result = action->on_fail;
pe_free_action(action);
return result;
}
static void
update_resource_state(resource_t *rsc, node_t * node, xmlNode * xml_op, const char *task, int rc,
enum action_fail_response *on_fail, pe_working_set_t * data_set)
{
gboolean clear_past_failure = FALSE;
CRM_ASSERT(rsc);
if (rc == PCMK_OCF_NOT_RUNNING) {
clear_past_failure = TRUE;
} else if (rc == PCMK_OCF_NOT_INSTALLED) {
rsc->role = RSC_ROLE_STOPPED;
} else if (safe_str_eq(task, CRMD_ACTION_STATUS)) {
clear_past_failure = TRUE;
if (rsc->role < RSC_ROLE_STARTED) {
set_active(rsc);
}
} else if (safe_str_eq(task, CRMD_ACTION_START)) {
rsc->role = RSC_ROLE_STARTED;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_STOP)) {
rsc->role = RSC_ROLE_STOPPED;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_DEMOTE)) {
/* Demote from Master does not clear an error */
rsc->role = RSC_ROLE_SLAVE;
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
rsc->role = RSC_ROLE_STARTED;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATE)) {
unpack_rsc_migration(rsc, node, xml_op, data_set);
} else if (rsc->role < RSC_ROLE_STARTED) {
/* migrate_to and migrate_from will land here */
pe_rsc_trace(rsc, "%s active on %s", rsc->id, node->details->uname);
set_active(rsc);
}
/* clear any previous failure actions */
if (clear_past_failure) {
switch (*on_fail) {
case action_fail_stop:
case action_fail_fence:
case action_fail_migrate:
case action_fail_standby:
pe_rsc_trace(rsc, "%s.%s is not cleared by a completed stop",
rsc->id, fail2text(*on_fail));
break;
case action_fail_block:
case action_fail_ignore:
case action_fail_recover:
case action_fail_restart_container:
*on_fail = action_fail_ignore;
rsc->next_role = RSC_ROLE_UNKNOWN;
break;
case action_fail_reset_remote:
if (rsc->remote_reconnect_interval == 0) {
/* when reconnect delay is not in use, the connection is allowed
* to start again after the remote node is fenced and completely
* stopped. Otherwise, with reconnect delay we wait for the failure
* to be cleared entirely before reconnected can be attempted. */
*on_fail = action_fail_ignore;
rsc->next_role = RSC_ROLE_UNKNOWN;
}
break;
}
}
}
gboolean
unpack_rsc_op(resource_t * rsc, node_t * node, xmlNode * xml_op,
enum action_fail_response * on_fail, pe_working_set_t * data_set)
{
int task_id = 0;
const char *key = NULL;
const char *task = NULL;
const char *task_key = NULL;
int rc = 0;
int status = PCMK_LRM_OP_PENDING-1;
int target_rc = get_target_rc(xml_op);
int interval = 0;
gboolean expired = FALSE;
resource_t *parent = rsc;
enum action_fail_response failure_strategy = action_fail_recover;
CRM_CHECK(rsc != NULL, return FALSE);
CRM_CHECK(node != NULL, return FALSE);
CRM_CHECK(xml_op != NULL, return FALSE);
task_key = get_op_key(xml_op);
task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
key = crm_element_value(xml_op, XML_ATTR_TRANSITION_KEY);
crm_element_value_int(xml_op, XML_LRM_ATTR_RC, &rc);
crm_element_value_int(xml_op, XML_LRM_ATTR_CALLID, &task_id);
crm_element_value_int(xml_op, XML_LRM_ATTR_OPSTATUS, &status);
crm_element_value_int(xml_op, XML_LRM_ATTR_INTERVAL, &interval);
CRM_CHECK(task != NULL, return FALSE);
CRM_CHECK(status <= PCMK_LRM_OP_NOT_INSTALLED, return FALSE);
CRM_CHECK(status >= PCMK_LRM_OP_PENDING, return FALSE);
if (safe_str_eq(task, CRMD_ACTION_NOTIFY)) {
/* safe to ignore these */
return TRUE;
}
if (is_not_set(rsc->flags, pe_rsc_unique)) {
parent = uber_parent(rsc);
}
pe_rsc_trace(rsc, "Unpacking task %s/%s (call_id=%d, status=%d, rc=%d) on %s (role=%s)",
task_key, task, task_id, status, rc, node->details->uname, role2text(rsc->role));
if (node->details->unclean) {
pe_rsc_trace(rsc, "Node %s (where %s is running) is unclean."
" Further action depends on the value of the stop's on-fail attribue",
node->details->uname, rsc->id);
}
if (status == PCMK_LRM_OP_ERROR) {
/* Older versions set this if rc != 0 but its up to us to decide */
status = PCMK_LRM_OP_DONE;
}
if(status != PCMK_LRM_OP_NOT_INSTALLED) {
expired = check_operation_expiry(rsc, node, rc, xml_op, data_set);
}
/* Degraded results are informational only, re-map them to their error-free equivalents */
if (rc == PCMK_OCF_DEGRADED && safe_str_eq(task, CRMD_ACTION_STATUS)) {
rc = PCMK_OCF_OK;
/* Add them to the failed list to highlight them for the user */
if ((node->details->shutdown == FALSE) || (node->details->online == TRUE)) {
crm_trace("Remapping %d to %d", PCMK_OCF_DEGRADED, PCMK_OCF_OK);
record_failed_op(xml_op, node, data_set);
}
} else if (rc == PCMK_OCF_DEGRADED_MASTER && safe_str_eq(task, CRMD_ACTION_STATUS)) {
rc = PCMK_OCF_RUNNING_MASTER;
/* Add them to the failed list to highlight them for the user */
if ((node->details->shutdown == FALSE) || (node->details->online == TRUE)) {
crm_trace("Remapping %d to %d", PCMK_OCF_DEGRADED_MASTER, PCMK_OCF_RUNNING_MASTER);
record_failed_op(xml_op, node, data_set);
}
}
if (expired && target_rc != rc) {
const char *magic = crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC);
pe_rsc_debug(rsc, "Expired operation '%s' on %s returned '%s' (%d) instead of the expected value: '%s' (%d)",
key, node->details->uname,
services_ocf_exitcode_str(rc), rc,
services_ocf_exitcode_str(target_rc), target_rc);
if(interval == 0) {
crm_notice("Ignoring expired calculated failure %s (rc=%d, magic=%s) on %s",
task_key, rc, magic, node->details->uname);
goto done;
} else if(node->details->online && node->details->unclean == FALSE) {
crm_notice("Re-initiated expired calculated failure %s (rc=%d, magic=%s) on %s",
task_key, rc, magic, node->details->uname);
/* This is SO horrible, but we don't have access to CancelXmlOp() yet */
crm_xml_add(xml_op, XML_LRM_ATTR_RESTART_DIGEST, "calculated-failure-timeout");
goto done;
}
}
if(status == PCMK_LRM_OP_DONE || status == PCMK_LRM_OP_ERROR) {
status = determine_op_status(rsc, rc, target_rc, node, xml_op, on_fail, data_set);
}
pe_rsc_trace(rsc, "Handling status: %d", status);
switch (status) {
case PCMK_LRM_OP_CANCELLED:
/* do nothing?? */
pe_err("Don't know what to do for cancelled ops yet");
break;
case PCMK_LRM_OP_PENDING:
if (safe_str_eq(task, CRMD_ACTION_START)) {
set_bit(rsc->flags, pe_rsc_start_pending);
set_active(rsc);
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATE) && node->details->unclean) {
/* If a pending migrate_to action is out on a unclean node,
* we have to force the stop action on the target. */
const char *migrate_target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
node_t *target = pe_find_node(data_set->nodes, migrate_target);
if (target) {
stop_action(rsc, target, FALSE);
}
}
if (rsc->pending_task == NULL) {
if (safe_str_eq(task, CRMD_ACTION_STATUS) && interval == 0) {
/* Pending probes are not printed, even if pending
* operations are requested. If someone ever requests that
* behavior, uncomment this and the corresponding part of
* native.c:native_pending_task().
*/
/*rsc->pending_task = strdup("probe");*/
} else {
rsc->pending_task = strdup(task);
}
}
break;
case PCMK_LRM_OP_DONE:
pe_rsc_trace(rsc, "%s/%s completed on %s", rsc->id, task, node->details->uname);
update_resource_state(rsc, node, xml_op, task, rc, on_fail, data_set);
break;
case PCMK_LRM_OP_NOT_INSTALLED:
failure_strategy = get_action_on_fail(rsc, task_key, task, data_set);
if (failure_strategy == action_fail_ignore) {
crm_warn("Cannot ignore failed %s (status=%d, rc=%d) on %s: "
"Resource agent doesn't exist",
task_key, status, rc, node->details->uname);
/* Also for printing it as "FAILED" by marking it as pe_rsc_failed later */
*on_fail = action_fail_migrate;
}
resource_location(parent, node, -INFINITY, "hard-error", data_set);
unpack_rsc_op_failure(rsc, node, rc, xml_op, on_fail, data_set);
break;
case PCMK_LRM_OP_ERROR:
case PCMK_LRM_OP_ERROR_HARD:
case PCMK_LRM_OP_ERROR_FATAL:
case PCMK_LRM_OP_TIMEOUT:
case PCMK_LRM_OP_NOTSUPPORTED:
failure_strategy = get_action_on_fail(rsc, task_key, task, data_set);
if ((failure_strategy == action_fail_ignore)
|| (failure_strategy == action_fail_restart_container
&& safe_str_eq(task, CRMD_ACTION_STOP))) {
crm_warn("Pretending the failure of %s (rc=%d) on %s succeeded",
task_key, rc, node->details->uname);
update_resource_state(rsc, node, xml_op, task, target_rc, on_fail, data_set);
crm_xml_add(xml_op, XML_ATTR_UNAME, node->details->uname);
set_bit(rsc->flags, pe_rsc_failure_ignored);
record_failed_op(xml_op, node, data_set);
if (failure_strategy == action_fail_restart_container && *on_fail <= action_fail_recover) {
*on_fail = failure_strategy;
}
} else {
unpack_rsc_op_failure(rsc, node, rc, xml_op, on_fail, data_set);
if(status == PCMK_LRM_OP_ERROR_HARD) {
do_crm_log(rc != PCMK_OCF_NOT_INSTALLED?LOG_ERR:LOG_NOTICE,
"Preventing %s from re-starting on %s: operation %s failed '%s' (%d)",
parent->id, node->details->uname,
task, services_ocf_exitcode_str(rc), rc);
resource_location(parent, node, -INFINITY, "hard-error", data_set);
} else if(status == PCMK_LRM_OP_ERROR_FATAL) {
crm_err("Preventing %s from re-starting anywhere: operation %s failed '%s' (%d)",
parent->id, task, services_ocf_exitcode_str(rc), rc);
resource_location(parent, NULL, -INFINITY, "fatal-error", data_set);
}
}
break;
}
done:
pe_rsc_trace(rsc, "Resource %s after %s: role=%s", rsc->id, task, role2text(rsc->role));
return TRUE;
}
gboolean
add_node_attrs(xmlNode * xml_obj, node_t * node, gboolean overwrite, pe_working_set_t * data_set)
{
const char *cluster_name = NULL;
g_hash_table_insert(node->details->attrs,
strdup("#uname"), strdup(node->details->uname));
g_hash_table_insert(node->details->attrs, strdup("#" XML_ATTR_ID), strdup(node->details->id));
if (safe_str_eq(node->details->id, data_set->dc_uuid)) {
data_set->dc_node = node;
node->details->is_dc = TRUE;
g_hash_table_insert(node->details->attrs,
strdup("#" XML_ATTR_DC), strdup(XML_BOOLEAN_TRUE));
} else {
g_hash_table_insert(node->details->attrs,
strdup("#" XML_ATTR_DC), strdup(XML_BOOLEAN_FALSE));
}
cluster_name = g_hash_table_lookup(data_set->config_hash, "cluster-name");
if (cluster_name) {
g_hash_table_insert(node->details->attrs, strdup("#cluster-name"), strdup(cluster_name));
}
unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_ATTR_SETS, NULL,
node->details->attrs, NULL, overwrite, data_set->now);
if (g_hash_table_lookup(node->details->attrs, "#site-name") == NULL) {
const char *site_name = g_hash_table_lookup(node->details->attrs, "site-name");
if (site_name) {
/* Prefix '#' to the key */
g_hash_table_insert(node->details->attrs, strdup("#site-name"), strdup(site_name));
} else if (cluster_name) {
/* Default to cluster-name if unset */
g_hash_table_insert(node->details->attrs, strdup("#site-name"), strdup(cluster_name));
}
}
return TRUE;
}
static GListPtr
extract_operations(const char *node, const char *rsc, xmlNode * rsc_entry, gboolean active_filter)
{
int counter = -1;
int stop_index = -1;
int start_index = -1;
xmlNode *rsc_op = NULL;
GListPtr gIter = NULL;
GListPtr op_list = NULL;
GListPtr sorted_op_list = NULL;
/* extract operations */
op_list = NULL;
sorted_op_list = NULL;
for (rsc_op = __xml_first_child(rsc_entry); rsc_op != NULL; rsc_op = __xml_next_element(rsc_op)) {
if (crm_str_eq((const char *)rsc_op->name, XML_LRM_TAG_RSC_OP, TRUE)) {
crm_xml_add(rsc_op, "resource", rsc);
crm_xml_add(rsc_op, XML_ATTR_UNAME, node);
op_list = g_list_prepend(op_list, rsc_op);
}
}
if (op_list == NULL) {
/* if there are no operations, there is nothing to do */
return NULL;
}
sorted_op_list = g_list_sort(op_list, sort_op_by_callid);
/* create active recurring operations as optional */
if (active_filter == FALSE) {
return sorted_op_list;
}
op_list = NULL;
calculate_active_ops(sorted_op_list, &start_index, &stop_index);
for (gIter = sorted_op_list; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
counter++;
if (start_index < stop_index) {
crm_trace("Skipping %s: not active", ID(rsc_entry));
break;
} else if (counter < start_index) {
crm_trace("Skipping %s: old", ID(rsc_op));
continue;
}
op_list = g_list_append(op_list, rsc_op);
}
g_list_free(sorted_op_list);
return op_list;
}
GListPtr
find_operations(const char *rsc, const char *node, gboolean active_filter,
pe_working_set_t * data_set)
{
GListPtr output = NULL;
GListPtr intermediate = NULL;
xmlNode *tmp = NULL;
xmlNode *status = find_xml_node(data_set->input, XML_CIB_TAG_STATUS, TRUE);
node_t *this_node = NULL;
xmlNode *node_state = NULL;
for (node_state = __xml_first_child(status); node_state != NULL;
node_state = __xml_next_element(node_state)) {
if (crm_str_eq((const char *)node_state->name, XML_CIB_TAG_STATE, TRUE)) {
const char *uname = crm_element_value(node_state, XML_ATTR_UNAME);
if (node != NULL && safe_str_neq(uname, node)) {
continue;
}
this_node = pe_find_node(data_set->nodes, uname);
if(this_node == NULL) {
CRM_LOG_ASSERT(this_node != NULL);
continue;
} else if (is_remote_node(this_node)) {
determine_remote_online_status(data_set, this_node);
} else {
determine_online_status(node_state, this_node, data_set);
}
if (this_node->details->online || is_set(data_set->flags, pe_flag_stonith_enabled)) {
/* offline nodes run no resources...
* unless stonith is enabled in which case we need to
* make sure rsc start events happen after the stonith
*/
xmlNode *lrm_rsc = NULL;
tmp = find_xml_node(node_state, XML_CIB_TAG_LRM, FALSE);
tmp = find_xml_node(tmp, XML_LRM_TAG_RESOURCES, FALSE);
for (lrm_rsc = __xml_first_child(tmp); lrm_rsc != NULL;
lrm_rsc = __xml_next_element(lrm_rsc)) {
if (crm_str_eq((const char *)lrm_rsc->name, XML_LRM_TAG_RESOURCE, TRUE)) {
const char *rsc_id = crm_element_value(lrm_rsc, XML_ATTR_ID);
if (rsc != NULL && safe_str_neq(rsc_id, rsc)) {
continue;
}
intermediate = extract_operations(uname, rsc_id, lrm_rsc, active_filter);
output = g_list_concat(output, intermediate);
}
}
}
}
}
return output;
}

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