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unpack.c
3412 lines (2798 loc) · 124 KB
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unpack.c
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/*
* 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(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);
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_restart);
free(data->digest_all_calc);
free(data->digest_restart_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;