diff --git a/lib/pacemaker/pcmk_graph_producer.c b/lib/pacemaker/pcmk_graph_producer.c
index 358393dcd1..60634022dd 100644
--- a/lib/pacemaker/pcmk_graph_producer.c
+++ b/lib/pacemaker/pcmk_graph_producer.c
@@ -1,906 +1,1046 @@
/*
* Copyright 2004-2021 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <glib.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
// Convenience macros for logging action properties
#define action_type_str(flags) \
(pcmk_is_set((flags), pe_action_pseudo)? "pseudo-action" : "action")
#define action_optional_str(flags) \
(pcmk_is_set((flags), pe_action_optional)? "optional" : "required")
#define action_runnable_str(flags) \
(pcmk_is_set((flags), pe_action_runnable)? "runnable" : "unrunnable")
#define action_node_str(a) \
(((a)->node == NULL)? "no node" : (a)->node->details->uname)
/*!
* \internal
* \brief Add an XML node tag for a specified ID
*
* \param[in] id Node UUID to add
* \param[in,out] xml Parent XML tag to add to
*/
static xmlNode*
add_node_to_xml_by_id(const char *id, xmlNode *xml)
{
xmlNode *node_xml;
node_xml = create_xml_node(xml, XML_CIB_TAG_NODE);
crm_xml_add(node_xml, XML_ATTR_UUID, id);
return node_xml;
}
/*!
* \internal
* \brief Add an XML node tag for a specified node
*
* \param[in] node Node to add
* \param[in,out] xml XML to add node to
*/
static void
add_node_to_xml(const pe_node_t *node, void *xml)
{
add_node_to_xml_by_id(node->details->id, (xmlNode *) xml);
}
/*!
* \internal
* \brief Add XML with nodes that need an update of their maintenance state
*
* \param[in,out] xml Parent XML tag to add to
* \param[in] data_set Working set for cluster
*/
static int
add_maintenance_nodes(xmlNode *xml, const pe_working_set_t *data_set)
{
GList *gIter = NULL;
xmlNode *maintenance =
xml?create_xml_node(xml, XML_GRAPH_TAG_MAINTENANCE):NULL;
int count = 0;
for (gIter = data_set->nodes; gIter != NULL;
gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
struct pe_node_shared_s *details = node->details;
if (!pe__is_guest_or_remote_node(node)) {
continue; /* just remote nodes need to know atm */
}
if (details->maintenance != details->remote_maintenance) {
if (maintenance) {
crm_xml_add(
add_node_to_xml_by_id(node->details->id, maintenance),
XML_NODE_IS_MAINTENANCE, details->maintenance?"1":"0");
}
count++;
}
}
crm_trace("%s %d nodes to adjust maintenance-mode "
"to transition", maintenance?"Added":"Counted", count);
return count;
}
/*!
* \internal
* \brief Add pseudo action with nodes needing maintenance state update
*
* \param[in,out] data_set Working set for cluster
*/
void
add_maintenance_update(pe_working_set_t *data_set)
{
pe_action_t *action = NULL;
if (add_maintenance_nodes(NULL, data_set)) {
crm_trace("adding maintenance state update pseudo action");
action = get_pseudo_op(CRM_OP_MAINTENANCE_NODES, data_set);
pe__set_action_flags(action, pe_action_print_always);
}
}
/*!
* \internal
* \brief Add XML with nodes that an action is expected to bring down
*
* If a specified action is expected to bring any nodes down, add an XML block
* with their UUIDs. When a node is lost, this allows the controller to
* determine whether it was expected.
*
* \param[in,out] xml Parent XML tag to add to
* \param[in] action Action to check for downed nodes
* \param[in] data_set Working set for cluster
*/
static void
add_downed_nodes(xmlNode *xml, const pe_action_t *action,
const pe_working_set_t *data_set)
{
CRM_CHECK(xml && action && action->node && data_set, return);
if (pcmk__str_eq(action->task, CRM_OP_SHUTDOWN, pcmk__str_casei)) {
/* Shutdown makes the action's node down */
xmlNode *downed = create_xml_node(xml, XML_GRAPH_TAG_DOWNED);
add_node_to_xml_by_id(action->node->details->id, downed);
} else if (pcmk__str_eq(action->task, CRM_OP_FENCE, pcmk__str_casei)) {
/* Fencing makes the action's node and any hosted guest nodes down */
const char *fence = g_hash_table_lookup(action->meta, "stonith_action");
if (pcmk__is_fencing_action(fence)) {
xmlNode *downed = create_xml_node(xml, XML_GRAPH_TAG_DOWNED);
add_node_to_xml_by_id(action->node->details->id, downed);
pe_foreach_guest_node(data_set, action->node, add_node_to_xml, downed);
}
} else if (action->rsc && action->rsc->is_remote_node
&& pcmk__str_eq(action->task, CRMD_ACTION_STOP, pcmk__str_casei)) {
/* Stopping a remote connection resource makes connected node down,
* unless it's part of a migration
*/
GList *iter;
pe_action_t *input;
gboolean migrating = FALSE;
for (iter = action->actions_before; iter != NULL; iter = iter->next) {
input = ((pe_action_wrapper_t *) iter->data)->action;
if (input->rsc && pcmk__str_eq(action->rsc->id, input->rsc->id, pcmk__str_casei)
&& pcmk__str_eq(input->task, CRMD_ACTION_MIGRATED, pcmk__str_casei)) {
migrating = TRUE;
break;
}
}
if (!migrating) {
xmlNode *downed = create_xml_node(xml, XML_GRAPH_TAG_DOWNED);
add_node_to_xml_by_id(action->rsc->id, downed);
}
}
}
static xmlNode *
action2xml(pe_action_t * action, gboolean as_input, pe_working_set_t *data_set)
{
gboolean needs_node_info = TRUE;
gboolean needs_maintenance_info = FALSE;
xmlNode *action_xml = NULL;
xmlNode *args_xml = NULL;
#if ENABLE_VERSIONED_ATTRS
pe_rsc_action_details_t *rsc_details = NULL;
#endif
if (action == NULL) {
return NULL;
}
if (pcmk__str_eq(action->task, CRM_OP_FENCE, pcmk__str_casei)) {
/* All fences need node info; guest node fences are pseudo-events */
action_xml = create_xml_node(NULL,
pcmk_is_set(action->flags, pe_action_pseudo)?
XML_GRAPH_TAG_PSEUDO_EVENT :
XML_GRAPH_TAG_CRM_EVENT);
} else if (pcmk__str_eq(action->task, CRM_OP_SHUTDOWN, pcmk__str_casei)) {
action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT);
} else if (pcmk__str_eq(action->task, CRM_OP_CLEAR_FAILCOUNT, pcmk__str_casei)) {
action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT);
} else if (pcmk__str_eq(action->task, CRM_OP_LRM_REFRESH, pcmk__str_casei)) {
action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT);
} else if (pcmk__str_eq(action->task, CRM_OP_LRM_DELETE, pcmk__str_casei)) {
// CIB-only clean-up for shutdown locks
action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT);
crm_xml_add(action_xml, PCMK__XA_MODE, XML_TAG_CIB);
/* } else if(pcmk__str_eq(action->task, RSC_PROBED, pcmk__str_casei)) { */
/* action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT); */
} else if (pcmk_is_set(action->flags, pe_action_pseudo)) {
if (pcmk__str_eq(action->task, CRM_OP_MAINTENANCE_NODES, pcmk__str_casei)) {
needs_maintenance_info = TRUE;
}
action_xml = create_xml_node(NULL, XML_GRAPH_TAG_PSEUDO_EVENT);
needs_node_info = FALSE;
} else {
action_xml = create_xml_node(NULL, XML_GRAPH_TAG_RSC_OP);
#if ENABLE_VERSIONED_ATTRS
rsc_details = pe_rsc_action_details(action);
#endif
}
crm_xml_add_int(action_xml, XML_ATTR_ID, action->id);
crm_xml_add(action_xml, XML_LRM_ATTR_TASK, action->task);
if (action->rsc != NULL && action->rsc->clone_name != NULL) {
char *clone_key = NULL;
guint interval_ms;
if (pcmk__guint_from_hash(action->meta,
XML_LRM_ATTR_INTERVAL_MS, 0,
&interval_ms) != pcmk_rc_ok) {
interval_ms = 0;
}
if (pcmk__str_eq(action->task, RSC_NOTIFY, pcmk__str_casei)) {
const char *n_type = g_hash_table_lookup(action->meta, "notify_type");
const char *n_task = g_hash_table_lookup(action->meta, "notify_operation");
CRM_CHECK(n_type != NULL, crm_err("No notify type value found for %s", action->uuid));
CRM_CHECK(n_task != NULL,
crm_err("No notify operation value found for %s", action->uuid));
clone_key = pcmk__notify_key(action->rsc->clone_name,
n_type, n_task);
} else if(action->cancel_task) {
clone_key = pcmk__op_key(action->rsc->clone_name,
action->cancel_task, interval_ms);
} else {
clone_key = pcmk__op_key(action->rsc->clone_name,
action->task, interval_ms);
}
CRM_CHECK(clone_key != NULL, crm_err("Could not generate a key for %s", action->uuid));
crm_xml_add(action_xml, XML_LRM_ATTR_TASK_KEY, clone_key);
crm_xml_add(action_xml, "internal_" XML_LRM_ATTR_TASK_KEY, action->uuid);
free(clone_key);
} else {
crm_xml_add(action_xml, XML_LRM_ATTR_TASK_KEY, action->uuid);
}
if (needs_node_info && action->node != NULL) {
pe_node_t *router_node = pcmk__connection_host_for_action(action);
crm_xml_add(action_xml, XML_LRM_ATTR_TARGET, action->node->details->uname);
crm_xml_add(action_xml, XML_LRM_ATTR_TARGET_UUID, action->node->details->id);
if (router_node) {
crm_xml_add(action_xml, XML_LRM_ATTR_ROUTER_NODE, router_node->details->uname);
}
g_hash_table_insert(action->meta, strdup(XML_LRM_ATTR_TARGET), strdup(action->node->details->uname));
g_hash_table_insert(action->meta, strdup(XML_LRM_ATTR_TARGET_UUID), strdup(action->node->details->id));
}
/* No details if this action is only being listed in the inputs section */
if (as_input) {
return action_xml;
}
if (action->rsc && !pcmk_is_set(action->flags, pe_action_pseudo)) {
int lpc = 0;
xmlNode *rsc_xml = NULL;
const char *attr_list[] = {
XML_AGENT_ATTR_CLASS,
XML_AGENT_ATTR_PROVIDER,
XML_ATTR_TYPE
};
/* If a resource is locked to a node via shutdown-lock, mark its actions
* so the controller can preserve the lock when the action completes.
*/
if (pcmk__action_locks_rsc_to_node(action)) {
crm_xml_add_ll(action_xml, XML_CONFIG_ATTR_SHUTDOWN_LOCK,
(long long) action->rsc->lock_time);
}
// List affected resource
rsc_xml = create_xml_node(action_xml,
crm_element_name(action->rsc->xml));
if (pcmk_is_set(action->rsc->flags, pe_rsc_orphan)
&& action->rsc->clone_name) {
/* Do not use the 'instance free' name here as that
* might interfere with the instance we plan to keep.
* Ie. if there are more than two named /anonymous/
* instances on a given node, we need to make sure the
* command goes to the right one.
*
* Keep this block, even when everyone is using
* 'instance free' anonymous clone names - it means
* we'll do the right thing if anyone toggles the
* unique flag to 'off'
*/
crm_debug("Using orphan clone name %s instead of %s", action->rsc->id,
action->rsc->clone_name);
crm_xml_add(rsc_xml, XML_ATTR_ID, action->rsc->clone_name);
crm_xml_add(rsc_xml, XML_ATTR_ID_LONG, action->rsc->id);
} else if (!pcmk_is_set(action->rsc->flags, pe_rsc_unique)) {
const char *xml_id = ID(action->rsc->xml);
crm_debug("Using anonymous clone name %s for %s (aka. %s)", xml_id, action->rsc->id,
action->rsc->clone_name);
/* ID is what we'd like client to use
* ID_LONG is what they might know it as instead
*
* ID_LONG is only strictly needed /here/ during the
* transition period until all nodes in the cluster
* are running the new software /and/ have rebooted
* once (meaning that they've only ever spoken to a DC
* supporting this feature).
*
* If anyone toggles the unique flag to 'on', the
* 'instance free' name will correspond to an orphan
* and fall into the clause above instead
*/
crm_xml_add(rsc_xml, XML_ATTR_ID, xml_id);
if (action->rsc->clone_name && !pcmk__str_eq(xml_id, action->rsc->clone_name, pcmk__str_casei)) {
crm_xml_add(rsc_xml, XML_ATTR_ID_LONG, action->rsc->clone_name);
} else {
crm_xml_add(rsc_xml, XML_ATTR_ID_LONG, action->rsc->id);
}
} else {
CRM_ASSERT(action->rsc->clone_name == NULL);
crm_xml_add(rsc_xml, XML_ATTR_ID, action->rsc->id);
}
for (lpc = 0; lpc < PCMK__NELEM(attr_list); lpc++) {
crm_xml_add(rsc_xml, attr_list[lpc],
g_hash_table_lookup(action->rsc->meta, attr_list[lpc]));
}
}
/* List any attributes in effect */
args_xml = create_xml_node(NULL, XML_TAG_ATTRS);
crm_xml_add(args_xml, XML_ATTR_CRM_VERSION, CRM_FEATURE_SET);
g_hash_table_foreach(action->extra, hash2field, args_xml);
if (action->rsc != NULL && action->node) {
// Get the resource instance attributes, evaluated properly for node
GHashTable *params = pe_rsc_params(action->rsc, action->node, data_set);
pcmk__substitute_remote_addr(action->rsc, params, data_set);
g_hash_table_foreach(params, hash2smartfield, args_xml);
#if ENABLE_VERSIONED_ATTRS
{
xmlNode *versioned_parameters = create_xml_node(NULL, XML_TAG_RSC_VER_ATTRS);
pe_get_versioned_attributes(versioned_parameters, action->rsc,
action->node, data_set);
if (xml_has_children(versioned_parameters)) {
add_node_copy(action_xml, versioned_parameters);
}
free_xml(versioned_parameters);
}
#endif
} else if(action->rsc && action->rsc->variant <= pe_native) {
GHashTable *params = pe_rsc_params(action->rsc, NULL, data_set);
g_hash_table_foreach(params, hash2smartfield, args_xml);
#if ENABLE_VERSIONED_ATTRS
if (xml_has_children(action->rsc->versioned_parameters)) {
add_node_copy(action_xml, action->rsc->versioned_parameters);
}
#endif
}
#if ENABLE_VERSIONED_ATTRS
if (rsc_details) {
if (xml_has_children(rsc_details->versioned_parameters)) {
add_node_copy(action_xml, rsc_details->versioned_parameters);
}
if (xml_has_children(rsc_details->versioned_meta)) {
add_node_copy(action_xml, rsc_details->versioned_meta);
}
}
#endif
g_hash_table_foreach(action->meta, hash2metafield, args_xml);
if (action->rsc != NULL) {
const char *value = g_hash_table_lookup(action->rsc->meta, "external-ip");
pe_resource_t *parent = action->rsc;
while (parent != NULL) {
parent->cmds->append_meta(parent, args_xml);
parent = parent->parent;
}
if(value) {
hash2smartfield((gpointer)"pcmk_external_ip", (gpointer)value, (gpointer)args_xml);
}
pcmk__add_bundle_meta_to_xml(args_xml, action);
} else if (pcmk__str_eq(action->task, CRM_OP_FENCE, pcmk__str_casei) && action->node) {
/* Pass the node's attributes as meta-attributes.
*
* @TODO: Determine whether it is still necessary to do this. It was
* added in 33d99707, probably for the libfence-based implementation in
* c9a90bd, which is no longer used.
*/
g_hash_table_foreach(action->node->details->attrs, hash2metafield, args_xml);
}
sorted_xml(args_xml, action_xml, FALSE);
free_xml(args_xml);
/* List any nodes this action is expected to make down */
if (needs_node_info && (action->node != NULL)) {
add_downed_nodes(action_xml, action, data_set);
}
if (needs_maintenance_info) {
add_maintenance_nodes(action_xml, data_set);
}
crm_log_xml_trace(action_xml, "dumped action");
return action_xml;
}
static bool
should_dump_action(pe_action_t *action)
{
CRM_CHECK(action != NULL, return false);
if (pcmk_is_set(action->flags, pe_action_dumped)) {
crm_trace("Action %s (%d) already dumped", action->uuid, action->id);
return false;
} else if (pcmk_is_set(action->flags, pe_action_pseudo)
&& pcmk__str_eq(action->task, CRM_OP_PROBED, pcmk__str_casei)) {
GList *lpc = NULL;
/* This is a horrible but convenient hack
*
* It mimimizes the number of actions with unsatisfied inputs
* (i.e. not included in the graph)
*
* This in turn, means we can be more concise when printing
* aborted/incomplete graphs.
*
* It also makes it obvious which node is preventing
* probe_complete from running (presumably because it is only
* partially up)
*
* For these reasons we tolerate such perversions
*/
for (lpc = action->actions_after; lpc != NULL; lpc = lpc->next) {
pe_action_wrapper_t *wrapper = (pe_action_wrapper_t *) lpc->data;
if (!pcmk_is_set(wrapper->action->flags, pe_action_runnable)) {
/* Only interested in runnable operations */
} else if (!pcmk__str_eq(wrapper->action->task, RSC_START, pcmk__str_casei)) {
/* Only interested in start operations */
} else if (pcmk_is_set(wrapper->action->flags, pe_action_dumped)
|| should_dump_action(wrapper->action)) {
crm_trace("Action %s (%d) should be dumped: "
"dependency of %s (%d)",
action->uuid, action->id,
wrapper->action->uuid, wrapper->action->id);
return true;
}
}
}
if (!pcmk_is_set(action->flags, pe_action_runnable)) {
crm_trace("Ignoring action %s (%d): unrunnable",
action->uuid, action->id);
return false;
} else if (pcmk_is_set(action->flags, pe_action_optional)
&& !pcmk_is_set(action->flags, pe_action_print_always)) {
crm_trace("Ignoring action %s (%d): optional",
action->uuid, action->id);
return false;
// Monitors should be dumped even for unmanaged resources
} else if (action->rsc && !pcmk_is_set(action->rsc->flags, pe_rsc_managed)
&& !pcmk__str_eq(action->task, RSC_STATUS, pcmk__str_casei)) {
const char *interval_ms_s = g_hash_table_lookup(action->meta,
XML_LRM_ATTR_INTERVAL_MS);
// Cancellation of recurring monitors should still be dumped
if (pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches)) {
crm_trace("Ignoring action %s (%d): for unmanaged resource (%s)",
action->uuid, action->id, action->rsc->id);
return false;
}
}
if (pcmk_is_set(action->flags, pe_action_pseudo) ||
pcmk__strcase_any_of(action->task, CRM_OP_FENCE, CRM_OP_SHUTDOWN, NULL)) {
/* skip the next checks */
return true;
}
if (action->node == NULL) {
pe_err("Skipping action %s (%d) "
"because it was not allocated to a node (bug?)",
action->uuid, action->id);
pcmk__log_action("Unallocated action", action, false);
return false;
} else if (pcmk_is_set(action->flags, pe_action_dc)) {
crm_trace("Action %s (%d) should be dumped: "
"can run on DC instead of %s",
action->uuid, action->id, action->node->details->uname);
} else if (pe__is_guest_node(action->node)
&& !action->node->details->remote_requires_reset) {
crm_trace("Action %s (%d) should be dumped: "
"assuming will be runnable on guest node %s",
action->uuid, action->id, action->node->details->uname);
} else if (action->node->details->online == false) {
pe_err("Skipping action %s (%d) "
"because it was scheduled for offline node (bug?)",
action->uuid, action->id);
pcmk__log_action("Action for offline node", action, false);
return false;
#if 0
/* but this would also affect resources that can be safely
* migrated before a fencing op
*/
} else if (action->node->details->unclean == false) {
pe_err("Skipping action %s (%d) "
"because it was scheduled for unclean node (bug?)",
action->uuid, action->id);
pcmk__log_action("Action for unclean node", action, false);
return false;
#endif
}
return true;
}
/*!
* \internal
* \brief Check whether an ordering's flags can change an action
*
* \param[in] ordering Ordering to check
*
* \return true if ordering has flags that can change an action, false otherwise
*/
static bool
ordering_can_change_actions(pe_action_wrapper_t *ordering)
{
return pcmk_any_flags_set(ordering->type, ~(pe_order_implies_first_printed
|pe_order_implies_then_printed
|pe_order_optional));
}
/*!
* \internal
* \brief Check whether an action input should be in the transition graph
*
* \param[in] action Action to check
* \param[in,out] input Action input to check
*
* \return true if input should be in graph, false otherwise
* \note This function may not only check an input, but disable it under certian
* circumstances (load or anti-colocation orderings that are not needed).
*/
static bool
check_dump_input(pe_action_t *action, pe_action_wrapper_t *input)
{
if (input->state == pe_link_dumped) {
return true;
}
if (input->type == pe_order_none) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"ordering disabled",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (!pcmk_is_set(input->action->flags, pe_action_runnable)
&& !ordering_can_change_actions(input)
&& !pcmk__str_eq(input->action->uuid, CRM_OP_PROBED, pcmk__str_casei)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"optional and input unrunnable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (!pcmk_is_set(input->action->flags, pe_action_runnable)
&& pcmk_is_set(input->type, pe_order_one_or_more)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"one-or-more and input unrunnable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (pcmk_is_set(action->flags, pe_action_pseudo)
&& pcmk_is_set(input->type, pe_order_stonith_stop)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"stonith stop but action is pseudo",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (pcmk_is_set(input->type, pe_order_implies_first_migratable)
&& !pcmk_is_set(input->action->flags, pe_action_runnable)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"implies input migratable but input unrunnable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (pcmk_is_set(input->type, pe_order_apply_first_non_migratable)
&& pcmk_is_set(input->action->flags, pe_action_migrate_runnable)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"only if input unmigratable but input unrunnable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if ((input->type == pe_order_optional)
&& pcmk_is_set(input->action->flags, pe_action_migrate_runnable)
&& pcmk__ends_with(input->action->uuid, "_stop_0")) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"optional but stop in migration",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (input->type == pe_order_load) {
pe_node_t *input_node = input->action->node;
// load orderings are relevant only if actions are for same node
if (action->rsc && pcmk__str_eq(action->task, RSC_MIGRATE, pcmk__str_casei)) {
pe_node_t *allocated = action->rsc->allocated_to;
/* For load_stopped -> migrate_to orderings, we care about where it
* has been allocated to, not where it will be executed.
*/
if ((input_node == NULL) || (allocated == NULL)
|| (input_node->details != allocated->details)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"load ordering node mismatch %s vs %s",
action->uuid, action->id,
input->action->uuid, input->action->id,
(allocated? allocated->details->uname : "<none>"),
(input_node? input_node->details->uname : "<none>"));
input->type = pe_order_none;
return false;
}
} else if ((input_node == NULL) || (action->node == NULL)
|| (input_node->details != action->node->details)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"load ordering node mismatch %s vs %s",
action->uuid, action->id,
input->action->uuid, input->action->id,
(action->node? action->node->details->uname : "<none>"),
(input_node? input_node->details->uname : "<none>"));
input->type = pe_order_none;
return false;
} else if (pcmk_is_set(input->action->flags, pe_action_optional)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"load ordering input optional",
action->uuid, action->id,
input->action->uuid, input->action->id);
input->type = pe_order_none;
return false;
}
} else if (input->type == pe_order_anti_colocation) {
if (input->action->node && action->node
&& (input->action->node->details != action->node->details)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"anti-colocation node mismatch %s vs %s",
action->uuid, action->id,
input->action->uuid, input->action->id,
action->node->details->uname,
input->action->node->details->uname);
input->type = pe_order_none;
return false;
} else if (pcmk_is_set(input->action->flags, pe_action_optional)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"anti-colocation input optional",
action->uuid, action->id,
input->action->uuid, input->action->id);
input->type = pe_order_none;
return false;
}
} else if (input->action->rsc
&& input->action->rsc != action->rsc
&& pcmk_is_set(input->action->rsc->flags, pe_rsc_failed)
&& !pcmk_is_set(input->action->rsc->flags, pe_rsc_managed)
&& pcmk__ends_with(input->action->uuid, "_stop_0")
&& action->rsc && pe_rsc_is_clone(action->rsc)) {
crm_warn("Ignoring requirement that %s complete before %s:"
" unmanaged failed resources cannot prevent clone shutdown",
input->action->uuid, action->uuid);
return false;
} else if (pcmk_is_set(input->action->flags, pe_action_optional)
&& !pcmk_any_flags_set(input->action->flags,
pe_action_print_always|pe_action_dumped)
&& !should_dump_action(input->action)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"input optional",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
}
crm_trace("%s (%d) input %s %s (%d) on %s should be dumped: %s %s 0x%.6x",
action->uuid, action->id, action_type_str(input->action->flags),
input->action->uuid, input->action->id,
action_node_str(input->action),
action_runnable_str(input->action->flags),
action_optional_str(input->action->flags), input->type);
return true;
}
bool
pcmk__graph_has_loop(pe_action_t *init_action, pe_action_t *action,
pe_action_wrapper_t *input)
{
bool has_loop = false;
if (pcmk_is_set(input->action->flags, pe_action_tracking)) {
crm_trace("Breaking tracking loop: %s@%s -> %s@%s (0x%.6x)",
input->action->uuid,
input->action->node? input->action->node->details->uname : "",
action->uuid,
action->node? action->node->details->uname : "",
input->type);
return false;
}
// Don't need to check inputs that won't be used
if (!check_dump_input(action, input)) {
return false;
}
if (input->action == init_action) {
crm_debug("Input loop found in %s@%s ->...-> %s@%s",
action->uuid,
action->node? action->node->details->uname : "",
init_action->uuid,
init_action->node? init_action->node->details->uname : "");
return true;
}
pe__set_action_flags(input->action, pe_action_tracking);
crm_trace("Checking inputs of action %s@%s input %s@%s (0x%.6x)"
"for graph loop with %s@%s ",
action->uuid,
action->node? action->node->details->uname : "",
input->action->uuid,
input->action->node? input->action->node->details->uname : "",
input->type,
init_action->uuid,
init_action->node? init_action->node->details->uname : "");
// Recursively check input itself for loops
for (GList *iter = input->action->actions_before;
iter != NULL; iter = iter->next) {
if (pcmk__graph_has_loop(init_action, input->action,
(pe_action_wrapper_t *) iter->data)) {
// Recursive call already logged a debug message
has_loop = true;
goto done;
}
}
done:
pe__clear_action_flags(input->action, pe_action_tracking);
if (!has_loop) {
crm_trace("No input loop found in %s@%s -> %s@%s (0x%.6x)",
input->action->uuid,
input->action->node? input->action->node->details->uname : "",
action->uuid,
action->node? action->node->details->uname : "",
input->type);
}
return has_loop;
}
/*!
* \internal
* \brief Add an action to the transition graph XML if appropriate
*
* \param[in] action Action to possibly add
* \param[in] data_set Cluster working set
*
* \note This will de-duplicate the action inputs, meaning that the
* pe_action_wrapper_t:type flags can no longer be relied on to retain
* their original settings. That means this MUST be called after
* pcmk__apply_orderings() is complete, and nothing after this should rely
* on those type flags. (For example, some code looks for type equal to
* some flag rather than whether the flag is set, and some code looks for
* particular combinations of flags -- such code must be done before
* stage8().)
*/
void
graph_element_from_action(pe_action_t *action, pe_working_set_t *data_set)
{
GList *lpc = NULL;
int synapse_priority = 0;
xmlNode *syn = NULL;
xmlNode *set = NULL;
xmlNode *in = NULL;
xmlNode *xml_action = NULL;
pe_action_wrapper_t *input = NULL;
/* If we haven't already, de-duplicate inputs -- even if we won't be dumping
* the action, so that crm_simulate dot graphs don't have duplicates.
*/
if (!pcmk_is_set(action->flags, pe_action_dedup)) {
pcmk__deduplicate_action_inputs(action);
pe__set_action_flags(action, pe_action_dedup);
}
if (should_dump_action(action) == FALSE) {
return;
}
pe__set_action_flags(action, pe_action_dumped);
syn = create_xml_node(data_set->graph, "synapse");
set = create_xml_node(syn, "action_set");
in = create_xml_node(syn, "inputs");
crm_xml_add_int(syn, XML_ATTR_ID, data_set->num_synapse);
data_set->num_synapse++;
if (action->rsc != NULL) {
synapse_priority = action->rsc->priority;
}
if (action->priority > synapse_priority) {
synapse_priority = action->priority;
}
if (synapse_priority > 0) {
crm_xml_add_int(syn, XML_CIB_ATTR_PRIORITY, synapse_priority);
}
xml_action = action2xml(action, FALSE, data_set);
add_node_nocopy(set, crm_element_name(xml_action), xml_action);
for (lpc = action->actions_before; lpc != NULL; lpc = lpc->next) {
input = (pe_action_wrapper_t *) lpc->data;
if (check_dump_input(action, input)) {
xmlNode *input_xml = create_xml_node(in, "trigger");
input->state = pe_link_dumped;
xml_action = action2xml(input->action, TRUE, data_set);
add_node_nocopy(input_xml, crm_element_name(xml_action), xml_action);
}
}
}
+
+static int transition_id = -1;
+
+/*!
+ * \internal
+ * \brief Log a message after calculating a transition
+ *
+ * \param[in] filename Where transition input is stored
+ */
+void
+pcmk__log_transition_summary(const char *filename)
+{
+ if (was_processing_error) {
+ crm_err("Calculated transition %d (with errors)%s%s",
+ transition_id,
+ (filename == NULL)? "" : ", saving inputs in ",
+ (filename == NULL)? "" : filename);
+
+ } else if (was_processing_warning) {
+ crm_warn("Calculated transition %d (with warnings)%s%s",
+ transition_id,
+ (filename == NULL)? "" : ", saving inputs in ",
+ (filename == NULL)? "" : filename);
+
+ } else {
+ crm_notice("Calculated transition %d%s%s",
+ transition_id,
+ (filename == NULL)? "" : ", saving inputs in ",
+ (filename == NULL)? "" : filename);
+ }
+ if (crm_config_error) {
+ crm_notice("Configuration errors found during scheduler processing,"
+ " please run \"crm_verify -L\" to identify issues");
+ }
+}
+
+/*
+ * Create a dependency graph to send to the transitioner (via the controller)
+ */
+gboolean
+stage8(pe_working_set_t * data_set)
+{
+ GList *gIter = NULL;
+ const char *value = NULL;
+ long long limit = 0LL;
+
+ transition_id++;
+ crm_trace("Creating transition graph %d.", transition_id);
+
+ data_set->graph = create_xml_node(NULL, XML_TAG_GRAPH);
+
+ value = pe_pref(data_set->config_hash, "cluster-delay");
+ crm_xml_add(data_set->graph, "cluster-delay", value);
+
+ value = pe_pref(data_set->config_hash, "stonith-timeout");
+ crm_xml_add(data_set->graph, "stonith-timeout", value);
+
+ crm_xml_add(data_set->graph, "failed-stop-offset", "INFINITY");
+
+ if (pcmk_is_set(data_set->flags, pe_flag_start_failure_fatal)) {
+ crm_xml_add(data_set->graph, "failed-start-offset", "INFINITY");
+ } else {
+ crm_xml_add(data_set->graph, "failed-start-offset", "1");
+ }
+
+ value = pe_pref(data_set->config_hash, "batch-limit");
+ crm_xml_add(data_set->graph, "batch-limit", value);
+
+ crm_xml_add_int(data_set->graph, "transition_id", transition_id);
+
+ value = pe_pref(data_set->config_hash, "migration-limit");
+ if ((pcmk__scan_ll(value, &limit, 0LL) == pcmk_rc_ok) && (limit > 0)) {
+ crm_xml_add(data_set->graph, "migration-limit", value);
+ }
+
+ if (data_set->recheck_by > 0) {
+ char *recheck_epoch = NULL;
+
+ recheck_epoch = crm_strdup_printf("%llu",
+ (long long) data_set->recheck_by);
+ crm_xml_add(data_set->graph, "recheck-by", recheck_epoch);
+ free(recheck_epoch);
+ }
+
+ /* The following code will de-duplicate action inputs, so nothing past this
+ * should rely on the action input type flags retaining their original
+ * values.
+ */
+
+ gIter = data_set->resources;
+ for (; gIter != NULL; gIter = gIter->next) {
+ pe_resource_t *rsc = (pe_resource_t *) gIter->data;
+
+ pe_rsc_trace(rsc, "processing actions for rsc=%s", rsc->id);
+ rsc->cmds->expand(rsc, data_set);
+ }
+
+ crm_log_xml_trace(data_set->graph, "created resource-driven action list");
+
+ /* pseudo action to distribute list of nodes with maintenance state update */
+ add_maintenance_update(data_set);
+
+ /* catch any non-resource specific actions */
+ crm_trace("processing non-resource actions");
+
+ gIter = data_set->actions;
+ for (; gIter != NULL; gIter = gIter->next) {
+ pe_action_t *action = (pe_action_t *) gIter->data;
+
+ if (action->rsc
+ && action->node
+ && action->node->details->shutdown
+ && !pcmk_is_set(action->rsc->flags, pe_rsc_maintenance)
+ && !pcmk_any_flags_set(action->flags,
+ pe_action_optional|pe_action_runnable)
+ && pcmk__str_eq(action->task, RSC_STOP, pcmk__str_none)
+ ) {
+ /* Eventually we should just ignore the 'fence' case
+ * But for now it's the best way to detect (in CTS) when
+ * CIB resource updates are being lost
+ */
+ if (pcmk_is_set(data_set->flags, pe_flag_have_quorum)
+ || data_set->no_quorum_policy == no_quorum_ignore) {
+ crm_crit("Cannot %s node '%s' because of %s:%s%s (%s)",
+ action->node->details->unclean ? "fence" : "shut down",
+ action->node->details->uname, action->rsc->id,
+ pcmk_is_set(action->rsc->flags, pe_rsc_managed)? " blocked" : " unmanaged",
+ pcmk_is_set(action->rsc->flags, pe_rsc_failed)? " failed" : "",
+ action->uuid);
+ }
+ }
+
+ graph_element_from_action(action, data_set);
+ }
+
+ crm_log_xml_trace(data_set->graph, "created generic action list");
+ crm_trace("Created transition graph %d.", transition_id);
+
+ return TRUE;
+}
diff --git a/lib/pacemaker/pcmk_sched_allocate.c b/lib/pacemaker/pcmk_sched_allocate.c
index e9eeb2312e..aa1cb9d71a 100644
--- a/lib/pacemaker/pcmk_sched_allocate.c
+++ b/lib/pacemaker/pcmk_sched_allocate.c
@@ -1,2109 +1,1969 @@
/*
* Copyright 2004-2021 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/xml_internal.h>
#include <glib.h>
#include <crm/pengine/status.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
CRM_TRACE_INIT_DATA(pacemaker);
extern bool pcmk__is_daemon;
void set_alloc_actions(pe_working_set_t * data_set);
extern void ReloadRsc(pe_resource_t * rsc, pe_node_t *node, pe_working_set_t * data_set);
extern gboolean DeleteRsc(pe_resource_t * rsc, pe_node_t * node, gboolean optional, pe_working_set_t * data_set);
resource_alloc_functions_t resource_class_alloc_functions[] = {
{
pcmk__native_merge_weights,
pcmk__native_allocate,
native_create_actions,
native_create_probe,
native_internal_constraints,
native_rsc_colocation_lh,
native_rsc_colocation_rh,
pcmk__colocated_resources,
native_rsc_location,
native_action_flags,
native_update_actions,
pcmk__output_resource_actions,
native_expand,
native_append_meta,
},
{
pcmk__group_merge_weights,
pcmk__group_allocate,
group_create_actions,
native_create_probe,
group_internal_constraints,
group_rsc_colocation_lh,
group_rsc_colocation_rh,
pcmk__group_colocated_resources,
group_rsc_location,
group_action_flags,
group_update_actions,
pcmk__output_resource_actions,
group_expand,
group_append_meta,
},
{
pcmk__native_merge_weights,
pcmk__clone_allocate,
clone_create_actions,
clone_create_probe,
clone_internal_constraints,
clone_rsc_colocation_lh,
clone_rsc_colocation_rh,
pcmk__colocated_resources,
clone_rsc_location,
clone_action_flags,
pcmk__multi_update_actions,
pcmk__output_resource_actions,
clone_expand,
clone_append_meta,
},
{
pcmk__native_merge_weights,
pcmk__bundle_allocate,
pcmk__bundle_create_actions,
pcmk__bundle_create_probe,
pcmk__bundle_internal_constraints,
pcmk__bundle_rsc_colocation_lh,
pcmk__bundle_rsc_colocation_rh,
pcmk__colocated_resources,
pcmk__bundle_rsc_location,
pcmk__bundle_action_flags,
pcmk__multi_update_actions,
pcmk__output_bundle_actions,
pcmk__bundle_expand,
pcmk__bundle_append_meta,
}
};
static gboolean
check_rsc_parameters(pe_resource_t * rsc, pe_node_t * node, xmlNode * rsc_entry,
gboolean active_here, pe_working_set_t * data_set)
{
int attr_lpc = 0;
gboolean force_restart = FALSE;
gboolean delete_resource = FALSE;
gboolean changed = FALSE;
const char *value = NULL;
const char *old_value = NULL;
const char *attr_list[] = {
XML_ATTR_TYPE,
XML_AGENT_ATTR_CLASS,
XML_AGENT_ATTR_PROVIDER
};
for (; attr_lpc < PCMK__NELEM(attr_list); attr_lpc++) {
value = crm_element_value(rsc->xml, attr_list[attr_lpc]);
old_value = crm_element_value(rsc_entry, attr_list[attr_lpc]);
if (value == old_value /* i.e. NULL */
|| pcmk__str_eq(value, old_value, pcmk__str_none)) {
continue;
}
changed = TRUE;
trigger_unfencing(rsc, node, "Device definition changed", NULL, data_set);
if (active_here) {
force_restart = TRUE;
crm_notice("Forcing restart of %s on %s, %s changed: %s -> %s",
rsc->id, node->details->uname, attr_list[attr_lpc],
crm_str(old_value), crm_str(value));
}
}
if (force_restart) {
/* make sure the restart happens */
stop_action(rsc, node, FALSE);
pe__set_resource_flags(rsc, pe_rsc_start_pending);
delete_resource = TRUE;
} else if (changed) {
delete_resource = TRUE;
}
return delete_resource;
}
static void
CancelXmlOp(pe_resource_t * rsc, xmlNode * xml_op, pe_node_t * active_node,
const char *reason, pe_working_set_t * data_set)
{
guint interval_ms = 0;
pe_action_t *cancel = NULL;
const char *task = NULL;
const char *call_id = NULL;
CRM_CHECK(xml_op != NULL, return);
CRM_CHECK(active_node != NULL, return);
task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
call_id = crm_element_value(xml_op, XML_LRM_ATTR_CALLID);
crm_element_value_ms(xml_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
crm_info("Action " PCMK__OP_FMT " on %s will be stopped: %s",
rsc->id, task, interval_ms,
active_node->details->uname, (reason? reason : "unknown"));
cancel = pcmk__new_cancel_action(rsc, task, interval_ms, active_node);
add_hash_param(cancel->meta, XML_LRM_ATTR_CALLID, call_id);
pcmk__new_ordering(rsc, stop_key(rsc), NULL, rsc, NULL, cancel,
pe_order_optional, data_set);
}
static gboolean
check_action_definition(pe_resource_t * rsc, pe_node_t * active_node, xmlNode * xml_op,
pe_working_set_t * data_set)
{
char *key = NULL;
guint interval_ms = 0;
const op_digest_cache_t *digest_data = NULL;
gboolean did_change = FALSE;
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *digest_secure = NULL;
CRM_CHECK(active_node != NULL, return FALSE);
crm_element_value_ms(xml_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
if (interval_ms > 0) {
xmlNode *op_match = NULL;
/* we need to reconstruct the key because of the way we used to construct resource IDs */
key = pcmk__op_key(rsc->id, task, interval_ms);
pe_rsc_trace(rsc, "Checking parameters for %s", key);
op_match = find_rsc_op_entry(rsc, key);
if ((op_match == NULL)
&& pcmk_is_set(data_set->flags, pe_flag_stop_action_orphans)) {
CancelXmlOp(rsc, xml_op, active_node, "orphan", data_set);
free(key);
return TRUE;
} else if (op_match == NULL) {
pe_rsc_debug(rsc, "Orphan action detected: %s on %s", key, active_node->details->uname);
free(key);
return TRUE;
}
free(key);
key = NULL;
}
crm_trace("Testing " PCMK__OP_FMT " on %s",
rsc->id, task, interval_ms, active_node->details->uname);
if ((interval_ms == 0) && pcmk__str_eq(task, RSC_STATUS, pcmk__str_casei)) {
/* Reload based on the start action not a probe */
task = RSC_START;
} else if ((interval_ms == 0) && pcmk__str_eq(task, RSC_MIGRATED, pcmk__str_casei)) {
/* Reload based on the start action not a migrate */
task = RSC_START;
} else if ((interval_ms == 0) && pcmk__str_eq(task, RSC_PROMOTE, pcmk__str_casei)) {
/* Reload based on the start action not a promote */
task = RSC_START;
}
digest_data = rsc_action_digest_cmp(rsc, xml_op, active_node, data_set);
if (pcmk_is_set(data_set->flags, pe_flag_sanitized)) {
digest_secure = crm_element_value(xml_op, XML_LRM_ATTR_SECURE_DIGEST);
}
if(digest_data->rc != RSC_DIGEST_MATCH
&& digest_secure
&& digest_data->digest_secure_calc
&& strcmp(digest_data->digest_secure_calc, digest_secure) == 0) {
if (!pcmk__is_daemon && data_set->priv != NULL) {
pcmk__output_t *out = data_set->priv;
out->info(out, "Only 'private' parameters to "
PCMK__OP_FMT " on %s changed: %s", rsc->id, task,
interval_ms, active_node->details->uname,
crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC));
}
} else if (digest_data->rc == RSC_DIGEST_RESTART) {
/* Changes that force a restart */
pe_action_t *required = NULL;
did_change = TRUE;
key = pcmk__op_key(rsc->id, task, interval_ms);
crm_log_xml_info(digest_data->params_restart, "params:restart");
required = custom_action(rsc, key, task, NULL, FALSE, TRUE, data_set);
pe_action_set_reason(required, "resource definition change", true);
trigger_unfencing(rsc, active_node, "Device parameters changed", NULL, data_set);
} else if ((digest_data->rc == RSC_DIGEST_ALL) || (digest_data->rc == RSC_DIGEST_UNKNOWN)) {
// Changes that can potentially be handled by an agent reload
const char *digest_restart = crm_element_value(xml_op, XML_LRM_ATTR_RESTART_DIGEST);
did_change = TRUE;
trigger_unfencing(rsc, active_node, "Device parameters changed (reload)", NULL, data_set);
crm_log_xml_info(digest_data->params_all, "params:reload");
key = pcmk__op_key(rsc->id, task, interval_ms);
if (interval_ms > 0) {
pe_action_t *op = NULL;
#if 0
/* Always reload/restart the entire resource */
ReloadRsc(rsc, active_node, data_set);
#else
/* Re-sending the recurring op is sufficient - the old one will be cancelled automatically */
op = custom_action(rsc, key, task, active_node, TRUE, TRUE, data_set);
pe__set_action_flags(op, pe_action_reschedule);
#endif
} else if (digest_restart) {
pe_rsc_trace(rsc, "Reloading '%s' action for resource %s", task, rsc->id);
/* Reload this resource */
ReloadRsc(rsc, active_node, data_set);
free(key);
} else {
pe_action_t *required = NULL;
pe_rsc_trace(rsc, "Resource %s doesn't support agent reloads",
rsc->id);
/* Re-send the start/demote/promote op
* Recurring ops will be detected independently
*/
required = custom_action(rsc, key, task, NULL, FALSE, TRUE,
data_set);
pe_action_set_reason(required, "resource definition change", true);
}
}
return did_change;
}
/*!
* \internal
* \brief Do deferred action checks after allocation
*
* \param[in] data_set Working set for cluster
*/
static void
check_params(pe_resource_t *rsc, pe_node_t *node, xmlNode *rsc_op,
enum pe_check_parameters check, pe_working_set_t *data_set)
{
const char *reason = NULL;
op_digest_cache_t *digest_data = NULL;
switch (check) {
case pe_check_active:
if (check_action_definition(rsc, node, rsc_op, data_set)
&& pe_get_failcount(node, rsc, NULL, pe_fc_effective, NULL,
data_set)) {
reason = "action definition changed";
}
break;
case pe_check_last_failure:
digest_data = rsc_action_digest_cmp(rsc, rsc_op, node, data_set);
switch (digest_data->rc) {
case RSC_DIGEST_UNKNOWN:
crm_trace("Resource %s history entry %s on %s has no digest to compare",
rsc->id, ID(rsc_op), node->details->id);
break;
case RSC_DIGEST_MATCH:
break;
default:
reason = "resource parameters have changed";
break;
}
break;
}
if (reason) {
pe__clear_failcount(rsc, node, reason, data_set);
}
}
static void
check_actions_for(xmlNode * rsc_entry, pe_resource_t * rsc, pe_node_t * node, pe_working_set_t * data_set)
{
GList *gIter = NULL;
int offset = -1;
int stop_index = 0;
int start_index = 0;
const char *task = NULL;
xmlNode *rsc_op = NULL;
GList *op_list = NULL;
GList *sorted_op_list = NULL;
CRM_CHECK(node != NULL, return);
if (pcmk_is_set(rsc->flags, pe_rsc_orphan)) {
pe_resource_t *parent = uber_parent(rsc);
if(parent == NULL
|| pe_rsc_is_clone(parent) == FALSE
|| pcmk_is_set(parent->flags, pe_rsc_unique)) {
pe_rsc_trace(rsc, "Skipping param check for %s and deleting: orphan", rsc->id);
DeleteRsc(rsc, node, FALSE, data_set);
} else {
pe_rsc_trace(rsc, "Skipping param check for %s (orphan clone)", rsc->id);
}
return;
} else if (pe_find_node_id(rsc->running_on, node->details->id) == NULL) {
if (check_rsc_parameters(rsc, node, rsc_entry, FALSE, data_set)) {
DeleteRsc(rsc, node, FALSE, data_set);
}
pe_rsc_trace(rsc, "Skipping param check for %s: no longer active on %s",
rsc->id, node->details->uname);
return;
}
pe_rsc_trace(rsc, "Processing %s on %s", rsc->id, node->details->uname);
if (check_rsc_parameters(rsc, node, rsc_entry, TRUE, data_set)) {
DeleteRsc(rsc, node, FALSE, data_set);
}
for (rsc_op = pcmk__xe_first_child(rsc_entry); rsc_op != NULL;
rsc_op = pcmk__xe_next(rsc_op)) {
if (pcmk__str_eq((const char *)rsc_op->name, XML_LRM_TAG_RSC_OP, pcmk__str_none)) {
op_list = g_list_prepend(op_list, rsc_op);
}
}
sorted_op_list = g_list_sort(op_list, sort_op_by_callid);
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;
guint interval_ms = 0;
offset++;
if (start_index < stop_index) {
/* stopped */
continue;
} else if (offset < start_index) {
/* action occurred prior to a start */
continue;
}
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
crm_element_value_ms(rsc_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
if ((interval_ms > 0) &&
(pcmk_is_set(rsc->flags, pe_rsc_maintenance) || node->details->maintenance)) {
// Maintenance mode cancels recurring operations
CancelXmlOp(rsc, rsc_op, node, "maintenance mode", data_set);
} else if ((interval_ms > 0) || pcmk__strcase_any_of(task, RSC_STATUS, RSC_START,
RSC_PROMOTE, RSC_MIGRATED, NULL)) {
/* If a resource operation failed, and the operation's definition
* has changed, clear any fail count so they can be retried fresh.
*/
if (pe__bundle_needs_remote_name(rsc, data_set)) {
/* We haven't allocated resources to nodes yet, so if the
* REMOTE_CONTAINER_HACK is used, we may calculate the digest
* based on the literal "#uname" value rather than the properly
* substituted value. That would mistakenly make the action
* definition appear to have been changed. Defer the check until
* later in this case.
*/
pe__add_param_check(rsc_op, rsc, node, pe_check_active,
data_set);
} else if (check_action_definition(rsc, node, rsc_op, data_set)
&& pe_get_failcount(node, rsc, NULL, pe_fc_effective, NULL,
data_set)) {
pe__clear_failcount(rsc, node, "action definition changed",
data_set);
}
}
}
g_list_free(sorted_op_list);
}
static GList *
find_rsc_list(GList *result, pe_resource_t * rsc, const char *id, gboolean renamed_clones,
gboolean partial, pe_working_set_t * data_set)
{
GList *gIter = NULL;
gboolean match = FALSE;
if (id == NULL) {
return NULL;
}
if (rsc == NULL) {
if (data_set == NULL) {
return NULL;
}
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child = (pe_resource_t *) gIter->data;
result = find_rsc_list(result, child, id, renamed_clones, partial,
NULL);
}
return result;
}
if (partial) {
if (strstr(rsc->id, id)) {
match = TRUE;
} else if (renamed_clones && rsc->clone_name && strstr(rsc->clone_name, id)) {
match = TRUE;
}
} else {
if (strcmp(rsc->id, id) == 0) {
match = TRUE;
} else if (renamed_clones && rsc->clone_name && strcmp(rsc->clone_name, id) == 0) {
match = TRUE;
}
}
if (match) {
result = g_list_prepend(result, rsc);
}
if (rsc->children) {
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child = (pe_resource_t *) gIter->data;
result = find_rsc_list(result, child, id, renamed_clones, partial, NULL);
}
}
return result;
}
static void
check_actions(pe_working_set_t * data_set)
{
const char *id = NULL;
pe_node_t *node = NULL;
xmlNode *lrm_rscs = NULL;
xmlNode *status = pcmk_find_cib_element(data_set->input,
XML_CIB_TAG_STATUS);
xmlNode *node_state = NULL;
for (node_state = pcmk__xe_first_child(status); node_state != NULL;
node_state = pcmk__xe_next(node_state)) {
if (pcmk__str_eq((const char *)node_state->name, XML_CIB_TAG_STATE,
pcmk__str_none)) {
id = crm_element_value(node_state, XML_ATTR_ID);
lrm_rscs = find_xml_node(node_state, XML_CIB_TAG_LRM, FALSE);
lrm_rscs = find_xml_node(lrm_rscs, XML_LRM_TAG_RESOURCES, FALSE);
node = pe_find_node_id(data_set->nodes, id);
if (node == NULL) {
continue;
/* Still need to check actions for a maintenance node to cancel existing monitor operations */
} else if (can_run_resources(node) == FALSE && node->details->maintenance == FALSE) {
crm_trace("Skipping param check for %s: can't run resources",
node->details->uname);
continue;
}
crm_trace("Processing node %s", node->details->uname);
if (node->details->online
|| pcmk_is_set(data_set->flags, pe_flag_stonith_enabled)) {
xmlNode *rsc_entry = NULL;
for (rsc_entry = pcmk__xe_first_child(lrm_rscs);
rsc_entry != NULL;
rsc_entry = pcmk__xe_next(rsc_entry)) {
if (pcmk__str_eq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE, pcmk__str_none)) {
if (xml_has_children(rsc_entry)) {
GList *gIter = NULL;
GList *result = NULL;
const char *rsc_id = ID(rsc_entry);
CRM_CHECK(rsc_id != NULL, return);
result = find_rsc_list(NULL, NULL, rsc_id, TRUE, FALSE, data_set);
for (gIter = result; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
if (rsc->variant != pe_native) {
continue;
}
check_actions_for(rsc_entry, rsc, node, data_set);
}
g_list_free(result);
}
}
}
}
}
}
}
static gboolean
failcount_clear_action_exists(pe_node_t * node, pe_resource_t * rsc)
{
gboolean rc = FALSE;
GList *list = pe__resource_actions(rsc, node, CRM_OP_CLEAR_FAILCOUNT, TRUE);
if (list) {
rc = TRUE;
}
g_list_free(list);
return rc;
}
static void
common_apply_stickiness(pe_resource_t * rsc, pe_node_t * node, pe_working_set_t * data_set)
{
if (rsc->children) {
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
common_apply_stickiness(child_rsc, node, data_set);
}
return;
}
if (pcmk_is_set(rsc->flags, pe_rsc_managed)
&& rsc->stickiness != 0 && pcmk__list_of_1(rsc->running_on)) {
pe_node_t *current = pe_find_node_id(rsc->running_on, node->details->id);
pe_node_t *match = pe_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (current == NULL) {
} else if ((match != NULL)
|| pcmk_is_set(data_set->flags, pe_flag_symmetric_cluster)) {
pe_resource_t *sticky_rsc = rsc;
resource_location(sticky_rsc, node, rsc->stickiness, "stickiness", data_set);
pe_rsc_debug(sticky_rsc, "Resource %s: preferring current location"
" (node=%s, weight=%d)", sticky_rsc->id,
node->details->uname, rsc->stickiness);
} else {
GHashTableIter iter;
pe_node_t *nIter = NULL;
pe_rsc_debug(rsc, "Ignoring stickiness for %s: the cluster is asymmetric"
" and node %s is not explicitly allowed", rsc->id, node->details->uname);
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&nIter)) {
crm_err("%s[%s] = %d", rsc->id, nIter->details->uname, nIter->weight);
}
}
}
/* Check the migration threshold only if a failcount clear action
* has not already been placed for this resource on the node.
* There is no sense in potentially forcing the resource from this
* node if the failcount is being reset anyway.
*
* @TODO A clear_failcount operation can be scheduled in stage4() via
* check_actions_for(), or in stage5() via check_params(). This runs in
* stage2(), so it cannot detect those, meaning we might check the migration
* threshold when we shouldn't -- worst case, we stop or move the resource,
* then move it back next transition.
*/
if (failcount_clear_action_exists(node, rsc) == FALSE) {
pe_resource_t *failed = NULL;
if (pcmk__threshold_reached(rsc, node, data_set, &failed)) {
resource_location(failed, node, -INFINITY, "__fail_limit__",
data_set);
}
}
}
void
complex_set_cmds(pe_resource_t * rsc)
{
GList *gIter = rsc->children;
rsc->cmds = &resource_class_alloc_functions[rsc->variant];
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
complex_set_cmds(child_rsc);
}
}
void
set_alloc_actions(pe_working_set_t * data_set)
{
GList *gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
complex_set_cmds(rsc);
}
}
static void
calculate_system_health(gpointer gKey, gpointer gValue, gpointer user_data)
{
const char *key = (const char *)gKey;
const char *value = (const char *)gValue;
int *system_health = (int *)user_data;
if (!gKey || !gValue || !user_data) {
return;
}
if (pcmk__starts_with(key, "#health")) {
int score;
/* Convert the value into an integer */
score = char2score(value);
/* Add it to the running total */
*system_health = pe__add_scores(score, *system_health);
}
}
static gboolean
apply_system_health(pe_working_set_t * data_set)
{
GList *gIter = NULL;
const char *health_strategy = pe_pref(data_set->config_hash, "node-health-strategy");
int base_health = 0;
if (pcmk__str_eq(health_strategy, "none", pcmk__str_null_matches | pcmk__str_casei)) {
/* Prevent any accidental health -> score translation */
pcmk__score_red = 0;
pcmk__score_yellow = 0;
pcmk__score_green = 0;
return TRUE;
} else if (pcmk__str_eq(health_strategy, "migrate-on-red", pcmk__str_casei)) {
/* Resources on nodes which have health values of red are
* weighted away from that node.
*/
pcmk__score_red = -INFINITY;
pcmk__score_yellow = 0;
pcmk__score_green = 0;
} else if (pcmk__str_eq(health_strategy, "only-green", pcmk__str_casei)) {
/* Resources on nodes which have health values of red or yellow
* are forced away from that node.
*/
pcmk__score_red = -INFINITY;
pcmk__score_yellow = -INFINITY;
pcmk__score_green = 0;
} else if (pcmk__str_eq(health_strategy, "progressive", pcmk__str_casei)) {
/* Same as the above, but use the r/y/g scores provided by the user
* Defaults are provided by the pe_prefs table
* Also, custom health "base score" can be used
*/
base_health = char2score(pe_pref(data_set->config_hash,
"node-health-base"));
} else if (pcmk__str_eq(health_strategy, "custom", pcmk__str_casei)) {
/* Requires the admin to configure the rsc_location constaints for
* processing the stored health scores
*/
/* TODO: Check for the existence of appropriate node health constraints */
return TRUE;
} else {
crm_err("Unknown node health strategy: %s", health_strategy);
return FALSE;
}
crm_info("Applying automated node health strategy: %s", health_strategy);
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
int system_health = base_health;
pe_node_t *node = (pe_node_t *) gIter->data;
/* Search through the node hash table for system health entries. */
g_hash_table_foreach(node->details->attrs, calculate_system_health, &system_health);
crm_info(" Node %s has an combined system health of %d",
node->details->uname, system_health);
/* If the health is non-zero, then create a new location constraint so
* that the weight will be added later on.
*/
if (system_health != 0) {
GList *gIter2 = data_set->resources;
for (; gIter2 != NULL; gIter2 = gIter2->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter2->data;
pcmk__new_location(health_strategy, rsc, system_health, NULL,
node, data_set);
}
}
}
return TRUE;
}
gboolean
stage0(pe_working_set_t * data_set)
{
if (data_set->input == NULL) {
return FALSE;
}
if (!pcmk_is_set(data_set->flags, pe_flag_have_status)) {
crm_trace("Calculating status");
cluster_status(data_set);
}
set_alloc_actions(data_set);
apply_system_health(data_set);
pcmk__unpack_constraints(data_set);
return TRUE;
}
/*
* Check nodes for resources started outside of the LRM
*/
gboolean
probe_resources(pe_working_set_t * data_set)
{
pe_action_t *probe_node_complete = NULL;
for (GList *gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
const char *probed = pe_node_attribute_raw(node, CRM_OP_PROBED);
if (node->details->online == FALSE) {
if (pcmk__is_failed_remote_node(node)) {
pe_fence_node(data_set, node, "the connection is unrecoverable", FALSE);
}
continue;
} else if (node->details->unclean) {
continue;
} else if (node->details->rsc_discovery_enabled == FALSE) {
/* resource discovery is disabled for this node */
continue;
}
if (probed != NULL && crm_is_true(probed) == FALSE) {
pe_action_t *probe_op = custom_action(NULL, crm_strdup_printf("%s-%s", CRM_OP_REPROBE, node->details->uname),
CRM_OP_REPROBE, node, FALSE, TRUE, data_set);
add_hash_param(probe_op->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
continue;
}
for (GList *gIter2 = data_set->resources; gIter2 != NULL; gIter2 = gIter2->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter2->data;
rsc->cmds->create_probe(rsc, node, probe_node_complete, FALSE, data_set);
}
}
return TRUE;
}
static void
rsc_discover_filter(pe_resource_t *rsc, pe_node_t *node)
{
pe_resource_t *top = uber_parent(rsc);
pe_node_t *match;
if (rsc->exclusive_discover == FALSE && top->exclusive_discover == FALSE) {
return;
}
g_list_foreach(rsc->children, (GFunc) rsc_discover_filter, node);
match = g_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (match && match->rsc_discover_mode != pe_discover_exclusive) {
match->weight = -INFINITY;
}
}
static time_t
shutdown_time(pe_node_t *node, pe_working_set_t *data_set)
{
const char *shutdown = pe_node_attribute_raw(node, XML_CIB_ATTR_SHUTDOWN);
time_t result = 0;
if (shutdown) {
long long result_ll;
if (pcmk__scan_ll(shutdown, &result_ll, 0LL) == pcmk_rc_ok) {
result = (time_t) result_ll;
}
}
return result? result : get_effective_time(data_set);
}
static void
apply_shutdown_lock(pe_resource_t *rsc, pe_working_set_t *data_set)
{
const char *class;
// Only primitives and (uncloned) groups may be locked
if (rsc->variant == pe_group) {
g_list_foreach(rsc->children, (GFunc) apply_shutdown_lock, data_set);
} else if (rsc->variant != pe_native) {
return;
}
// Fence devices and remote connections can't be locked
class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
if (pcmk__str_eq(class, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_null_matches)
|| pe__resource_is_remote_conn(rsc, data_set)) {
return;
}
if (rsc->lock_node != NULL) {
// The lock was obtained from resource history
if (rsc->running_on != NULL) {
/* The resource was started elsewhere even though it is now
* considered locked. This shouldn't be possible, but as a
* failsafe, we don't want to disturb the resource now.
*/
pe_rsc_info(rsc,
"Cancelling shutdown lock because %s is already active",
rsc->id);
pe__clear_resource_history(rsc, rsc->lock_node, data_set);
rsc->lock_node = NULL;
rsc->lock_time = 0;
}
// Only a resource active on exactly one node can be locked
} else if (pcmk__list_of_1(rsc->running_on)) {
pe_node_t *node = rsc->running_on->data;
if (node->details->shutdown) {
if (node->details->unclean) {
pe_rsc_debug(rsc, "Not locking %s to unclean %s for shutdown",
rsc->id, node->details->uname);
} else {
rsc->lock_node = node;
rsc->lock_time = shutdown_time(node, data_set);
}
}
}
if (rsc->lock_node == NULL) {
// No lock needed
return;
}
if (data_set->shutdown_lock > 0) {
time_t lock_expiration = rsc->lock_time + data_set->shutdown_lock;
pe_rsc_info(rsc, "Locking %s to %s due to shutdown (expires @%lld)",
rsc->id, rsc->lock_node->details->uname,
(long long) lock_expiration);
pe__update_recheck_time(++lock_expiration, data_set);
} else {
pe_rsc_info(rsc, "Locking %s to %s due to shutdown",
rsc->id, rsc->lock_node->details->uname);
}
// If resource is locked to one node, ban it from all other nodes
for (GList *item = data_set->nodes; item != NULL; item = item->next) {
pe_node_t *node = item->data;
if (strcmp(node->details->uname, rsc->lock_node->details->uname)) {
resource_location(rsc, node, -CRM_SCORE_INFINITY,
XML_CONFIG_ATTR_SHUTDOWN_LOCK, data_set);
}
}
}
/*
* \internal
* \brief Stage 2 of cluster status: apply node-specific criteria
*
* Count known nodes, and apply location constraints, stickiness, and exclusive
* resource discovery.
*/
gboolean
stage2(pe_working_set_t * data_set)
{
GList *gIter = NULL;
if (pcmk_is_set(data_set->flags, pe_flag_shutdown_lock)) {
g_list_foreach(data_set->resources, (GFunc) apply_shutdown_lock, data_set);
}
if (!pcmk_is_set(data_set->flags, pe_flag_no_compat)) {
// @COMPAT API backward compatibility
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
if (node && (node->weight >= 0) && node->details->online
&& (node->details->type != node_ping)) {
data_set->max_valid_nodes++;
}
}
}
pcmk__apply_locations(data_set);
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
GList *gIter2 = NULL;
pe_node_t *node = (pe_node_t *) gIter->data;
gIter2 = data_set->resources;
for (; gIter2 != NULL; gIter2 = gIter2->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter2->data;
common_apply_stickiness(rsc, node, data_set);
rsc_discover_filter(rsc, node);
}
}
return TRUE;
}
/*
* Check for orphaned or redefined actions
*/
gboolean
stage4(pe_working_set_t * data_set)
{
check_actions(data_set);
return TRUE;
}
static void *
convert_const_pointer(const void *ptr)
{
/* Worst function ever */
return (void *)ptr;
}
static gint
sort_rsc_process_order(gconstpointer a, gconstpointer b, gpointer data)
{
int rc = 0;
int r1_weight = -INFINITY;
int r2_weight = -INFINITY;
const char *reason = "existence";
GList *nodes = (GList *) data;
const pe_resource_t *resource1 = a;
const pe_resource_t *resource2 = b;
pe_node_t *r1_node = NULL;
pe_node_t *r2_node = NULL;
GList *gIter = NULL;
GHashTable *r1_nodes = NULL;
GHashTable *r2_nodes = NULL;
reason = "priority";
r1_weight = resource1->priority;
r2_weight = resource2->priority;
if (r1_weight > r2_weight) {
rc = -1;
goto done;
}
if (r1_weight < r2_weight) {
rc = 1;
goto done;
}
reason = "no node list";
if (nodes == NULL) {
goto done;
}
r1_nodes = pcmk__native_merge_weights(convert_const_pointer(resource1),
resource1->id, NULL, NULL, 1,
pe_weights_forward | pe_weights_init);
pe__show_node_weights(true, NULL, resource1->id, r1_nodes,
resource1->cluster);
r2_nodes = pcmk__native_merge_weights(convert_const_pointer(resource2),
resource2->id, NULL, NULL, 1,
pe_weights_forward | pe_weights_init);
pe__show_node_weights(true, NULL, resource2->id, r2_nodes,
resource2->cluster);
/* Current location score */
reason = "current location";
r1_weight = -INFINITY;
r2_weight = -INFINITY;
if (resource1->running_on) {
r1_node = pe__current_node(resource1);
r1_node = g_hash_table_lookup(r1_nodes, r1_node->details->id);
if (r1_node != NULL) {
r1_weight = r1_node->weight;
}
}
if (resource2->running_on) {
r2_node = pe__current_node(resource2);
r2_node = g_hash_table_lookup(r2_nodes, r2_node->details->id);
if (r2_node != NULL) {
r2_weight = r2_node->weight;
}
}
if (r1_weight > r2_weight) {
rc = -1;
goto done;
}
if (r1_weight < r2_weight) {
rc = 1;
goto done;
}
reason = "score";
for (gIter = nodes; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
r1_node = NULL;
r2_node = NULL;
r1_weight = -INFINITY;
if (r1_nodes) {
r1_node = g_hash_table_lookup(r1_nodes, node->details->id);
}
if (r1_node) {
r1_weight = r1_node->weight;
}
r2_weight = -INFINITY;
if (r2_nodes) {
r2_node = g_hash_table_lookup(r2_nodes, node->details->id);
}
if (r2_node) {
r2_weight = r2_node->weight;
}
if (r1_weight > r2_weight) {
rc = -1;
goto done;
}
if (r1_weight < r2_weight) {
rc = 1;
goto done;
}
}
done:
crm_trace("%s (%d) on %s %c %s (%d) on %s: %s",
resource1->id, r1_weight, r1_node ? r1_node->details->id : "n/a",
rc < 0 ? '>' : rc > 0 ? '<' : '=',
resource2->id, r2_weight, r2_node ? r2_node->details->id : "n/a", reason);
if (r1_nodes) {
g_hash_table_destroy(r1_nodes);
}
if (r2_nodes) {
g_hash_table_destroy(r2_nodes);
}
return rc;
}
static void
allocate_resources(pe_working_set_t * data_set)
{
GList *gIter = NULL;
if (pcmk_is_set(data_set->flags, pe_flag_have_remote_nodes)) {
/* Allocate remote connection resources first (which will also allocate
* any colocation dependencies). If the connection is migrating, always
* prefer the partial migration target.
*/
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
if (rsc->is_remote_node == FALSE) {
continue;
}
pe_rsc_trace(rsc, "Allocating remote connection resource '%s'",
rsc->id);
rsc->cmds->allocate(rsc, rsc->partial_migration_target, data_set);
}
}
/* now do the rest of the resources */
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
if (rsc->is_remote_node == TRUE) {
continue;
}
pe_rsc_trace(rsc, "Allocating %s resource '%s'",
crm_element_name(rsc->xml), rsc->id);
rsc->cmds->allocate(rsc, NULL, data_set);
}
}
// Clear fail counts for orphaned rsc on all online nodes
static void
cleanup_orphans(pe_resource_t * rsc, pe_working_set_t * data_set)
{
GList *gIter = NULL;
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
if (node->details->online
&& pe_get_failcount(node, rsc, NULL, pe_fc_effective, NULL,
data_set)) {
pe_action_t *clear_op = NULL;
clear_op = pe__clear_failcount(rsc, node, "it is orphaned",
data_set);
/* We can't use order_action_then_stop() here because its
* pe_order_preserve breaks things
*/
pcmk__new_ordering(clear_op->rsc, NULL, clear_op,
rsc, stop_key(rsc), NULL,
pe_order_optional, data_set);
}
}
}
gboolean
stage5(pe_working_set_t * data_set)
{
pcmk__output_t *out = data_set->priv;
GList *gIter = NULL;
if (!pcmk__str_eq(data_set->placement_strategy, "default", pcmk__str_casei)) {
GList *nodes = g_list_copy(data_set->nodes);
nodes = sort_nodes_by_weight(nodes, NULL, data_set);
data_set->resources =
g_list_sort_with_data(data_set->resources, sort_rsc_process_order, nodes);
g_list_free(nodes);
}
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
if (pcmk_is_set(data_set->flags, pe_flag_show_utilization)) {
out->message(out, "node-capacity", node, "Original");
}
}
crm_trace("Allocating services");
/* Take (next) highest resource, assign it and create its actions */
allocate_resources(data_set);
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
if (pcmk_is_set(data_set->flags, pe_flag_show_utilization)) {
out->message(out, "node-capacity", node, "Remaining");
}
}
// Process deferred action checks
pe__foreach_param_check(data_set, check_params);
pe__free_param_checks(data_set);
if (pcmk_is_set(data_set->flags, pe_flag_startup_probes)) {
crm_trace("Calculating needed probes");
/* This code probably needs optimization
* ptest -x with 100 nodes, 100 clones and clone-max=100:
With probes:
ptest[14781]: 2010/09/27_17:56:46 notice: TRACE: do_calculations: pengine.c:258 Calculate cluster status
ptest[14781]: 2010/09/27_17:56:46 notice: TRACE: do_calculations: pengine.c:278 Applying placement constraints
ptest[14781]: 2010/09/27_17:56:47 notice: TRACE: do_calculations: pengine.c:285 Create internal constraints
ptest[14781]: 2010/09/27_17:56:47 notice: TRACE: do_calculations: pengine.c:292 Check actions
ptest[14781]: 2010/09/27_17:56:48 notice: TRACE: do_calculations: pengine.c:299 Allocate resources
ptest[14781]: 2010/09/27_17:56:48 notice: TRACE: stage5: allocate.c:881 Allocating services
ptest[14781]: 2010/09/27_17:56:49 notice: TRACE: stage5: allocate.c:894 Calculating needed probes
ptest[14781]: 2010/09/27_17:56:51 notice: TRACE: stage5: allocate.c:899 Creating actions
ptest[14781]: 2010/09/27_17:56:52 notice: TRACE: stage5: allocate.c:905 Creating done
ptest[14781]: 2010/09/27_17:56:52 notice: TRACE: do_calculations: pengine.c:306 Processing fencing and shutdown cases
ptest[14781]: 2010/09/27_17:56:52 notice: TRACE: do_calculations: pengine.c:313 Applying ordering constraints
36s
ptest[14781]: 2010/09/27_17:57:28 notice: TRACE: do_calculations: pengine.c:320 Create transition graph
Without probes:
ptest[14637]: 2010/09/27_17:56:21 notice: TRACE: do_calculations: pengine.c:258 Calculate cluster status
ptest[14637]: 2010/09/27_17:56:22 notice: TRACE: do_calculations: pengine.c:278 Applying placement constraints
ptest[14637]: 2010/09/27_17:56:22 notice: TRACE: do_calculations: pengine.c:285 Create internal constraints
ptest[14637]: 2010/09/27_17:56:22 notice: TRACE: do_calculations: pengine.c:292 Check actions
ptest[14637]: 2010/09/27_17:56:23 notice: TRACE: do_calculations: pengine.c:299 Allocate resources
ptest[14637]: 2010/09/27_17:56:23 notice: TRACE: stage5: allocate.c:881 Allocating services
ptest[14637]: 2010/09/27_17:56:24 notice: TRACE: stage5: allocate.c:899 Creating actions
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: stage5: allocate.c:905 Creating done
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: do_calculations: pengine.c:306 Processing fencing and shutdown cases
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: do_calculations: pengine.c:313 Applying ordering constraints
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: do_calculations: pengine.c:320 Create transition graph
*/
probe_resources(data_set);
}
crm_trace("Handle orphans");
if (pcmk_is_set(data_set->flags, pe_flag_stop_rsc_orphans)) {
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
/* There's no need to recurse into rsc->children because those
* should just be unallocated clone instances.
*/
if (pcmk_is_set(rsc->flags, pe_rsc_orphan)) {
cleanup_orphans(rsc, data_set);
}
}
}
crm_trace("Creating actions");
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
rsc->cmds->create_actions(rsc, data_set);
}
crm_trace("Creating done");
return TRUE;
}
static gboolean
is_managed(const pe_resource_t * rsc)
{
GList *gIter = rsc->children;
if (pcmk_is_set(rsc->flags, pe_rsc_managed)) {
return TRUE;
}
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
if (is_managed(child_rsc)) {
return TRUE;
}
}
return FALSE;
}
static gboolean
any_managed_resources(pe_working_set_t * data_set)
{
GList *gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
if (is_managed(rsc)) {
return TRUE;
}
}
return FALSE;
}
/*
* Create dependencies for stonith and shutdown operations
*/
gboolean
stage6(pe_working_set_t * data_set)
{
pe_action_t *dc_down = NULL;
pe_action_t *stonith_op = NULL;
gboolean integrity_lost = FALSE;
gboolean need_stonith = TRUE;
GList *gIter;
GList *stonith_ops = NULL;
GList *shutdown_ops = NULL;
/* Remote ordering constraints need to happen prior to calculating fencing
* because it is one more place we can mark nodes as needing fencing.
*/
pcmk__order_remote_connection_actions(data_set);
crm_trace("Processing fencing and shutdown cases");
if (any_managed_resources(data_set) == FALSE) {
crm_notice("Delaying fencing operations until there are resources to manage");
need_stonith = FALSE;
}
/* Check each node for stonith/shutdown */
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
/* Guest nodes are "fenced" by recovering their container resource,
* so handle them separately.
*/
if (pe__is_guest_node(node)) {
if (node->details->remote_requires_reset && need_stonith
&& pe_can_fence(data_set, node)) {
pcmk__fence_guest(node, data_set);
}
continue;
}
stonith_op = NULL;
if (node->details->unclean
&& need_stonith && pe_can_fence(data_set, node)) {
stonith_op = pe_fence_op(node, NULL, FALSE, "node is unclean", FALSE, data_set);
pe_warn("Scheduling Node %s for STONITH", node->details->uname);
pcmk__order_vs_fence(stonith_op, data_set);
if (node->details->is_dc) {
// Remember if the DC is being fenced
dc_down = stonith_op;
} else {
if (!pcmk_is_set(data_set->flags, pe_flag_concurrent_fencing)
&& (stonith_ops != NULL)) {
/* Concurrent fencing is disabled, so order each non-DC
* fencing in a chain. If there is any DC fencing or
* shutdown, it will be ordered after the last action in the
* chain later.
*/
order_actions((pe_action_t *) stonith_ops->data,
stonith_op, pe_order_optional);
}
// Remember all non-DC fencing actions in a separate list
stonith_ops = g_list_prepend(stonith_ops, stonith_op);
}
} else if (node->details->online && node->details->shutdown &&
/* TODO define what a shutdown op means for a remote node.
* For now we do not send shutdown operations for remote nodes, but
* if we can come up with a good use for this in the future, we will. */
pe__is_guest_or_remote_node(node) == FALSE) {
pe_action_t *down_op = pcmk__new_shutdown_action(node, data_set);
if (node->details->is_dc) {
// Remember if the DC is being shut down
dc_down = down_op;
} else {
// Remember non-DC shutdowns for later ordering
shutdown_ops = g_list_prepend(shutdown_ops, down_op);
}
}
if (node->details->unclean && stonith_op == NULL) {
integrity_lost = TRUE;
pe_warn("Node %s is unclean!", node->details->uname);
}
}
if (integrity_lost) {
if (!pcmk_is_set(data_set->flags, pe_flag_stonith_enabled)) {
pe_warn("YOUR RESOURCES ARE NOW LIKELY COMPROMISED");
pe_err("ENABLE STONITH TO KEEP YOUR RESOURCES SAFE");
} else if (!pcmk_is_set(data_set->flags, pe_flag_have_quorum)) {
crm_notice("Cannot fence unclean nodes until quorum is"
" attained (or no-quorum-policy is set to ignore)");
}
}
if (dc_down != NULL) {
/* Order any non-DC shutdowns before any DC shutdown, to avoid repeated
* DC elections. However, we don't want to order non-DC shutdowns before
* a DC *fencing*, because even though we don't want a node that's
* shutting down to become DC, the DC fencing could be ordered before a
* clone stop that's also ordered before the shutdowns, thus leading to
* a graph loop.
*/
if (pcmk__str_eq(dc_down->task, CRM_OP_SHUTDOWN, pcmk__str_casei)) {
for (gIter = shutdown_ops; gIter != NULL; gIter = gIter->next) {
pe_action_t *node_stop = (pe_action_t *) gIter->data;
crm_debug("Ordering shutdown on %s before %s on DC %s",
node_stop->node->details->uname,
dc_down->task, dc_down->node->details->uname);
order_actions(node_stop, dc_down, pe_order_optional);
}
}
// Order any non-DC fencing before any DC fencing or shutdown
if (pcmk_is_set(data_set->flags, pe_flag_concurrent_fencing)) {
/* With concurrent fencing, order each non-DC fencing action
* separately before any DC fencing or shutdown.
*/
for (gIter = stonith_ops; gIter != NULL; gIter = gIter->next) {
order_actions((pe_action_t *) gIter->data, dc_down,
pe_order_optional);
}
} else if (stonith_ops) {
/* Without concurrent fencing, the non-DC fencing actions are
* already ordered relative to each other, so we just need to order
* the DC fencing after the last action in the chain (which is the
* first item in the list).
*/
order_actions((pe_action_t *) stonith_ops->data, dc_down,
pe_order_optional);
}
}
g_list_free(stonith_ops);
g_list_free(shutdown_ops);
return TRUE;
}
static gboolean
order_first_probe_unneeded(pe_action_t * probe, pe_action_t * rh_action)
{
/* No need to probe the resource on the node that is being
* unfenced. Otherwise it might introduce transition loop
* since probe will be performed after the node is
* unfenced.
*/
if (pcmk__str_eq(rh_action->task, CRM_OP_FENCE, pcmk__str_casei)
&& probe->node && rh_action->node
&& probe->node->details == rh_action->node->details) {
const char *op = g_hash_table_lookup(rh_action->meta, "stonith_action");
if (pcmk__str_eq(op, "on", pcmk__str_casei)) {
return TRUE;
}
}
// Shutdown waits for probe to complete only if it's on the same node
if ((pcmk__str_eq(rh_action->task, CRM_OP_SHUTDOWN, pcmk__str_casei))
&& probe->node && rh_action->node
&& probe->node->details != rh_action->node->details) {
return TRUE;
}
return FALSE;
}
static void
order_first_probes_imply_stops(pe_working_set_t * data_set)
{
GList *gIter = NULL;
for (gIter = data_set->ordering_constraints; gIter != NULL; gIter = gIter->next) {
pe__ordering_t *order = gIter->data;
enum pe_ordering order_type = pe_order_optional;
pe_resource_t *lh_rsc = order->lh_rsc;
pe_resource_t *rh_rsc = order->rh_rsc;
pe_action_t *lh_action = order->lh_action;
pe_action_t *rh_action = order->rh_action;
const char *lh_action_task = order->lh_action_task;
const char *rh_action_task = order->rh_action_task;
GList *probes = NULL;
GList *rh_actions = NULL;
GList *pIter = NULL;
if (lh_rsc == NULL) {
continue;
} else if (rh_rsc && lh_rsc == rh_rsc) {
continue;
}
if (lh_action == NULL && lh_action_task == NULL) {
continue;
}
if (rh_action == NULL && rh_action_task == NULL) {
continue;
}
/* Technically probe is expected to return "not running", which could be
* the alternative of stop action if the status of the resource is
* unknown yet.
*/
if (lh_action && !pcmk__str_eq(lh_action->task, RSC_STOP, pcmk__str_casei)) {
continue;
} else if (lh_action == NULL
&& lh_action_task
&& !pcmk__ends_with(lh_action_task, "_" RSC_STOP "_0")) {
continue;
}
/* Do not probe the resource inside of a stopping container. Otherwise
* it might introduce transition loop since probe will be performed
* after the container starts again.
*/
if (rh_rsc && lh_rsc->container == rh_rsc) {
if (rh_action && pcmk__str_eq(rh_action->task, RSC_STOP, pcmk__str_casei)) {
continue;
} else if (rh_action == NULL && rh_action_task
&& pcmk__ends_with(rh_action_task,"_" RSC_STOP "_0")) {
continue;
}
}
if (order->type == pe_order_none) {
continue;
}
// Preserve the order options for future filtering
if (pcmk_is_set(order->type, pe_order_apply_first_non_migratable)) {
pe__set_order_flags(order_type,
pe_order_apply_first_non_migratable);
}
if (pcmk_is_set(order->type, pe_order_same_node)) {
pe__set_order_flags(order_type, pe_order_same_node);
}
// Keep the order types for future filtering
if (order->type == pe_order_anti_colocation
|| order->type == pe_order_load) {
order_type = order->type;
}
probes = pe__resource_actions(lh_rsc, NULL, RSC_STATUS, FALSE);
if (probes == NULL) {
continue;
}
if (rh_action) {
rh_actions = g_list_prepend(rh_actions, rh_action);
} else if (rh_rsc && rh_action_task) {
rh_actions = find_actions(rh_rsc->actions, rh_action_task, NULL);
}
if (rh_actions == NULL) {
g_list_free(probes);
continue;
}
crm_trace("Processing for LH probe based on ordering constraint %s -> %s"
" (id=%d, type=%.6x)",
lh_action ? lh_action->uuid : lh_action_task,
rh_action ? rh_action->uuid : rh_action_task,
order->id, order->type);
for (pIter = probes; pIter != NULL; pIter = pIter->next) {
pe_action_t *probe = (pe_action_t *) pIter->data;
GList *rIter = NULL;
for (rIter = rh_actions; rIter != NULL; rIter = rIter->next) {
pe_action_t *rh_action_iter = (pe_action_t *) rIter->data;
if (order_first_probe_unneeded(probe, rh_action_iter)) {
continue;
}
order_actions(probe, rh_action_iter, order_type);
}
}
g_list_free(rh_actions);
g_list_free(probes);
}
}
static void
order_first_probe_then_restart_repromote(pe_action_t * probe,
pe_action_t * after,
pe_working_set_t * data_set)
{
GList *gIter = NULL;
bool interleave = FALSE;
pe_resource_t *compatible_rsc = NULL;
if (probe == NULL
|| probe->rsc == NULL
|| probe->rsc->variant != pe_native) {
return;
}
if (after == NULL
// Avoid running into any possible loop
|| pcmk_is_set(after->flags, pe_action_tracking)) {
return;
}
if (!pcmk__str_eq(probe->task, RSC_STATUS, pcmk__str_casei)) {
return;
}
pe__set_action_flags(after, pe_action_tracking);
crm_trace("Processing based on %s %s -> %s %s",
probe->uuid,
probe->node ? probe->node->details->uname: "",
after->uuid,
after->node ? after->node->details->uname : "");
if (after->rsc
/* Better not build a dependency directly with a clone/group.
* We are going to proceed through the ordering chain and build
* dependencies with its children.
*/
&& after->rsc->variant == pe_native
&& probe->rsc != after->rsc) {
GList *then_actions = NULL;
enum pe_ordering probe_order_type = pe_order_optional;
if (pcmk__str_eq(after->task, RSC_START, pcmk__str_casei)) {
then_actions = pe__resource_actions(after->rsc, NULL, RSC_STOP, FALSE);
} else if (pcmk__str_eq(after->task, RSC_PROMOTE, pcmk__str_casei)) {
then_actions = pe__resource_actions(after->rsc, NULL, RSC_DEMOTE, FALSE);
}
for (gIter = then_actions; gIter != NULL; gIter = gIter->next) {
pe_action_t *then = (pe_action_t *) gIter->data;
// Skip any pseudo action which for example is implied by fencing
if (pcmk_is_set(then->flags, pe_action_pseudo)) {
continue;
}
order_actions(probe, then, probe_order_type);
}
g_list_free(then_actions);
}
if (after->rsc
&& after->rsc->variant > pe_group) {
const char *interleave_s = g_hash_table_lookup(after->rsc->meta,
XML_RSC_ATTR_INTERLEAVE);
interleave = crm_is_true(interleave_s);
if (interleave) {
/* For an interleaved clone, we should build a dependency only
* with the relevant clone child.
*/
compatible_rsc = find_compatible_child(probe->rsc,
after->rsc,
RSC_ROLE_UNKNOWN,
FALSE, data_set);
}
}
for (gIter = after->actions_after; gIter != NULL; gIter = gIter->next) {
pe_action_wrapper_t *after_wrapper = (pe_action_wrapper_t *) gIter->data;
/* pe_order_implies_then is the reason why a required A.start
* implies/enforces B.start to be required too, which is the cause of
* B.restart/re-promote.
*
* Not sure about pe_order_implies_then_on_node though. It's now only
* used for unfencing case, which tends to introduce transition
* loops...
*/
if (!pcmk_is_set(after_wrapper->type, pe_order_implies_then)) {
/* The order type between a group/clone and its child such as
* B.start-> B_child.start is:
* pe_order_implies_first_printed | pe_order_runnable_left
*
* Proceed through the ordering chain and build dependencies with
* its children.
*/
if (after->rsc == NULL
|| after->rsc->variant < pe_group
|| probe->rsc->parent == after->rsc
|| after_wrapper->action->rsc == NULL
|| after_wrapper->action->rsc->variant > pe_group
|| after->rsc != after_wrapper->action->rsc->parent) {
continue;
}
/* Proceed to the children of a group or a non-interleaved clone.
* For an interleaved clone, proceed only to the relevant child.
*/
if (after->rsc->variant > pe_group
&& interleave == TRUE
&& (compatible_rsc == NULL
|| compatible_rsc != after_wrapper->action->rsc)) {
continue;
}
}
crm_trace("Proceeding through %s %s -> %s %s (type=0x%.6x)",
after->uuid,
after->node ? after->node->details->uname: "",
after_wrapper->action->uuid,
after_wrapper->action->node ? after_wrapper->action->node->details->uname : "",
after_wrapper->type);
order_first_probe_then_restart_repromote(probe, after_wrapper->action, data_set);
}
}
static void clear_actions_tracking_flag(pe_working_set_t * data_set)
{
GList *gIter = NULL;
for (gIter = data_set->actions; gIter != NULL; gIter = gIter->next) {
pe_action_t *action = (pe_action_t *) gIter->data;
if (pcmk_is_set(action->flags, pe_action_tracking)) {
pe__clear_action_flags(action, pe_action_tracking);
}
}
}
static void
order_first_rsc_probes(pe_resource_t * rsc, pe_working_set_t * data_set)
{
GList *gIter = NULL;
GList *probes = NULL;
g_list_foreach(rsc->children, (GFunc) order_first_rsc_probes, data_set);
if (rsc->variant != pe_native) {
return;
}
probes = pe__resource_actions(rsc, NULL, RSC_STATUS, FALSE);
for (gIter = probes; gIter != NULL; gIter= gIter->next) {
pe_action_t *probe = (pe_action_t *) gIter->data;
GList *aIter = NULL;
for (aIter = probe->actions_after; aIter != NULL; aIter = aIter->next) {
pe_action_wrapper_t *after_wrapper = (pe_action_wrapper_t *) aIter->data;
order_first_probe_then_restart_repromote(probe, after_wrapper->action, data_set);
clear_actions_tracking_flag(data_set);
}
}
g_list_free(probes);
}
static void
order_first_probes(pe_working_set_t * data_set)
{
GList *gIter = NULL;
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
order_first_rsc_probes(rsc, data_set);
}
order_first_probes_imply_stops(data_set);
}
static void
order_then_probes(pe_working_set_t * data_set)
{
#if 0
GList *gIter = NULL;
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
/* Given "A then B", we would prefer to wait for A to be
* started before probing B.
*
* If A was a filesystem on which the binaries and data for B
* lived, it would have been useful if the author of B's agent
* could assume that A is running before B.monitor will be
* called.
*
* However we can't _only_ probe once A is running, otherwise
* we'd not detect the state of B if A could not be started
* for some reason.
*
* In practice however, we cannot even do an opportunistic
* version of this because B may be moving:
*
* B.probe -> B.start
* B.probe -> B.stop
* B.stop -> B.start
* A.stop -> A.start
* A.start -> B.probe
*
* So far so good, but if we add the result of this code:
*
* B.stop -> A.stop
*
* Then we get a loop:
*
* B.probe -> B.stop -> A.stop -> A.start -> B.probe
*
* We could kill the 'B.probe -> B.stop' dependency, but that
* could mean stopping B "too" soon, because B.start must wait
* for the probes to complete.
*
* Another option is to allow it only if A is a non-unique
* clone with clone-max == node-max (since we'll never be
* moving it). However, we could still be stopping one
* instance at the same time as starting another.
* The complexity of checking for allowed conditions combined
* with the ever narrowing usecase suggests that this code
* should remain disabled until someone gets smarter.
*/
pe_action_t *start = NULL;
GList *actions = NULL;
GList *probes = NULL;
actions = pe__resource_actions(rsc, NULL, RSC_START, FALSE);
if (actions) {
start = actions->data;
g_list_free(actions);
}
if(start == NULL) {
crm_err("No start action for %s", rsc->id);
continue;
}
probes = pe__resource_actions(rsc, NULL, RSC_STATUS, FALSE);
for (actions = start->actions_before; actions != NULL; actions = actions->next) {
pe_action_wrapper_t *before = (pe_action_wrapper_t *) actions->data;
GList *pIter = NULL;
pe_action_t *first = before->action;
pe_resource_t *first_rsc = first->rsc;
if(first->required_runnable_before) {
GList *clone_actions = NULL;
for (clone_actions = first->actions_before; clone_actions != NULL; clone_actions = clone_actions->next) {
before = (pe_action_wrapper_t *) clone_actions->data;
crm_trace("Testing %s -> %s (%p) for %s", first->uuid, before->action->uuid, before->action->rsc, start->uuid);
CRM_ASSERT(before->action->rsc);
first_rsc = before->action->rsc;
break;
}
} else if(!pcmk__str_eq(first->task, RSC_START, pcmk__str_casei)) {
crm_trace("Not a start op %s for %s", first->uuid, start->uuid);
}
if(first_rsc == NULL) {
continue;
} else if(uber_parent(first_rsc) == uber_parent(start->rsc)) {
crm_trace("Same parent %s for %s", first_rsc->id, start->uuid);
continue;
} else if(FALSE && pe_rsc_is_clone(uber_parent(first_rsc)) == FALSE) {
crm_trace("Not a clone %s for %s", first_rsc->id, start->uuid);
continue;
}
crm_err("Applying %s before %s %d", first->uuid, start->uuid, uber_parent(first_rsc)->variant);
for (pIter = probes; pIter != NULL; pIter = pIter->next) {
pe_action_t *probe = (pe_action_t *) pIter->data;
crm_err("Ordering %s before %s", first->uuid, probe->uuid);
order_actions(first, probe, pe_order_optional);
}
}
}
#endif
}
void
pcmk__order_probes(pe_working_set_t *data_set)
{
order_first_probes(data_set);
order_then_probes(data_set);
}
-
-static int transition_id = -1;
-
-/*!
- * \internal
- * \brief Log a message after calculating a transition
- *
- * \param[in] filename Where transition input is stored
- */
-void
-pcmk__log_transition_summary(const char *filename)
-{
- if (was_processing_error) {
- crm_err("Calculated transition %d (with errors)%s%s",
- transition_id,
- (filename == NULL)? "" : ", saving inputs in ",
- (filename == NULL)? "" : filename);
-
- } else if (was_processing_warning) {
- crm_warn("Calculated transition %d (with warnings)%s%s",
- transition_id,
- (filename == NULL)? "" : ", saving inputs in ",
- (filename == NULL)? "" : filename);
-
- } else {
- crm_notice("Calculated transition %d%s%s",
- transition_id,
- (filename == NULL)? "" : ", saving inputs in ",
- (filename == NULL)? "" : filename);
- }
- if (crm_config_error) {
- crm_notice("Configuration errors found during scheduler processing,"
- " please run \"crm_verify -L\" to identify issues");
- }
-}
-
-/*
- * Create a dependency graph to send to the transitioner (via the controller)
- */
-gboolean
-stage8(pe_working_set_t * data_set)
-{
- GList *gIter = NULL;
- const char *value = NULL;
- long long limit = 0LL;
-
- transition_id++;
- crm_trace("Creating transition graph %d.", transition_id);
-
- data_set->graph = create_xml_node(NULL, XML_TAG_GRAPH);
-
- value = pe_pref(data_set->config_hash, "cluster-delay");
- crm_xml_add(data_set->graph, "cluster-delay", value);
-
- value = pe_pref(data_set->config_hash, "stonith-timeout");
- crm_xml_add(data_set->graph, "stonith-timeout", value);
-
- crm_xml_add(data_set->graph, "failed-stop-offset", "INFINITY");
-
- if (pcmk_is_set(data_set->flags, pe_flag_start_failure_fatal)) {
- crm_xml_add(data_set->graph, "failed-start-offset", "INFINITY");
- } else {
- crm_xml_add(data_set->graph, "failed-start-offset", "1");
- }
-
- value = pe_pref(data_set->config_hash, "batch-limit");
- crm_xml_add(data_set->graph, "batch-limit", value);
-
- crm_xml_add_int(data_set->graph, "transition_id", transition_id);
-
- value = pe_pref(data_set->config_hash, "migration-limit");
- if ((pcmk__scan_ll(value, &limit, 0LL) == pcmk_rc_ok) && (limit > 0)) {
- crm_xml_add(data_set->graph, "migration-limit", value);
- }
-
- if (data_set->recheck_by > 0) {
- char *recheck_epoch = NULL;
-
- recheck_epoch = crm_strdup_printf("%llu",
- (long long) data_set->recheck_by);
- crm_xml_add(data_set->graph, "recheck-by", recheck_epoch);
- free(recheck_epoch);
- }
-
- /* The following code will de-duplicate action inputs, so nothing past this
- * should rely on the action input type flags retaining their original
- * values.
- */
-
- gIter = data_set->resources;
- for (; gIter != NULL; gIter = gIter->next) {
- pe_resource_t *rsc = (pe_resource_t *) gIter->data;
-
- pe_rsc_trace(rsc, "processing actions for rsc=%s", rsc->id);
- rsc->cmds->expand(rsc, data_set);
- }
-
- crm_log_xml_trace(data_set->graph, "created resource-driven action list");
-
- /* pseudo action to distribute list of nodes with maintenance state update */
- add_maintenance_update(data_set);
-
- /* catch any non-resource specific actions */
- crm_trace("processing non-resource actions");
-
- gIter = data_set->actions;
- for (; gIter != NULL; gIter = gIter->next) {
- pe_action_t *action = (pe_action_t *) gIter->data;
-
- if (action->rsc
- && action->node
- && action->node->details->shutdown
- && !pcmk_is_set(action->rsc->flags, pe_rsc_maintenance)
- && !pcmk_any_flags_set(action->flags,
- pe_action_optional|pe_action_runnable)
- && pcmk__str_eq(action->task, RSC_STOP, pcmk__str_none)
- ) {
- /* Eventually we should just ignore the 'fence' case
- * But for now it's the best way to detect (in CTS) when
- * CIB resource updates are being lost
- */
- if (pcmk_is_set(data_set->flags, pe_flag_have_quorum)
- || data_set->no_quorum_policy == no_quorum_ignore) {
- crm_crit("Cannot %s node '%s' because of %s:%s%s (%s)",
- action->node->details->unclean ? "fence" : "shut down",
- action->node->details->uname, action->rsc->id,
- pcmk_is_set(action->rsc->flags, pe_rsc_managed)? " blocked" : " unmanaged",
- pcmk_is_set(action->rsc->flags, pe_rsc_failed)? " failed" : "",
- action->uuid);
- }
- }
-
- graph_element_from_action(action, data_set);
- }
-
- crm_log_xml_trace(data_set->graph, "created generic action list");
- crm_trace("Created transition graph %d.", transition_id);
-
- return TRUE;
-}