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	diff --git a/lib/pacemaker/libpacemaker_private.h b/lib/pacemaker/libpacemaker_private.h
	index 777a21613c..849640fe17 100644
	--- a/lib/pacemaker/libpacemaker_private.h
	+++ b/lib/pacemaker/libpacemaker_private.h
	@@ -1,296 +1,300 @@
	/*
	* Copyright 2021 the Pacemaker project contributors
	*
	* The version control history for this file may have further details.
	*
	* This source code is licensed under the GNU Lesser General Public License
	* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
	*/

	#ifndef PCMK__LIBPACEMAKER_PRIVATE__H
	# define PCMK__LIBPACEMAKER_PRIVATE__H

	/* This header is for the sole use of libpacemaker, so that functions can be
	* declared with G_GNUC_INTERNAL for efficiency.
	*/

	#include <crm/pengine/pe_types.h> // pe_action_t, pe_node_t, pe_working_set_t

	// Actions

	G_GNUC_INTERNAL
	void pcmk__update_action_for_orderings(pe_action_t *action,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__log_action(const char pre_text, pe_action_t action, bool details);

	G_GNUC_INTERNAL
	pe_action_t pcmk__new_rsc_pseudo_action(pe_resource_t rsc, const char *task,
	bool optional, bool runnable);

	G_GNUC_INTERNAL
	pe_action_t pcmk__new_cancel_action(pe_resource_t rsc, const char *name,
	guint interval_ms, pe_node_t *node);

	G_GNUC_INTERNAL
	pe_action_t pcmk__new_shutdown_action(pe_node_t node,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	bool pcmk__action_locks_rsc_to_node(const pe_action_t *action);

	G_GNUC_INTERNAL
	void pcmk__deduplicate_action_inputs(pe_action_t *action);

	G_GNUC_INTERNAL
	void pcmk__output_actions(pe_working_set_t *data_set);


	// Producing transition graphs (pcmk_graph_producer.c)

	G_GNUC_INTERNAL
	bool pcmk__graph_has_loop(pe_action_t init_action, pe_action_t action,
	pe_action_wrapper_t *input);

	G_GNUC_INTERNAL
	void pcmk__add_action_to_graph(pe_action_t action, pe_working_set_t data_set);

	G_GNUC_INTERNAL
	void pcmk__create_graph(pe_working_set_t *data_set);


	// Fencing (pcmk_sched_fencing.c)

	G_GNUC_INTERNAL
	void pcmk__order_vs_fence(pe_action_t stonith_op, pe_working_set_t data_set);

	G_GNUC_INTERNAL
	void pcmk__order_vs_unfence(pe_resource_t rsc, pe_node_t node,
	pe_action_t *action, enum pe_ordering order,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__fence_guest(pe_node_t node, pe_working_set_t data_set);

	G_GNUC_INTERNAL
	bool pcmk__node_unfenced(pe_node_t *node);

	G_GNUC_INTERNAL
	bool pcmk__is_unfence_device(const pe_resource_t *rsc,
	const pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	pe_resource_t pcmk__find_constraint_resource(GList rsc_list, const char *id);

	G_GNUC_INTERNAL
	xmlNode pcmk__expand_tags_in_sets(xmlNode xml_obj,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	bool pcmk__valid_resource_or_tag(pe_working_set_t data_set, const char id,
	pe_resource_t rsc, pe_tag_t tag);

	G_GNUC_INTERNAL
	bool pcmk__tag_to_set(xmlNode xml_obj, xmlNode rsc_set, const char attr,
	bool convert_rsc, pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__create_internal_constraints(pe_working_set_t *data_set);


	// Location constraints

	G_GNUC_INTERNAL
	void pcmk__unpack_location(xmlNode xml_obj, pe_working_set_t data_set);

	G_GNUC_INTERNAL
	pe__location_t pcmk__new_location(const char id, pe_resource_t *rsc,
	int node_weight, const char *discover_mode,
	pe_node_t *foo_node,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__apply_locations(pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__apply_location(pe__location_t constraint, pe_resource_t rsc);


	// Colocation constraints

	enum pcmk__coloc_affects {
	pcmk__coloc_affects_nothing = 0,
	pcmk__coloc_affects_location,
	pcmk__coloc_affects_role,
	};

	G_GNUC_INTERNAL
	enum pcmk__coloc_affects pcmk__colocation_affects(pe_resource_t *dependent,
	pe_resource_t *primary,
	pcmk__colocation_t *constraint,
	bool preview);

	G_GNUC_INTERNAL
	void pcmk__apply_coloc_to_weights(pe_resource_t *dependent,
	pe_resource_t *primary,
	pcmk__colocation_t *constraint);

	G_GNUC_INTERNAL
	void pcmk__apply_coloc_to_priority(pe_resource_t *dependent,
	pe_resource_t *primary,
	pcmk__colocation_t *constraint);

	G_GNUC_INTERNAL
	void pcmk__unpack_colocation(xmlNode xml_obj, pe_working_set_t data_set);

	G_GNUC_INTERNAL
	void pcmk__new_colocation(const char id, const char node_attr, int score,
	pe_resource_t dependent, pe_resource_t primary,
	const char dependent_role, const char primary_role,
	bool influence, pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__block_colocated_starts(pe_action_t *action,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__new_ordering(pe_resource_t lh_rsc, char lh_task,
	pe_action_t lh_action, pe_resource_t rh_rsc,
	char rh_task, pe_action_t rh_action,
	enum pe_ordering type, pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__unpack_ordering(xmlNode xml_obj, pe_working_set_t data_set);

	G_GNUC_INTERNAL
	void pcmk__disable_invalid_orderings(pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__order_stops_before_shutdown(pe_node_t *node,
	pe_action_t *shutdown_op,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__apply_orderings(pe_working_set_t *data_set);

	/*!
	* \internal
	* \brief Create a new ordering between two resource actions
	*
	* \param[in] lh_rsc Resource for 'first' action
	* \param[in] rh_rsc Resource for 'then' action
	* \param[in] lh_task Action key for 'first' action
	* \param[in] rh_task Action key for 'then' action
	* \param[in] flags Bitmask of enum pe_ordering flags
	* \param[in] data_set Cluster working set to add ordering to
	*/
	#define pcmk__order_resource_actions(lh_rsc, lh_task, rh_rsc, rh_task, \
	flags, data_set) \
	pcmk__new_ordering((lh_rsc), pcmk__op_key((lh_rsc)->id, (lh_task), 0), \
	NULL, \
	(rh_rsc), pcmk__op_key((rh_rsc)->id, (rh_task), 0), \
	NULL, (flags), (data_set))

	#define pcmk__order_starts(rsc1, rsc2, type, data_set) \
	pcmk__order_resource_actions((rsc1), CRMD_ACTION_START, \
	(rsc2), CRMD_ACTION_START, (type), (data_set))

	#define pcmk__order_stops(rsc1, rsc2, type, data_set) \
	pcmk__order_resource_actions((rsc1), CRMD_ACTION_STOP, \
	(rsc2), CRMD_ACTION_STOP, (type), (data_set))

	G_GNUC_INTERNAL
	void pcmk__unpack_rsc_ticket(xmlNode xml_obj, pe_working_set_t data_set);

	G_GNUC_INTERNAL
	bool pcmk__is_failed_remote_node(pe_node_t *node);

	G_GNUC_INTERNAL
	void pcmk__order_remote_connection_actions(pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	bool pcmk__rsc_corresponds_to_guest(pe_resource_t rsc, pe_node_t node);

	G_GNUC_INTERNAL
	pe_node_t pcmk__connection_host_for_action(pe_action_t action);

	G_GNUC_INTERNAL
	void pcmk__substitute_remote_addr(pe_resource_t rsc, GHashTable params,
	pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__add_bundle_meta_to_xml(xmlNode args_xml, pe_action_t action);


	// Groups (pcmk_sched_group.c)

	G_GNUC_INTERNAL
	GList pcmk__group_colocated_resources(pe_resource_t rsc,
	pe_resource_t *orig_rsc,
	GList *colocated_rscs);


	// Bundles (pcmk_sched_bundle.c)

	G_GNUC_INTERNAL
	void pcmk__output_bundle_actions(pe_resource_t *rsc);


	// Injections (pcmk_sched_transition.c)

	G_GNUC_INTERNAL
	xmlNode pcmk__inject_node(cib_t cib_conn, const char node, const char uuid);

	+G_GNUC_INTERNAL
	+xmlNode pcmk__inject_node_state_change(cib_t cib_conn, const char *node,
	+ bool up);
	+
	G_GNUC_INTERNAL
	xmlNode pcmk__inject_resource_history(pcmk__output_t out, xmlNode *cib_node,
	const char *resource,
	const char *lrm_name,
	const char *rclass,
	const char *rtype,
	const char *rprovider);

	G_GNUC_INTERNAL
	void pcmk__inject_failcount(pcmk__output_t out, xmlNode cib_node,
	const char resource, const char task,
	guint interval_ms, int rc);

	G_GNUC_INTERNAL
	xmlNode pcmk__inject_action_result(xmlNode cib_resource,
	lrmd_event_data_t *op, int target_rc);


	// Functions applying to more than one variant (pcmk_sched_resource.c)

	G_GNUC_INTERNAL
	GList pcmk__colocated_resources(pe_resource_t rsc, pe_resource_t *orig_rsc,
	GList *colocated_rscs);

	G_GNUC_INTERNAL
	void pcmk__output_resource_actions(pe_resource_t *rsc);

	G_GNUC_INTERNAL
	bool pcmk__assign_primitive(pe_resource_t rsc, pe_node_t chosen, bool force);

	G_GNUC_INTERNAL
	bool pcmk__assign_resource(pe_resource_t rsc, pe_node_t node, bool force);

	G_GNUC_INTERNAL
	void pcmk__unassign_resource(pe_resource_t *rsc);

	G_GNUC_INTERNAL
	bool pcmk__threshold_reached(pe_resource_t rsc, pe_node_t node,
	pe_working_set_t *data_set,
	pe_resource_t **failed);


	// Functions related to probes (pcmk_sched_probes.c)

	G_GNUC_INTERNAL
	void pcmk__order_probes(pe_working_set_t *data_set);

	G_GNUC_INTERNAL
	void pcmk__schedule_probes(pe_working_set_t *data_set);


	#endif // PCMK__LIBPACEMAKER_PRIVATE__H
	diff --git a/lib/pacemaker/pcmk_sched_transition.c b/lib/pacemaker/pcmk_sched_transition.c
	index a443c034f1..9e990710a6 100644
	--- a/lib/pacemaker/pcmk_sched_transition.c
	+++ b/lib/pacemaker/pcmk_sched_transition.c
	@@ -1,918 +1,931 @@
	/*
	* Copyright 2009-2021 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 <stdio.h>
	#include <unistd.h>
	#include <stdlib.h>

	#include <sys/stat.h>
	#include <sys/param.h>
	#include <sys/types.h>
	#include <dirent.h>

	#include <crm/crm.h>
	#include <crm/lrmd.h> // lrmd_event_data_t, lrmd_free_event()
	#include <crm/cib.h>
	#include <crm/common/util.h>
	#include <crm/common/iso8601.h>
	#include <crm/common/xml_internal.h>
	#include <crm/lrmd_internal.h>
	#include <crm/pengine/status.h>
	#include <pacemaker-internal.h>

	#include "libpacemaker_private.h"

	static pcmk__output_t *out = NULL;
	static cib_t *fake_cib = NULL;
	static GList *fake_resource_list = NULL;
	static GList *fake_op_fail_list = NULL;
	gboolean bringing_nodes_online = FALSE;

	#define STATUS_PATH_MAX 512

	#define NEW_NODE_TEMPLATE "//"XML_CIB_TAG_NODE"[@uname='%s']"
	#define NODE_TEMPLATE "//"XML_CIB_TAG_STATE"[@uname='%s']"
	#define RSC_TEMPLATE "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']"


	static void
	inject_transient_attr(pcmk__output_t out, xmlNode cib_node,
	const char name, const char value)
	{
	xmlNode *attrs = NULL;
	xmlNode *instance_attrs = NULL;
	const char *node_uuid = ID(cib_node);

	out->message(out, "inject-attr", name, value, cib_node);

	attrs = first_named_child(cib_node, XML_TAG_TRANSIENT_NODEATTRS);
	if (attrs == NULL) {
	attrs = create_xml_node(cib_node, XML_TAG_TRANSIENT_NODEATTRS);
	crm_xml_add(attrs, XML_ATTR_ID, node_uuid);
	}

	instance_attrs = first_named_child(attrs, XML_TAG_ATTR_SETS);
	if (instance_attrs == NULL) {
	instance_attrs = create_xml_node(attrs, XML_TAG_ATTR_SETS);
	crm_xml_add(instance_attrs, XML_ATTR_ID, node_uuid);
	}

	crm_create_nvpair_xml(instance_attrs, NULL, name, value);
	}

	/*!
	* \internal
	* \brief Inject a fictitious fail count into a scheduler input
	*
	* \param[in] out Output object for displaying error messages
	* \param[in] cib_node Node state XML to inject into
	* \param[in] resource ID of resource for fail count to inject
	* \param[in] task Action name for fail count to inject
	* \param[in] interval_ms Action interval (in milliseconds) for fail count
	* \param[in] rc Action result for fail count to inject (if 0, or 7
	* when interval_ms is 0, nothing will be injected)
	*/
	void
	pcmk__inject_failcount(pcmk__output_t out, xmlNode cib_node,
	const char resource, const char task,
	guint interval_ms, int rc)
	{
	if (rc == 0) {
	return;

	} else if ((rc == 7) && (interval_ms == 0)) {
	return;

	} else {
	char *name = NULL;
	char *now = pcmk__ttoa(time(NULL));

	name = pcmk__failcount_name(resource, task, interval_ms);
	inject_transient_attr(out, cib_node, name, "value++");
	free(name);

	name = pcmk__lastfailure_name(resource, task, interval_ms);
	inject_transient_attr(out, cib_node, name, now);
	free(name);

	free(now);
	}
	}

	static void
	create_node_entry(cib_t * cib_conn, const char *node)
	{
	int rc = pcmk_ok;
	char *xpath = crm_strdup_printf(NEW_NODE_TEMPLATE, node);

	rc = cib_conn->cmds->query(cib_conn, xpath, NULL, cib_xpath \| cib_sync_call \| cib_scope_local);

	if (rc == -ENXIO) {
	xmlNode *cib_object = create_xml_node(NULL, XML_CIB_TAG_NODE);

	crm_xml_add(cib_object, XML_ATTR_ID, node); // Use node name as ID
	crm_xml_add(cib_object, XML_ATTR_UNAME, node);
	cib_conn->cmds->create(cib_conn, XML_CIB_TAG_NODES, cib_object,
	cib_sync_call \| cib_scope_local);
	/* Not bothering with subsequent query to see if it exists,
	we'll bomb out later in the call to query_node_uuid()... */

	free_xml(cib_object);
	}

	free(xpath);
	}

	static lrmd_event_data_t *
	create_op(xmlNode cib_resource, const char task, guint interval_ms,
	int outcome)
	{
	lrmd_event_data_t *op = NULL;
	xmlNode *xop = NULL;

	op = lrmd_new_event(ID(cib_resource), task, interval_ms);
	lrmd__set_result(op, outcome, PCMK_EXEC_DONE, "Simulated action result");
	op->params = NULL; /* TODO: Fill me in */
	op->t_run = (unsigned int) time(NULL);
	op->t_rcchange = op->t_run;

	op->call_id = 0;
	for (xop = pcmk__xe_first_child(cib_resource); xop != NULL;
	xop = pcmk__xe_next(xop)) {

	int tmp = 0;

	crm_element_value_int(xop, XML_LRM_ATTR_CALLID, &tmp);
	if (tmp > op->call_id) {
	op->call_id = tmp;
	}
	}
	op->call_id++;

	return op;
	}

	/*!
	* \internal
	* \brief Inject a fictitious resource history entry into a scheduler input
	*
	* \param[in] cib_resource Resource history XML to inject entry into
	* \param[in] op Action result to inject
	* \param[in] target_rc Expected result for action to inject
	*
	* \return XML of injected resource history entry
	*/
	xmlNode *
	pcmk__inject_action_result(xmlNode cib_resource, lrmd_event_data_t op,
	int target_rc)
	{
	return pcmk__create_history_xml(cib_resource, op, CRM_FEATURE_SET,
	target_rc, NULL, crm_system_name,
	LOG_TRACE);
	}

	/*!
	* \internal
	* \brief Inject a fictitious node into a scheduler input
	*
	* \param[in] cib_conn Scheduler input CIB to inject node into
	* \param[in] node Name of node to inject
	* \param[in] uuid UUID of node to inject
	*
	* \return XML of node_state entry for new node
	* \note If the global bringing_nodes_online has been set to true, a node entry
	* in the configuration section will be added, as well as a node state
	* entry in the status section.
	*/
	xmlNode *
	pcmk__inject_node(cib_t cib_conn, const char node, const char *uuid)
	{
	int rc = pcmk_ok;
	xmlNode *cib_object = NULL;
	char *xpath = crm_strdup_printf(NODE_TEMPLATE, node);

	if (bringing_nodes_online) {
	create_node_entry(cib_conn, node);
	}

	rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object,
	cib_xpath \| cib_sync_call \| cib_scope_local);

	if ((cib_object != NULL) && (ID(cib_object) == NULL)) {
	crm_err("Detected multiple node_state entries for xpath=%s, bailing",
	xpath);
	crm_log_xml_warn(cib_object, "Duplicates");
	free(xpath);
	crm_exit(CRM_EX_SOFTWARE);
	return NULL; // not reached, but makes static analysis happy
	}

	if (rc == -ENXIO) {
	char *found_uuid = NULL;

	if (uuid == NULL) {
	query_node_uuid(cib_conn, node, &found_uuid, NULL);
	} else {
	found_uuid = strdup(uuid);
	}

	cib_object = create_xml_node(NULL, XML_CIB_TAG_STATE);
	crm_xml_add(cib_object, XML_ATTR_UUID, found_uuid);
	crm_xml_add(cib_object, XML_ATTR_UNAME, node);
	cib_conn->cmds->create(cib_conn, XML_CIB_TAG_STATUS, cib_object,
	cib_sync_call \| cib_scope_local);
	free_xml(cib_object);
	free(found_uuid);

	rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object,
	cib_xpath \| cib_sync_call \| cib_scope_local);
	crm_trace("Injecting node state for %s (rc=%d)", node, rc);
	}

	free(xpath);
	CRM_ASSERT(rc == pcmk_ok);
	return cib_object;
	}

	-static xmlNode *
	-modify_node(cib_t * cib_conn, char *node, gboolean up)
	+/*!
	+ * \internal
	+ * \brief Inject a fictitious node state change into a scheduler input
	+ *
	+ * \param[in] cib_conn Scheduler input CIB to inject into
	+ * \param[in] node Name of node to inject change for
	+ * \param[in] up If true, change state to online, otherwise offline
	+ *
	+ * \return XML of changed (or added) node state entry
	+ */
	+xmlNode *
	+pcmk__inject_node_state_change(cib_t cib_conn, const char node, bool up)
	{
	xmlNode *cib_node = pcmk__inject_node(cib_conn, node, NULL);

	if (up) {
	- crm_xml_add(cib_node, XML_NODE_IN_CLUSTER, XML_BOOLEAN_YES);
	- crm_xml_add(cib_node, XML_NODE_IS_PEER, ONLINESTATUS);
	- crm_xml_add(cib_node, XML_NODE_JOIN_STATE, CRMD_JOINSTATE_MEMBER);
	- crm_xml_add(cib_node, XML_NODE_EXPECTED, CRMD_JOINSTATE_MEMBER);
	-
	+ pcmk__xe_set_props(cib_node,
	+ XML_NODE_IN_CLUSTER, XML_BOOLEAN_YES,
	+ XML_NODE_IS_PEER, ONLINESTATUS,
	+ XML_NODE_JOIN_STATE, CRMD_JOINSTATE_MEMBER,
	+ XML_NODE_EXPECTED, CRMD_JOINSTATE_MEMBER,
	+ NULL);
	} else {
	- crm_xml_add(cib_node, XML_NODE_IN_CLUSTER, XML_BOOLEAN_NO);
	- crm_xml_add(cib_node, XML_NODE_IS_PEER, OFFLINESTATUS);
	- crm_xml_add(cib_node, XML_NODE_JOIN_STATE, CRMD_JOINSTATE_DOWN);
	- crm_xml_add(cib_node, XML_NODE_EXPECTED, CRMD_JOINSTATE_DOWN);
	+ pcmk__xe_set_props(cib_node,
	+ XML_NODE_IN_CLUSTER, XML_BOOLEAN_NO,
	+ XML_NODE_IS_PEER, OFFLINESTATUS,
	+ XML_NODE_JOIN_STATE, CRMD_JOINSTATE_DOWN,
	+ XML_NODE_EXPECTED, CRMD_JOINSTATE_DOWN,
	+ NULL);
	}
	-
	crm_xml_add(cib_node, XML_ATTR_ORIGIN, crm_system_name);
	return cib_node;
	}

	static xmlNode *
	find_resource_xml(xmlNode * cib_node, const char *resource)
	{
	xmlNode *match = NULL;
	const char *node = crm_element_value(cib_node, XML_ATTR_UNAME);
	char *xpath = crm_strdup_printf(RSC_TEMPLATE, node, resource);

	match = get_xpath_object(xpath, cib_node, LOG_TRACE);
	free(xpath);
	return match;
	}

	/*!
	* \internal
	* \brief Inject a resource history element into a scheduler input
	*
	* \param[in] out Output object for displaying error messages
	* \param[in] cib_node Node state XML to inject resource history entry into
	* \param[in] resource ID (in configuration) of resource to inject
	* \param[in] lrm_name ID of resource as used in history (e.g. clone instance)
	* \param[in] rclass Resource agent class of resource to inject
	* \param[in] rtype Resource agent type of resource to inject
	* \param[in] rprovider Resource agent provider of resource to inject
	*
	* \return XML of injected resource history element
	* \note If a history element already exists under either \p resource or
	* \p lrm_name, this will return it rather than injecting a new one.
	*/
	xmlNode *
	pcmk__inject_resource_history(pcmk__output_t out, xmlNode cib_node,
	const char resource, const char lrm_name,
	const char rclass, const char rtype,
	const char *rprovider)
	{
	xmlNode *lrm = NULL;
	xmlNode *container = NULL;
	xmlNode *cib_resource = NULL;

	cib_resource = find_resource_xml(cib_node, resource);
	if (cib_resource != NULL) {
	/* If an existing LRM history entry uses the resource name,
	* continue using it, even if lrm_name is different.
	*/
	return cib_resource;
	}

	// Check for history entry under preferred name
	if (strcmp(resource, lrm_name) != 0) {
	cib_resource = find_resource_xml(cib_node, lrm_name);
	if (cib_resource != NULL) {
	return cib_resource;
	}
	}

	if ((rclass == NULL) \|\| (rtype == NULL)) {
	// @TODO query configuration for class, provider, type
	out->err(out, "Resource %s not found in the status section of %s."
	" Please supply the class and type to continue", resource, ID(cib_node));
	return NULL;

	} else if (!pcmk__strcase_any_of(rclass,
	PCMK_RESOURCE_CLASS_OCF,
	PCMK_RESOURCE_CLASS_STONITH,
	PCMK_RESOURCE_CLASS_SERVICE,
	PCMK_RESOURCE_CLASS_UPSTART,
	PCMK_RESOURCE_CLASS_SYSTEMD,
	PCMK_RESOURCE_CLASS_LSB, NULL)) {
	out->err(out, "Invalid class for %s: %s", resource, rclass);
	return NULL;

	} else if (pcmk_is_set(pcmk_get_ra_caps(rclass), pcmk_ra_cap_provider)
	&& (rprovider == NULL)) {
	// @TODO query configuration for provider
	out->err(out, "Please specify the provider for resource %s", resource);
	return NULL;
	}

	crm_info("Injecting new resource %s into node state '%s'",
	lrm_name, ID(cib_node));

	lrm = first_named_child(cib_node, XML_CIB_TAG_LRM);
	if (lrm == NULL) {
	const char *node_uuid = ID(cib_node);

	lrm = create_xml_node(cib_node, XML_CIB_TAG_LRM);
	crm_xml_add(lrm, XML_ATTR_ID, node_uuid);
	}

	container = first_named_child(lrm, XML_LRM_TAG_RESOURCES);
	if (container == NULL) {
	container = create_xml_node(lrm, XML_LRM_TAG_RESOURCES);
	}

	cib_resource = create_xml_node(container, XML_LRM_TAG_RESOURCE);

	// If we're creating a new entry, use the preferred name
	crm_xml_add(cib_resource, XML_ATTR_ID, lrm_name);

	crm_xml_add(cib_resource, XML_AGENT_ATTR_CLASS, rclass);
	crm_xml_add(cib_resource, XML_AGENT_ATTR_PROVIDER, rprovider);
	crm_xml_add(cib_resource, XML_ATTR_TYPE, rtype);

	return cib_resource;
	}

	#define XPATH_MAX 1024

	static int
	find_ticket_state(pcmk__output_t out, cib_t the_cib, const char *ticket_id,
	xmlNode **ticket_state_xml)
	{
	int offset = 0;
	int rc = pcmk_ok;
	xmlNode *xml_search = NULL;

	char *xpath_string = NULL;

	CRM_ASSERT(ticket_state_xml != NULL);
	*ticket_state_xml = NULL;

	xpath_string = calloc(1, XPATH_MAX);
	offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "%s", "/cib/status/tickets");

	if (ticket_id) {
	offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "/%s[@id=\"%s\"]",
	XML_CIB_TAG_TICKET_STATE, ticket_id);
	}
	CRM_LOG_ASSERT(offset > 0);
	rc = the_cib->cmds->query(the_cib, xpath_string, &xml_search,
	cib_sync_call \| cib_scope_local \| cib_xpath);

	if (rc != pcmk_ok) {
	goto bail;
	}

	crm_log_xml_debug(xml_search, "Match");
	if (xml_has_children(xml_search)) {
	if (ticket_id) {
	out->err(out, "Multiple ticket_states match ticket_id=%s", ticket_id);
	}
	*ticket_state_xml = xml_search;
	} else {
	*ticket_state_xml = xml_search;
	}

	bail:
	free(xpath_string);
	return rc;
	}

	static int
	set_ticket_state_attr(pcmk__output_t out, const char ticket_id,
	const char attr_name, const char attr_value,
	cib_t *cib, int cib_options)
	{
	int rc = pcmk_ok;
	xmlNode *xml_top = NULL;
	xmlNode *ticket_state_xml = NULL;

	rc = find_ticket_state(out, cib, ticket_id, &ticket_state_xml);
	if (rc == pcmk_ok) {
	crm_debug("Found a match state for ticket: id=%s", ticket_id);
	xml_top = ticket_state_xml;

	} else if (rc != -ENXIO) {
	return rc;

	} else {
	xmlNode *xml_obj = NULL;

	xml_top = create_xml_node(NULL, XML_CIB_TAG_STATUS);
	xml_obj = create_xml_node(xml_top, XML_CIB_TAG_TICKETS);
	ticket_state_xml = create_xml_node(xml_obj, XML_CIB_TAG_TICKET_STATE);
	crm_xml_add(ticket_state_xml, XML_ATTR_ID, ticket_id);
	}

	crm_xml_add(ticket_state_xml, attr_name, attr_value);

	crm_log_xml_debug(xml_top, "Update");

	rc = cib->cmds->modify(cib, XML_CIB_TAG_STATUS, xml_top, cib_options);

	free_xml(xml_top);

	return rc;
	}

	void
	modify_configuration(pe_working_set_t * data_set, cib_t cib, pcmk_injections_t injections)
	{
	int rc = pcmk_ok;
	GList *gIter = NULL;

	xmlNode *cib_op = NULL;
	xmlNode *cib_node = NULL;
	xmlNode *cib_resource = NULL;

	lrmd_event_data_t *op = NULL;

	pcmk__output_t *out = data_set->priv;

	out->message(out, "inject-modify-config", injections->quorum, injections->watchdog);

	if (injections->quorum) {
	xmlNode *top = create_xml_node(NULL, XML_TAG_CIB);

	/* crm_xml_add(top, XML_ATTR_DC_UUID, dc_uuid); */
	crm_xml_add(top, XML_ATTR_HAVE_QUORUM, injections->quorum);

	rc = cib->cmds->modify(cib, NULL, top, cib_sync_call \| cib_scope_local);
	CRM_ASSERT(rc == pcmk_ok);
	}

	if (injections->watchdog) {
	rc = update_attr_delegate(cib, cib_sync_call \| cib_scope_local,
	XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL,
	XML_ATTR_HAVE_WATCHDOG, injections->watchdog, FALSE, NULL, NULL);

	CRM_ASSERT(rc == pcmk_ok);
	}

	for (gIter = injections->node_up; gIter != NULL; gIter = gIter->next) {
	char node = (char )gIter->data;

	out->message(out, "inject-modify-node", "Online", node);

	- cib_node = modify_node(cib, node, TRUE);
	+ cib_node = pcmk__inject_node_state_change(cib, node, true);
	CRM_ASSERT(cib_node != NULL);

	rc = cib->cmds->modify(cib, XML_CIB_TAG_STATUS, cib_node,
	cib_sync_call \| cib_scope_local);
	CRM_ASSERT(rc == pcmk_ok);
	free_xml(cib_node);
	}

	for (gIter = injections->node_down; gIter != NULL; gIter = gIter->next) {
	char xpath[STATUS_PATH_MAX];
	char node = (char )gIter->data;

	out->message(out, "inject-modify-node", "Offline", node);

	- cib_node = modify_node(cib, node, FALSE);
	+ cib_node = pcmk__inject_node_state_change(cib, node, false);
	CRM_ASSERT(cib_node != NULL);

	rc = cib->cmds->modify(cib, XML_CIB_TAG_STATUS, cib_node,
	cib_sync_call \| cib_scope_local);
	CRM_ASSERT(rc == pcmk_ok);
	free_xml(cib_node);

	snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", node, XML_CIB_TAG_LRM);
	cib->cmds->remove(cib, xpath, NULL,
	cib_xpath \| cib_sync_call \| cib_scope_local);

	snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", node,
	XML_TAG_TRANSIENT_NODEATTRS);
	cib->cmds->remove(cib, xpath, NULL,
	cib_xpath \| cib_sync_call \| cib_scope_local);

	}

	for (gIter = injections->node_fail; gIter != NULL; gIter = gIter->next) {
	char node = (char )gIter->data;

	out->message(out, "inject-modify-node", "Failing", node);

	- cib_node = modify_node(cib, node, TRUE);
	+ cib_node = pcmk__inject_node_state_change(cib, node, true);
	crm_xml_add(cib_node, XML_NODE_IN_CLUSTER, XML_BOOLEAN_NO);
	CRM_ASSERT(cib_node != NULL);

	rc = cib->cmds->modify(cib, XML_CIB_TAG_STATUS, cib_node,
	cib_sync_call \| cib_scope_local);
	CRM_ASSERT(rc == pcmk_ok);
	free_xml(cib_node);
	}

	for (gIter = injections->ticket_grant; gIter != NULL; gIter = gIter->next) {
	char ticket_id = (char )gIter->data;

	out->message(out, "inject-modify-ticket", "Granting", ticket_id);

	rc = set_ticket_state_attr(out, ticket_id, "granted", "true",
	cib, cib_sync_call \| cib_scope_local);

	CRM_ASSERT(rc == pcmk_ok);
	}

	for (gIter = injections->ticket_revoke; gIter != NULL; gIter = gIter->next) {
	char ticket_id = (char )gIter->data;

	out->message(out, "inject-modify-ticket", "Revoking", ticket_id);

	rc = set_ticket_state_attr(out, ticket_id, "granted", "false",
	cib, cib_sync_call \| cib_scope_local);

	CRM_ASSERT(rc == pcmk_ok);
	}

	for (gIter = injections->ticket_standby; gIter != NULL; gIter = gIter->next) {
	char ticket_id = (char )gIter->data;

	out->message(out, "inject-modify-ticket", "Standby", ticket_id);

	rc = set_ticket_state_attr(out, ticket_id, "standby", "true",
	cib, cib_sync_call \| cib_scope_local);

	CRM_ASSERT(rc == pcmk_ok);
	}

	for (gIter = injections->ticket_activate; gIter != NULL; gIter = gIter->next) {
	char ticket_id = (char )gIter->data;

	out->message(out, "inject-modify-ticket", "Activating", ticket_id);

	rc = set_ticket_state_attr(out, ticket_id, "standby", "false",
	cib, cib_sync_call \| cib_scope_local);

	CRM_ASSERT(rc == pcmk_ok);
	}

	for (gIter = injections->op_inject; gIter != NULL; gIter = gIter->next) {
	char spec = (char )gIter->data;

	int rc = 0;
	int outcome = PCMK_OCF_OK;
	guint interval_ms = 0;

	char *key = NULL;
	char *node = NULL;
	char *task = NULL;
	char *resource = NULL;

	const char *rtype = NULL;
	const char *rclass = NULL;
	const char *rprovider = NULL;

	pe_resource_t *rsc = NULL;

	out->message(out, "inject-spec", spec);

	key = calloc(1, strlen(spec) + 1);
	node = calloc(1, strlen(spec) + 1);
	rc = sscanf(spec, "%[^@]@%[^=]=%d", key, node, &outcome);
	if (rc != 3) {
	out->err(out, "Invalid operation spec: %s. Only found %d fields", spec, rc);
	free(key);
	free(node);
	continue;
	}

	parse_op_key(key, &resource, &task, &interval_ms);

	rsc = pe_find_resource(data_set->resources, resource);
	if (rsc == NULL) {
	out->err(out, "Invalid resource name: %s", resource);
	} else {
	rclass = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
	rtype = crm_element_value(rsc->xml, XML_ATTR_TYPE);
	rprovider = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER);

	cib_node = pcmk__inject_node(cib, node, NULL);
	CRM_ASSERT(cib_node != NULL);

	pcmk__inject_failcount(out, cib_node, resource, task, interval_ms,
	outcome);

	cib_resource = pcmk__inject_resource_history(out, cib_node,
	resource, resource,
	rclass, rtype,
	rprovider);
	CRM_ASSERT(cib_resource != NULL);

	op = create_op(cib_resource, task, interval_ms, outcome);
	CRM_ASSERT(op != NULL);

	cib_op = pcmk__inject_action_result(cib_resource, op, 0);
	CRM_ASSERT(cib_op != NULL);
	lrmd_free_event(op);

	rc = cib->cmds->modify(cib, XML_CIB_TAG_STATUS, cib_node,
	cib_sync_call \| cib_scope_local);
	CRM_ASSERT(rc == pcmk_ok);
	}
	free(task);
	free(node);
	free(key);
	}

	if (!out->is_quiet(out)) {
	out->end_list(out);
	}
	}

	static gboolean
	exec_pseudo_action(crm_graph_t * graph, crm_action_t * action)
	{
	const char *node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET);
	const char *task = crm_element_value(action->xml, XML_LRM_ATTR_TASK_KEY);

	crm__set_graph_action_flags(action, pcmk__graph_action_confirmed);
	out->message(out, "inject-pseudo-action", node, task);

	pcmk__update_graph(graph, action);
	return TRUE;
	}

	static gboolean
	exec_rsc_action(crm_graph_t * graph, crm_action_t * action)
	{
	int rc = 0;
	GList *gIter = NULL;
	lrmd_event_data_t *op = NULL;
	int target_outcome = PCMK_OCF_OK;

	const char *rtype = NULL;
	const char *rclass = NULL;
	const char *resource = NULL;
	const char *rprovider = NULL;
	const char *lrm_name = NULL;
	const char *operation = crm_element_value(action->xml, "operation");
	const char *target_rc_s = crm_meta_value(action->params, XML_ATTR_TE_TARGET_RC);

	xmlNode *cib_node = NULL;
	xmlNode *cib_resource = NULL;
	xmlNode *action_rsc = first_named_child(action->xml, XML_CIB_TAG_RESOURCE);

	char *node = crm_element_value_copy(action->xml, XML_LRM_ATTR_TARGET);
	char *uuid = crm_element_value_copy(action->xml, XML_LRM_ATTR_TARGET_UUID);
	const char *router_node = crm_element_value(action->xml, XML_LRM_ATTR_ROUTER_NODE);

	if (pcmk__str_eq(operation, CRM_OP_REPROBE, pcmk__str_none)) {
	crm_info("Skipping %s op for %s", operation, node);
	goto done;
	}

	if (action_rsc == NULL) {
	crm_log_xml_err(action->xml, "Bad");
	free(node); free(uuid);
	return FALSE;
	}

	/* Look for the preferred name
	* If not found, try the expected 'local' name
	* If not found use the preferred name anyway
	*/
	resource = crm_element_value(action_rsc, XML_ATTR_ID);
	CRM_ASSERT(resource != NULL); // makes static analysis happy
	lrm_name = resource; // Preferred name when writing history
	if (pe_find_resource(fake_resource_list, resource) == NULL) {
	const char *longname = crm_element_value(action_rsc, XML_ATTR_ID_LONG);

	if (longname && pe_find_resource(fake_resource_list, longname)) {
	resource = longname;
	}
	}

	if (pcmk__strcase_any_of(operation, "delete", RSC_METADATA, NULL)) {
	out->message(out, "inject-rsc-action", resource, operation, node, (guint) 0);
	goto done;
	}

	rclass = crm_element_value(action_rsc, XML_AGENT_ATTR_CLASS);
	rtype = crm_element_value(action_rsc, XML_ATTR_TYPE);
	rprovider = crm_element_value(action_rsc, XML_AGENT_ATTR_PROVIDER);

	pcmk__scan_min_int(target_rc_s, &target_outcome, 0);

	CRM_ASSERT(fake_cib->cmds->query(fake_cib, NULL, NULL, cib_sync_call \| cib_scope_local) ==
	pcmk_ok);

	cib_node = pcmk__inject_node(fake_cib, node,
	((router_node == NULL)? uuid: node));
	CRM_ASSERT(cib_node != NULL);

	cib_resource = pcmk__inject_resource_history(out, cib_node, resource,
	lrm_name, rclass, rtype,
	rprovider);
	if (cib_resource == NULL) {
	crm_err("invalid resource in transition");
	free(node); free(uuid);
	free_xml(cib_node);
	return FALSE;
	}

	op = pcmk__event_from_graph_action(cib_resource, action, PCMK_EXEC_DONE,
	target_outcome, "User-injected result");

	out->message(out, "inject-rsc-action", resource, op->op_type, node, op->interval_ms);

	for (gIter = fake_op_fail_list; gIter != NULL; gIter = gIter->next) {
	char spec = (char )gIter->data;
	char *key = NULL;
	const char *match_name = NULL;

	// Allow user to specify anonymous clone with or without instance number
	key = crm_strdup_printf(PCMK__OP_FMT "@%s=", resource, op->op_type,
	op->interval_ms, node);
	if (strncasecmp(key, spec, strlen(key)) == 0) {
	match_name = resource;
	}
	free(key);

	if ((match_name == NULL) && strcmp(resource, lrm_name)) {
	key = crm_strdup_printf(PCMK__OP_FMT "@%s=", lrm_name, op->op_type,
	op->interval_ms, node);
	if (strncasecmp(key, spec, strlen(key)) == 0) {
	match_name = lrm_name;
	}
	free(key);
	}

	if (match_name != NULL) {

	rc = sscanf(spec, "%[^=]=%d", (int ) &op->rc);
	// ${match_name}_${task}_${interval_in_ms}@${node}=${rc}

	if (rc != 1) {
	out->err(out,
	"Invalid failed operation spec: %s. Result code must be integer",
	spec);
	continue;
	}
	crm__set_graph_action_flags(action, pcmk__graph_action_failed);
	graph->abort_priority = INFINITY;
	out->info(out, "Pretending action %d failed with rc=%d", action->id, op->rc);
	pcmk__inject_failcount(out, cib_node, match_name, op->op_type,
	op->interval_ms, op->rc);
	break;
	}
	}

	pcmk__inject_action_result(cib_resource, op, target_outcome);
	lrmd_free_event(op);

	rc = fake_cib->cmds->modify(fake_cib, XML_CIB_TAG_STATUS, cib_node,
	cib_sync_call \| cib_scope_local);
	CRM_ASSERT(rc == pcmk_ok);

	done:
	free(node); free(uuid);
	free_xml(cib_node);
	crm__set_graph_action_flags(action, pcmk__graph_action_confirmed);
	pcmk__update_graph(graph, action);
	return TRUE;
	}

	static gboolean
	exec_crmd_action(crm_graph_t * graph, crm_action_t * action)
	{
	const char *node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET);
	const char *task = crm_element_value(action->xml, XML_LRM_ATTR_TASK);
	xmlNode *rsc = first_named_child(action->xml, XML_CIB_TAG_RESOURCE);

	crm__set_graph_action_flags(action, pcmk__graph_action_confirmed);
	out->message(out, "inject-cluster-action", node, task, rsc);
	pcmk__update_graph(graph, action);
	return TRUE;
	}

	static gboolean
	exec_stonith_action(crm_graph_t * graph, crm_action_t * action)
	{
	const char *op = crm_meta_value(action->params, "stonith_action");
	char *target = crm_element_value_copy(action->xml, XML_LRM_ATTR_TARGET);

	out->message(out, "inject-fencing-action", target, op);

	if(!pcmk__str_eq(op, "on", pcmk__str_casei)) {
	int rc = 0;
	char xpath[STATUS_PATH_MAX];
	- xmlNode *cib_node = modify_node(fake_cib, target, FALSE);
	+ xmlNode *cib_node = pcmk__inject_node_state_change(fake_cib, target,
	+ false);

	crm_xml_add(cib_node, XML_ATTR_ORIGIN, __func__);
	CRM_ASSERT(cib_node != NULL);

	rc = fake_cib->cmds->replace(fake_cib, XML_CIB_TAG_STATUS, cib_node,
	cib_sync_call \| cib_scope_local);
	CRM_ASSERT(rc == pcmk_ok);

	snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", target, XML_CIB_TAG_LRM);
	fake_cib->cmds->remove(fake_cib, xpath, NULL,
	cib_xpath \| cib_sync_call \| cib_scope_local);

	snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", target,
	XML_TAG_TRANSIENT_NODEATTRS);
	fake_cib->cmds->remove(fake_cib, xpath, NULL,
	cib_xpath \| cib_sync_call \| cib_scope_local);

	free_xml(cib_node);
	}

	crm__set_graph_action_flags(action, pcmk__graph_action_confirmed);
	pcmk__update_graph(graph, action);
	free(target);
	return TRUE;
	}

	enum transition_status
	run_simulation(pe_working_set_t * data_set, cib_t cib, GList op_fail_list)
	{
	crm_graph_t *transition = NULL;
	enum transition_status graph_rc;

	crm_graph_functions_t exec_fns = {
	exec_pseudo_action,
	exec_rsc_action,
	exec_crmd_action,
	exec_stonith_action,
	};

	out = data_set->priv;

	fake_cib = cib;
	fake_op_fail_list = op_fail_list;

	if (!out->is_quiet(out)) {
	out->begin_list(out, NULL, NULL, "Executing Cluster Transition");
	}

	pcmk__set_graph_functions(&exec_fns);
	transition = pcmk__unpack_graph(data_set->graph, crm_system_name);
	pcmk__log_graph(LOG_DEBUG, transition);

	fake_resource_list = data_set->resources;
	do {
	graph_rc = pcmk__execute_graph(transition);

	} while (graph_rc == transition_active);
	fake_resource_list = NULL;

	if (graph_rc != transition_complete) {
	out->err(out, "Transition failed: %s",
	pcmk__graph_status2text(graph_rc));
	pcmk__log_graph(LOG_ERR, transition);
	}
	pcmk__free_graph(transition);
	if (graph_rc != transition_complete) {
	out->err(out, "An invalid transition was produced");
	}

	if (!out->is_quiet(out)) {
	xmlNode *cib_object = NULL;
	int rc = fake_cib->cmds->query(fake_cib, NULL, &cib_object, cib_sync_call \| cib_scope_local);

	CRM_ASSERT(rc == pcmk_ok);
	pe_reset_working_set(data_set);
	data_set->input = cib_object;

	out->end_list(out);
	}

	return graph_rc;
	}

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