notif.c
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notif.c
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	/*
	* Copyright 2004-2018 Andrew Beekhof <andrew@beekhof.net>
	*
	* This source code is licensed under the GNU General Public License version 2
	* or later (GPLv2+) WITHOUT ANY WARRANTY.
	*/

	#include <crm_internal.h>
	#include <crm/msg_xml.h>
	#include <allocate.h>
	#include <notif.h>
	#include <utils.h>

	typedef struct notify_entry_s {
	resource_t *rsc;
	node_t *node;
	} notify_entry_t;

	static gint
	sort_notify_entries(gconstpointer a, gconstpointer b)
	{
	int tmp;
	const notify_entry_t *entry_a = a;
	const notify_entry_t *entry_b = b;

	if (entry_a == NULL && entry_b == NULL) {
	return 0;
	}
	if (entry_a == NULL) {
	return 1;
	}
	if (entry_b == NULL) {
	return -1;
	}

	if (entry_a->rsc == NULL && entry_b->rsc == NULL) {
	return 0;
	}
	if (entry_a->rsc == NULL) {
	return 1;
	}
	if (entry_b->rsc == NULL) {
	return -1;
	}

	tmp = strcmp(entry_a->rsc->id, entry_b->rsc->id);
	if (tmp != 0) {
	return tmp;
	}

	if (entry_a->node == NULL && entry_b->node == NULL) {
	return 0;
	}
	if (entry_a->node == NULL) {
	return 1;
	}
	if (entry_b->node == NULL) {
	return -1;
	}

	return strcmp(entry_a->node->details->id, entry_b->node->details->id);
	}

	static notify_entry_t dup_notify_entry(notify_entry_t entry)
	{
	notify_entry_t *dup = malloc(sizeof(notify_entry_t));

	CRM_ASSERT(dup != NULL);
	dup->rsc = entry->rsc;
	dup->node = entry->node;
	return dup;
	}

	static void
	expand_node_list(GListPtr list, char uname, char metal)
	{
	GListPtr gIter = NULL;
	char *node_list = NULL;
	char *metal_list = NULL;

	CRM_ASSERT(uname != NULL);
	if (list == NULL) {
	*uname = strdup(" ");
	if(metal) {
	*metal = strdup(" ");
	}
	return;
	}

	for (gIter = list; gIter != NULL; gIter = gIter->next) {
	int len = 0;
	int existing_len = 0;
	node_t node = (node_t ) gIter->data;

	if (node->details->uname == NULL) {
	continue;
	}
	len = 2 + strlen(node->details->uname);

	if(node_list) {
	existing_len = strlen(node_list);
	}
	// crm_trace("Adding %s (%dc) at offset %d", node->details->uname, len - 2, existing_len);
	node_list = realloc_safe(node_list, len + existing_len);
	sprintf(node_list + existing_len, "%s%s", existing_len == 0 ? "":" ", node->details->uname);

	if(metal) {
	existing_len = 0;
	if(metal_list) {
	existing_len = strlen(metal_list);
	}

	if(node->details->remote_rsc
	&& node->details->remote_rsc->container
	&& node->details->remote_rsc->container->running_on) {
	node = node->details->remote_rsc->container->running_on->data;
	}

	if (node->details->uname == NULL) {
	continue;
	}
	len = 2 + strlen(node->details->uname);
	metal_list = realloc_safe(metal_list, len + existing_len);
	sprintf(metal_list + existing_len, "%s%s", existing_len == 0 ? "":" ", node->details->uname);
	}
	}

	*uname = node_list;
	if(metal) {
	*metal = metal_list;
	}
	}

	static void
	expand_list(GListPtr list, char rsc_list, char node_list)
	{
	GListPtr gIter = NULL;
	const char *uname = NULL;
	const char *rsc_id = NULL;
	const char *last_rsc_id = NULL;

	if (rsc_list) {
	*rsc_list = NULL;
	}

	if (list == NULL) {
	if (rsc_list) {
	*rsc_list = strdup(" ");
	}
	if (node_list) {
	*node_list = strdup(" ");
	}
	return;
	}

	if (node_list) {
	*node_list = NULL;
	}

	for (gIter = list; gIter != NULL; gIter = gIter->next) {
	notify_entry_t entry = (notify_entry_t ) gIter->data;

	CRM_LOG_ASSERT(entry != NULL);
	CRM_LOG_ASSERT(entry && entry->rsc != NULL);

	if(entry == NULL \|\| entry->rsc == NULL) {
	continue;
	}

	/* Uh, why? */
	CRM_LOG_ASSERT(node_list == NULL \|\| entry->node != NULL);
	if(node_list != NULL && entry->node == NULL) {
	continue;
	}

	uname = NULL;
	rsc_id = entry->rsc->id;
	CRM_ASSERT(rsc_id != NULL);

	/* filter dups */
	if (safe_str_eq(rsc_id, last_rsc_id)) {
	continue;
	}
	last_rsc_id = rsc_id;

	if (rsc_list != NULL) {
	int existing_len = 0;
	int len = 2 + strlen(rsc_id); /* +1 space, +1 EOS */

	if (*rsc_list) {
	existing_len = strlen(*rsc_list);
	}

	crm_trace("Adding %s (%dc) at offset %d", rsc_id, len - 2, existing_len);
	rsc_list = realloc_safe(rsc_list, len + existing_len);
	sprintf(*rsc_list + existing_len, "%s%s", existing_len == 0 ? "":" ", rsc_id);
	}

	if (entry->node != NULL) {
	uname = entry->node->details->uname;
	}

	if (node_list != NULL && uname) {
	int existing_len = 0;
	int len = 2 + strlen(uname);

	if (*node_list) {
	existing_len = strlen(*node_list);
	}

	crm_trace("Adding %s (%dc) at offset %d", uname, len - 2, existing_len);
	node_list = realloc_safe(node_list, len + existing_len);
	sprintf(*node_list + existing_len, "%s%s", existing_len == 0 ? "":" ", uname);
	}
	}

	}

	static void
	dup_attr(gpointer key, gpointer value, gpointer user_data)
	{
	add_hash_param(user_data, key, value);
	}

	static action_t *
	pe_notify(resource_t * rsc, node_t * node, action_t * op, action_t * confirm,
	notify_data_t * n_data, pe_working_set_t * data_set)
	{
	char *key = NULL;
	action_t *trigger = NULL;
	const char *value = NULL;
	const char *task = NULL;

	if (op == NULL \|\| confirm == NULL) {
	pe_rsc_trace(rsc, "Op=%p confirm=%p", op, confirm);
	return NULL;
	}

	CRM_CHECK(rsc != NULL, return NULL);
	CRM_CHECK(node != NULL, return NULL);

	if (node->details->online == FALSE) {
	pe_rsc_trace(rsc, "Skipping notification for %s: node offline", rsc->id);
	return NULL;
	} else if (is_set(op->flags, pe_action_runnable) == FALSE) {
	pe_rsc_trace(rsc, "Skipping notification for %s: not runnable", op->uuid);
	return NULL;
	}

	value = g_hash_table_lookup(op->meta, "notify_type");
	task = g_hash_table_lookup(op->meta, "notify_operation");

	pe_rsc_trace(rsc, "Creating notify actions for %s: %s (%s-%s)", op->uuid, rsc->id, value, task);

	key = generate_notify_key(rsc->id, value, task);
	trigger = custom_action(rsc, key, op->task, node,
	is_set(op->flags, pe_action_optional), TRUE, data_set);
	g_hash_table_foreach(op->meta, dup_attr, trigger->meta);
	g_hash_table_foreach(n_data->keys, dup_attr, trigger->meta);

	/* pseudo_notify before notify */
	pe_rsc_trace(rsc, "Ordering %s before %s (%d->%d)", op->uuid, trigger->uuid, trigger->id,
	op->id);

	order_actions(op, trigger, pe_order_optional);
	order_actions(trigger, confirm, pe_order_optional);
	return trigger;
	}

	static void
	pe_post_notify(resource_t * rsc, node_t * node, notify_data_t * n_data, pe_working_set_t * data_set)
	{
	action_t *notify = NULL;

	CRM_CHECK(rsc != NULL, return);

	if (n_data->post == NULL) {
	return; /* Nothing to do */
	}

	notify = pe_notify(rsc, node, n_data->post, n_data->post_done, n_data, data_set);

	if (notify != NULL) {
	notify->priority = INFINITY;
	}

	if (n_data->post_done) {
	GListPtr gIter = rsc->actions;

	for (; gIter != NULL; gIter = gIter->next) {
	action_t mon = (action_t ) gIter->data;
	const char *interval_ms_s = g_hash_table_lookup(mon->meta,
	XML_LRM_ATTR_INTERVAL_MS);

	if ((interval_ms_s == NULL) \|\| safe_str_eq(interval_ms_s, "0")) {
	pe_rsc_trace(rsc, "Skipping %s: interval", mon->uuid);
	continue;
	} else if (safe_str_eq(mon->task, RSC_CANCEL)) {
	pe_rsc_trace(rsc, "Skipping %s: cancel", mon->uuid);
	continue;
	}

	order_actions(n_data->post_done, mon, pe_order_optional);
	}
	}
	}

	notify_data_t *
	create_notification_boundaries(resource_t * rsc, const char action, action_t start,
	action_t * end, pe_working_set_t * data_set)
	{
	/* Create the pseudo ops that precede and follow the actual notifications */

	/*
	* Creates two sequences (conditional on start and end being supplied):
	* pre_notify -> pre_notify_complete -> start, and
	* end -> post_notify -> post_notify_complete
	*
	* 'start' and 'end' may be the same event or ${X} and ${X}ed as per clones
	*/
	char *key = NULL;
	notify_data_t *n_data = NULL;

	if (is_not_set(rsc->flags, pe_rsc_notify)) {
	return NULL;
	}

	n_data = calloc(1, sizeof(notify_data_t));
	n_data->action = action;
	n_data->keys = crm_str_table_new();

	if (start) {
	/* create pre-event notification wrappers */
	key = generate_notify_key(rsc->id, "pre", start->task);
	n_data->pre =
	custom_action(rsc, key, RSC_NOTIFY, NULL, is_set(start->flags, pe_action_optional),
	TRUE, data_set);

	update_action_flags(n_data->pre, pe_action_pseudo, __FUNCTION__, __LINE__);
	update_action_flags(n_data->pre, pe_action_runnable, __FUNCTION__, __LINE__);

	add_hash_param(n_data->pre->meta, "notify_type", "pre");
	add_hash_param(n_data->pre->meta, "notify_operation", n_data->action);

	add_hash_param(n_data->pre->meta, "notify_key_type", "pre");
	add_hash_param(n_data->pre->meta, "notify_key_operation", start->task);

	/* create pre_notify_complete */
	key = generate_notify_key(rsc->id, "confirmed-pre", start->task);
	n_data->pre_done =
	custom_action(rsc, key, RSC_NOTIFIED, NULL, is_set(start->flags, pe_action_optional),
	TRUE, data_set);

	update_action_flags(n_data->pre_done, pe_action_pseudo, __FUNCTION__, __LINE__);
	update_action_flags(n_data->pre_done, pe_action_runnable, __FUNCTION__, __LINE__);

	add_hash_param(n_data->pre_done->meta, "notify_type", "pre");
	add_hash_param(n_data->pre_done->meta, "notify_operation", n_data->action);

	add_hash_param(n_data->pre_done->meta, "notify_key_type", "confirmed-pre");
	add_hash_param(n_data->pre_done->meta, "notify_key_operation", start->task);

	order_actions(n_data->pre_done, start, pe_order_optional);
	order_actions(n_data->pre, n_data->pre_done, pe_order_optional);
	}

	if (end) {
	/* create post-event notification wrappers */
	key = generate_notify_key(rsc->id, "post", end->task);
	n_data->post =
	custom_action(rsc, key, RSC_NOTIFY, NULL, is_set(end->flags, pe_action_optional), TRUE,
	data_set);

	n_data->post->priority = INFINITY;
	update_action_flags(n_data->post, pe_action_pseudo, __FUNCTION__, __LINE__);
	if (is_set(end->flags, pe_action_runnable)) {
	update_action_flags(n_data->post, pe_action_runnable, __FUNCTION__, __LINE__);
	} else {
	update_action_flags(n_data->post, pe_action_runnable \| pe_action_clear, __FUNCTION__, __LINE__);
	}

	add_hash_param(n_data->post->meta, "notify_type", "post");
	add_hash_param(n_data->post->meta, "notify_operation", n_data->action);

	add_hash_param(n_data->post->meta, "notify_key_type", "post");
	add_hash_param(n_data->post->meta, "notify_key_operation", end->task);

	/* create post_notify_complete */
	key = generate_notify_key(rsc->id, "confirmed-post", end->task);
	n_data->post_done =
	custom_action(rsc, key, RSC_NOTIFIED, NULL, is_set(end->flags, pe_action_optional),
	TRUE, data_set);

	n_data->post_done->priority = INFINITY;
	update_action_flags(n_data->post_done, pe_action_pseudo, __FUNCTION__, __LINE__);
	if (is_set(end->flags, pe_action_runnable)) {
	update_action_flags(n_data->post_done, pe_action_runnable, __FUNCTION__, __LINE__);
	} else {
	update_action_flags(n_data->post_done, pe_action_runnable \| pe_action_clear, __FUNCTION__, __LINE__);
	}

	add_hash_param(n_data->post_done->meta, "notify_type", "post");
	add_hash_param(n_data->post_done->meta, "notify_operation", n_data->action);

	add_hash_param(n_data->post_done->meta, "notify_key_type", "confirmed-post");
	add_hash_param(n_data->post_done->meta, "notify_key_operation", end->task);

	order_actions(end, n_data->post, pe_order_implies_then);
	order_actions(n_data->post, n_data->post_done, pe_order_implies_then);
	}

	if (start && end) {
	order_actions(n_data->pre_done, n_data->post, pe_order_optional);
	}

	if (safe_str_eq(action, RSC_STOP)) {
	action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set);

	order_actions(n_data->post_done, all_stopped, pe_order_optional);
	}

	return n_data;
	}

	void
	collect_notification_data(resource_t * rsc, gboolean state, gboolean activity,
	notify_data_t * n_data)
	{

	if(n_data->allowed_nodes == NULL) {
	n_data->allowed_nodes = rsc->allowed_nodes;
	}

	if (rsc->children) {
	GListPtr gIter = rsc->children;

	for (; gIter != NULL; gIter = gIter->next) {
	resource_t child = (resource_t ) gIter->data;

	collect_notification_data(child, state, activity, n_data);
	}
	return;
	}

	if (state) {
	notify_entry_t *entry = NULL;

	entry = calloc(1, sizeof(notify_entry_t));
	entry->rsc = rsc;
	if (rsc->running_on) {
	/* we only take the first one */
	entry->node = rsc->running_on->data;
	}

	pe_rsc_trace(rsc, "%s state: %s", rsc->id, role2text(rsc->role));

	switch (rsc->role) {
	case RSC_ROLE_STOPPED:
	n_data->inactive = g_list_prepend(n_data->inactive, entry);
	break;
	case RSC_ROLE_STARTED:
	n_data->active = g_list_prepend(n_data->active, entry);
	break;
	case RSC_ROLE_SLAVE:
	n_data->slave = g_list_prepend(n_data->slave, entry);
	n_data->active = g_list_prepend(n_data->active,
	dup_notify_entry(entry));
	break;
	case RSC_ROLE_MASTER:
	n_data->master = g_list_prepend(n_data->master, entry);
	n_data->active = g_list_prepend(n_data->active,
	dup_notify_entry(entry));
	break;
	default:
	crm_err("Unsupported notify role");
	free(entry);
	break;
	}
	}

	if (activity) {
	notify_entry_t *entry = NULL;
	enum action_tasks task;

	GListPtr gIter = rsc->actions;

	for (; gIter != NULL; gIter = gIter->next) {
	action_t op = (action_t ) gIter->data;

	if (is_set(op->flags, pe_action_optional) == FALSE && op->node != NULL) {
	task = text2task(op->task);

	if(task == stop_rsc && op->node->details->unclean) {
	/* Create one anyway,, some additional noise if op->node cannot be fenced */
	} else if(is_not_set(op->flags, pe_action_runnable)) {
	continue;
	}

	entry = calloc(1, sizeof(notify_entry_t));
	entry->node = op->node;
	entry->rsc = rsc;

	switch (task) {
	case start_rsc:
	n_data->start = g_list_prepend(n_data->start, entry);
	break;
	case stop_rsc:
	n_data->stop = g_list_prepend(n_data->stop, entry);
	break;
	case action_promote:
	n_data->promote = g_list_prepend(n_data->promote, entry);
	break;
	case action_demote:
	n_data->demote = g_list_prepend(n_data->demote, entry);
	break;
	default:
	free(entry);
	break;
	}
	}
	}
	}
	}

	gboolean
	expand_notification_data(resource_t rsc, notify_data_t n_data, pe_working_set_t * data_set)
	{
	/* Expand the notification entries into a key=value hashtable
	* This hashtable is later used in action2xml()
	*/
	gboolean required = FALSE;
	char *rsc_list = NULL;
	char *node_list = NULL;
	char *metal_list = NULL;
	const char *source = NULL;
	GListPtr nodes = NULL;

	if (n_data->stop) {
	n_data->stop = g_list_sort(n_data->stop, sort_notify_entries);
	}
	expand_list(n_data->stop, &rsc_list, &node_list);
	if (rsc_list != NULL && safe_str_neq(" ", rsc_list)) {
	if (safe_str_eq(n_data->action, RSC_STOP)) {
	required = TRUE;
	}
	}
	g_hash_table_insert(n_data->keys, strdup("notify_stop_resource"), rsc_list);
	g_hash_table_insert(n_data->keys, strdup("notify_stop_uname"), node_list);

	if (n_data->start) {
	n_data->start = g_list_sort(n_data->start, sort_notify_entries);
	if (rsc_list && safe_str_eq(n_data->action, RSC_START)) {
	required = TRUE;
	}
	}
	expand_list(n_data->start, &rsc_list, &node_list);
	g_hash_table_insert(n_data->keys, strdup("notify_start_resource"), rsc_list);
	g_hash_table_insert(n_data->keys, strdup("notify_start_uname"), node_list);

	if (n_data->demote) {
	n_data->demote = g_list_sort(n_data->demote, sort_notify_entries);
	if (safe_str_eq(n_data->action, RSC_DEMOTE)) {
	required = TRUE;
	}
	}

	expand_list(n_data->demote, &rsc_list, &node_list);
	g_hash_table_insert(n_data->keys, strdup("notify_demote_resource"), rsc_list);
	g_hash_table_insert(n_data->keys, strdup("notify_demote_uname"), node_list);

	if (n_data->promote) {
	n_data->promote = g_list_sort(n_data->promote, sort_notify_entries);
	if (safe_str_eq(n_data->action, RSC_PROMOTE)) {
	required = TRUE;
	}
	}
	expand_list(n_data->promote, &rsc_list, &node_list);
	g_hash_table_insert(n_data->keys, strdup("notify_promote_resource"), rsc_list);
	g_hash_table_insert(n_data->keys, strdup("notify_promote_uname"), node_list);

	if (n_data->active) {
	n_data->active = g_list_sort(n_data->active, sort_notify_entries);
	}
	expand_list(n_data->active, &rsc_list, &node_list);
	g_hash_table_insert(n_data->keys, strdup("notify_active_resource"), rsc_list);
	g_hash_table_insert(n_data->keys, strdup("notify_active_uname"), node_list);

	if (n_data->slave) {
	n_data->slave = g_list_sort(n_data->slave, sort_notify_entries);
	}
	expand_list(n_data->slave, &rsc_list, &node_list);
	g_hash_table_insert(n_data->keys, strdup("notify_slave_resource"), rsc_list);
	g_hash_table_insert(n_data->keys, strdup("notify_slave_uname"), node_list);

	if (n_data->master) {
	n_data->master = g_list_sort(n_data->master, sort_notify_entries);
	}
	expand_list(n_data->master, &rsc_list, &node_list);
	g_hash_table_insert(n_data->keys, strdup("notify_master_resource"), rsc_list);
	g_hash_table_insert(n_data->keys, strdup("notify_master_uname"), node_list);

	if (n_data->inactive) {
	n_data->inactive = g_list_sort(n_data->inactive, sort_notify_entries);
	}
	expand_list(n_data->inactive, &rsc_list, NULL);
	g_hash_table_insert(n_data->keys, strdup("notify_inactive_resource"), rsc_list);

	nodes = g_hash_table_get_values(n_data->allowed_nodes);
	expand_node_list(nodes, &node_list, NULL);
	g_hash_table_insert(n_data->keys, strdup("notify_available_uname"), node_list);
	g_list_free(nodes);

	source = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_TARGET);
	if (safe_str_eq("host", source)) {
	expand_node_list(data_set->nodes, &node_list, &metal_list);
	g_hash_table_insert(n_data->keys, strdup("notify_all_hosts"),
	metal_list);
	} else {
	expand_node_list(data_set->nodes, &node_list, NULL);
	}
	g_hash_table_insert(n_data->keys, strdup("notify_all_uname"), node_list);

	if (required && n_data->pre) {
	update_action_flags(n_data->pre, pe_action_optional \| pe_action_clear, __FUNCTION__, __LINE__);
	update_action_flags(n_data->pre_done, pe_action_optional \| pe_action_clear, __FUNCTION__, __LINE__);
	}

	if (required && n_data->post) {
	update_action_flags(n_data->post, pe_action_optional \| pe_action_clear, __FUNCTION__, __LINE__);
	update_action_flags(n_data->post_done, pe_action_optional \| pe_action_clear, __FUNCTION__, __LINE__);
	}
	return required;
	}

	void
	create_notifications(resource_t * rsc, notify_data_t * n_data, pe_working_set_t * data_set)
	{
	GListPtr gIter = NULL;
	action_t *stop = NULL;
	action_t *start = NULL;
	enum action_tasks task = text2task(n_data->action);

	if (rsc->children) {
	gIter = rsc->children;
	for (; gIter != NULL; gIter = gIter->next) {
	resource_t child = (resource_t ) gIter->data;

	create_notifications(child, n_data, data_set);
	}
	return;
	}

	/* Copy notification details into standard ops */

	for (gIter = rsc->actions; gIter != NULL; gIter = gIter->next) {
	action_t op = (action_t ) gIter->data;

	if (is_set(op->flags, pe_action_optional) == FALSE && op->node != NULL) {
	enum action_tasks t = text2task(op->task);

	switch (t) {
	case start_rsc:
	case stop_rsc:
	case action_promote:
	case action_demote:
	g_hash_table_foreach(n_data->keys, dup_attr, op->meta);
	break;
	default:
	break;
	}
	}
	}

	switch (task) {
	case start_rsc:
	if(g_list_length(n_data->start) == 0) {
	pe_rsc_trace(rsc, "Skipping empty notification for: %s.%s (%s->%s)",
	n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));
	return;
	}
	break;
	case action_promote:
	if(g_list_length(n_data->promote) == 0) {
	pe_rsc_trace(rsc, "Skipping empty notification for: %s.%s (%s->%s)",
	n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));
	return;
	}
	break;
	case action_demote:
	if(g_list_length(n_data->demote) == 0) {
	pe_rsc_trace(rsc, "Skipping empty notification for: %s.%s (%s->%s)",
	n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));
	return;
	}
	break;
	default:
	/* We cannot do the same for stop_rsc/n_data->stop at it
	* might be implied by fencing
	*/
	break;
	}

	pe_rsc_trace(rsc, "Creating notifications for: %s.%s (%s->%s)",
	n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));

	stop = find_first_action(rsc->actions, NULL, RSC_STOP, NULL);
	start = find_first_action(rsc->actions, NULL, RSC_START, NULL);

	/* stop / demote */
	if (rsc->role != RSC_ROLE_STOPPED) {
	if (task == stop_rsc \|\| task == action_demote) {
	gIter = rsc->running_on;
	for (; gIter != NULL; gIter = gIter->next) {
	node_t current_node = (node_t ) gIter->data;

	/* if this stop action is a pseudo action as a result of the current
	* node being fenced, this stop action is implied by the fencing
	* action. There's no reason to send the fenced node a stop notification */
	if (stop &&
	is_set(stop->flags, pe_action_pseudo) &&
	(current_node->details->unclean \|\| current_node->details->remote_requires_reset) ) {

	continue;
	}

	pe_notify(rsc, current_node, n_data->pre, n_data->pre_done, n_data, data_set);
	if (task == action_demote \|\| stop == NULL
	\|\| is_set(stop->flags, pe_action_optional)) {
	pe_post_notify(rsc, current_node, n_data, data_set);
	}
	}
	}
	}

	/* start / promote */
	if (rsc->next_role != RSC_ROLE_STOPPED) {
	if (rsc->allocated_to == NULL) {
	pe_proc_err("Next role '%s' but %s is not allocated", role2text(rsc->next_role),
	rsc->id);

	} else if (task == start_rsc \|\| task == action_promote) {
	if (task != start_rsc \|\| start == NULL \|\| is_set(start->flags, pe_action_optional)) {
	pe_notify(rsc, rsc->allocated_to, n_data->pre, n_data->pre_done, n_data, data_set);
	}
	pe_post_notify(rsc, rsc->allocated_to, n_data, data_set);
	}
	}
	}

	void
	free_notification_data(notify_data_t * n_data)
	{
	if (n_data == NULL) {
	return;
	}

	g_list_free_full(n_data->stop, free);
	g_list_free_full(n_data->start, free);
	g_list_free_full(n_data->demote, free);
	g_list_free_full(n_data->promote, free);
	g_list_free_full(n_data->master, free);
	g_list_free_full(n_data->slave, free);
	g_list_free_full(n_data->active, free);
	g_list_free_full(n_data->inactive, free);
	g_hash_table_destroy(n_data->keys);
	free(n_data);
	}

	void
	create_secondary_notification(pe_action_t action, resource_t rsc,
	pe_action_t *stonith_op,
	pe_working_set_t *data_set)
	{
	notify_data_t *n_data;

	crm_info("Creating secondary notification for %s", action->uuid);
	n_data = create_notification_boundaries(rsc, RSC_STOP, NULL, stonith_op,
	data_set);
	collect_notification_data(rsc, TRUE, FALSE, n_data);
	g_hash_table_insert(n_data->keys, strdup("notify_stop_resource"),
	strdup(rsc->id));
	g_hash_table_insert(n_data->keys, strdup("notify_stop_uname"),
	strdup(action->node->details->uname));
	create_notifications(uber_parent(rsc), n_data, data_set);
	free_notification_data(n_data);
	}

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