diff --git a/pengine/clone.c b/pengine/clone.c index ed7a132373..1ea435c5a1 100644 --- a/pengine/clone.c +++ b/pengine/clone.c @@ -1,1466 +1,1466 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #define VARIANT_CLONE 1 #include gint sort_clone_instance(gconstpointer a, gconstpointer b); void clone_create_notifications( resource_t *rsc, action_t *action, action_t *action_complete, pe_working_set_t *data_set); void child_stopping_constraints( clone_variant_data_t *clone_data, resource_t *self, resource_t *child, resource_t *last, pe_working_set_t *data_set); void child_starting_constraints( clone_variant_data_t *clone_data, resource_t *self, resource_t *child, resource_t *last, pe_working_set_t *data_set); static node_t * parent_node_instance(const resource_t *rsc, node_t *node) { node_t *ret = NULL; if(node != NULL) { ret = pe_find_node_id( rsc->parent->allowed_nodes, node->details->id); } return ret; } static gboolean did_fail(const resource_t *rsc) { if(is_set(rsc->flags, pe_rsc_failed)) { return TRUE; } slist_iter( child_rsc, resource_t, rsc->children, lpc, if(did_fail(child_rsc)) { return TRUE; } ); return FALSE; } gint sort_clone_instance(gconstpointer a, gconstpointer b) { int level = LOG_DEBUG_3; node_t *node1 = NULL; node_t *node2 = NULL; gboolean can1 = TRUE; gboolean can2 = TRUE; const resource_t *resource1 = (const resource_t*)a; const resource_t *resource2 = (const resource_t*)b; CRM_ASSERT(resource1 != NULL); CRM_ASSERT(resource2 != NULL); /* allocation order: * - active instances * - instances running on nodes with the least copies * - active instances on nodes that cant support them or are to be fenced * - failed instances * - inactive instances */ do_crm_log(level+1, "%s ? %s", resource1->id, resource2->id); if(resource1->running_on && resource2->running_on) { if(g_list_length(resource1->running_on) < g_list_length(resource2->running_on)) { do_crm_log(level, "%s < %s: running_on", resource1->id, resource2->id); return -1; } else if(g_list_length(resource1->running_on) > g_list_length(resource2->running_on)) { do_crm_log(level, "%s > %s: running_on", resource1->id, resource2->id); return 1; } } if(resource1->running_on) { node1 = resource1->running_on->data; } if(resource2->running_on) { node2 = resource2->running_on->data; } if(node1) { node_t *match = pe_find_node_id(resource1->allowed_nodes, node1->details->id); if(match->weight < 0) { do_crm_log(level, "%s: current location is unavailable", resource1->id); node1 = NULL; can1 = FALSE; } } if(node2) { node_t *match = pe_find_node_id(resource2->allowed_nodes, node2->details->id); if(match->weight < 0) { do_crm_log(level, "%s: current location is unavailable", resource2->id); node2 = NULL; can2 = FALSE; } } if(can1 != can2) { if(can1) { do_crm_log(level, "%s < %s: availability of current location", resource1->id, resource2->id); return -1; } do_crm_log(level, "%s > %s: availability of current location", resource1->id, resource2->id); return 1; } if(resource1->priority < resource2->priority) { do_crm_log(level, "%s < %s: priority", resource1->id, resource2->id); return 1; } else if(resource1->priority > resource2->priority) { do_crm_log(level, "%s > %s: priority", resource1->id, resource2->id); return -1; } if(node1 == NULL && node2 == NULL) { do_crm_log(level, "%s == %s: not active", resource1->id, resource2->id); return 0; } if(node1 != node2) { if(node1 == NULL) { do_crm_log(level, "%s > %s: active", resource1->id, resource2->id); return 1; } else if(node2 == NULL) { do_crm_log(level, "%s < %s: active", resource1->id, resource2->id); return -1; } } can1 = can_run_resources(node1); can2 = can_run_resources(node2); if(can1 != can2) { if(can1) { do_crm_log(level, "%s < %s: can", resource1->id, resource2->id); return -1; } do_crm_log(level, "%s > %s: can", resource1->id, resource2->id); return 1; } node1 = parent_node_instance(resource1, node1); node2 = parent_node_instance(resource2, node2); if(node1 != NULL && node2 == NULL) { do_crm_log(level, "%s < %s: not allowed", resource1->id, resource2->id); return -1; } else if(node1 == NULL && node2 != NULL) { do_crm_log(level, "%s > %s: not allowed", resource1->id, resource2->id); return 1; } if(node1 == NULL) { do_crm_log(level, "%s == %s: not allowed", resource1->id, resource2->id); return 0; } if(node1->count < node2->count) { do_crm_log(level, "%s < %s: count", resource1->id, resource2->id); return -1; } else if(node1->count > node2->count) { do_crm_log(level, "%s > %s: count", resource1->id, resource2->id); return 1; } if(node1->weight < node2->weight) { do_crm_log(level, "%s < %s: node score", resource1->id, resource2->id); return 1; } else if(node1->weight > node2->weight) { do_crm_log(level, "%s > %s: node score", resource1->id, resource2->id); return -1; } can1 = did_fail(resource1); can2 = did_fail(resource2); if(can1 != can2) { if(can1) { do_crm_log(level, "%s > %s: failed", resource1->id, resource2->id); return 1; } do_crm_log(level, "%s < %s: failed", resource1->id, resource2->id); return -1; } do_crm_log(level, "%s == %s: default %d", resource1->id, resource2->id, node2->weight); return 0; } static node_t * can_run_instance(resource_t *rsc, node_t *node) { node_t *local_node = NULL; clone_variant_data_t *clone_data = NULL; if(can_run_resources(node) == FALSE) { goto bail; } local_node = parent_node_instance(rsc, node); get_clone_variant_data(clone_data, rsc->parent); if(local_node == NULL) { crm_warn("%s cannot run on %s: node not allowed", rsc->id, node->details->uname); goto bail; } else if(local_node->count < clone_data->clone_node_max) { return local_node; } else { crm_debug_2("%s cannot run on %s: node full", rsc->id, node->details->uname); } bail: if(node) { common_update_score(rsc, node->details->id, -INFINITY); } return NULL; } static node_t * color_instance(resource_t *rsc, pe_working_set_t *data_set) { node_t *chosen = NULL; node_t *local_node = NULL; crm_debug_2("Processing %s", rsc->id); if(is_not_set(rsc->flags, pe_rsc_provisional)) { return rsc->fns->location(rsc, NULL, FALSE); } else if(is_set(rsc->flags, pe_rsc_allocating)) { crm_debug("Dependancy loop detected involving %s", rsc->id); return NULL; } if(rsc->allowed_nodes) { slist_iter(try_node, node_t, rsc->allowed_nodes, lpc, can_run_instance(rsc, try_node); ); } chosen = rsc->cmds->color(rsc, data_set); if(chosen) { local_node = pe_find_node_id( rsc->parent->allowed_nodes, chosen->details->id); if(local_node) { local_node->count++; } else if(is_set(rsc->flags, pe_rsc_managed)) { /* what to do? we can't enforce per-node limits in this case */ crm_config_err("%s not found in %s (list=%d)", chosen->details->id, rsc->parent->id, g_list_length(rsc->parent->allowed_nodes)); } } return chosen; } static void append_parent_colocation(resource_t *rsc, resource_t *child) { slist_iter(cons, rsc_colocation_t, rsc->rsc_cons, lpc, child->rsc_cons = g_list_append(child->rsc_cons, cons)); slist_iter(cons, rsc_colocation_t, rsc->rsc_cons_lhs, lpc, child->rsc_cons_lhs = g_list_append(child->rsc_cons_lhs, cons)); } node_t * clone_color(resource_t *rsc, pe_working_set_t *data_set) { int allocated = 0; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); if(is_not_set(rsc->flags, pe_rsc_provisional)) { return NULL; } else if(is_set(rsc->flags, pe_rsc_allocating)) { crm_debug("Dependancy loop detected involving %s", rsc->id); return NULL; } set_bit(rsc->flags, pe_rsc_allocating); crm_debug_2("Processing %s", rsc->id); /* this information is used by sort_clone_instance() when deciding in which * order to allocate clone instances */ slist_iter( constraint, rsc_colocation_t, rsc->rsc_cons_lhs, lpc, rsc->allowed_nodes = constraint->rsc_lh->cmds->merge_weights( constraint->rsc_lh, rsc->id, rsc->allowed_nodes, constraint->score/INFINITY, TRUE); ); dump_node_scores(LOG_DEBUG_2, rsc, __FUNCTION__, rsc->allowed_nodes); /* count now tracks the number of clones currently allocated */ slist_iter(node, node_t, rsc->allowed_nodes, lpc, node->count = 0; ); slist_iter(child, resource_t, rsc->children, lpc, if(g_list_length(child->running_on) > 0) { node_t *child_node = child->running_on->data; node_t *local_node = parent_node_instance( child, child->running_on->data); if(local_node) { local_node->count++; } else { crm_err("%s is running on %s which isn't allowed", child->id, child_node->details->uname); } } ); rsc->children = g_list_sort(rsc->children, sort_clone_instance); /* count now tracks the number of clones we have allocated */ slist_iter(node, node_t, rsc->allowed_nodes, lpc, node->count = 0; ); rsc->allowed_nodes = g_list_sort( rsc->allowed_nodes, sort_node_weight); slist_iter(child, resource_t, rsc->children, lpc, if(allocated >= clone_data->clone_max) { crm_debug("Child %s not allocated - limit reached", child->id); resource_location(child, NULL, -INFINITY, "clone_color:limit_reached", data_set); } else { append_parent_colocation(rsc, child); } if(color_instance(child, data_set)) { allocated++; } ); crm_debug("Allocated %d %s instances of a possible %d", allocated, rsc->id, clone_data->clone_max); clear_bit(rsc->flags, pe_rsc_provisional); clear_bit(rsc->flags, pe_rsc_allocating); return NULL; } static void clone_update_pseudo_status( resource_t *child, gboolean *stopping, gboolean *starting) { CRM_ASSERT(stopping != NULL); CRM_ASSERT(starting != NULL); slist_iter( action, action_t, child->actions, lpc, if(*starting && *stopping) { return; } else if(action->optional) { crm_debug_3("Skipping optional: %s", action->uuid); continue; } else if(action->pseudo == FALSE && action->runnable == FALSE){ crm_debug_3("Skipping unrunnable: %s", action->uuid); continue; } else if(safe_str_eq(CRMD_ACTION_STOP, action->task)) { crm_debug_2("Stopping due to: %s", action->uuid); *stopping = TRUE; } else if(safe_str_eq(CRMD_ACTION_START, action->task)) { if(action->runnable == FALSE) { crm_debug_3("Skipping pseudo-op: %s run=%d, pseudo=%d", action->uuid, action->runnable, action->pseudo); } else { crm_debug_2("Starting due to: %s", action->uuid); crm_debug_3("%s run=%d, pseudo=%d", action->uuid, action->runnable, action->pseudo); *starting = TRUE; } } ); } void clone_create_actions(resource_t *rsc, pe_working_set_t *data_set) { gboolean child_starting = FALSE; gboolean child_stopping = FALSE; action_t *stop = NULL; action_t *start = NULL; action_t *action_complete = NULL; resource_t *last_start_rsc = NULL; resource_t *last_stop_rsc = NULL; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); crm_debug_2("Creating actions for %s", rsc->id); slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->create_actions(child_rsc, data_set); clone_update_pseudo_status( child_rsc, &child_stopping, &child_starting); if(is_set(child_rsc->flags, pe_rsc_starting)) { last_start_rsc = child_rsc; } if(is_set(child_rsc->flags, pe_rsc_stopping)) { last_stop_rsc = child_rsc; } ); /* start */ start = start_action(rsc, NULL, !child_starting); action_complete = custom_action( rsc, started_key(rsc), CRMD_ACTION_STARTED, NULL, !child_starting, TRUE, data_set); start->pseudo = TRUE; start->runnable = TRUE; action_complete->pseudo = TRUE; action_complete->runnable = TRUE; action_complete->priority = INFINITY; /* crm_err("Upgrading priority for %s to INFINITY", action_complete->uuid); */ child_starting_constraints(clone_data, rsc, NULL, last_start_rsc, data_set); clone_create_notifications( rsc, start, action_complete, data_set); /* stop */ stop = stop_action(rsc, NULL, !child_stopping); action_complete = custom_action( rsc, stopped_key(rsc), CRMD_ACTION_STOPPED, NULL, !child_stopping, TRUE, data_set); stop->pseudo = TRUE; stop->runnable = TRUE; action_complete->pseudo = TRUE; action_complete->runnable = TRUE; action_complete->priority = INFINITY; /* crm_err("Upgrading priority for %s to INFINITY", action_complete->uuid); */ child_stopping_constraints(clone_data, rsc, NULL, last_stop_rsc, data_set); clone_create_notifications(rsc, stop, action_complete, data_set); rsc->actions = rsc->actions; if(stop->post_notified != NULL && start->pre_notify != NULL) { order_actions(stop->post_notified, start->pre_notify, pe_order_optional); } } void clone_create_notifications( resource_t *rsc, action_t *action, action_t *action_complete, pe_working_set_t *data_set) { /* * pre_notify -> pre_notify_complete -> pseudo_action * -> (real actions) -> pseudo_action_complete * -> post_notify -> post_notify_complete * * if the pre_noitfy requires confirmation, * then a list of confirmations will be added as triggers * to pseudo_action in clone_expand() */ action_t *notify = NULL; action_t *notify_complete = NULL; enum action_tasks task; char *notify_key = NULL; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); if(is_not_set(rsc->flags, pe_rsc_notify)) { return; } task = text2task(action->task); /* create pre_notify */ notify_key = generate_notify_key( rsc->id, "pre", action->task); notify = custom_action(rsc, notify_key, CRMD_ACTION_NOTIFY, NULL, action->optional, TRUE, data_set); add_hash_param(notify->meta, "notify_type", "pre"); add_hash_param(notify->meta, "notify_operation", action->task); if(clone_data->notify_confirm) { add_hash_param(notify->meta, "notify_confirm", "yes"); } else { add_hash_param(notify->meta, "notify_confirm", "no"); } /* create pre_notify_complete */ notify_key = generate_notify_key( rsc->id, "confirmed-pre", action->task); notify_complete = custom_action(rsc, notify_key, CRMD_ACTION_NOTIFIED, NULL, action->optional, TRUE, data_set); add_hash_param(notify_complete->meta, "notify_type", "pre"); add_hash_param(notify_complete->meta, "notify_operation", action->task); if(clone_data->notify_confirm) { add_hash_param(notify->meta, "notify_confirm", "yes"); } else { add_hash_param(notify->meta, "notify_confirm", "no"); } notify->pseudo = TRUE; notify->runnable = TRUE; notify_complete->pseudo = TRUE; notify_complete->runnable = TRUE; /* pre_notify before pre_notify_complete */ custom_action_order( rsc, NULL, notify, rsc, NULL, notify_complete, - pe_order_implies_left, data_set); + pe_order_optional, data_set); /* pre_notify_complete before action */ custom_action_order( rsc, NULL, notify_complete, rsc, NULL, action, - pe_order_implies_left, data_set); + pe_order_optional, data_set); action->pre_notify = notify; action->pre_notified = notify_complete; /* create post_notify */ notify_key = generate_notify_key (rsc->id, "post", action->task); notify = custom_action(rsc, notify_key, CRMD_ACTION_NOTIFY, NULL, action_complete->optional, TRUE, data_set); add_hash_param(notify->meta, "notify_type", "post"); add_hash_param(notify->meta, "notify_operation", action->task); if(clone_data->notify_confirm) { add_hash_param(notify->meta, "notify_confirm", "yes"); } else { add_hash_param(notify->meta, "notify_confirm", "no"); } /* action_complete before post_notify */ custom_action_order( rsc, NULL, action_complete, rsc, NULL, notify, - pe_order_implies_right, data_set); + pe_order_optional, data_set); /* create post_notify_complete */ notify_key = generate_notify_key( rsc->id, "confirmed-post", action->task); notify_complete = custom_action(rsc, notify_key, CRMD_ACTION_NOTIFIED, NULL, action->optional, TRUE, data_set); add_hash_param(notify_complete->meta, "notify_type", "pre"); add_hash_param(notify_complete->meta, "notify_operation", action->task); if(clone_data->notify_confirm) { add_hash_param(notify->meta, "notify_confirm", "yes"); } else { add_hash_param(notify->meta, "notify_confirm", "no"); } notify->pseudo = TRUE; notify->runnable = TRUE; notify->priority = INFINITY; notify->runnable = action_complete->runnable; notify_complete->pseudo = TRUE; notify_complete->runnable = TRUE; notify_complete->priority = INFINITY; notify_complete->runnable = action_complete->runnable; /* post_notify before post_notify_complete */ custom_action_order( rsc, NULL, notify, rsc, NULL, notify_complete, - pe_order_implies_left, data_set); + pe_order_optional, data_set); action->post_notify = notify; action->post_notified = notify_complete; if(safe_str_eq(action->task, CRMD_ACTION_STOP)) { /* post_notify_complete before start */ custom_action_order( rsc, NULL, notify_complete, rsc, start_key(rsc), NULL, pe_order_optional, data_set); } else if(safe_str_eq(action->task, CRMD_ACTION_START)) { /* post_notify_complete before promote */ custom_action_order( rsc, NULL, notify_complete, rsc, promote_key(rsc), NULL, pe_order_optional, data_set); } else if(safe_str_eq(action->task, CRMD_ACTION_DEMOTE)) { /* post_notify_complete before promote */ custom_action_order( rsc, NULL, notify_complete, rsc, stop_key(rsc), NULL, pe_order_optional, data_set); } } void child_starting_constraints( clone_variant_data_t *clone_data, resource_t *rsc, resource_t *child, resource_t *last, pe_working_set_t *data_set) { if(child == NULL && last == NULL) { crm_debug("%s has no active children", rsc->id); return; } if(child != NULL) { order_start_start(rsc, child, pe_order_runnable_left); custom_action_order( child, start_key(child), NULL, rsc, started_key(rsc), NULL, pe_order_optional, data_set); } if(clone_data->ordered) { if(child == NULL) { /* last child start before global started */ custom_action_order( last, start_key(last), NULL, rsc, started_key(rsc), NULL, pe_order_runnable_left, data_set); } else if(last == NULL) { /* global start before first child start */ order_start_start( rsc, child, pe_order_implies_left); } else { /* child/child relative start */ order_start_start(last, child, pe_order_implies_left); } } } void child_stopping_constraints( clone_variant_data_t *clone_data, resource_t *rsc, resource_t *child, resource_t *last, pe_working_set_t *data_set) { if(child == NULL && last == NULL) { crm_debug("%s has no active children", rsc->id); return; } if(child != NULL) { order_stop_stop(rsc, child, pe_order_shutdown); custom_action_order( child, stop_key(child), NULL, rsc, stopped_key(rsc), NULL, pe_order_optional, data_set); } if(clone_data->ordered) { if(last == NULL) { /* first child stop before global stopped */ custom_action_order( child, stop_key(child), NULL, rsc, stopped_key(rsc), NULL, pe_order_runnable_left, data_set); } else if(child == NULL) { /* global stop before last child stop */ order_stop_stop( rsc, last, pe_order_implies_left); } else { /* child/child relative stop */ order_stop_stop(child, last, pe_order_implies_left); } } } void clone_internal_constraints(resource_t *rsc, pe_working_set_t *data_set) { resource_t *last_rsc = NULL; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); native_internal_constraints(rsc, data_set); /* global stop before stopped */ custom_action_order( rsc, stop_key(rsc), NULL, rsc, stopped_key(rsc), NULL, pe_order_runnable_left, data_set); /* global start before started */ custom_action_order( rsc, start_key(rsc), NULL, rsc, started_key(rsc), NULL, pe_order_runnable_left, data_set); /* global stopped before start */ custom_action_order( rsc, stopped_key(rsc), NULL, rsc, start_key(rsc), NULL, pe_order_optional, data_set); slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->internal_constraints(child_rsc, data_set); child_starting_constraints( clone_data, rsc, child_rsc, last_rsc, data_set); child_stopping_constraints( clone_data, rsc, child_rsc, last_rsc, data_set); last_rsc = child_rsc; ); } resource_t* find_compatible_child( resource_t *local_child, resource_t *rsc, enum rsc_role_e filter, gboolean current) { node_t *local_node = NULL; node_t *node = NULL; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); local_node = local_child->fns->location(local_child, NULL, current); if(local_node == NULL) { crm_debug("Can't colocate unrunnable child %s with %s", local_child->id, rsc->id); return NULL; } slist_iter( child_rsc, resource_t, rsc->children, lpc, enum rsc_role_e next_role = child_rsc->fns->state(child_rsc, current); node = child_rsc->fns->location(child_rsc, NULL, current); if(filter != RSC_ROLE_UNKNOWN && next_role != filter) { crm_debug_2("Filtered %s", child_rsc->id); continue; } if(node && local_node && node->details == local_node->details) { crm_info("Colocating %s with %s on %s", local_child->id, child_rsc->id, node->details->uname); return child_rsc; } ); crm_debug("Can't colocate child %s with %s", local_child->id, rsc->id); return NULL; } void clone_rsc_colocation_lh( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { gboolean do_interleave = FALSE; resource_t *rsc = constraint->rsc_lh; clone_variant_data_t *clone_data = NULL; clone_variant_data_t *clone_data_rh = NULL; if(rsc == NULL) { pe_err("rsc_lh was NULL for %s", constraint->id); return; } else if(constraint->rsc_rh == NULL) { pe_err("rsc_rh was NULL for %s", constraint->id); return; } else { crm_debug_4("Processing constraints from %s", rsc->id); } get_clone_variant_data(clone_data, rsc); if(constraint->rsc_rh->variant == pe_clone || constraint->rsc_rh->variant == pe_master) { get_clone_variant_data( clone_data_rh, constraint->rsc_rh); if(clone_data->clone_node_max != clone_data_rh->clone_node_max) { crm_config_err("Cannot interleave "XML_CIB_TAG_INCARNATION " %s and %s because" " they do not support the same number of" " resources per node", constraint->rsc_lh->id, constraint->rsc_rh->id); /* only the LHS side needs to be labeled as interleave */ } else if(clone_data->interleave) { do_interleave = TRUE; } else if(constraint->score >= INFINITY) { GListPtr lhs = NULL, rhs = NULL; lhs = rsc_lh->allowed_nodes; slist_iter( child_rsc, resource_t, rsc_rh->children, lpc, node_t *chosen = child_rsc->fns->location(child_rsc, NULL, FALSE); if(chosen != NULL) { rhs = g_list_append(rhs, chosen); } ); rsc_lh->allowed_nodes = node_list_and(lhs, rhs, FALSE); pe_free_shallow_adv(rhs, FALSE); pe_free_shallow(lhs); return; } } else if(constraint->score >= INFINITY) { crm_config_err("Manditory co-location of clones (%s) with other" " non-clone (%s) resources is not supported", rsc_lh->id, rsc_rh->id); return; } if(do_interleave) { resource_t *rh_child = NULL; slist_iter(lh_child, resource_t, rsc->children, lpc, CRM_ASSERT(lh_child != NULL); rh_child = find_compatible_child( lh_child, rsc_rh, RSC_ROLE_UNKNOWN, FALSE); if(rh_child == NULL) { crm_debug_2("No match found for %s", lh_child->id); continue; } crm_debug("Interleaving %s with %s", lh_child->id, rh_child->id); lh_child->cmds->rsc_colocation_lh( lh_child, rh_child, constraint); ); return; } slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->rsc_colocation_lh(child_rsc, constraint->rsc_rh, constraint); ); } void clone_rsc_colocation_rh( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { clone_variant_data_t *clone_data = NULL; CRM_CHECK(rsc_lh != NULL, return); CRM_CHECK(rsc_lh->variant == pe_native, return); get_clone_variant_data(clone_data, rsc_rh); crm_debug_3("Processing constraint %s: %d", constraint->id, constraint->score); if(rsc_rh == NULL) { pe_err("rsc_rh was NULL for %s", constraint->id); return; } else if(is_set(rsc_rh->flags, pe_rsc_provisional)) { crm_debug_3("%s is still provisional", rsc_rh->id); return; } else if(constraint->score >= INFINITY) { GListPtr lhs = NULL, rhs = NULL; lhs = rsc_lh->allowed_nodes; slist_iter( child_rsc, resource_t, rsc_rh->children, lpc, node_t *chosen = child_rsc->fns->location(child_rsc, NULL, FALSE); if(chosen != NULL) { rhs = g_list_append(rhs, chosen); } ); rsc_lh->allowed_nodes = node_list_and(lhs, rhs, FALSE); pe_free_shallow_adv(rhs, FALSE); pe_free_shallow(lhs); return; } slist_iter( child_rsc, resource_t, rsc_rh->children, lpc, child_rsc->cmds->rsc_colocation_rh(rsc_lh, child_rsc, constraint); ); } void clone_rsc_order_lh(resource_t *rsc, order_constraint_t *order, pe_working_set_t *data_set) { resource_t *r1 = NULL; resource_t *r2 = NULL; gboolean do_interleave = FALSE; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); crm_debug_2("%s->%s", order->lh_action_task, order->rh_action_task); r1 = uber_parent(rsc); r2 = uber_parent(order->rh_rsc); if(r1 == r2) { native_rsc_order_lh(rsc, order, data_set); return; } if(order->rh_rsc->variant == pe_clone || order->rh_rsc->variant == pe_master) { clone_variant_data_t *clone_data_rh = NULL; get_clone_variant_data(clone_data_rh, order->rh_rsc); if(clone_data->clone_node_max != clone_data_rh->clone_node_max) { crm_config_err("Cannot interleave "XML_CIB_TAG_INCARNATION " %s and %s because they do not support the same" " number of resources per node", rsc->id, order->rh_rsc->id); /* only the LHS side needs to be labeled as interleave */ } else if(clone_data->interleave) { do_interleave = TRUE; } } if(do_interleave && order->rh_rsc) { resource_t *lh_child = NULL; resource_t *rh_saved = order->rh_rsc; gboolean current = FALSE; if(strstr(order->lh_action_task, "_stop_0") || strstr(order->lh_action_task, "_demote_0")) { current = TRUE; } slist_iter( rh_child, resource_t, rh_saved->children, lpc, CRM_ASSERT(rh_child != NULL); lh_child = find_compatible_child(rh_child, rsc, RSC_ROLE_UNKNOWN, current); if(lh_child == NULL) { crm_debug_2("No match found for %s", rh_child->id); continue; } crm_debug("Interleaving %s with %s", lh_child->id, rh_child->id); order->rh_rsc = rh_child; lh_child->cmds->rsc_order_lh(lh_child, order, data_set); order->rh_rsc = rh_saved; ); } else { #if 0 if(order->type != pe_order_optional) { crm_debug("Upgraded ordering constraint %d - 0x%.6x", order->id, order->type); native_rsc_order_lh(rsc, order, data_set); } #endif if(order->type & pe_order_implies_left) { if(rsc->variant == order->rh_rsc->variant) { crm_debug_2("Clone-to-clone ordering: %s -> %s 0x%.6x", order->lh_action_task, order->rh_action_task, order->type); /* stop instances on the same nodes as stopping RHS instances */ slist_iter( child_rsc, resource_t, rsc->children, lpc, native_rsc_order_lh(child_rsc, order, data_set); ); } else { /* stop everything */ crm_debug_2("Clone-to-* ordering: %s -> %s 0x%.6x", order->lh_action_task, order->rh_action_task, order->type); slist_iter( child_rsc, resource_t, rsc->children, lpc, native_rsc_order_lh(child_rsc, order, data_set); ); } } convert_non_atomic_task(rsc, order, FALSE); native_rsc_order_lh(rsc, order, data_set); } if(is_set(rsc->flags, pe_rsc_notify)) { order->type = pe_order_optional; convert_non_atomic_task(rsc, order, TRUE); native_rsc_order_lh(rsc, order, data_set); } } void clone_rsc_order_rh( action_t *lh_action, resource_t *rsc, order_constraint_t *order) { clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); crm_debug_2("%s->%s", lh_action->uuid, order->rh_action_task); native_rsc_order_rh(lh_action, rsc, order); } void clone_rsc_location(resource_t *rsc, rsc_to_node_t *constraint) { clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); crm_debug_3("Processing location constraint %s for %s", constraint->id, rsc->id); native_rsc_location(rsc, constraint); slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->rsc_location(child_rsc, constraint); ); } 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 void expand_list(GListPtr list, int clones, char **rsc_list, char **node_list, char **uuid_list) { const char *uname = NULL; const char *rsc_id = NULL; const char *last_rsc_id = NULL; CRM_CHECK(list != NULL, return); if(rsc_list) { CRM_CHECK(*rsc_list == NULL, *rsc_list = NULL); } if(node_list) { CRM_CHECK(*node_list == NULL, *node_list = NULL); } slist_iter(entry, notify_entry_t, list, lpc, CRM_CHECK(entry != NULL, continue); CRM_CHECK(entry->rsc != NULL, continue); CRM_CHECK(entry->node != NULL, continue); rsc_id = entry->rsc->id; uname = entry->node->details->uname; CRM_ASSERT(uname != NULL); 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 && *rsc_list) { existing_len = strlen(*rsc_list); } crm_debug_5("Adding %s (%dc) at offset %d", rsc_id, len-2, existing_len); crm_realloc(*rsc_list, len + existing_len); sprintf(*rsc_list + existing_len, "%s ", rsc_id); } if(node_list != NULL) { int existing_len = 0; int len = 2 + strlen(uname); if(node_list && *node_list) { existing_len = strlen(*node_list); } crm_debug_5("Adding %s (%dc) at offset %d", uname, len-2, existing_len); crm_realloc(*node_list, len + existing_len); sprintf(*node_list + existing_len, "%s ", uname); } ); } static void mark_notifications_required(resource_t *rsc, enum action_tasks task, gboolean top) { char *key = NULL; char *key_complete = NULL; const char *task_s = task2text(task); if(top) { key = generate_op_key(rsc->id, task_s, 0); key_complete = generate_op_key(rsc->id, task2text(task+1), 0); } slist_iter(action, action_t, rsc->actions, lpc, if(action->optional == FALSE) { continue; } if(safe_str_eq(action->uuid, key) || safe_str_eq(action->uuid, key_complete)) { crm_debug_3("Marking top-level action %s as required", action->uuid); action->optional = FALSE; } if(strstr(action->uuid, task_s)) { if(safe_str_eq(CRMD_ACTION_NOTIFIED, action->task) || safe_str_eq(CRMD_ACTION_NOTIFY, action->task)) { crm_debug_3("Marking %s as required", action->uuid); action->optional = FALSE; } } ); slist_iter( child, resource_t, rsc->children, lpc, mark_notifications_required(child, task, FALSE); ); } void clone_expand(resource_t *rsc, pe_working_set_t *data_set) { char *rsc_list = NULL; char *node_list = NULL; char *uuid_list = NULL; notify_data_t *n_data = NULL; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); crm_malloc0(n_data, sizeof(notify_data_t)); n_data->keys = g_hash_table_new_full( g_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); crm_debug_2("Processing actions from %s", rsc->id); if(is_set(rsc->flags, pe_rsc_notify)) { slist_iter( child_rsc, resource_t, rsc->children, lpc, slist_iter( op, action_t, rsc->actions, lpc2, child_rsc->cmds->create_notify_element( child_rsc, op, n_data, data_set); ); ); } /* expand the notify data */ if(is_set(rsc->flags, pe_rsc_notify) && n_data->stop) { n_data->stop = g_list_sort( n_data->stop, sort_notify_entries); rsc_list = NULL; node_list = NULL; expand_list(n_data->stop, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_stop_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_stop_uname"), node_list); if(rsc_list != NULL) { mark_notifications_required(rsc, stop_rsc, TRUE); } } if(is_set(rsc->flags, pe_rsc_notify) && n_data->start) { n_data->start = g_list_sort( n_data->start, sort_notify_entries); rsc_list = NULL; node_list = NULL; expand_list(n_data->start, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_start_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_start_uname"), node_list); mark_notifications_required(rsc, start_rsc, TRUE); } if(is_set(rsc->flags, pe_rsc_notify) && n_data->demote) { n_data->demote = g_list_sort( n_data->demote, sort_notify_entries); rsc_list = NULL; node_list = NULL; expand_list(n_data->demote, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_demote_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_demote_uname"), node_list); mark_notifications_required(rsc, action_demote, TRUE); } if(is_set(rsc->flags, pe_rsc_notify) && n_data->promote) { n_data->promote = g_list_sort( n_data->promote, sort_notify_entries); rsc_list = NULL; node_list = NULL; uuid_list = NULL; expand_list(n_data->promote, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_promote_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_promote_uname"), node_list); mark_notifications_required(rsc, action_promote, TRUE); } if(is_set(rsc->flags, pe_rsc_notify) && n_data->active) { n_data->active = g_list_sort( n_data->active, sort_notify_entries); rsc_list = NULL; node_list = NULL; uuid_list = NULL; expand_list(n_data->active, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_active_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_active_uname"), node_list); } if(is_set(rsc->flags, pe_rsc_notify) && n_data->slave) { n_data->slave = g_list_sort( n_data->slave, sort_notify_entries); rsc_list = NULL; node_list = NULL; uuid_list = NULL; expand_list(n_data->slave, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_slave_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_slave_uname"), node_list); } if(is_set(rsc->flags, pe_rsc_notify) && n_data->master) { n_data->master = g_list_sort( n_data->master, sort_notify_entries); rsc_list = NULL; node_list = NULL; uuid_list = NULL; expand_list(n_data->master, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_master_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_master_uname"), node_list); } if(is_set(rsc->flags, pe_rsc_notify) && n_data->inactive) { n_data->inactive = g_list_sort( n_data->inactive, sort_notify_entries); rsc_list = NULL; node_list = NULL; uuid_list = NULL; expand_list(n_data->inactive, clone_data->clone_max, &rsc_list, &node_list, &uuid_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_inactive_resource"), rsc_list); g_hash_table_insert( n_data->keys, crm_strdup("notify_inactive_uname"), node_list); } /* yes, we DO need this second loop */ slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->expand(child_rsc, data_set); ); /* slist_iter( */ /* action, action_t, rsc->actions, lpc2, */ /* if(safe_str_eq(action->task, CRMD_ACTION_NOTIFY)) { */ /* action->meta_xml = notify_xml; */ /* } */ /* ); */ native_expand(rsc, data_set); /* destroy the notify_data */ pe_free_shallow(n_data->stop); pe_free_shallow(n_data->start); pe_free_shallow(n_data->demote); pe_free_shallow(n_data->promote); pe_free_shallow(n_data->master); pe_free_shallow(n_data->slave); pe_free_shallow(n_data->active); pe_free_shallow(n_data->inactive); g_hash_table_destroy(n_data->keys); crm_free(n_data); } static gint sort_rsc_id(gconstpointer a, gconstpointer b) { const resource_t *resource1 = (const resource_t*)a; const resource_t *resource2 = (const resource_t*)b; CRM_ASSERT(resource1 != NULL); CRM_ASSERT(resource2 != NULL); return strcmp(resource1->id, resource2->id); } static resource_t *find_instance_on(resource_t *rsc, node_t *node) { slist_iter(child, resource_t, rsc->children, lpc, slist_iter(known ,node_t, child->known_on, lpc2, if(node->details == known->details) { return child; } ); ); return NULL; } gboolean clone_create_probe(resource_t *rsc, node_t *node, action_t *complete, gboolean force, pe_working_set_t *data_set) { gboolean any_created = FALSE; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); rsc->children = g_list_sort(rsc->children, sort_rsc_id); if(is_not_set(rsc->flags, pe_rsc_unique) && clone_data->clone_node_max == 1) { /* only look for one copy */ resource_t *child = NULL; /* Try whoever we probed last time */ child = find_instance_on(rsc, node); if(child) { return child->cmds->create_probe( child, node, complete, force, data_set); } /* Try whoever we plan on starting there */ slist_iter( child_rsc, resource_t, rsc->children, lpc, node_t *local_node = child_rsc->fns->location(child_rsc, NULL, FALSE); if(local_node == NULL) { continue; } if(local_node->details == node->details) { return child_rsc->cmds->create_probe( child_rsc, node, complete, force, data_set); } ); /* Fall back to the first clone instance */ child = rsc->children->data; return child->cmds->create_probe(child, node, complete, force, data_set); } slist_iter( child_rsc, resource_t, rsc->children, lpc, if(child_rsc->cmds->create_probe( child_rsc, node, complete, force, data_set)) { any_created = TRUE; } if(any_created && is_not_set(rsc->flags, pe_rsc_unique) && clone_data->clone_node_max == 1) { /* only look for one copy (clone :0) */ break; } ); return any_created; }