diff --git a/pengine/master.c b/pengine/master.c index beb9e7d46e..c4c32f0c8c 100644 --- a/pengine/master.c +++ b/pengine/master.c @@ -1,794 +1,821 @@ /* * 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 extern gint sort_clone_instance(gconstpointer a, gconstpointer b); extern void clone_create_notifications( resource_t *rsc, action_t *action, action_t *action_complete, pe_working_set_t *data_set); extern int master_score(resource_t *rsc, node_t *node, int not_set_value); static void child_promoting_constraints( clone_variant_data_t *clone_data, enum pe_ordering type, resource_t *rsc, resource_t *child, resource_t *last, pe_working_set_t *data_set) { /* if(clone_data->ordered */ /* || clone_data->self->restart_type == pe_restart_restart) { */ /* type = pe_order_implies_left; */ /* } */ if(child == NULL) { if(clone_data->ordered && last != NULL) { crm_debug_4("Ordered version (last node)"); /* last child promote before promoted started */ custom_action_order( last, promote_key(last), NULL, rsc, promoted_key(rsc), NULL, type, data_set); } } else if(clone_data->ordered) { crm_debug_4("Ordered version"); if(last == NULL) { /* global promote before first child promote */ last = rsc; } /* else: child/child relative promote */ order_start_start(last, child, type); custom_action_order( last, promote_key(last), NULL, child, promote_key(child), NULL, type, data_set); } else { crm_debug_4("Un-ordered version"); /* child promote before global promoted */ custom_action_order( child, promote_key(child), NULL, rsc, promoted_key(rsc), NULL, type, data_set); /* global promote before child promote */ custom_action_order( rsc, promote_key(rsc), NULL, child, promote_key(child), NULL, type, data_set); } } static void child_demoting_constraints( clone_variant_data_t *clone_data, enum pe_ordering type, resource_t *rsc, resource_t *child, resource_t *last, pe_working_set_t *data_set) { /* if(clone_data->ordered */ /* || clone_data->self->restart_type == pe_restart_restart) { */ /* type = pe_order_implies_left; */ /* } */ if(child == NULL) { if(clone_data->ordered && last != NULL) { crm_debug_4("Ordered version (last node)"); /* global demote before first child demote */ custom_action_order( rsc, demote_key(rsc), NULL, last, demote_key(last), NULL, pe_order_implies_left, data_set); } } else if(clone_data->ordered && last != NULL) { crm_debug_4("Ordered version"); /* child/child relative demote */ custom_action_order(child, demote_key(child), NULL, last, demote_key(last), NULL, type, data_set); } else if(clone_data->ordered) { crm_debug_4("Ordered version (1st node)"); /* first child stop before global stopped */ custom_action_order( child, demote_key(child), NULL, rsc, demoted_key(rsc), NULL, type, data_set); } else { crm_debug_4("Un-ordered version"); /* child demote before global demoted */ custom_action_order( child, demote_key(child), NULL, rsc, demoted_key(rsc), NULL, type, data_set); /* global demote before child demote */ custom_action_order( rsc, demote_key(rsc), NULL, child, demote_key(child), NULL, type, data_set); } } static void master_update_pseudo_status( resource_t *child, gboolean *demoting, gboolean *promoting) { CRM_ASSERT(demoting != NULL); CRM_ASSERT(promoting != NULL); slist_iter( action, action_t, child->actions, lpc, if(*promoting && *demoting) { return; } else if(action->optional) { continue; } else if(safe_str_eq(CRMD_ACTION_DEMOTE, action->task)) { *demoting = TRUE; } else if(safe_str_eq(CRMD_ACTION_PROMOTE, action->task)) { *promoting = TRUE; } ); } #define apply_master_location(list) \ slist_iter( \ cons, rsc_to_node_t, list, lpc2, \ cons_node = NULL; \ if(cons->role_filter == RSC_ROLE_MASTER) { \ crm_debug("Applying %s to %s", \ cons->id, child_rsc->id); \ cons_node = pe_find_node_id( \ cons->node_list_rh, chosen->details->id); \ } \ if(cons_node != NULL) { \ int new_priority = merge_weights( \ child_rsc->priority, cons_node->weight); \ crm_debug("\t%s: %d->%d (%d)", child_rsc->id, \ child_rsc->priority, new_priority, cons_node->weight); \ child_rsc->priority = new_priority; \ } \ ); +static resource_t * +ultimate_parent(resource_t *rsc) +{ + resource_t *parent = rsc; + while(parent->parent) { + parent = parent->parent; + } + return parent; +} + + static node_t * can_be_master(resource_t *rsc) { node_t *node = NULL; node_t *local_node = NULL; + resource_t *parent = ultimate_parent(rsc); clone_variant_data_t *clone_data = NULL; int level = LOG_DEBUG_2; +#if 0 + enum rsc_role_e role = RSC_ROLE_UNKNOWN; + role = rsc->fns->state(rsc, FALSE); + crm_info("%s role: %s", rsc->id, role2text(role)); +#endif + + if(rsc->children) { + slist_iter( + child, resource_t, rsc->children, lpc, + if(can_be_master(child) == NULL) { + do_crm_log(level, "Child %s of %s can't be promoted", child->id, rsc->id); + return NULL; + } + ); + } node = rsc->fns->location(rsc, NULL, FALSE); if(rsc->priority < 0) { do_crm_log(level, "%s cannot be master: preference: %d", rsc->id, rsc->priority); return NULL; } else if(node == NULL) { do_crm_log(level, "%s cannot be master: not allocated", rsc->id); return NULL; } else if(can_run_resources(node) == FALSE) { do_crm_log(level, "Node cant run any resources: %s", node->details->uname); return NULL; } - - get_clone_variant_data(clone_data, rsc->parent); + + get_clone_variant_data(clone_data, parent); local_node = pe_find_node_id( - rsc->parent->allowed_nodes, node->details->id); + parent->allowed_nodes, node->details->id); if(local_node == NULL) { crm_err("%s cannot run on %s: node not allowed", rsc->id, node->details->uname); return NULL; } else if(local_node->count < clone_data->master_node_max) { return local_node; } else { do_crm_log(level, "%s cannot be master on %s: node full", rsc->id, node->details->uname); } return NULL; } static gint sort_master_instance(gconstpointer a, gconstpointer b) { int rc; enum rsc_role_e role1 = RSC_ROLE_UNKNOWN; enum rsc_role_e role2 = RSC_ROLE_UNKNOWN; const resource_t *resource1 = (const resource_t*)a; const resource_t *resource2 = (const resource_t*)b; CRM_ASSERT(resource1 != NULL); CRM_ASSERT(resource2 != NULL); role1 = resource1->fns->state(resource1, TRUE); role2 = resource2->fns->state(resource2, TRUE); rc = sort_rsc_index(a, b); if( rc != 0 ) { return rc; } if(role1 > role2) { return -1; } else if(role1 < role2) { return 1; } return sort_clone_instance(a, b); } static void master_promotion_order(resource_t *rsc) { node_t *node = NULL; node_t *chosen = NULL; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); if(clone_data->merged_master_weights) { return; } clone_data->merged_master_weights = TRUE; crm_info("Merging weights for %s", rsc->id); slist_iter( child, resource_t, rsc->children, lpc, crm_debug_2("%s: %d", child->id, child->sort_index); ); dump_node_scores(LOG_DEBUG_3, rsc, "Before", rsc->allowed_nodes); #if 1 slist_iter( child, resource_t, rsc->children, lpc, chosen = child->fns->location(child, NULL, FALSE); if(chosen == NULL || child->sort_index < 0) { crm_debug_3("Skipping %s", child->id); continue; } node = (node_t*)pe_find_node_id( rsc->allowed_nodes, chosen->details->id); CRM_ASSERT(node != NULL); node->weight = merge_weights(child->sort_index, node->weight); ); dump_node_scores(LOG_DEBUG_3, rsc, "Middle", rsc->allowed_nodes); #endif slist_iter( constraint, rsc_colocation_t, rsc->rsc_cons_lhs, lpc, if(constraint->role_rh == RSC_ROLE_MASTER) { 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_3, rsc, "After", rsc->allowed_nodes); /* write them back and sort */ slist_iter( child, resource_t, rsc->children, lpc, chosen = child->fns->location(child, NULL, FALSE); if(chosen == NULL || child->sort_index < 0) { crm_debug_2("%s: %d", child->id, child->sort_index); continue; } node = (node_t*)pe_find_node_id( rsc->allowed_nodes, chosen->details->id); CRM_ASSERT(node != NULL); child->sort_index = node->weight; crm_debug_2("%s: %d", child->id, child->sort_index); ); rsc->children = g_list_sort(rsc->children, sort_master_instance); } int master_score(resource_t *rsc, node_t *node, int not_set_value) { char *attr_name; const char *attr_value; int score = not_set_value, len = 0; len = 8 + strlen(rsc->id); crm_malloc0(attr_name, len); sprintf(attr_name, "master-%s", rsc->id); crm_debug_3("looking for %s on %s", attr_name, node->details->uname); attr_value = g_hash_table_lookup( node->details->attrs, attr_name); if(attr_value == NULL) { crm_free(attr_name); len = 8 + strlen(rsc->long_name); crm_malloc0(attr_name, len); sprintf(attr_name, "master-%s", rsc->long_name); crm_debug_3("looking for %s on %s", attr_name, node->details->uname); attr_value = g_hash_table_lookup( node->details->attrs, attr_name); } if(attr_value != NULL) { crm_debug_2("%s[%s] = %s", attr_name, node->details->uname, crm_str(attr_value)); score = char2score(attr_value); } crm_free(attr_name); return score; } #define max(a, b) aapplied_master_prefs) { /* Make sure we only do this once */ return; } clone_data->applied_master_prefs = TRUE; slist_iter( child_rsc, resource_t, rsc->children, lpc, slist_iter( node, node_t, child_rsc->allowed_nodes, lpc, if(can_run_resources(node) == FALSE) { /* This node will never be promoted to master, * so don't apply the master score as that may * lead to clone shuffling */ continue; } score = master_score(child_rsc, node, 0); new_score = merge_weights(node->weight, score); if(new_score != node->weight) { crm_debug("\t%s: Updating preference for %s (%d->%d)", child_rsc->id, node->details->uname, node->weight, new_score); node->weight = new_score; } new_score = max(child_rsc->priority, score); if(new_score != child_rsc->priority) { crm_debug("\t%s: Updating priority (%d->%d)", child_rsc->id, child_rsc->priority, new_score); child_rsc->priority = new_score; } ); ); } static void set_role(resource_t *rsc, enum rsc_role_e role, gboolean current) { if(current) { rsc->role = role; } else { rsc->next_role = role; if(role == RSC_ROLE_MASTER) { add_hash_param(rsc->parameters, crm_meta_name("role"), role2text(role)); } } slist_iter( child_rsc, resource_t, rsc->children, lpc, set_role(child_rsc, role, current); ); } node_t * master_color(resource_t *rsc, pe_working_set_t *data_set) { int promoted = 0; node_t *chosen = NULL; node_t *cons_node = NULL; enum rsc_role_e next_role = RSC_ROLE_UNKNOWN; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); apply_master_prefs(rsc); clone_color(rsc, data_set); /* count now tracks the number of masters allocated */ slist_iter(node, node_t, rsc->allowed_nodes, lpc, node->count = 0; ); /* * assign priority */ slist_iter( child_rsc, resource_t, rsc->children, lpc, GListPtr list = NULL; crm_debug_2("Assigning priority for %s", child_rsc->id); if(child_rsc->fns->state(child_rsc, TRUE) == RSC_ROLE_STARTED) { set_role(child_rsc, RSC_ROLE_SLAVE, TRUE); } chosen = child_rsc->fns->location(child_rsc, &list, FALSE); if(g_list_length(list) > 1) { crm_config_err("Cannot promote non-colocated child %s", child_rsc->id); } g_list_free(list); if(chosen == NULL) { continue; } next_role = child_rsc->fns->state(child_rsc, FALSE); switch(next_role) { case RSC_ROLE_STARTED: CRM_CHECK(chosen != NULL, break); /* * Default to -1 if no value is set * * This allows master locations to be specified * based solely on rsc_location constraints, * but prevents anyone from being promoted if * neither a constraint nor a master-score is present */ child_rsc->priority = master_score(child_rsc, chosen, -1); break; case RSC_ROLE_SLAVE: case RSC_ROLE_STOPPED: child_rsc->priority = -INFINITY; break; case RSC_ROLE_MASTER: /* the only reason we should be here is if * we're re-creating actions after a stonith */ promoted++; break; default: CRM_CHECK(FALSE/* unhandled */, crm_err("Unknown resource role: %d for %s", next_role, child_rsc->id)); } apply_master_location(child_rsc->rsc_location); apply_master_location(rsc->rsc_location); slist_iter( cons, rsc_colocation_t, child_rsc->rsc_cons, lpc2, child_rsc->cmds->rsc_colocation_lh(child_rsc, cons->rsc_rh, cons); ); child_rsc->sort_index = child_rsc->priority; crm_debug_2("Assigning priority for %s: %d", child_rsc->id, child_rsc->priority); if(next_role == RSC_ROLE_MASTER) { child_rsc->sort_index = INFINITY; } ); master_promotion_order(rsc); /* mark the first N as masters */ slist_iter( child_rsc, resource_t, rsc->children, lpc, chosen = NULL; crm_debug_2("Processing %s", child_rsc->id); if(promoted < clone_data->master_max) { chosen = can_be_master(child_rsc); } crm_debug("%s master score: %d", child_rsc->id, child_rsc->priority); if(chosen == NULL) { next_role = child_rsc->fns->state(child_rsc, FALSE); if(next_role == RSC_ROLE_STARTED) { set_role(child_rsc, RSC_ROLE_SLAVE, FALSE); } continue; } chosen->count++; crm_info("Promoting %s", child_rsc->id); set_role(child_rsc, RSC_ROLE_MASTER, FALSE); clone_data->masters_allocated++; promoted++; ); crm_info("%s: Promoted %d instances of a possible %d to master", rsc->id, promoted, clone_data->master_max); return NULL; } void master_create_actions(resource_t *rsc, pe_working_set_t *data_set) { action_t *action = NULL; action_t *action_complete = NULL; gboolean any_promoting = FALSE; gboolean any_demoting = FALSE; resource_t *last_promote_rsc = NULL; resource_t *last_demote_rsc = NULL; clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc); crm_debug("Creating actions for %s", rsc->id); /* create actions as normal */ clone_create_actions(rsc, data_set); slist_iter( child_rsc, resource_t, rsc->children, lpc, gboolean child_promoting = FALSE; gboolean child_demoting = FALSE; crm_debug_2("Creating actions for %s", child_rsc->id); child_rsc->cmds->create_actions(child_rsc, data_set); master_update_pseudo_status( child_rsc, &child_demoting, &child_promoting); any_demoting = any_demoting || child_demoting; any_promoting = any_promoting || child_promoting; ); /* promote */ action = promote_action(rsc, NULL, !any_promoting); action_complete = custom_action( rsc, promoted_key(rsc), CRMD_ACTION_PROMOTED, NULL, !any_promoting, TRUE, data_set); action->pseudo = TRUE; action->runnable = FALSE; action_complete->pseudo = TRUE; action_complete->runnable = FALSE; action_complete->priority = INFINITY; if(clone_data->masters_allocated > 0) { action->runnable = TRUE; action_complete->runnable = TRUE; } child_promoting_constraints(clone_data, pe_order_optional, rsc, NULL, last_promote_rsc, data_set); clone_create_notifications(rsc, action, action_complete, data_set); /* demote */ action = demote_action(rsc, NULL, !any_demoting); action_complete = custom_action( rsc, demoted_key(rsc), CRMD_ACTION_DEMOTED, NULL, !any_demoting, TRUE, data_set); action_complete->priority = INFINITY; action->pseudo = TRUE; action->runnable = TRUE; action_complete->pseudo = TRUE; action_complete->runnable = TRUE; child_demoting_constraints(clone_data, pe_order_optional, rsc, NULL, last_demote_rsc, data_set); clone_create_notifications(rsc, action, action_complete, data_set); /* restore the correct priority */ slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->priority = rsc->priority; ); } void master_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); clone_internal_constraints(rsc, data_set); /* global stopped before start */ custom_action_order( rsc, stopped_key(rsc), NULL, rsc, start_key(rsc), NULL, pe_order_optional, data_set); /* global stopped before promote */ custom_action_order( rsc, stopped_key(rsc), NULL, rsc, promote_key(rsc), NULL, pe_order_optional, data_set); /* global demoted before start */ custom_action_order( rsc, demoted_key(rsc), NULL, rsc, start_key(rsc), NULL, pe_order_optional, data_set); /* global started before promote */ custom_action_order( rsc, started_key(rsc), NULL, rsc, promote_key(rsc), NULL, pe_order_optional, data_set); /* global demoted before stop */ custom_action_order( rsc, demoted_key(rsc), NULL, rsc, stop_key(rsc), NULL, pe_order_optional, data_set); /* global demote before demoted */ custom_action_order( rsc, demote_key(rsc), NULL, rsc, demoted_key(rsc), NULL, pe_order_optional, data_set); /* global demoted before promote */ custom_action_order( rsc, demoted_key(rsc), NULL, rsc, promote_key(rsc), NULL, pe_order_optional, data_set); slist_iter( child_rsc, resource_t, rsc->children, lpc, /* child demote before promote */ custom_action_order( child_rsc, demote_key(child_rsc), NULL, child_rsc, promote_key(child_rsc), NULL, pe_order_optional, data_set); child_promoting_constraints(clone_data, pe_order_optional, rsc, child_rsc, last_rsc, data_set); child_demoting_constraints(clone_data, pe_order_optional, rsc, child_rsc, last_rsc, data_set); last_rsc = child_rsc; ); } extern resource_t *find_compatible_child(resource_t *local_child, resource_t *rsc, enum rsc_role_e filter); static void node_list_update_one(GListPtr list1, node_t *other, int score) { node_t *node = NULL; if(other == NULL) { return; } node = (node_t*)pe_find_node_id(list1, other->details->id); if(node != NULL) { crm_debug_2("%s: %d + %d", node->details->uname, node->weight, other->weight); node->weight = merge_weights(node->weight, score); } } void master_rsc_colocation_rh( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { clone_variant_data_t *clone_data = NULL; get_clone_variant_data(clone_data, rsc_rh); CRM_CHECK(rsc_rh != NULL, return); if(is_set(rsc_rh->flags, pe_rsc_provisional)) { return; } else if(constraint->role_rh == RSC_ROLE_UNKNOWN) { crm_debug_3("Handling %s as a clone colocation", constraint->id); clone_rsc_colocation_rh(rsc_lh, rsc_rh, constraint); return; } CRM_CHECK(rsc_lh != NULL, return); CRM_CHECK(rsc_lh->variant == pe_native, return); crm_debug_2("Processing constraint %s: %d", constraint->id, constraint->score); if(constraint->score < INFINITY) { slist_iter( child_rsc, resource_t, rsc_rh->children, lpc, child_rsc->cmds->rsc_colocation_rh(rsc_lh, child_rsc, constraint); ); } else if(is_set(rsc_lh->flags, pe_rsc_provisional)) { 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); enum rsc_role_e next_role = child_rsc->fns->state(child_rsc, FALSE); crm_debug_3("Processing: %s", child_rsc->id); if(chosen != NULL && next_role == constraint->role_rh) { crm_debug_3("Applying: %s %s", child_rsc->id, role2text(next_role)); node_list_update_one(rsc_lh->allowed_nodes, chosen, constraint->score); rhs = g_list_append(rhs, chosen); } ); /* Only do this if its not a master-master colocation * Doing this unconditionally would prevent the slaves from being started */ if(constraint->role_lh != RSC_ROLE_MASTER || constraint->role_rh != RSC_ROLE_MASTER) { rsc_lh->allowed_nodes = node_list_and(lhs, rhs, FALSE); pe_free_shallow(lhs); } pe_free_shallow_adv(rhs, FALSE); } else if(constraint->role_lh == RSC_ROLE_MASTER) { resource_t *rh_child = find_compatible_child(rsc_lh, rsc_rh, constraint->role_rh); if(rh_child == NULL && constraint->score >= INFINITY) { crm_debug_2("%s can't be promoted %s", rsc_lh->id, constraint->id); rsc_lh->priority = -INFINITY; } else if(rh_child != NULL) { int new_priority = merge_weights(rsc_lh->priority, constraint->score); crm_debug("Applying %s to %s", constraint->id, rsc_lh->id); crm_debug("\t%s: %d->%d", rsc_lh->id, rsc_lh->priority, new_priority); rsc_lh->priority = new_priority; } } return; } diff --git a/pengine/native.c b/pengine/native.c index d1855791bd..1c87afdba6 100644 --- a/pengine/native.c +++ b/pengine/native.c @@ -1,1894 +1,1882 @@ /* * 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 #include #include #define DELETE_THEN_REFRESH 1 /* The crmd will remove the resource from the CIB itself, making this redundant */ #define VARIANT_NATIVE 1 #include -resource_t *ultimate_parent(resource_t *rsc); - void node_list_update(GListPtr list1, GListPtr list2, int factor); void native_rsc_colocation_rh_must(resource_t *rsc_lh, gboolean update_lh, resource_t *rsc_rh, gboolean update_rh); void native_rsc_colocation_rh_mustnot(resource_t *rsc_lh, gboolean update_lh, resource_t *rsc_rh, gboolean update_rh); void create_notifications(resource_t *rsc, pe_working_set_t *data_set); void Recurring(resource_t *rsc, action_t *start, node_t *node, pe_working_set_t *data_set); void RecurringOp(resource_t *rsc, action_t *start, node_t *node, crm_data_t *operation, pe_working_set_t *data_set); void pe_pre_notify( resource_t *rsc, node_t *node, action_t *op, notify_data_t *n_data, pe_working_set_t *data_set); void pe_post_notify( resource_t *rsc, node_t *node, action_t *op, notify_data_t *n_data, pe_working_set_t *data_set); void NoRoleChange (resource_t *rsc, node_t *current, node_t *next, pe_working_set_t *data_set); gboolean DeleteRsc (resource_t *rsc, node_t *node, gboolean optional, pe_working_set_t *data_set); gboolean StopRsc (resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set); gboolean StartRsc (resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set); gboolean DemoteRsc (resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set); gboolean PromoteRsc(resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set); gboolean RoleError (resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set); gboolean NullOp (resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set); enum rsc_role_e rsc_state_matrix[RSC_ROLE_MAX][RSC_ROLE_MAX] = { /* Current State */ /* Next State: Unknown Stopped Started Slave Master */ /* Unknown */ { RSC_ROLE_UNKNOWN, RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, }, /* Stopped */ { RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STARTED, RSC_ROLE_SLAVE, RSC_ROLE_SLAVE, }, /* Started */ { RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STARTED, RSC_ROLE_SLAVE, RSC_ROLE_MASTER, }, /* Slave */ { RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_UNKNOWN, RSC_ROLE_SLAVE, RSC_ROLE_MASTER, }, /* Master */ { RSC_ROLE_STOPPED, RSC_ROLE_SLAVE, RSC_ROLE_UNKNOWN, RSC_ROLE_SLAVE, RSC_ROLE_MASTER, }, }; gboolean (*rsc_action_matrix[RSC_ROLE_MAX][RSC_ROLE_MAX])(resource_t*,node_t*,gboolean,pe_working_set_t*) = { /* Current State */ /* Next State: Unknown Stopped Started Slave Master */ /* Unknown */ { RoleError, StopRsc, RoleError, RoleError, RoleError, }, /* Stopped */ { RoleError, NullOp, StartRsc, StartRsc, RoleError, }, /* Started */ { RoleError, StopRsc, NullOp, NullOp, PromoteRsc, }, /* Slave */ { RoleError, StopRsc, RoleError, NullOp, PromoteRsc, }, /* Master */ { RoleError, RoleError, RoleError, DemoteRsc, NullOp, }, }; static gboolean native_choose_node(resource_t *rsc) { /* 1. Sort by weight 2. color.chosen_node = the node (of those with the highest wieght) with the fewest resources 3. remove color.chosen_node from all other colors */ GListPtr nodes = NULL; node_t *chosen = NULL; if(is_not_set(rsc->flags, pe_rsc_provisional)) { return rsc->allocated_to?TRUE:FALSE; } crm_debug_3("Choosing node for %s from %d candidates", rsc->id, g_list_length(rsc->allowed_nodes)); if(rsc->allowed_nodes) { rsc->allowed_nodes = g_list_sort( rsc->allowed_nodes, sort_node_weight); nodes = rsc->allowed_nodes; chosen = g_list_nth_data(nodes, 0); } return native_assign_node(rsc, nodes, chosen); } -resource_t * -ultimate_parent(resource_t *rsc) -{ - resource_t *parent = rsc; - while(parent->parent) { - parent = parent->parent; - } - return parent; -} - GListPtr native_merge_weights( resource_t *rsc, const char *rhs, GListPtr nodes, int factor, gboolean allow_rollback) { GListPtr archive = NULL; if(is_set(rsc->flags, pe_rsc_merging)) { crm_debug("%s: Breaking dependancy loop", rhs); return nodes; } else if(is_not_set(rsc->flags, pe_rsc_provisional) || can_run_any(nodes) == FALSE) { return nodes; } set_bit(rsc->flags, pe_rsc_merging); crm_debug_2("%s: Combining scores from %s", rhs, rsc->id); if(allow_rollback) { archive = node_list_dup(nodes, FALSE, FALSE); } node_list_update(nodes, rsc->allowed_nodes, factor); if(archive && can_run_any(nodes) == FALSE) { crm_debug("%s: Rolling back scores from %s", rhs, rsc->id); pe_free_shallow_adv(nodes, TRUE); nodes = archive; goto bail; } pe_free_shallow_adv(archive, TRUE); slist_iter( constraint, rsc_colocation_t, rsc->rsc_cons_lhs, lpc, nodes = constraint->rsc_lh->cmds->merge_weights( constraint->rsc_lh, rhs, nodes, constraint->score/INFINITY, allow_rollback); ); bail: clear_bit(rsc->flags, pe_rsc_merging); return nodes; } node_t * native_color(resource_t *rsc, pe_working_set_t *data_set) { int alloc_details = LOG_DEBUG_2; if(rsc->parent && is_not_set(rsc->parent->flags, pe_rsc_allocating)) { /* never allocate children on their own */ crm_debug("Escalating allocation of %s to its parent: %s", rsc->id, rsc->parent->id); rsc->parent->cmds->color(rsc->parent, data_set); } if(is_not_set(rsc->flags, pe_rsc_provisional)) { return rsc->allocated_to; } 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); print_resource(alloc_details, "Allocating: ", rsc, FALSE); dump_node_scores(alloc_details, rsc, "Pre-allloc", rsc->allowed_nodes); slist_iter( constraint, rsc_colocation_t, rsc->rsc_cons, lpc, resource_t *rsc_rh = constraint->rsc_rh; crm_debug("%s: Pre-Processing %s (%s)", rsc->id, constraint->id, rsc_rh->id); rsc_rh->cmds->color(rsc_rh, data_set); rsc->cmds->rsc_colocation_lh(rsc, rsc_rh, constraint); ); dump_node_scores(alloc_details, rsc, "Post-coloc", rsc->allowed_nodes); 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(alloc_details, rsc, "Post-merge", rsc->allowed_nodes); print_resource(LOG_DEBUG, "Allocating: ", rsc, FALSE); if(rsc->next_role == RSC_ROLE_STOPPED) { crm_debug_2("Making sure %s doesn't get allocated", rsc->id); /* make sure it doesnt come up again */ resource_location( rsc, NULL, -INFINITY, "target_role", data_set); } if(is_set(rsc->flags, pe_rsc_provisional) && native_choose_node(rsc) ) { crm_debug_3("Allocated resource %s to %s", rsc->id, rsc->allocated_to->details->uname); } else if(rsc->allocated_to == NULL) { if(is_not_set(rsc->flags, pe_rsc_orphan)) { pe_warn("Resource %s cannot run anywhere", rsc->id); } else { crm_info("Stopping orphan resource %s", rsc->id); } } else { crm_debug("Pre-Allocated resource %s to %s", rsc->id, rsc->allocated_to->details->uname); } clear_bit(rsc->flags, pe_rsc_allocating); print_resource(LOG_DEBUG_3, "Allocated ", rsc, TRUE); return rsc->allocated_to; } static gboolean is_op_dup( resource_t *rsc, const char *name, const char *interval) { gboolean dup = FALSE; const char *id = NULL; const char *value = NULL; xml_child_iter_filter( rsc->ops_xml, operation, "op", value = crm_element_value(operation, "name"); if(safe_str_neq(value, name)) { continue; } value = crm_element_value(operation, XML_LRM_ATTR_INTERVAL); if(value == NULL) { value = "0"; } if(safe_str_neq(value, interval)) { continue; } if(id == NULL) { id = ID(operation); } else { crm_config_err("Operation %s is a duplicate of %s", ID(operation), id); crm_config_err("Do not use the same (name, interval) combination more than once per resource"); dup = TRUE; } ); return dup; } void RecurringOp(resource_t *rsc, action_t *start, node_t *node, crm_data_t *operation, pe_working_set_t *data_set) { char *key = NULL; const char *name = NULL; const char *value = NULL; const char *interval = NULL; const char *node_uname = NULL; int interval_ms = 0; action_t *mon = NULL; gboolean is_optional = TRUE; GListPtr possible_matches = NULL; crm_debug_2("Creating recurring action %s for %s", ID(operation), rsc->id); if(node != NULL) { node_uname = node->details->uname; } interval = crm_element_value(operation, XML_LRM_ATTR_INTERVAL); interval_ms = crm_get_msec(interval); if(interval_ms == 0) { return; } else if(interval_ms < 0) { crm_config_warn("%s contains an invalid interval: %s", ID(operation), interval); return; } value = crm_element_value(operation, "disabled"); if(crm_is_true(value)) { return; } name = crm_element_value(operation, "name"); if(is_op_dup(rsc, name, interval)) { return; } key = generate_op_key(rsc->id, name, interval_ms); if(start != NULL) { crm_debug_3("Marking %s %s due to %s", key, start->optional?"optional":"manditory", start->uuid); is_optional = start->optional; } else { crm_debug_2("Marking %s optional", key); is_optional = TRUE; } /* start a monitor for an already active resource */ possible_matches = find_actions_exact(rsc->actions, key, node); if(possible_matches == NULL) { is_optional = FALSE; crm_debug_3("Marking %s manditory: not active", key); } else { g_list_free(possible_matches); } value = crm_element_value(operation, "role"); if((rsc->next_role == RSC_ROLE_MASTER && value == NULL) || (value != NULL && text2role(value) != rsc->next_role)) { int log_level = LOG_DEBUG_2; const char *result = "Ignoring"; if(is_optional) { char *local_key = crm_strdup(key); log_level = LOG_INFO; result = "Cancelling"; /* its running : cancel it */ mon = custom_action( rsc, local_key, CRMD_ACTION_CANCEL, node, FALSE, TRUE, data_set); crm_free(mon->task); mon->task = crm_strdup(CRMD_ACTION_CANCEL); add_hash_param(mon->meta, XML_LRM_ATTR_INTERVAL, interval); add_hash_param(mon->meta, XML_LRM_ATTR_TASK, name); custom_action_order( rsc, NULL, mon, rsc, promote_key(rsc), NULL, pe_order_runnable_left, data_set); mon = NULL; } do_crm_log(log_level, "%s action %s (%s vs. %s)", result , key, value?value:role2text(RSC_ROLE_SLAVE), role2text(rsc->next_role)); crm_free(key); key = NULL; return; } mon = custom_action(rsc, key, name, node, is_optional, TRUE, data_set); key = mon->uuid; if(is_optional) { crm_debug_2("%s\t %s (optional)", crm_str(node_uname), mon->uuid); } if(start == NULL || start->runnable == FALSE) { crm_debug("%s\t %s (cancelled : start un-runnable)", crm_str(node_uname), mon->uuid); mon->runnable = FALSE; } else if(node == NULL || node->details->online == FALSE || node->details->unclean) { crm_debug("%s\t %s (cancelled : no node available)", crm_str(node_uname), mon->uuid); mon->runnable = FALSE; } else if(mon->optional == FALSE) { crm_notice("%s\t %s", crm_str(node_uname),mon->uuid); } custom_action_order(rsc, start_key(rsc), NULL, NULL, crm_strdup(key), mon, pe_order_implies_right|pe_order_runnable_left, data_set); if(rsc->next_role == RSC_ROLE_MASTER) { char *running_master = crm_itoa(EXECRA_RUNNING_MASTER); add_hash_param(mon->meta, XML_ATTR_TE_TARGET_RC, running_master); custom_action_order( rsc, promote_key(rsc), NULL, rsc, NULL, mon, pe_order_optional|pe_order_runnable_left, data_set); crm_free(running_master); } } void Recurring(resource_t *rsc, action_t *start, node_t *node, pe_working_set_t *data_set) { xml_child_iter_filter( rsc->ops_xml, operation, "op", RecurringOp(rsc, start, node, operation, data_set); ); } void native_create_actions(resource_t *rsc, pe_working_set_t *data_set) { action_t *start = NULL; node_t *chosen = NULL; enum rsc_role_e role = RSC_ROLE_UNKNOWN; enum rsc_role_e next_role = RSC_ROLE_UNKNOWN; crm_debug_2("Creating actions for %s", rsc->id); chosen = rsc->allocated_to; if(chosen != NULL) { CRM_CHECK(rsc->next_role != RSC_ROLE_UNKNOWN, rsc->next_role = RSC_ROLE_STARTED); } unpack_instance_attributes( rsc->xml, XML_TAG_ATTR_SETS, chosen?chosen->details->attrs:NULL, rsc->parameters, NULL, data_set->now); crm_debug_2("%s: %s->%s", rsc->id, role2text(rsc->role), role2text(rsc->next_role)); if(g_list_length(rsc->running_on) > 1) { if(rsc->recovery_type == recovery_stop_start) { pe_proc_err("Attempting recovery of resource %s", rsc->id); StopRsc(rsc, NULL, FALSE, data_set); rsc->role = RSC_ROLE_STOPPED; } } else if(rsc->running_on != NULL) { node_t *current = rsc->running_on->data; NoRoleChange(rsc, current, chosen, data_set); } else if(rsc->role == RSC_ROLE_STOPPED && rsc->next_role == RSC_ROLE_STOPPED) { char *key = start_key(rsc); GListPtr possible_matches = find_actions(rsc->actions, key, NULL); slist_iter( action, action_t, possible_matches, lpc, action->optional = TRUE; /* action->pseudo = TRUE; */ ); g_list_free(possible_matches); crm_debug_2("Stopping a stopped resource"); crm_free(key); return; } role = rsc->role; while(role != rsc->next_role) { next_role = rsc_state_matrix[role][rsc->next_role]; crm_debug_2("Executing: %s->%s (%s)", role2text(role), role2text(next_role), rsc->id); if(rsc_action_matrix[role][next_role]( rsc, chosen, FALSE, data_set) == FALSE) { break; } role = next_role; } if(rsc->next_role != RSC_ROLE_STOPPED && is_set(rsc->flags, pe_rsc_managed)) { start = start_action(rsc, chosen, TRUE); Recurring(rsc, start, chosen, data_set); } } void native_internal_constraints(resource_t *rsc, pe_working_set_t *data_set) { int type = pe_order_optional; const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS); action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set); if(rsc->variant == pe_native) { type |= pe_order_implies_right; } if(rsc->parent == NULL) { type |= pe_order_restart; } custom_action_order(rsc, stop_key(rsc), NULL, rsc, start_key(rsc), NULL, type, data_set); custom_action_order(rsc, demote_key(rsc), NULL, rsc, stop_key(rsc), NULL, pe_order_optional, data_set); custom_action_order(rsc, start_key(rsc), NULL, rsc, promote_key(rsc), NULL, pe_order_runnable_left, data_set); custom_action_order( rsc, delete_key(rsc), NULL, rsc, start_key(rsc), NULL, pe_order_optional, data_set); if(is_set(rsc->flags, pe_rsc_notify)) { char *key1 = NULL; char *key2 = NULL; key1 = generate_op_key(rsc->id, "confirmed-post_notify_start", 0); key2 = generate_op_key(rsc->id, "pre_notify_promote", 0); custom_action_order( rsc, key1, NULL, rsc, key2, NULL, pe_order_optional, data_set); key1 = generate_op_key(rsc->id, "confirmed-post_notify_demote", 0); key2 = generate_op_key(rsc->id, "pre_notify_stop", 0); custom_action_order( rsc, key1, NULL, rsc, key2, NULL, pe_order_optional, data_set); } if(is_not_set(rsc->flags, pe_rsc_managed)) { crm_debug_3("Skipping fencing constraints for unmanaged resource: %s", rsc->id); return; } if(rsc->variant == pe_native && safe_str_neq(class, "stonith")) { custom_action_order( rsc, stop_key(rsc), NULL, NULL, crm_strdup(all_stopped->task), all_stopped, pe_order_implies_right|pe_order_runnable_left, data_set); } } void native_rsc_colocation_lh( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { if(rsc_lh == 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; } crm_debug_2("Processing colocation constraint between %s and %s", rsc_lh->id, rsc_rh->id); rsc_rh->cmds->rsc_colocation_rh(rsc_lh, rsc_rh, constraint); } static gboolean filter_colocation_constraint( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { if(constraint->score == 0){ return FALSE; } if(constraint->score > 0 && constraint->role_lh != RSC_ROLE_UNKNOWN && constraint->role_lh != rsc_lh->next_role) { crm_debug_4("LH: Skipping constraint: \"%s\" state filter", role2text(constraint->role_rh)); return FALSE; } if(constraint->score > 0 && constraint->role_rh != RSC_ROLE_UNKNOWN && constraint->role_rh != rsc_rh->next_role) { crm_debug_4("RH: Skipping constraint: \"%s\" state filter", role2text(constraint->role_rh)); return FALSE; } if(constraint->score < 0 && constraint->role_lh != RSC_ROLE_UNKNOWN && constraint->role_lh == rsc_lh->next_role) { crm_debug_4("LH: Skipping -ve constraint: \"%s\" state filter", role2text(constraint->role_rh)); return FALSE; } if(constraint->score < 0 && constraint->role_rh != RSC_ROLE_UNKNOWN && constraint->role_rh == rsc_rh->next_role) { crm_debug_4("RH: Skipping -ve constraint: \"%s\" state filter", role2text(constraint->role_rh)); return FALSE; } return TRUE; } static void colocation_match( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { const char *tmp = NULL; const char *value = NULL; gboolean do_check = FALSE; const char *attribute = "#id"; if(constraint->node_attribute != NULL) { attribute = constraint->node_attribute; } if(rsc_rh->allocated_to) { value = g_hash_table_lookup( rsc_rh->allocated_to->details->attrs, attribute); do_check = TRUE; } else if(constraint->score < 0) { /* nothing to do: * anti-colocation with something thats not running */ return; } slist_iter( node, node_t, rsc_lh->allowed_nodes, lpc, tmp = g_hash_table_lookup(node->details->attrs, attribute); if(do_check && safe_str_eq(tmp, value)) { crm_debug_2("%s: %s.%s += %d", constraint->id, rsc_lh->id, node->details->uname, constraint->score); node->weight = merge_weights( constraint->score, node->weight); } else if(do_check == FALSE || constraint->score >= INFINITY) { crm_debug_2("%s: %s.%s = -INFINITY (%s)", constraint->id, rsc_lh->id, node->details->uname, do_check?"failed":"unallocated"); node->weight = -INFINITY; } ); } void native_rsc_colocation_rh( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { crm_debug_2("%sColocating %s with %s (%s, weight=%d)", constraint->score >= 0?"":"Anti-", rsc_lh->id, rsc_rh->id, constraint->id, constraint->score); if(filter_colocation_constraint(rsc_lh, rsc_rh, constraint) == FALSE) { return; } if(is_set(rsc_rh->flags, pe_rsc_provisional)) { return; } else if(is_not_set(rsc_lh->flags, pe_rsc_provisional)) { /* error check */ struct node_shared_s *details_lh; struct node_shared_s *details_rh; if((constraint->score > -INFINITY) && (constraint->score < INFINITY)) { return; } details_rh = rsc_rh->allocated_to?rsc_rh->allocated_to->details:NULL; details_lh = rsc_lh->allocated_to?rsc_lh->allocated_to->details:NULL; if(constraint->score == INFINITY && details_lh != details_rh) { crm_err("%s and %s are both allocated" " but to different nodes: %s vs. %s", rsc_lh->id, rsc_rh->id, details_lh?details_lh->uname:"n/a", details_rh?details_rh->uname:"n/a"); } else if(constraint->score == -INFINITY && details_lh == details_rh) { crm_err("%s and %s are both allocated" " but to the SAME node: %s", rsc_lh->id, rsc_rh->id, details_rh?details_rh->uname:"n/a"); } return; } else { colocation_match(rsc_lh, rsc_rh, constraint); } } void node_list_update(GListPtr list1, GListPtr list2, int factor) { node_t *other_node = NULL; slist_iter( node, node_t, list1, lpc, if(node == NULL) { continue; } other_node = (node_t*)pe_find_node_id( list2, node->details->id); if(other_node != NULL) { crm_debug_2("%s: %d + %d", node->details->uname, node->weight, other_node->weight); node->weight = merge_weights( factor*other_node->weight, node->weight); } ); } void native_rsc_order_lh(resource_t *lh_rsc, order_constraint_t *order, pe_working_set_t *data_set) { GListPtr lh_actions = NULL; action_t *lh_action = order->lh_action; resource_t *rh_rsc = order->rh_rsc; crm_debug_2("Processing LH of ordering constraint %d", order->id); CRM_ASSERT(lh_rsc != NULL); if(lh_action != NULL) { lh_actions = g_list_append(NULL, lh_action); } else if(lh_action == NULL) { lh_actions = find_actions( lh_rsc->actions, order->lh_action_task, NULL); } if(lh_actions == NULL && lh_rsc != rh_rsc) { char *key = NULL; char *rsc_id = NULL; char *op_type = NULL; int interval = 0; crm_debug_2("No LH-Side (%s/%s) found for constraint %d with %s - creating", lh_rsc->id, order->lh_action_task, order->id, order->rh_action_task); parse_op_key( order->lh_action_task, &rsc_id, &op_type, &interval); key = generate_op_key(lh_rsc->id, op_type, interval); lh_action = custom_action(lh_rsc, key, op_type, NULL, TRUE, TRUE, data_set); if(lh_rsc->fns->state(lh_rsc, TRUE) == RSC_ROLE_STOPPED && safe_str_eq(op_type, CRMD_ACTION_STOP)) { lh_action->pseudo = TRUE; lh_action->runnable = TRUE; } lh_actions = g_list_append(NULL, lh_action); crm_free(op_type); crm_free(rsc_id); } slist_iter( lh_action_iter, action_t, lh_actions, lpc, if(rh_rsc == NULL && order->rh_action) { rh_rsc = order->rh_action->rsc; } if(rh_rsc) { rh_rsc->cmds->rsc_order_rh( lh_action_iter, rh_rsc, order); } else if(order->rh_action) { order_actions( lh_action_iter, order->rh_action, order->type); } ); pe_free_shallow_adv(lh_actions, FALSE); } void native_rsc_order_rh( action_t *lh_action, resource_t *rsc, order_constraint_t *order) { GListPtr rh_actions = NULL; action_t *rh_action = NULL; CRM_CHECK(rsc != NULL, return); CRM_CHECK(order != NULL, return); rh_action = order->rh_action; crm_debug_3("Processing RH of ordering constraint %d", order->id); if(rh_action != NULL) { rh_actions = g_list_append(NULL, rh_action); } else if(rsc != NULL) { rh_actions = find_actions( rsc->actions, order->rh_action_task, NULL); } if(rh_actions == NULL) { crm_debug_4("No RH-Side (%s/%s) found for constraint..." " ignoring", rsc->id,order->rh_action_task); if(lh_action) { crm_debug_4("LH-Side was: %s", lh_action->uuid); } return; } slist_iter( rh_action_iter, action_t, rh_actions, lpc, if(lh_action) { order_actions(lh_action, rh_action_iter, order->type); } else if(order->type & pe_order_implies_right) { rh_action_iter->runnable = FALSE; crm_warn("Unrunnable %s 0x%.6x", rh_action_iter->uuid, order->type); } else { crm_warn("neither %s 0x%.6x", rh_action_iter->uuid, order->type); } ); pe_free_shallow_adv(rh_actions, FALSE); } void native_rsc_location(resource_t *rsc, rsc_to_node_t *constraint) { GListPtr or_list; crm_debug_2("Applying %s (%s) to %s", constraint->id, role2text(constraint->role_filter), rsc->id); /* take "lifetime" into account */ if(constraint == NULL) { pe_err("Constraint is NULL"); return; } else if(rsc == NULL) { pe_err("LHS of rsc_to_node (%s) is NULL", constraint->id); return; } else if(constraint->role_filter > 0 && constraint->role_filter != rsc->next_role) { crm_debug("Constraint (%s) is not active (role : %s)", constraint->id, role2text(constraint->role_filter)); return; } else if(is_active(constraint) == FALSE) { crm_debug_2("Constraint (%s) is not active", constraint->id); return; } if(constraint->node_list_rh == NULL) { crm_debug_2("RHS of constraint %s is NULL", constraint->id); return; } or_list = node_list_or( rsc->allowed_nodes, constraint->node_list_rh, FALSE); pe_free_shallow(rsc->allowed_nodes); rsc->allowed_nodes = or_list; slist_iter(node, node_t, or_list, lpc, crm_debug_3("%s + %s : %d", rsc->id, node->details->uname, node->weight); ); } void native_expand(resource_t *rsc, pe_working_set_t *data_set) { crm_debug_3("Processing actions from %s", rsc->id); slist_iter( action, action_t, rsc->actions, lpc, crm_debug_4("processing action %d for rsc=%s", action->id, rsc->id); graph_element_from_action(action, data_set); ); slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->expand(child_rsc, data_set); ); } void create_notifications(resource_t *rsc, pe_working_set_t *data_set) { } static void register_activity(resource_t *rsc, enum action_tasks task, node_t *node, notify_data_t *n_data) { notify_entry_t *entry = NULL; CRM_CHECK(node != NULL, crm_err("%s has no node for required action %s", rsc->id, task2text(task)); return); crm_malloc0(entry, sizeof(notify_entry_t)); entry->rsc = rsc; entry->node = node; switch(task) { case start_rsc: n_data->start = g_list_append(n_data->start, entry); break; case stop_rsc: n_data->stop = g_list_append(n_data->stop, entry); break; case action_promote: n_data->promote = g_list_append(n_data->promote, entry); break; case action_demote: n_data->demote = g_list_append(n_data->demote, entry); break; default: crm_err("Unsupported notify action: %s", task2text(task)); crm_free(entry); break; } } static void register_state(resource_t *rsc, node_t *on_node, notify_data_t *n_data) { notify_entry_t *entry = NULL; crm_malloc0(entry, sizeof(notify_entry_t)); entry->rsc = rsc; entry->node = on_node; crm_debug_2("%s state: %s", rsc->id, role2text(rsc->next_role)); switch(rsc->next_role) { case RSC_ROLE_STOPPED: /* n_data->inactive = g_list_append(n_data->inactive, entry); */ crm_free(entry); break; case RSC_ROLE_STARTED: n_data->active = g_list_append(n_data->active, entry); break; case RSC_ROLE_SLAVE: n_data->slave = g_list_append(n_data->slave, entry); break; case RSC_ROLE_MASTER: n_data->master = g_list_append(n_data->master, entry); break; default: crm_err("Unsupported notify role"); crm_free(entry); break; } } void complex_create_notify_element(resource_t *rsc, action_t *op, notify_data_t *n_data, pe_working_set_t *data_set) { node_t *next_node = NULL; gboolean registered = FALSE; char *op_key = NULL; GListPtr possible_matches = NULL; enum action_tasks task = text2task(op->task); if(rsc->children) { slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->create_notify_element( child_rsc, op, n_data, data_set); ); return; } if(op->pre_notify == NULL || op->post_notify == NULL) { /* no notifications required */ crm_debug_4("No notificaitons required for %s", op->task); return; } next_node = rsc->allocated_to; op_key = generate_op_key(rsc->id, op->task, 0); possible_matches = find_actions(rsc->actions, op_key, NULL); crm_debug_2("Creating notificaitons for: %s (%s->%s)", op->uuid, role2text(rsc->role), role2text(rsc->next_role)); if(rsc->role == rsc->next_role) { register_state(rsc, next_node, n_data); } slist_iter( local_op, action_t, possible_matches, lpc, local_op->notify_keys = n_data->keys; if(local_op->optional == FALSE) { registered = TRUE; register_activity(rsc, task, local_op->node, n_data); } ); /* stop / demote */ if(rsc->role != RSC_ROLE_STOPPED) { if(task == stop_rsc || task == action_demote) { slist_iter( current_node, node_t, rsc->running_on, lpc, pe_pre_notify(rsc, current_node, op, n_data, data_set); if(task == action_demote || registered == FALSE) { pe_post_notify(rsc, current_node, op, n_data, data_set); } ); } } /* start / promote */ if(rsc->next_role != RSC_ROLE_STOPPED) { CRM_CHECK(next_node != NULL,;); if(next_node == NULL) { pe_proc_err("next role: %s", role2text(rsc->next_role)); } else if(task == start_rsc || task == action_promote) { if(task != start_rsc || registered == FALSE) { pe_pre_notify(rsc, next_node, op, n_data, data_set); } pe_post_notify(rsc, next_node, op, n_data, data_set); } } crm_free(op_key); g_list_free(possible_matches); } static void dup_attr(gpointer key, gpointer value, gpointer user_data) { char *meta_key = crm_concat(CRM_META, key, '_'); g_hash_table_replace(user_data, meta_key, crm_strdup(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) { crm_debug_2("Op=%p confirm=%p", op, confirm); return NULL; } CRM_CHECK(node != NULL, return NULL); if(node->details->online == FALSE) { crm_debug_2("Skipping notification for %s: node offline", rsc->id); return NULL; } else if(op->runnable == FALSE) { crm_debug_2("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"); crm_debug("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, op->optional, TRUE, data_set); g_hash_table_foreach(op->meta, dup_attr, trigger->extra); trigger->notify_keys = n_data->keys; /* pseudo_notify before notify */ crm_debug_3("Ordering %s before %s (%d->%d)", op->uuid, trigger->uuid, trigger->id, op->id); order_actions(op, trigger, pe_order_implies_left); value = g_hash_table_lookup(op->meta, "notify_confirm"); if(crm_is_true(value)) { /* notify before pseudo_notified */ crm_debug_3("Ordering %s before %s (%d->%d)", trigger->uuid, confirm->uuid, confirm->id, trigger->id); order_actions(trigger, confirm, pe_order_implies_left); } return trigger; } void pe_pre_notify(resource_t *rsc, node_t *node, action_t *op, notify_data_t *n_data, pe_working_set_t *data_set) { crm_debug_2("%s: %s", rsc->id, op->uuid); pe_notify(rsc, node, op->pre_notify, op->pre_notified, n_data, data_set); } void pe_post_notify(resource_t *rsc, node_t *node, action_t *op, notify_data_t *n_data, pe_working_set_t *data_set) { action_t *notify = NULL; CRM_CHECK(op != NULL, return); CRM_CHECK(rsc != NULL, return); crm_debug_2("%s: %s", rsc->id, op->uuid); notify = pe_notify(rsc, node, op->post_notify, op->post_notified, n_data, data_set); if(notify != NULL) { /* crm_err("Upgrading priority for %s to INFINITY", notify->uuid); */ notify->priority = INFINITY; } notify = op->post_notified; if(notify != NULL) { slist_iter( mon, action_t, rsc->actions, lpc, const char *interval = g_hash_table_lookup(mon->meta, "interval"); if(interval == NULL || safe_str_eq(interval, "0")) { crm_debug_3("Skipping %s: interval", mon->uuid); continue; } else if(safe_str_eq(mon->task, "cancel")) { crm_debug_3("Skipping %s: cancel", mon->uuid); continue; } order_actions(notify, mon, pe_order_optional); ); } } void NoRoleChange(resource_t *rsc, node_t *current, node_t *next, pe_working_set_t *data_set) { action_t *stop = NULL; action_t *start = NULL; GListPtr possible_matches = NULL; crm_debug_2("Executing: %s (role=%s)",rsc->id, role2text(rsc->next_role)); if(current == NULL || next == NULL) { return; } if(is_set(rsc->flags, pe_rsc_failed) || safe_str_neq(current->details->id, next->details->id)) { if(is_set(rsc->flags, pe_rsc_failed)) { crm_notice("Recover resource %s\t(%s)", rsc->id, next->details->uname); } else { crm_notice("Move resource %s\t(%s -> %s)", rsc->id, current->details->uname, next->details->uname); } if(rsc->next_role > RSC_ROLE_STARTED) { gboolean optional = TRUE; if(rsc->role == RSC_ROLE_MASTER) { optional = FALSE; } DemoteRsc(rsc, current, optional, data_set); } if(rsc->role == RSC_ROLE_MASTER) { DemoteRsc(rsc, current, FALSE, data_set); } StopRsc(rsc, current, FALSE, data_set); StartRsc(rsc, next, FALSE, data_set); if(rsc->next_role == RSC_ROLE_MASTER) { PromoteRsc(rsc, next, FALSE, data_set); } possible_matches = find_recurring_actions(rsc->actions, next); slist_iter(match, action_t, possible_matches, lpc, if(match->optional == FALSE) { crm_debug("Fixing recurring action: %s", match->uuid); match->optional = TRUE; } ); g_list_free(possible_matches); } else if(is_set(rsc->flags, pe_rsc_start_pending)) { action_t *start = start_action(rsc, next, TRUE); if(start->runnable) { /* wait for StartRsc() to be called */ rsc->role = RSC_ROLE_STOPPED; } else { /* wait for StopRsc() to be called */ rsc->next_role = RSC_ROLE_STOPPED; } } else { stop = stop_action(rsc, current, TRUE); start = start_action(rsc, next, TRUE); stop->optional = start->optional; if(rsc->next_role > RSC_ROLE_STARTED) { DemoteRsc(rsc, current, start->optional, data_set); } StopRsc(rsc, current, start->optional, data_set); StartRsc(rsc, current, start->optional, data_set); if(rsc->next_role == RSC_ROLE_MASTER) { PromoteRsc(rsc, next, start->optional, data_set); } if(start->runnable == FALSE) { rsc->next_role = RSC_ROLE_STOPPED; } else if(start->optional) { crm_notice("Leave resource %s\t(%s)", rsc->id, next->details->uname); } else { crm_notice("Restart resource %s\t(%s)", rsc->id, next->details->uname); } } } gboolean StopRsc(resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set) { action_t *stop = NULL; const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS); crm_debug_2("Executing: %s", rsc->id); if(rsc->next_role == RSC_ROLE_STOPPED && rsc->variant == pe_native && safe_str_eq(class, "stonith")) { action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set); custom_action_order( NULL, crm_strdup(all_stopped->task), all_stopped, rsc, stop_key(rsc), NULL, pe_order_implies_left|pe_order_stonith_stop, data_set); } slist_iter( current, node_t, rsc->running_on, lpc, stop = stop_action(rsc, current, optional); if(stop->runnable && stop->optional == FALSE) { crm_notice(" %s\tStop %s",current->details->uname,rsc->id); } if(data_set->remove_after_stop) { DeleteRsc(rsc, current, optional, data_set); } ); return TRUE; } gboolean StartRsc(resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set) { action_t *start = NULL; crm_debug_2("Executing: %s", rsc->id); start = start_action(rsc, next, TRUE); if(start->runnable && optional == FALSE) { crm_notice(" %s\tStart %s", next->details->uname, rsc->id); start->optional = FALSE; } return TRUE; } gboolean PromoteRsc(resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set) { char *key = NULL; gboolean runnable = TRUE; GListPtr action_list = NULL; crm_debug_2("Executing: %s", rsc->id); CRM_CHECK(rsc->next_role == RSC_ROLE_MASTER, crm_err("Next role: %s", role2text(rsc->next_role)); return FALSE); CRM_CHECK(next != NULL, return FALSE); key = start_key(rsc); action_list = find_actions_exact(rsc->actions, key, next); crm_free(key); slist_iter(start, action_t, action_list, lpc, if(start->runnable == FALSE) { runnable = FALSE; } ); g_list_free(action_list); if(runnable) { promote_action(rsc, next, optional); if(optional == FALSE) { crm_notice("%s\tPromote %s", next->details->uname, rsc->id); } return TRUE; } crm_debug("%s\tPromote %s (canceled)", next->details->uname, rsc->id); key = promote_key(rsc); action_list = find_actions_exact(rsc->actions, key, next); crm_free(key); slist_iter(promote, action_t, action_list, lpc, promote->runnable = FALSE; ); g_list_free(action_list); return TRUE; } gboolean DemoteRsc(resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set) { crm_debug_2("Executing: %s", rsc->id); /* CRM_CHECK(rsc->next_role == RSC_ROLE_SLAVE, return FALSE); */ slist_iter( current, node_t, rsc->running_on, lpc, crm_notice("%s\tDemote %s", current->details->uname, rsc->id); demote_action(rsc, current, optional); ); return TRUE; } gboolean RoleError(resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set) { crm_debug("Executing: %s", rsc->id); CRM_CHECK(FALSE, return FALSE); return FALSE; } gboolean NullOp(resource_t *rsc, node_t *next, gboolean optional, pe_working_set_t *data_set) { crm_debug("Executing: %s", rsc->id); return FALSE; } gboolean DeleteRsc(resource_t *rsc, node_t *node, gboolean optional, pe_working_set_t *data_set) { action_t *delete = NULL; #if DELETE_THEN_REFRESH action_t *refresh = NULL; #endif if(is_set(rsc->flags, pe_rsc_failed)) { crm_debug_2("Resource %s not deleted from %s: failed", rsc->id, node->details->uname); return FALSE; } else if(node == NULL) { crm_debug_2("Resource %s not deleted: NULL node", rsc->id); return FALSE; } else if(node->details->unclean || node->details->online == FALSE) { crm_debug_2("Resource %s not deleted from %s: unrunnable", rsc->id, node->details->uname); return FALSE; } crm_notice("Removing %s from %s", rsc->id, node->details->uname); delete = delete_action(rsc, node, optional); custom_action_order( rsc, stop_key(rsc), NULL, rsc, delete_key(rsc), NULL, optional?pe_order_implies_right:pe_order_implies_left, data_set); #if DELETE_THEN_REFRESH refresh = custom_action( NULL, crm_strdup(CRM_OP_LRM_REFRESH), CRM_OP_LRM_REFRESH, node, FALSE, TRUE, data_set); add_hash_param(refresh->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE); order_actions(delete, refresh, pe_order_optional); #endif return TRUE; } gboolean native_create_probe(resource_t *rsc, node_t *node, action_t *complete, gboolean force, pe_working_set_t *data_set) { char *key = NULL; char *target_rc = NULL; action_t *probe = NULL; node_t *running = NULL; CRM_CHECK(node != NULL, return FALSE); if(rsc->children) { gboolean any_created = FALSE; slist_iter( child_rsc, resource_t, rsc->children, lpc, any_created = child_rsc->cmds->create_probe( child_rsc, node, complete, force, data_set) || any_created; ); return any_created; } if(is_set(rsc->flags, pe_rsc_orphan)) { crm_debug_2("Skipping orphan: %s", rsc->id); return FALSE; } running = pe_find_node_id(rsc->known_on, node->details->id); if(force == FALSE && running != NULL) { /* we already know the status of the resource on this node */ crm_debug_3("Skipping active: %s", rsc->id); return FALSE; } key = generate_op_key(rsc->id, CRMD_ACTION_STATUS, 0); probe = custom_action(rsc, key, CRMD_ACTION_STATUS, node, FALSE, TRUE, data_set); probe->optional = FALSE; running = pe_find_node_id(rsc->running_on, node->details->id); if(running == NULL) { target_rc = crm_itoa(EXECRA_NOT_RUNNING); } else if(rsc->role == RSC_ROLE_MASTER) { target_rc = crm_itoa(EXECRA_RUNNING_MASTER); } if(target_rc != NULL) { add_hash_param(probe->meta, XML_ATTR_TE_TARGET_RC, target_rc); crm_free(target_rc); } crm_debug_2("Probing %s on %s (%s)", rsc->id, node->details->uname, role2text(rsc->role)); custom_action_order(rsc, NULL, probe, rsc, NULL, complete, pe_order_implies_right, data_set); return TRUE; } static void native_start_constraints( resource_t *rsc, action_t *stonith_op, gboolean is_stonith, pe_working_set_t *data_set) { node_t *target = stonith_op?stonith_op->node:NULL; if(is_stonith) { char *key = start_key(rsc); action_t *ready = get_pseudo_op(STONITH_UP, data_set); crm_debug_2("Ordering %s action before stonith events", key); custom_action_order( rsc, key, NULL, NULL, crm_strdup(ready->task), ready, pe_order_implies_right, data_set); } else { action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set); slist_iter(action, action_t, rsc->actions, lpc2, if(action->needs == rsc_req_stonith) { order_actions(all_stopped, action, pe_order_implies_left); } else if(target != NULL && target->details->expected_up && safe_str_eq(action->task, CRMD_ACTION_START) && NULL == pe_find_node_id( rsc->known_on, target->details->id)) { /* if expected_up == TRUE, then we've seen * the node before and it has failed (as * opposed to just hasn't started up yet) * * if known == NULL, then we dont know if * the resource is active on the node * we're about to shoot * * in this case, regardless of action->needs, * the only safe option is to wait until * the node is shot before doing anything * to with the resource * * its analogous to waiting for all the probes * for rscX to complete before starting rscX * * the most likely explaination is that the * DC died and took its status with it */ crm_info("Ordering %s after %s recovery", action->uuid, target->details->uname); order_actions(all_stopped, action, pe_order_implies_left|pe_order_runnable_left); } ); } } static void native_stop_constraints( resource_t *rsc, action_t *stonith_op, gboolean is_stonith, pe_working_set_t *data_set) { char *key = NULL; GListPtr action_list = NULL; node_t *node = stonith_op->node; key = stop_key(rsc); action_list = find_actions(rsc->actions, key, node); crm_free(key); /* add the stonith OP as a stop pre-req and the mark the stop * as a pseudo op - since its now redundant */ slist_iter( action, action_t, action_list, lpc2, resource_t *parent = NULL; if(node->details->online && node->details->unclean == FALSE && is_set(rsc->flags, pe_rsc_failed)) { continue; } if(is_set(rsc->flags, pe_rsc_failed)) { crm_warn("Stop of failed resource %s is" " implicit after %s is fenced", rsc->id, node->details->uname); } else { crm_info("%s is implicit after %s is fenced", action->uuid, node->details->uname); } /* the stop would never complete and is * now implied by the stonith operation */ action->pseudo = TRUE; action->runnable = TRUE; action->implied_by_stonith = TRUE; if(is_stonith == FALSE) { order_actions(stonith_op, action, pe_order_optional); } /* find the top-most resource */ parent = rsc->parent; while(parent != NULL && parent->parent != NULL) { parent = parent->parent; } if(parent) { crm_info("Re-creating actions for %s", parent->id); parent->cmds->create_actions(parent, data_set); /* make sure we dont mess anything up in create_actions */ CRM_CHECK(action->pseudo, action->pseudo = TRUE); CRM_CHECK(action->runnable, action->runnable = TRUE); } /* From Bug #1601, successful fencing must be an input to a failed resources stop action. However given group(A, B) running on nodeX and B.stop has failed, A := stop healthy resource (A.stop) B := stop failed resource (pseudo operation B.stop) C := stonith nodeX A requires B, B requires C, C requires A This loop would prevent the cluster from making progress. This block creates the "C requires A" dependancy and therefore must (at least for now) be disabled. Instead, run the block above and treat all resources on nodeX as B would be (marked as a pseudo op depending on the STONITH). } else if(is_stonith == FALSE) { crm_info("Moving healthy resource %s" " off %s before fencing", rsc->id, node->details->uname); * stop healthy resources before the * stonith op * custom_action_order( rsc, stop_key(rsc), NULL, NULL,crm_strdup(CRM_OP_FENCE),stonith_op, pe_order_optional, data_set); */ ); g_list_free(action_list); key = demote_key(rsc); action_list = find_actions(rsc->actions, key, node); crm_free(key); slist_iter( action, action_t, action_list, lpc2, if(node->details->online == FALSE || is_set(rsc->flags, pe_rsc_failed)) { crm_info("Demote of failed resource %s is" " implict after %s is fenced", rsc->id, node->details->uname); /* the stop would never complete and is * now implied by the stonith operation */ action->pseudo = TRUE; action->runnable = TRUE; if(is_stonith == FALSE) { order_actions(stonith_op, action, pe_order_optional); } } ); g_list_free(action_list); } void complex_stonith_ordering( resource_t *rsc, action_t *stonith_op, pe_working_set_t *data_set) { gboolean is_stonith = FALSE; const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS); if(rsc->children) { slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->stonith_ordering( child_rsc, stonith_op, data_set); ); return; } if(is_not_set(rsc->flags, pe_rsc_managed)) { crm_debug_3("Skipping fencing constraints for unmanaged resource: %s", rsc->id); return; } if(stonith_op != NULL && safe_str_eq(class, "stonith")) { is_stonith = TRUE; } /* Start constraints */ native_start_constraints(rsc, stonith_op, is_stonith, data_set); /* Stop constraints */ native_stop_constraints(rsc, stonith_op, is_stonith, data_set); } void complex_migrate_reload(resource_t *rsc, pe_working_set_t *data_set) { char *key = NULL; int level = LOG_DEBUG_2; GListPtr action_list = NULL; action_t *stop = NULL; action_t *start = NULL; action_t *other = NULL; action_t *action = NULL; const char *value = NULL; if(rsc->children) { slist_iter( child_rsc, resource_t, rsc->children, lpc, child_rsc->cmds->migrate_reload(child_rsc, data_set); ); return; } CRM_CHECK(rsc->variant == pe_native, return); if(is_not_set(rsc->flags, pe_rsc_managed) || is_set(rsc->flags, pe_rsc_failed) || is_set(rsc->flags, pe_rsc_start_pending) || rsc->next_role != RSC_ROLE_STARTED || g_list_length(rsc->running_on) != 1) { do_crm_log(level, "%s: resource", rsc->id); return; } key = start_key(rsc); action_list = find_actions(rsc->actions, key, NULL); crm_free(key); if(action_list == NULL) { do_crm_log(level, "%s: no start action", rsc->id); return; } start = action_list->data; g_list_free(action_list); value = g_hash_table_lookup(rsc->meta, "allow_migrate"); if(crm_is_true(value)) { set_bit(rsc->flags, pe_rsc_can_migrate); } if(is_not_set(rsc->flags, pe_rsc_can_migrate) && start->allow_reload_conversion == FALSE) { do_crm_log(level, "%s: no need to continue", rsc->id); return; } key = stop_key(rsc); action_list = find_actions(rsc->actions, key, NULL); crm_free(key); if(action_list == NULL) { do_crm_log(level, "%s: no stop action", rsc->id); return; } stop = action_list->data; g_list_free(action_list); action = start; if(action->pseudo || action->optional || action->node == NULL || action->runnable == FALSE) { do_crm_log(level, "%s: %s", rsc->id, action->task); return; } action = stop; if(action->pseudo || action->optional || action->node == NULL || action->runnable == FALSE) { do_crm_log(level, "%s: %s", rsc->id, action->task); return; } slist_iter( other_w, action_wrapper_t, start->actions_before, lpc, gboolean can_migrate = TRUE; resource_t *parent = NULL; other = other_w->action; parent = uber_parent(other->rsc); if(other->optional == TRUE || other->rsc == rsc || parent == NULL) { continue; } if(parent->variant == pe_native || parent->variant == pe_group) { /* clones are the only ones that can be "moved" * and still allow resources sitting on top of * them (ie. us) to be migrated */ can_migrate = FALSE; } else if(safe_str_eq(other->task, CRMD_ACTION_MIGRATE) || safe_str_eq(other->task, CRMD_ACTION_MIGRATED)) { /* we depend on something that is already migrating... * we cant both migrate */ can_migrate = FALSE; } else { /* is the clone also moving moved around? * * if so, then we can't yet be completely sure the * resource can safely migrate since the node we're * moving too may not have the clone instance started * yet * * in theory we can figure out if the clone instance we * will run on is already there, but there that would * involve too much knowledge of internal clone code. * maybe later... */ do_crm_log(level, "%s: start depends on clone %s", rsc->id, parent->id); key = stop_key(parent); action_list = find_actions(parent->actions, key, NULL); crm_free(key); slist_iter( other_stop, action_t, action_list,lpc, if(other_stop && other_stop->optional == FALSE) { do_crm_log(LOG_INFO, "%s: start depends on %s", rsc->id, other_stop->uuid); can_migrate = FALSE; } ); g_list_free(action_list); } if(can_migrate == FALSE) { do_crm_log(LOG_INFO, "%s: start depends on %s", rsc->id, other->uuid); return; } ); if(is_set(rsc->flags, pe_rsc_can_migrate) && stop->node->details != start->node->details) { crm_info("Migrating %s from %s to %s", rsc->id, stop->node->details->uname, start->node->details->uname); crm_free(stop->uuid); crm_free(stop->task); stop->task = crm_strdup(CRMD_ACTION_MIGRATE); stop->uuid = generate_op_key(rsc->id, stop->task, 0); add_hash_param(stop->meta, "migrate_source", stop->node->details->uname); add_hash_param(stop->meta, "migrate_target", start->node->details->uname); slist_iter( other_w, action_wrapper_t, start->actions_before, lpc, other = other_w->action; if(other->optional == FALSE && other->rsc != NULL && other->rsc != rsc) { order_actions(other, stop, other_w->type); } ); crm_free(start->uuid); crm_free(start->task); start->task = crm_strdup(CRMD_ACTION_MIGRATED); start->uuid = generate_op_key(rsc->id, start->task, 0); add_hash_param(start->meta, "migrate_source_uuid", stop->node->details->id); add_hash_param(start->meta, "migrate_source", stop->node->details->uname); add_hash_param(start->meta, "migrate_target", start->node->details->uname); } else if(start->allow_reload_conversion && stop->node->details == start->node->details) { crm_info("Rewriting restart of %s on %s as a reload", rsc->id, start->node->details->uname); crm_free(start->uuid); crm_free(start->task); start->task = crm_strdup("reload"); start->uuid = generate_op_key(rsc->id, start->task, 0); stop->pseudo = TRUE; /* easier than trying to delete it from the graph */ } else { do_crm_log(level, "%s nothing to do", rsc->id); } }