diff --git a/crm/pengine/graph.c b/crm/pengine/graph.c index 996c2fa8ae..6f77247731 100644 --- a/crm/pengine/graph.c +++ b/crm/pengine/graph.c @@ -1,556 +1,566 @@ -/* $Id: graph.c,v 1.75 2006/02/16 22:18:55 andrew Exp $ */ +/* $Id: graph.c,v 1.76 2006/03/09 10:07:53 andrew Exp $ */ /* * 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 #include #include #include gboolean update_action(action_t *action); gboolean update_action_states(GListPtr actions) { crm_debug_2("Updating %d actions", g_list_length(actions)); slist_iter( action, action_t, actions, lpc, update_action(action); ); return TRUE; } #define UPDATE_THEM 1 gboolean update_action(action_t *action) { gboolean change = FALSE; enum action_tasks task = no_action; crm_debug_3("Processing action %s: %s", action->uuid, action->optional?"optional":"required"); slist_iter( other, action_wrapper_t, action->actions_before, lpc, crm_debug_3("\tChecking action %s: %s/%s", other->action->uuid, ordering_type2text(other->type), other->action->optional?"optional":"required"); if(other->type == pe_ordering_restart && action->rsc->role > RSC_ROLE_STOPPED) { crm_debug_3("Upgrading %s constraint to %s", ordering_type2text(other->type), ordering_type2text(pe_ordering_manditory)); other->type = pe_ordering_manditory; } if(other->type != pe_ordering_manditory) { crm_debug_3("\t Ignoring: %s", ordering_type2text(other->type)); continue; } else if(action->optional || other->action->optional == FALSE){ crm_debug_3("\t Ignoring: %s/%s", other->action->optional?"-":"they are not optional", action->optional?"we are optional":"-"); continue; } else if(safe_str_eq(other->action->task, CRMD_ACTION_START)) { const char *interval = g_hash_table_lookup( action->extra, "interval"); int interval_i = 0; if(interval != NULL) { interval_i = crm_parse_int(interval, NULL); if(interval_i > 0) { crm_debug_3("Ignoring: start + recurring"); continue; } } } other->action->optional = FALSE; crm_debug_2("* Marking action %s manditory because of %s", other->action->uuid, action->uuid); update_action(other->action); ); slist_iter( other, action_wrapper_t, action->actions_after, lpc, if(action->pseudo == FALSE && action->runnable == FALSE) { if(other->action->runnable == FALSE) { crm_debug_2("Action %s already un-runnable", other->action->uuid); } else if(action->optional == FALSE) { other->action->runnable = FALSE; crm_debug_2("Marking action %s un-runnable" " because of %s", other->action->uuid, action->uuid); update_action(other->action); } } crm_debug_3("\t(Recover) Checking action %s: %s/%s", other->action->uuid, ordering_type2text(other->type), other->action->optional?"optional":"required"); if(other->action->rsc == NULL) { continue; } else if(other->type == pe_ordering_recover) { if(other->action->rsc->restart_type != pe_restart_restart) { crm_debug_3("\t Ignoring: restart type %d", other->action->rsc->restart_type); continue; } } else if(other->type == pe_ordering_restart) { } else if(other->type == pe_ordering_postnotify) { CRM_DEV_ASSERT(action->rsc == other->action->rsc); if(crm_assert_failed) { continue; } } else { crm_debug_3("\t Ignoring: ordering %s", ordering_type2text(other->type)); continue; } if(other->action->optional == FALSE || action->optional) { crm_debug_3("\t Ignoring: %s/%s", action->optional?"we are optional":"-", other->action->optional?"-":"they are not optional"); continue; } task = text2task(action->task); switch(task) { case stop_rsc: case stopped_rsc: crm_debug_3("\t Ignoring: action %s", action->uuid); break; case start_rsc: case started_rsc: crm_debug_2("* (Recover) Marking action %s" " manditory because of %s", other->action->uuid, action->uuid); other->action->optional = FALSE; update_action(other->action); break; default: crm_debug_3("\t Ignoring: action %s", action->uuid); break; } ); if(change) { update_action(action); } crm_debug_3("Action %s: %s", action->uuid, change?"update":"untouched"); return change; } gboolean shutdown_constraints( node_t *node, action_t *shutdown_op, pe_working_set_t *data_set) { /* add the stop to the before lists so it counts as a pre-req * for the shutdown */ slist_iter( rsc, resource_t, node->details->running_rsc, lpc, if(rsc->is_managed == FALSE) { continue; } custom_action_order( rsc, stop_key(rsc), NULL, NULL, crm_strdup(CRM_OP_SHUTDOWN), shutdown_op, pe_ordering_manditory, data_set); ); return TRUE; } gboolean stonith_constraints(node_t *node, action_t *stonith_op, action_t *shutdown_op, pe_working_set_t *data_set) { GListPtr stop_actions = NULL; gboolean run_unprotected = TRUE; if(shutdown_op != NULL && stonith_op != NULL) { /* stop everything we can via shutdown_constraints() and then * shoot the node... the shutdown has been superceeded */ shutdown_op->pseudo = TRUE; shutdown_op->runnable = TRUE; /* shutdown before stonith */ /* Give any resources a chance to shutdown normally */ crm_debug_4("Adding shutdown (%d) as an input to stonith (%d)", shutdown_op->id, stonith_op->id); custom_action_order( NULL, crm_strdup(CRM_OP_SHUTDOWN), shutdown_op, NULL, crm_strdup(CRM_OP_FENCE), stonith_op, pe_ordering_manditory, data_set); } /* * Make sure the stonith OP occurs before we start any shared resources */ slist_iter( rsc, resource_t, data_set->resources, lpc, slist_iter(action, action_t, rsc->actions, lpc2, if(action->needs != rsc_req_stonith) { continue; } if(stonith_op != NULL) { custom_action_order( NULL, crm_strdup(CRM_OP_FENCE), stonith_op, rsc, NULL, action, pe_ordering_manditory, data_set); } else if(run_unprotected == FALSE) { /* mark the start unrunnable */ action->runnable = FALSE; } else { pe_err("SHARED RESOURCE %s IS NOT PROTECTED:" " Stonith disabled", rsc->id); } ); ); /* add the stonith OP as a stop pre-req and the mark the stop * as a pseudo op - since its now redundant */ slist_iter( rsc, resource_t, node->details->running_rsc, lpc, if(rsc->is_managed == FALSE) { crm_debug_2("Skipping fencing constraints for unmanaged resource: %s", rsc->id); } else if(stonith_op != NULL) { char *key = stop_key(rsc); stop_actions = find_actions(rsc->actions, key, node); crm_free(key); slist_iter( action, action_t, stop_actions, lpc2, if(node->details->online == FALSE || rsc->failed) { crm_info("Stop 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; custom_action_order( NULL, crm_strdup(CRM_OP_FENCE),stonith_op, rsc, start_key(rsc), NULL, pe_ordering_manditory, data_set); } else { 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_ordering_manditory, data_set); } ); crm_debug_4("Adding stonith (%d) as an input to stop", stonith_op->id); /* } else if((rsc->unclean || node->details->unclean) */ /* && rsc->stopfail_type == pesf_block) { */ /* /\* depend on the stop action which will fail *\/ */ /* pe_err("SHARED RESOURCE %s WILL REMAIN BLOCKED" */ /* " ON NODE %s UNTIL %s", */ /* rsc->id, node->details->uname, */ /* data_set->stonith_enabled?"QUORUM RETURNS":"CLEANED UP MANUALLY"); */ /* continue; */ /* } else if((rsc->unclean || node->details->unclean) */ /* && rsc->stopfail_type == pesf_ignore) { */ /* /\* nothing to do here *\/ */ /* pe_err("SHARED RESOURCE %s IS NOT PROTECTED", rsc->id); */ /* continue; */ } ); return TRUE; } static void dup_attr(gpointer key, gpointer value, gpointer user_data) { g_hash_table_replace(user_data, crm_strdup(key), crm_strdup(value)); } crm_data_t * action2xml(action_t *action, gboolean as_input) { gboolean needs_node_info = TRUE; crm_data_t * action_xml = NULL; crm_data_t * args_xml = NULL; char *action_id_s = NULL; if(action == NULL) { return NULL; } crm_debug_4("Dumping action %d as XML", action->id); if(safe_str_eq(action->task, CRM_OP_FENCE)) { action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT); /* needs_node_info = FALSE; */ } else if(safe_str_eq(action->task, CRM_OP_SHUTDOWN)) { action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT); } else if(safe_str_eq(action->task, CRM_OP_LRM_REFRESH)) { action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT); /* } else if(safe_str_eq(action->task, CRMD_ACTION_PROBED)) { */ /* action_xml = create_xml_node(NULL, XML_GRAPH_TAG_CRM_EVENT); */ } else if(action->pseudo) { action_xml = create_xml_node(NULL, XML_GRAPH_TAG_PSEUDO_EVENT); needs_node_info = FALSE; } else { action_xml = create_xml_node(NULL, XML_GRAPH_TAG_RSC_OP); } action_id_s = crm_itoa(action->id); crm_xml_add(action_xml, XML_ATTR_ID, action_id_s); crm_free(action_id_s); if(action->rsc != NULL) { crm_xml_add( action_xml, XML_LRM_ATTR_RSCID, action->rsc->name); } crm_xml_add(action_xml, XML_LRM_ATTR_TASK, action->task); crm_xml_add(action_xml, XML_LRM_ATTR_TASK_KEY, action->uuid); if(needs_node_info && action->node != NULL) { crm_xml_add(action_xml, XML_LRM_ATTR_TARGET, action->node->details->uname); crm_xml_add(action_xml, XML_LRM_ATTR_TARGET_UUID, action->node->details->id); CRM_DEV_ASSERT(NULL != crm_element_value( action_xml, XML_LRM_ATTR_TARGET)); CRM_DEV_ASSERT(NULL != crm_element_value( action_xml, XML_LRM_ATTR_TARGET_UUID)); } if(action->failure_is_fatal == FALSE) { g_hash_table_insert( action->extra, crm_strdup(XML_ATTR_TE_ALLOWFAIL), crm_strdup(XML_BOOLEAN_TRUE)); } if(as_input) { return action_xml; } if(action->notify_keys != NULL) { g_hash_table_foreach( action->notify_keys, dup_attr, action->extra); } if(action->rsc != NULL && action->pseudo == FALSE) { crm_data_t *rsc_xml = create_xml_node( action_xml, crm_element_name(action->rsc->xml)); copy_in_properties(rsc_xml, action->rsc->xml); args_xml = create_xml_node(action_xml, XML_TAG_ATTRS); g_hash_table_foreach(action->extra, hash2field, args_xml); g_hash_table_foreach( action->rsc->parameters, hash2field, args_xml); } else { args_xml = create_xml_node(action_xml, XML_TAG_ATTRS); g_hash_table_foreach(action->extra, hash2field, args_xml); } crm_log_xml_debug_2(action_xml, "dumped action"); return action_xml; } static gboolean should_dump_action(action_t *action) { const char * interval = g_hash_table_lookup(action->extra, "interval"); if(action == NULL) { pe_err("Cannot dump NULL action"); return FALSE; } else if(action->optional) { crm_debug_5("action %d was optional", action->id); return FALSE; } else if(action->pseudo == FALSE && action->runnable == FALSE) { crm_debug_5("action %d was not runnable", action->id); return FALSE; } else if(action->dumped) { crm_debug_5("action %d was already dumped", action->id); return FALSE; } else if(action->rsc != NULL && action->rsc->is_managed == FALSE) { /* make sure probes go through */ if(safe_str_neq(action->task, CRMD_ACTION_STATUS)) { pe_warn("action %d (%s) was for an unmanaged resource (%s)", action->id, action->uuid, action->rsc->id); return FALSE; } if(interval != NULL && safe_str_neq(interval, "0")) { pe_warn("action %d (%s) was for an unmanaged resource (%s)", action->id, action->uuid, action->rsc->id); return FALSE; } } if(action->pseudo || safe_str_eq(action->task, CRM_OP_FENCE) || safe_str_eq(action->task, CRM_OP_SHUTDOWN)) { - /* skip the next two checks */ + /* skip the next checks */ return TRUE; } if(action->node == NULL) { pe_err("action %d (%s) was not allocated", action->id, action->uuid); log_action(LOG_DEBUG, "Unallocated action", action, FALSE); return FALSE; } else if(action->node->details->online == FALSE) { pe_err("action %d was (%s) scheduled for offline node", action->id, action->uuid); log_action(LOG_DEBUG, "Action for offline node", action, FALSE); return FALSE; +#if 0 + /* but this would also affect resources that can be safely + * migrated before a fencing op + */ + } else if(action->node->details->unclean == FALSE) { + pe_err("action %d was (%s) scheduled for unclean node", + action->id, action->uuid); + log_action(LOG_DEBUG, "Action for unclean node", action, FALSE); + return FALSE; +#endif } return TRUE; } void graph_element_from_action(action_t *action, pe_working_set_t *data_set) { int last_action = -1; int synapse_priority = 0; crm_data_t * syn = NULL; crm_data_t * set = NULL; crm_data_t * in = NULL; crm_data_t * input = NULL; crm_data_t * xml_action = NULL; if(should_dump_action(action) == FALSE) { return; } action->dumped = TRUE; syn = create_xml_node(data_set->graph, "synapse"); set = create_xml_node(syn, "action_set"); in = create_xml_node(syn, "inputs"); crm_xml_add_int(syn, XML_ATTR_ID, data_set->num_synapse); data_set->num_synapse++; if(action->rsc != NULL) { synapse_priority = action->rsc->priority; } if(synapse_priority > 0) { crm_xml_add_int(syn, XML_CIB_ATTR_PRIORITY, synapse_priority); } xml_action = action2xml(action, FALSE); add_node_copy(set, xml_action); free_xml(xml_action); action->actions_before = g_list_sort( action->actions_before, sort_action_id); slist_iter(wrapper,action_wrapper_t,action->actions_before,lpc, if(last_action == wrapper->action->id) { crm_debug_2("Input (%d) %s duplicated", wrapper->action->id, wrapper->action->uuid); continue; } else if(wrapper->action->optional == TRUE) { crm_debug_2("Input (%d) %s optional", wrapper->action->id, wrapper->action->uuid); continue; } CRM_DEV_ASSERT(last_action < wrapper->action->id); last_action = wrapper->action->id; input = create_xml_node(in, "trigger"); xml_action = action2xml(wrapper->action, TRUE); add_node_copy(input, xml_action); free_xml(xml_action); ); }