diff --git a/crm/pengine/complex.c b/crm/pengine/complex.c index b87818ef33..e68985630b 100644 --- a/crm/pengine/complex.c +++ b/crm/pengine/complex.c @@ -1,479 +1,483 @@ -/* $Id: complex.c,v 1.40 2005/06/29 16:43:12 andrew Exp $ */ +/* $Id: complex.c,v 1.41 2005/06/30 11:59:43 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 gboolean update_node_weight(rsc_to_node_t *cons,const char *id,GListPtr nodes); gboolean is_active(rsc_to_node_t *cons); gboolean constraint_violated( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint); void order_actions(action_t *lh, action_t *rh, order_constraint_t *order); gboolean has_agent(node_t *a_node, lrm_agent_t *an_agent); extern gboolean rsc_colocation_new(const char *id, enum con_strength strength, resource_t *rsc_lh, resource_t *rsc_rh); extern rsc_to_node_t *rsc2node_new( const char *id, resource_t *rsc, double weight, node_t *node, pe_working_set_t *data_set); resource_object_functions_t resource_class_functions[] = { { native_unpack, native_find_child, native_num_allowed_nodes, native_color, native_create_actions, native_internal_constraints, native_agent_constraints, native_rsc_colocation_lh, native_rsc_colocation_rh, native_rsc_order_lh, native_rsc_order_rh, native_rsc_location, native_expand, native_dump, native_printw, native_free }, { group_unpack, group_find_child, group_num_allowed_nodes, group_color, group_create_actions, group_internal_constraints, group_agent_constraints, group_rsc_colocation_lh, group_rsc_colocation_rh, group_rsc_order_lh, group_rsc_order_rh, group_rsc_location, group_expand, group_dump, group_printw, group_free }, { incarnation_unpack, incarnation_find_child, incarnation_num_allowed_nodes, incarnation_color, incarnation_create_actions, incarnation_internal_constraints, incarnation_agent_constraints, incarnation_rsc_colocation_lh, incarnation_rsc_colocation_rh, incarnation_rsc_order_lh, incarnation_rsc_order_rh, incarnation_rsc_location, incarnation_expand, incarnation_dump, incarnation_printw, incarnation_free } }; /* resource_object_functions_t resource_variants[] = resource_class_functions; */ int get_resource_type(const char *name) { if(safe_str_eq(name, "resource")) { return pe_native; } else if(safe_str_eq(name, "resource_group")) { return pe_group; } else if(safe_str_eq(name, XML_RSC_ATTR_INCARNATION)) { return pe_incarnation; } return pe_unknown; } gboolean is_active(rsc_to_node_t *cons) { /* todo: check constraint lifetime */ return TRUE; } void inherit_parent_attributes( crm_data_t *parent, crm_data_t *child, gboolean overwrite) { int lpc = 0; const char *attributes[] = { XML_RSC_ATTR_STOPFAIL, XML_RSC_ATTR_RESTART, "multiple_active", "start_prereq", "resource_stickiness", "is_managed" }; for(lpc = 0; lpc < DIMOF(attributes); lpc++) { const char *attr_p = crm_element_value(parent, attributes[lpc]); const char *attr_c = crm_element_value(child, attributes[lpc]); if(attr_c != NULL && safe_str_neq(attr_p, attr_c)) { if(overwrite == FALSE) { crm_debug_2("Resource %s: ignoring parent value for %s", ID(child), attributes[lpc]); continue; } pe_warn("Resource %s: Overwriting attribute %s: %s->%s", ID(child), attributes[lpc], attr_c, attr_p); } if(attr_p != NULL) { crm_xml_add(child, attributes[lpc], attr_p); } } } gboolean common_unpack( crm_data_t * xml_obj, resource_t **rsc, pe_working_set_t *data_set) { - int stickiness = data_set->default_resource_stickiness; const char *id = crm_element_value(xml_obj, XML_ATTR_ID); const char *restart = crm_element_value(xml_obj, XML_RSC_ATTR_RESTART); const char *multiple = crm_element_value(xml_obj, "multiple_active"); const char *placement= crm_element_value(xml_obj, "resource_stickiness"); const char *priority = NULL; const char *is_managed = NULL; crm_log_xml_debug_2(xml_obj, "Processing resource input..."); if(id == NULL) { pe_err("Must specify id tag in "); return FALSE; } else if(rsc == NULL) { pe_err("Nowhere to unpack resource into"); return FALSE; } crm_malloc0(*rsc, sizeof(resource_t)); if(*rsc == NULL) { return FALSE; } (*rsc)->id = id; (*rsc)->xml = xml_obj; (*rsc)->ops_xml = find_xml_node(xml_obj, "operations", FALSE); (*rsc)->variant = get_resource_type(crm_element_name(xml_obj)); if((*rsc)->variant == pe_unknown) { pe_err("Unknown resource type: %s", crm_element_name(xml_obj)); crm_free(*rsc); return FALSE; } (*rsc)->fns = &resource_class_functions[(*rsc)->variant]; crm_debug_3("Unpacking resource..."); (*rsc)->parameters = g_hash_table_new_full( g_str_hash,g_str_equal, g_hash_destroy_str,g_hash_destroy_str); unpack_instance_attributes(xml_obj, (*rsc)->parameters); priority = get_rsc_param(*rsc, XML_CIB_ATTR_PRIORITY); (*rsc)->priority = atoi(priority?priority:"0"); (*rsc)->effective_priority = (*rsc)->priority; (*rsc)->recovery_type = recovery_stop_start; (*rsc)->runnable = TRUE; (*rsc)->provisional = TRUE; (*rsc)->start_pending = FALSE; (*rsc)->starting = FALSE; (*rsc)->stopping = FALSE; (*rsc)->candidate_colors = NULL; (*rsc)->rsc_cons = NULL; (*rsc)->actions = NULL; (*rsc)->is_managed = TRUE; + (*rsc)->stickiness = data_set->default_resource_stickiness; is_managed = crm_element_value((*rsc)->xml, "is_managed"); if(is_managed != NULL && crm_is_true(is_managed) == FALSE) { (*rsc)->is_managed = FALSE; crm_warn("Resource %s is currently not managed", (*rsc)->id); #if 0 rsc_to_node_t *new_con = NULL; /* prevent this resource from running anywhere */ new_con = rsc2node_new( "is_managed_default", *rsc, -INFINITY, NULL, data_set); new_con->node_list_rh = node_list_dup(data_set->nodes, FALSE); #endif } else if((*rsc)->is_managed && data_set->symmetric_cluster) { rsc_to_node_t *new_con = rsc2node_new( "symmetric_default", *rsc, 0, NULL, data_set); new_con->node_list_rh = node_list_dup(data_set->nodes, FALSE); } crm_debug_2("Options for %s", id); if(safe_str_eq(restart, "restart")) { (*rsc)->restart_type = pe_restart_restart; crm_debug_2("\tDependancy restart handling: restart"); } else { (*rsc)->restart_type = pe_restart_ignore; crm_debug_2("\tDependancy restart handling: ignore"); } if(safe_str_eq(multiple, "stop_only")) { (*rsc)->recovery_type = recovery_stop_only; crm_debug_2("\tMultiple running resource recovery: stop only"); } else if(safe_str_eq(multiple, "block")) { (*rsc)->recovery_type = recovery_block; crm_debug_2("\tMultiple running resource recovery: block"); } else { (*rsc)->recovery_type = recovery_stop_start; crm_debug_2("\tMultiple running resource recovery: stop/start"); } if(placement != NULL) { - stickiness = atoi(placement); + if(safe_str_eq(placement, "INFINITY")) { + (*rsc)->stickiness = INFINITY; + + } else if(safe_str_eq(placement, "-INFINITY")) { + (*rsc)->stickiness = -INFINITY; + + } else { + (*rsc)->stickiness = atoi(placement); + } } - if(stickiness > 0) { + if((*rsc)->stickiness > 0) { crm_debug_2("\tPlacement: prefer current location%s", placement == NULL?" (default)":""); - rsc_colocation_new("__generated_internal_placement__", - pecs_must, *rsc, *rsc); - } else if(stickiness < 0) { + } else if((*rsc)->stickiness < 0) { crm_warn("\tPlacement: always move from the current location%s", placement == NULL?" (default)":""); - rsc_colocation_new("__generated_internal_placement__", - pecs_must_not, *rsc, *rsc); } else { crm_debug_2("\tPlacement: optimal%s", placement == NULL?" (default)":""); } (*rsc)->fns->unpack(*rsc, data_set); return TRUE; } void order_actions(action_t *lh_action, action_t *rh_action, order_constraint_t *order) { action_wrapper_t *wrapper = NULL; GListPtr list = NULL; crm_debug_2("Ordering %d: Action %d before %d", order?order->id:-1, lh_action->id, rh_action->id); log_action(LOG_DEBUG_4, "LH (order_actions)", lh_action, FALSE); log_action(LOG_DEBUG_4, "RH (order_actions)", rh_action, FALSE); crm_malloc0(wrapper, sizeof(action_wrapper_t)); if(wrapper != NULL) { wrapper->action = rh_action; wrapper->type = order->type; list = lh_action->actions_after; list = g_list_append(list, wrapper); lh_action->actions_after = list; wrapper = NULL; } if(order->type != pe_ordering_recover) { crm_malloc0(wrapper, sizeof(action_wrapper_t)); if(wrapper != NULL) { wrapper->action = lh_action; wrapper->type = order->type; list = rh_action->actions_before; list = g_list_append(list, wrapper); rh_action->actions_before = list; } } } void common_printw(resource_t *rsc, const char *pre_text, int *index) { #ifdef HAVE_LIBNCURSES const char *prov = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER); move(*index, 0); printw("%s%s %s (%s%s%s:%s):\t", pre_text?pre_text:"", crm_element_name(rsc->xml), rsc->id, prov?prov:"", prov?"::":"", crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS), crm_element_value(rsc->xml, XML_ATTR_TYPE)); #else crm_err("printw support requires ncurses to be available during configure"); #endif } void common_dump(resource_t *rsc, const char *pre_text, gboolean details) { crm_debug_4("%s%s%s%sResource %s: (variant=%s, priority=%f)", pre_text==NULL?"":pre_text, pre_text==NULL?"":": ", rsc->provisional?"Provisional ":"", rsc->runnable?"":"(Non-Startable) ", rsc->id, crm_element_name(rsc->xml), (double)rsc->priority); } void common_free(resource_t *rsc) { if(rsc == NULL) { return; } crm_debug_5("Freeing %s", rsc->id); while(rsc->rsc_cons) { pe_free_rsc_colocation( (rsc_colocation_t*)rsc->rsc_cons->data); rsc->rsc_cons = rsc->rsc_cons->next; } if(rsc->rsc_cons != NULL) { g_list_free(rsc->rsc_cons); } if(rsc->parameters != NULL) { g_hash_table_destroy(rsc->parameters); } pe_free_shallow_adv(rsc->candidate_colors, TRUE); crm_free(rsc->variant_opaque); crm_free(rsc); crm_debug_5("Resource freed"); } void common_agent_constraints( GListPtr node_list, lrm_agent_t *agent, const char *id) { #if 0 slist_iter( node, node_t, node_list, lpc, crm_debug_5("Checking if %s supports %s/%s (%s)", node->details->uname, agent->class, agent->type, agent->version); if(has_agent(node, agent) == FALSE) { /* remove node from contention */ crm_debug_5("Marking node %s unavailable for %s", node->details->uname, id); node->weight = -1.0; node->fixed = TRUE; } ); #endif } void unpack_instance_attributes(crm_data_t *xml_obj, GHashTable *hash) { const char *name = NULL; const char *value = NULL; if(xml_obj == NULL) { crm_debug_4("No instance attributes"); return; } xml_child_iter( xml_obj, attr_set, XML_TAG_ATTR_SETS, xml_child_iter( attr_set, attrs, XML_TAG_ATTRS, /* todo: check any rules */ xml_child_iter( attrs, an_attr, XML_CIB_TAG_NVPAIR, name = crm_element_value( an_attr, XML_NVPAIR_ATTR_NAME); value = crm_element_value( an_attr, XML_NVPAIR_ATTR_VALUE); add_hash_param(hash, name, value); ); ); ); } void add_rsc_param(resource_t *rsc, const char *name, const char *value) { CRM_DEV_ASSERT(rsc != NULL); if(crm_assert_failed) { return; } add_hash_param(rsc->parameters, name, value); } void add_hash_param(GHashTable *hash, const char *name, const char *value) { CRM_DEV_ASSERT(hash != NULL); if(crm_assert_failed) { return; } crm_debug_3("adding: name=%s value=%s", crm_str(name), crm_str(value)); if(name == NULL || value == NULL) { return; } else if(g_hash_table_lookup(hash, name) == NULL) { g_hash_table_insert(hash, crm_strdup(name), crm_strdup(value)); } } const char * get_rsc_param(resource_t *rsc, const char *name) { CRM_DEV_ASSERT(rsc != NULL); if(crm_assert_failed) { return NULL; } return g_hash_table_lookup(rsc->parameters, name); } void hash2nvpair(gpointer key, gpointer value, gpointer user_data) { const char *name = key; const char *s_value = value; crm_data_t *xml_node = user_data; crm_data_t *xml_child = create_xml_node(xml_node, XML_CIB_TAG_NVPAIR); crm_xml_add(xml_child, XML_NVPAIR_ATTR_NAME, name); crm_xml_add(xml_child, XML_NVPAIR_ATTR_VALUE, s_value); crm_debug_3("dumped: name=%s value=%s", name, s_value); } diff --git a/crm/pengine/native.c b/crm/pengine/native.c index 0bfaa5c423..b9fd2f3c61 100644 --- a/crm/pengine/native.c +++ b/crm/pengine/native.c @@ -1,1277 +1,1283 @@ -/* $Id: native.c,v 1.54 2005/06/29 16:43:12 andrew Exp $ */ +/* $Id: native.c,v 1.55 2005/06/30 11:59:43 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 extern color_t *add_color(resource_t *rh_resource, color_t *color); gboolean native_choose_color(resource_t *lh_resource, color_t *no_color); void native_assign_color(resource_t *rsc, color_t *color); void native_update_node_weight(resource_t *rsc, rsc_to_node_t *cons, const char *id, GListPtr nodes); 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 filter_nodes(resource_t *rsc); int num_allowed_nodes4color(color_t *color); void create_recurring_actions(resource_t *rsc, action_t *start, node_t *node, pe_working_set_t *data_set); action_t *create_recurring_action(resource_t *rsc, node_t *node, const char *action, const char *key); extern rsc_to_node_t * rsc2node_new(const char *id, resource_t *rsc, double weight, node_t *node, pe_working_set_t *data_set); typedef struct native_variant_data_s { lrm_agent_t *agent; GListPtr running_on; /* node_t* */ color_t *color; GListPtr node_cons; /* rsc_to_node_t* */ GListPtr allowed_nodes; /* node_t* */ } native_variant_data_t; #define get_native_variant_data(data, rsc) \ CRM_ASSERT(rsc->variant == pe_native); \ CRM_ASSERT(rsc->variant_opaque != NULL); \ data = (native_variant_data_t *)rsc->variant_opaque; void native_add_running(resource_t *rsc, node_t *node, pe_working_set_t *data_set) { native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); CRM_DEV_ASSERT(node != NULL); if(crm_assert_failed) { return; } slist_iter( a_node, node_t, native_data->running_on, lpc, CRM_DEV_ASSERT(a_node != NULL); if(safe_str_eq(a_node->details->id, node->details->id)) { return; } ); native_data->running_on = g_list_append(native_data->running_on, node); node->details->running_rsc = g_list_append( node->details->running_rsc, rsc); if(rsc->is_managed == FALSE) { rsc2node_new( "not_managed_default", rsc, INFINITY, node, data_set); return; + + } else if(rsc->stickiness > 0) { + rsc2node_new("stickiness", rsc, INFINITY, node, data_set); + + } else if(rsc->stickiness < 0) { + rsc2node_new("stickiness", rsc, -INFINITY, node, data_set); } if(g_list_length(native_data->running_on) > 1) { pe_warn("Resource %s is (potentially) active on %d nodes." " Latest: %s/%s", rsc->id, g_list_length(native_data->running_on), node->details->uname, node->details->id); } } void native_unpack(resource_t *rsc, pe_working_set_t *data_set) { crm_data_t * xml_obj = rsc->xml; native_variant_data_t *native_data = NULL; const char *version = crm_element_value(xml_obj, XML_ATTR_VERSION); crm_debug_3("Processing resource %s...", rsc->id); crm_malloc0(native_data, sizeof(native_variant_data_t)); crm_malloc0(native_data->agent, sizeof(lrm_agent_t)); native_data->agent->class = crm_element_value(xml_obj, "class"); native_data->agent->type = crm_element_value(xml_obj, "type"); native_data->agent->version = version?version:"0.0"; native_data->color = NULL; native_data->allowed_nodes = NULL; native_data->node_cons = NULL; native_data->running_on = NULL; rsc->variant_opaque = native_data; } resource_t * native_find_child(resource_t *rsc, const char *id) { return NULL; } int native_num_allowed_nodes(resource_t *rsc) { int num_nodes = 0; native_variant_data_t *native_data = NULL; if(rsc->variant == pe_native) { native_data = (native_variant_data_t *)rsc->variant_opaque; } else { pe_err("Resource %s was not a \"native\" variant", rsc->id); return 0; } if(native_data->color) { crm_debug_4("Colored case"); num_nodes = num_allowed_nodes4color(native_data->color); } else if(rsc->candidate_colors) { /* TODO: sort colors first */ color_t *color = g_list_nth_data(rsc->candidate_colors, 0); crm_debug_4("Candidate colors case"); num_nodes = num_allowed_nodes4color(color); } else { crm_debug_4("Default case"); slist_iter( this_node, node_t, native_data->allowed_nodes, lpc, crm_debug_3("Rsc %s Checking %s: %f", rsc->id, this_node->details->uname, this_node->weight); if(this_node->details->shutdown || this_node->details->online == FALSE) { this_node->weight = -INFINITY; } if(this_node->weight < 0) { continue; /* } else if(this_node->details->unclean) { */ /* continue; */ } num_nodes++; ); } crm_debug_2("Resource %s can run on %d nodes", rsc->id, num_nodes); return num_nodes; } int num_allowed_nodes4color(color_t *color) { int num_nodes = 0; if(color->details->pending == FALSE) { if(color->details->chosen_node) { return 1; } return 0; } slist_iter( this_node, node_t, color->details->candidate_nodes, lpc, crm_debug_3("Checking %s: %f", this_node->details->uname, this_node->weight); if(this_node->details->shutdown || this_node->details->online == FALSE) { this_node->weight = -INFINITY; } if(this_node->weight < 0) { continue; /* } else if(this_node->details->unclean) { */ /* continue; */ } num_nodes++; ); return num_nodes; } void native_color(resource_t *rsc, pe_working_set_t *data_set) { color_t *new_color = NULL; native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); if( native_choose_color(rsc, data_set->no_color) ) { crm_debug_3("Colored resource %s with color %d", rsc->id, native_data->color->id); } else { if(native_data->allowed_nodes != NULL) { /* filter out nodes with a negative weight */ filter_nodes(rsc); new_color = create_color(data_set, rsc, native_data->allowed_nodes); native_assign_color(rsc, new_color); } if(new_color == NULL) { pe_warn("Resource %s cannot run anywhere", rsc->id); print_resource("ERROR: No color", rsc, FALSE); native_assign_color(rsc, data_set->no_color); } } rsc->provisional = FALSE; } void create_recurring_actions(resource_t *rsc, action_t *start, node_t *node, pe_working_set_t *data_set) { action_t *mon = NULL; char *key = NULL; const char *name = NULL; const char *value = NULL; if(node == NULL || !node->details->online || node->details->unclean) { crm_debug_3("Not creating recurring actions"); return; } xml_child_iter( rsc->ops_xml, operation, "op", name = crm_element_value(operation, "name"); value = crm_element_value(operation, "interval"); key = generate_op_key(rsc->id, name, crm_get_msec(value)); mon = custom_action(rsc, key, name, node, start->optional, data_set); if(mon->optional == FALSE && node != NULL) { crm_info(" %s:\t(%s)", mon->uuid, node->details->uname); } custom_action_order(rsc, start_key(rsc), NULL, NULL, crm_strdup(key), mon, pe_ordering_manditory, data_set); ); } void native_create_actions(resource_t *rsc, pe_working_set_t *data_set) { action_t *start = NULL; action_t *stop = NULL; node_t *chosen = NULL; native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); if(native_data->color != NULL) { chosen = native_data->color->details->chosen_node; } if(chosen != NULL && g_list_length(native_data->running_on) == 0) { start = start_action(rsc, chosen, TRUE); if(start->runnable && data_set->have_quorum == FALSE && data_set->no_quorum_policy != no_quorum_ignore) { crm_warn("Start resource %s\t(%s) (cancelled : quorum)", rsc->id, chosen->details->uname); start->runnable = FALSE; } else { crm_info("Start resource %s\t(%s)", rsc->id, chosen->details->uname); start->optional = FALSE; start->rsc->start_pending = TRUE; } } else if(g_list_length(native_data->running_on) > 1) { pe_err("Attempting recovery of resource %s", rsc->id); if(rsc->recovery_type == recovery_stop_start || rsc->recovery_type == recovery_stop_only) { slist_iter( node, node_t, native_data->running_on, lpc, crm_info("Stop resource %s\t(%s) (recovery)", rsc->id, node->details->uname); stop = stop_action(rsc, node, FALSE); ); } if(rsc->recovery_type == recovery_stop_start && chosen) { /* if one of the "stops" is for a node outside * our partition, then this will block anyway */ start = start_action(rsc, chosen, FALSE); if(start->runnable) { crm_info("Recover resource %s\t(%s)", rsc->id, chosen->details->uname); } /* make the restart required */ order_stop_start(rsc, rsc, pe_ordering_manditory); } if(rsc->recovery_type == recovery_block) { pe_warn("RESOURCE %s WILL REMAIN ACTIVE ON MULTIPLE" " NODES PENDING MANUAL INTERVENTION", rsc->id); slist_iter( node, node_t, native_data->running_on, lpc, pe_warn("Resource %s active on %s", rsc->id, node->details->uname); ); } } else if(g_list_length(native_data->running_on) == 1) { node_t *node = native_data->running_on->data; crm_debug_2("Stop%s of %s", chosen?" and restart":"", rsc->id); CRM_DEV_ASSERT(node != NULL); if(chosen == NULL) { crm_info("Stop resource %s\t(%s)", rsc->id, node->details->uname); stop_action(rsc, node, FALSE); } else if(safe_str_eq(node->details->id, chosen->details->id)) { stop = stop_action(rsc, node, TRUE); start = start_action(rsc, chosen, TRUE); if(start->runnable == FALSE) { crm_info("Stop resource %s\t(%s)", rsc->id, node->details->uname); stop->optional = FALSE; } else if(rsc->recover) { crm_info("Restart resource %s\t(%s)", rsc->id, node->details->uname); /* make the restart required */ order_stop_start(rsc, rsc, pe_ordering_manditory); start->optional = FALSE; stop->optional = FALSE; } else { crm_info("Leave resource %s\t(%s)", rsc->id, node->details->uname); if(stop->optional == FALSE) { start->optional = FALSE; } else if(rsc->start_pending) { start->optional = FALSE; } } } else { /* move */ stop = stop_action(rsc, node, FALSE); start = start_action(rsc, chosen, FALSE); if(start->runnable) { crm_info("Move resource %s\t(%s -> %s)", rsc->id, node->details->uname, chosen->details->uname); } else { crm_info("Stop resource %s\t(%s)", rsc->id, node->details->uname); } /* make the restart required */ order_stop_start(rsc, rsc, pe_ordering_manditory); } } if(start != NULL && start->runnable) { create_recurring_actions(rsc, start, chosen, data_set); } } void native_internal_constraints(resource_t *rsc, pe_working_set_t *data_set) { native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); order_restart(rsc); } void native_rsc_colocation_lh(rsc_colocation_t *constraint) { resource_t *rsc = constraint->rsc_lh; 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); } constraint->rsc_rh->fns->rsc_colocation_rh(rsc, constraint); } void native_rsc_colocation_rh(resource_t *rsc, rsc_colocation_t *constraint) { gboolean do_check = FALSE; gboolean update_lh = FALSE; gboolean update_rh = FALSE; resource_t *rsc_lh = rsc; resource_t *rsc_rh = constraint->rsc_rh; native_variant_data_t *native_data_lh = NULL; native_variant_data_t *native_data_rh = NULL; get_native_variant_data(native_data_lh, rsc_lh); get_native_variant_data(native_data_rh, rsc_rh); - crm_debug_3("Processing RH of constraint %s", constraint->id); - crm_action_debug_3(print_resource("LHS", rsc_lh, TRUE)); - crm_action_debug_3(print_resource("RHS", rsc_rh, TRUE)); + crm_debug_2("%sColocating %s with %s", + constraint->strength == pecs_must?"":"Anti-", + rsc_lh->id, rsc_rh->id); if(constraint->strength == pecs_ignore || constraint->strength == pecs_startstop){ crm_debug_4("Skipping constraint type %d", constraint->strength); return; } - + if(rsc_lh->provisional && rsc_rh->provisional) { if(constraint->strength == pecs_must) { /* update effective_priorities */ native_rsc_colocation_rh_must( rsc_lh, update_lh, rsc_rh, update_rh); } else { /* nothing */ crm_debug_4( "Skipping constraint, both sides provisional"); } return; } else if( (!rsc_lh->provisional) && (!rsc_rh->provisional) && (!native_data_lh->color->details->pending) && (!native_data_rh->color->details->pending) ) { /* error check */ do_check = TRUE; if(rsc_lh->effective_priority < rsc_rh->effective_priority) { update_lh = TRUE; } else if(rsc_lh->effective_priority > rsc_rh->effective_priority) { update_rh = TRUE; } else { update_lh = TRUE; update_rh = TRUE; } } else if(rsc_lh->provisional == FALSE && native_data_lh->color->details->pending == FALSE) { /* update _them_ : postproc color version */ update_rh = TRUE; } else if(rsc_rh->provisional == FALSE && native_data_rh->color->details->pending == FALSE) { /* update _us_ : postproc color alt version */ update_lh = TRUE; } else if(rsc_lh->provisional == FALSE) { /* update _them_ : preproc version */ update_rh = TRUE; } else if(rsc_rh->provisional == FALSE) { /* update _us_ : postproc version */ update_lh = TRUE; } else { pe_warn("Un-expected combination of inputs"); return; } if(update_lh) { crm_debug_4("Updating LHS"); } if(update_rh) { crm_debug_4("Updating RHS"); } if(do_check) { if(native_constraint_violated( rsc_lh, rsc_rh, constraint) == FALSE) { crm_debug_4("Constraint satisfied"); return; } /* else constraint cant be satisified */ pe_warn("Constraint %s could not be satisfied", constraint->id); if(update_lh) { pe_warn("Marking resource %s unrunnable as a result", rsc_lh->id); rsc_lh->runnable = FALSE; } if(update_rh) { pe_warn("Marking resource %s unrunnable as a result", rsc_rh->id); rsc_rh->runnable = FALSE; } } if(constraint->strength == pecs_must) { native_rsc_colocation_rh_must( rsc_lh, update_lh, rsc_rh, update_rh); return; } else if(constraint->strength != pecs_must_not) { /* unknown type */ pe_err("Unknown constraint type %d", constraint->strength); return; } native_rsc_colocation_rh_mustnot(rsc_lh, update_lh,rsc_rh, update_rh); } void native_rsc_order_lh(resource_t *lh_rsc, order_constraint_t *order) { GListPtr lh_actions = NULL; action_t *lh_action = order->lh_action; crm_debug_3("Processing LH of ordering constraint %d", order->id); if(lh_action != NULL) { lh_actions = g_list_append(NULL, lh_action); } else if(lh_action == NULL && lh_rsc != NULL) { #if 0 /* this should be safe to remove */ if(order->strength == pecs_must) { crm_debug_4("No LH-Side (%s/%s) found for constraint..." " creating", lh_rsc->id, order->lh_action_task); pe_err("BROKEN CODE"); custom_action( lh_rsc, order->lh_action_task, NULL, NULL); } #endif lh_actions = find_actions( lh_rsc->actions, order->lh_action_task, NULL); if(lh_actions == NULL) { crm_debug_4("No LH-Side (%s/%s) found for constraint", lh_rsc->id, order->lh_action_task); if(order->rh_rsc != NULL) { crm_debug_4("RH-Side was: (%s/%s)", order->rh_rsc->id, order->rh_action_task); } else if(order->rh_action != NULL && order->rh_action->rsc != NULL) { crm_debug_4("RH-Side was: (%s/%s)", order->rh_action->rsc->id, order->rh_action_task); } else if(order->rh_action != NULL) { crm_debug_4("RH-Side was: %s", order->rh_action_task); } else { crm_debug_4("RH-Side was NULL"); } return; } } else { pe_warn("No LH-Side (%s) specified for constraint", order->lh_action_task); if(order->rh_rsc != NULL) { crm_debug_4("RH-Side was: (%s/%s)", order->rh_rsc->id, order->rh_action_task); } else if(order->rh_action != NULL && order->rh_action->rsc != NULL) { crm_debug_4("RH-Side was: (%s/%s)", order->rh_action->rsc->id, order->rh_action_task); } else if(order->rh_action != NULL) { crm_debug_4("RH-Side was: %s", order->rh_action_task); } else { crm_debug_4("RH-Side was NULL"); } return; } slist_iter( lh_action_iter, action_t, lh_actions, lpc, resource_t *rh_rsc = order->rh_rsc; if(rh_rsc == NULL && order->rh_action) { rh_rsc = order->rh_action->rsc; } if(rh_rsc) { rh_rsc->fns->rsc_order_rh( lh_action_iter, rh_rsc, order); } else if(order->rh_action) { order_actions(lh_action_iter, order->rh_action, order); } ); 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 = 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(rh_action == NULL && 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); crm_debug_4("LH-Side was: (%s/%s)", order->lh_rsc?order->lh_rsc->id:order->lh_action?order->lh_action->rsc->id:"", order->lh_action_task); return; } } else if(rh_action == NULL) { crm_debug_4("No RH-Side (%s) specified for constraint..." " ignoring", order->rh_action_task); crm_debug_4("LH-Side was: (%s/%s)", order->lh_rsc?order->lh_rsc->id:order->lh_action?order->lh_action->rsc->id:"", order->lh_action_task); return; } slist_iter( rh_action_iter, action_t, rh_actions, lpc, order_actions(lh_action, rh_action_iter, order); ); pe_free_shallow_adv(rh_actions, FALSE); } void native_rsc_location(resource_t *rsc, rsc_to_node_t *constraint) { GListPtr or_list; native_variant_data_t *native_data = NULL; crm_action_debug_3(print_rsc_to_node("Applying", constraint, FALSE)); /* take "lifetime" into account */ if(constraint == NULL) { pe_err("Constraint is NULL"); return; } else if(is_active(constraint) == FALSE) { crm_debug_2("Constraint (%s) is not active", constraint->id); return; } else if(rsc == NULL) { pe_err("LHS of rsc_to_node (%s) is NULL", constraint->id); return; } get_native_variant_data(native_data, rsc); native_data->node_cons = g_list_append(native_data->node_cons, constraint); if(constraint->node_list_rh == NULL) { crm_debug_2("RHS of constraint %s is NULL", constraint->id); return; } crm_action_debug_3(print_resource("before update", rsc,TRUE)); or_list = node_list_or( native_data->allowed_nodes, constraint->node_list_rh, FALSE); pe_free_shallow(native_data->allowed_nodes); native_data->allowed_nodes = or_list; slist_iter(node_rh, node_t, constraint->node_list_rh, lpc, native_update_node_weight( rsc, constraint, node_rh->details->uname, native_data->allowed_nodes)); crm_action_debug_3(print_resource("after update", rsc, TRUE)); } void native_expand(resource_t *rsc, pe_working_set_t *data_set) { 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); ); } void native_printw(resource_t *rsc, const char *pre_text, int *index) { #ifdef HAVE_LIBNCURSES native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); common_printw(rsc, pre_text, index); if(g_list_length(native_data->running_on) == 0) { printw("NOT ACTIVE\n"); } else if(g_list_length(native_data->running_on) == 1) { node_t *node = native_data->running_on->data; printw("%s (%s)\n", node->details->uname, node->details->id); } else if(g_list_length(native_data->running_on) == 1) { printw("["); slist_iter(node, node_t, native_data->running_on, lpc, if(lpc > 0) { printw(", "); } printw("%s (%s)", node->details->uname, node->details->id); ); printw("]\n"); } #else crm_err("printw support requires ncurses to be available during configure"); #endif } void native_dump(resource_t *rsc, const char *pre_text, gboolean details) { native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); common_dump(rsc, pre_text, details); crm_debug_4("\t%d candidate colors, %d allowed nodes," " %d rsc_cons and %d node_cons", g_list_length(rsc->candidate_colors), g_list_length(native_data->allowed_nodes), g_list_length(rsc->rsc_cons), g_list_length(native_data->node_cons)); if(details) { crm_debug_4("\t=== Actions"); slist_iter( action, action_t, rsc->actions, lpc, print_action("\trsc action: ", action, FALSE); ); crm_debug_4("\t=== Colors"); slist_iter( color, color_t, rsc->candidate_colors, lpc, print_color("\t", color, FALSE) ); crm_debug_4("\t=== Allowed Nodes"); slist_iter( node, node_t, native_data->allowed_nodes, lpc, print_node("\t", node, FALSE); ); } } void native_free(resource_t *rsc) { native_variant_data_t *native_data = (native_variant_data_t *)rsc->variant_opaque; crm_debug_4("Freeing Allowed Nodes & Agent"); crm_free(native_data->color); pe_free_shallow(native_data->allowed_nodes); crm_free(native_data->agent); common_free(rsc); } void native_rsc_colocation_rh_must(resource_t *rsc_lh, gboolean update_lh, resource_t *rsc_rh, gboolean update_rh) { native_variant_data_t *native_data_lh = NULL; native_variant_data_t *native_data_rh = NULL; gboolean do_merge = FALSE; GListPtr old_list = NULL; GListPtr merged_node_list = NULL; float max_pri = rsc_lh->effective_priority; if(max_pri < rsc_rh->effective_priority) { max_pri = rsc_rh->effective_priority; } rsc_lh->effective_priority = max_pri; rsc_rh->effective_priority = max_pri; get_native_variant_data(native_data_lh, rsc_lh); get_native_variant_data(native_data_rh, rsc_rh); if(native_data_lh->color && native_data_rh->color) { do_merge = TRUE; merged_node_list = node_list_and( native_data_lh->color->details->candidate_nodes, native_data_rh->color->details->candidate_nodes, TRUE); } else if(native_data_lh->color) { do_merge = TRUE; merged_node_list = node_list_and( native_data_lh->color->details->candidate_nodes, native_data_rh->allowed_nodes, TRUE); } else if(native_data_rh->color) { do_merge = TRUE; merged_node_list = node_list_and( native_data_lh->allowed_nodes, native_data_rh->color->details->candidate_nodes, TRUE); } - if(update_lh) { + if(update_lh && rsc_rh != rsc_lh) { CRM_DEV_ASSERT(native_data_lh->color != native_data_rh->color); crm_free(native_data_lh->color); rsc_lh->runnable = rsc_rh->runnable; rsc_lh->provisional = rsc_rh->provisional; native_data_lh->color = copy_color(native_data_rh->color); } - if(update_rh) { + if(update_rh && rsc_rh != rsc_lh) { CRM_DEV_ASSERT(native_data_lh->color != native_data_rh->color); crm_free(native_data_rh->color); rsc_rh->runnable = rsc_lh->runnable; rsc_rh->provisional = rsc_lh->provisional; native_data_rh->color = copy_color(native_data_lh->color); } if((update_rh || update_lh) && do_merge) { crm_debug_4("Merging candidate nodes"); old_list = native_data_rh->color->details->candidate_nodes; native_data_rh->color->details->candidate_nodes = merged_node_list; pe_free_shallow(old_list); } crm_debug_4("Finished processing pecs_must constraint"); } void native_rsc_colocation_rh_mustnot(resource_t *rsc_lh, gboolean update_lh, resource_t *rsc_rh, gboolean update_rh) { color_t *color_lh = NULL; color_t *color_rh = NULL; native_variant_data_t *native_data_lh = NULL; native_variant_data_t *native_data_rh = NULL; get_native_variant_data(native_data_lh, rsc_lh); get_native_variant_data(native_data_rh, rsc_rh); crm_debug_4("Processing pecs_must_not constraint"); /* pecs_must_not */ if(update_lh) { color_rh = native_data_rh->color; if(rsc_lh->provisional) { color_lh = find_color( rsc_lh->candidate_colors, color_rh); rsc_lh->candidate_colors = g_list_remove( rsc_lh->candidate_colors, color_lh); crm_action_debug_3( print_color("Removed LH", color_lh, FALSE)); crm_action_debug_3( print_resource("Modified LH", rsc_lh, TRUE)); crm_free(color_lh); } else if(native_data_lh->color && native_data_lh->color->details->pending) { node_t *node_lh = NULL; color_lh = native_data_lh->color; node_lh = pe_find_node( color_lh->details->candidate_nodes, safe_val5(NULL, color_rh, details, chosen_node, details, uname)); color_lh->details->candidate_nodes = g_list_remove( color_lh->details->candidate_nodes, node_lh); crm_action_debug_3( print_node("Removed LH", node_lh, FALSE)); crm_action_debug_3( print_color("Modified LH", color_lh, FALSE)); crm_free(node_lh); } else { /* error, rsc marked as unrunnable above */ pe_warn("lh else"); } } if(update_rh) { color_lh = native_data_lh->color; if(rsc_rh->provisional) { color_rh = find_color( rsc_rh->candidate_colors, color_lh); rsc_rh->candidate_colors = g_list_remove( rsc_rh->candidate_colors, color_rh); crm_action_debug_3( print_color("Removed RH", color_rh, FALSE)); crm_action_debug_3( print_resource("Modified RH", rsc_rh, TRUE)); crm_free(color_rh); } else if(native_data_rh->color && native_data_rh->color->details->pending) { node_t *node_rh = NULL; color_rh = native_data_rh->color; node_rh = pe_find_node( color_rh->details->candidate_nodes, safe_val5(NULL, color_lh, details, chosen_node, details, uname)); color_rh->details->candidate_nodes = g_list_remove( color_rh->details->candidate_nodes, node_rh); crm_action_debug_3( print_node("Removed RH", node_rh, FALSE)); crm_action_debug_3( print_color("Modified RH", color_rh, FALSE)); crm_free(node_rh); } else { /* error, rsc marked as unrunnable above */ pe_warn("rh else"); } } } void native_agent_constraints(resource_t *rsc) { native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); crm_debug_5("Applying RA restrictions to %s", rsc->id); common_agent_constraints( native_data->allowed_nodes, native_data->agent, rsc->id); } gboolean native_choose_color(resource_t *rsc, color_t *no_color) { GListPtr sorted_colors = NULL; native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); if(rsc->runnable == FALSE) { native_assign_color(rsc, no_color); } if(rsc->provisional == FALSE) { return !rsc->provisional; } sorted_colors = g_list_sort( rsc->candidate_colors, sort_color_weight); rsc->candidate_colors = sorted_colors; crm_debug_3("Choose a color from %d possibilities", g_list_length(sorted_colors)); slist_iter( this_color, color_t, rsc->candidate_colors, lpc, GListPtr intersection = NULL; GListPtr minus = NULL; int len = 0; if(this_color == NULL) { pe_err("color was NULL"); continue; } else if(rsc->effective_priority < this_color->details->highest_priority) { minus = node_list_minus( this_color->details->candidate_nodes, native_data->allowed_nodes, TRUE); len = g_list_length(minus); pe_free_shallow(minus); if(len > 0) { native_assign_color(rsc, this_color); break; } } else { intersection = node_list_and( this_color->details->candidate_nodes, native_data->allowed_nodes, TRUE); len = g_list_length(intersection); pe_free_shallow(intersection); if(len != 0) { native_assign_color(rsc, this_color); break; } } ); return !rsc->provisional; } void native_assign_color(resource_t *rsc, color_t *color) { color_t *local_color = add_color(rsc, color); GListPtr intersection = NULL; GListPtr old_list = NULL; native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); native_data->color = copy_color(local_color); rsc->provisional = FALSE; if(local_color != NULL) { (local_color->details->num_resources)++; local_color->details->allocated_resources = g_list_append( local_color->details->allocated_resources,rsc); intersection = node_list_and( local_color->details->candidate_nodes, native_data->allowed_nodes, TRUE); old_list = local_color->details->candidate_nodes; pe_free_shallow(old_list); local_color->details->candidate_nodes = intersection; crm_debug_3("Colored resource %s with new color %d", rsc->id, native_data->color->id); crm_action_debug_3( print_resource("Colored Resource", rsc, TRUE)); } else { pe_err("local color was NULL"); } return; } void native_update_node_weight(resource_t *rsc, rsc_to_node_t *cons, const char *id, GListPtr nodes) { node_t *node_rh = NULL; native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); node_rh = pe_find_node(native_data->allowed_nodes, id); if(node_rh == NULL) { pe_err("Node not found - cant update"); return; } if(node_rh->weight >= INFINITY && cons->weight == -INFINITY) { pe_err("Constraint %s mixes +/- INFINITY", cons->id); } else if(node_rh->weight <= -INFINITY && cons->weight == INFINITY) { pe_err("Constraint %s mixes +/- INFINITY", cons->id); } if(node_rh->fixed) { /* warning */ crm_debug_2("Constraint %s is irrelevant as the" " weight of node %s is fixed as %f.", cons->id, node_rh->details->uname, node_rh->weight); return; } if(cons->weight != INFINITY && cons->weight != -INFINITY) { crm_debug_3("Constraint %s (%f): node %s weight %f.", cons->id, cons->weight, node_rh->details->uname, node_rh->weight); } else if(cons->weight == -INFINITY) { crm_debug_3("Constraint %s (-INFINITY): node %s weight %f.", cons->id, node_rh->details->uname, node_rh->weight); } else { crm_debug_3("Constraint %s (+INFINITY): node %s weight %f.", cons->id, node_rh->details->uname, node_rh->weight); } node_rh->weight = merge_weights(node_rh->weight, cons->weight); if(node_rh->weight < 0) { node_rh->fixed = TRUE; } crm_action_debug_3(print_node("Updated", node_rh, FALSE)); return; } gboolean native_constraint_violated( resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint) { native_variant_data_t *native_data_lh = NULL; native_variant_data_t *native_data_rh = NULL; GListPtr result = NULL; color_t *color_lh = NULL; color_t *color_rh = NULL; GListPtr candidate_nodes_lh = NULL; GListPtr candidate_nodes_rh = NULL; gboolean matched = FALSE; get_native_variant_data(native_data_lh, rsc_lh); get_native_variant_data(native_data_rh, rsc_rh); color_lh = native_data_lh->color; color_rh = native_data_rh->color; if(constraint->strength == pecs_must_not) { matched = TRUE; } if(rsc_lh->provisional || rsc_rh->provisional) { return FALSE; } if(color_lh->details->pending && color_rh->details->pending) { candidate_nodes_lh = color_lh->details->candidate_nodes; candidate_nodes_rh = color_rh->details->candidate_nodes; } else if(color_lh->details->pending == FALSE && color_rh->details->pending == FALSE) { if(color_lh == NULL && color_rh == NULL) { return matched; } else if(color_lh == NULL || color_rh == NULL) { return !matched; } else if(color_lh->details->chosen_node == NULL && color_rh->details->chosen_node == NULL) { return matched; } else if(color_lh->details->chosen_node == NULL || color_rh->details->chosen_node == NULL) { return !matched; } else if(safe_str_eq( color_lh->details->chosen_node->details->id, color_rh->details->chosen_node->details->id)) { return matched; } return !matched; } else if(color_lh->details->pending) { candidate_nodes_lh = color_lh->details->candidate_nodes; candidate_nodes_rh = g_list_append( NULL, color_rh->details->chosen_node); } else if(color_rh->details->pending) { candidate_nodes_rh = color_rh->details->candidate_nodes; candidate_nodes_lh = g_list_append( NULL, color_lh->details->chosen_node); } result = node_list_and(candidate_nodes_lh, candidate_nodes_rh, TRUE); if(g_list_length(result) == 0 && constraint->strength == pecs_must) { /* free result */ return TRUE; } return FALSE; } /* * Remove any nodes with a -ve weight */ void filter_nodes(resource_t *rsc) { native_variant_data_t *native_data = NULL; get_native_variant_data(native_data, rsc); crm_action_debug_3(print_resource("Filtering nodes for", rsc, FALSE)); slist_iter( node, node_t, native_data->allowed_nodes, lpc, if(node == NULL) { pe_err("Invalid NULL node"); } else if(node->weight < 0.0 || node->details->shutdown || node->details->online == FALSE || node->details->type == node_ping) { crm_action_debug_3(print_node("Removing", node, FALSE)); native_data->allowed_nodes = g_list_remove(native_data->allowed_nodes, node); crm_free(node); lpc = -1; /* restart the loop */ } ); } diff --git a/crm/pengine/pengine.h b/crm/pengine/pengine.h index 4ae25a1a11..9cba52d6da 100644 --- a/crm/pengine/pengine.h +++ b/crm/pengine/pengine.h @@ -1,396 +1,397 @@ -/* $Id: pengine.h,v 1.73 2005/06/29 16:43:12 andrew Exp $ */ +/* $Id: pengine.h,v 1.74 2005/06/30 11:59:43 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 */ #ifndef PENGINE__H #define PENGINE__H #include typedef struct node_s node_t; typedef struct color_s color_t; typedef struct rsc_to_node_s rsc_to_node_t; typedef struct rsc_colocation_s rsc_colocation_t; typedef struct resource_s resource_t; typedef struct lrm_agent_s lrm_agent_t; typedef struct order_constraint_s order_constraint_t; typedef struct action_s action_t; typedef struct action_wrapper_s action_wrapper_t; #include #include #include #include #ifdef HAVE_LIBNCURSES # include #endif typedef enum no_quorum_policy_e { no_quorum_freeze, no_quorum_stop, no_quorum_ignore } no_quorum_policy_t; typedef struct pe_working_set_s { crm_data_t *input; /* options extracted from the input */ char *dc_uuid; node_t *dc_node; gboolean have_quorum; gboolean stonith_enabled; gboolean symmetric_cluster; int default_resource_stickiness; no_quorum_policy_t no_quorum_policy; /* intermediate steps */ color_t *no_color; GListPtr nodes; GListPtr resources; GListPtr placement_constraints; GListPtr ordering_constraints; GListPtr colors; GListPtr actions; /* stats */ int num_synapse; int max_valid_nodes; int order_id; int action_id; int color_id; /* final output */ crm_data_t *graph; } pe_working_set_t; #include enum con_type { type_none, rsc_colocation, rsc_to_node, rsc_to_attr, base_weight }; enum node_type { node_ping, node_member }; enum con_strength { pecs_ignore, pecs_must, pecs_must_not, pecs_startstop }; enum action_tasks { no_action, monitor_rsc, stop_rsc, stopped_rsc, start_rsc, started_rsc, shutdown_crm, stonith_node }; enum rsc_recovery_type { recovery_stop_start, recovery_stop_only, recovery_block }; enum rsc_start_requirement { rsc_req_nothing, rsc_req_quorum, rsc_req_stonith }; enum pe_stop_fail { pesf_block, pesf_stonith, pesf_ignore }; enum pe_restart { pe_restart_restart, pe_restart_ignore }; enum pe_ordering { pe_ordering_manditory, pe_ordering_restart, pe_ordering_recover, pe_ordering_optional }; struct node_shared_s { const char *id; const char *uname; gboolean online; gboolean unclean; gboolean shutdown; gboolean expected_up; gboolean is_dc; int num_resources; GListPtr running_rsc; /* resource_t* */ GHashTable *attrs; /* char* => char* */ enum node_type type; }; struct node_s { float weight; gboolean fixed; struct node_shared_s *details; }; struct color_shared_s { int id; float highest_priority; GListPtr candidate_nodes; /* node_t* */ GListPtr allocated_resources; /* resources_t* */ node_t *chosen_node; gboolean pending; int num_resources; }; struct color_s { int id; struct color_shared_s *details; float local_weight; }; struct rsc_colocation_s { const char *id; resource_t *rsc_lh; resource_t *rsc_rh; enum con_strength strength; }; struct rsc_to_node_s { const char *id; resource_t *rsc_lh; float weight; GListPtr node_list_rh; /* node_t* */ }; struct lrm_agent_s { const char *class; const char *type; const char *version; }; struct resource_s { const char *id; crm_data_t *xml; crm_data_t *ops_xml; void *variant_opaque; enum pe_obj_types variant; resource_object_functions_t *fns; enum rsc_recovery_type recovery_type; enum pe_restart restart_type; float priority; + float stickiness; float effective_priority; gboolean is_managed; gboolean start_pending; gboolean recover; gboolean starting; gboolean stopping; gboolean runnable; gboolean provisional; gboolean unclean; GListPtr candidate_colors; /* color_t* */ GListPtr rsc_cons; /* rsc_colocation_t* */ GListPtr actions; /* action_t* */ GHashTable * parameters; }; struct action_wrapper_s { enum pe_ordering type; action_t *action; }; enum action_fail_response { action_fail_nothing, action_fail_block, action_fail_stop, action_fail_fence }; struct action_s { int id; resource_t *rsc; void *rsc_opaque; node_t *node; const char *task; char *uuid; crm_data_t *op_entry; gboolean pseudo; gboolean runnable; gboolean optional; gboolean failure_is_fatal; enum rsc_start_requirement needs; enum action_fail_response on_fail; gboolean dumped; gboolean processed; int seen_count; /* crm_data_t *args; */ GHashTable *extra; GListPtr actions_before; /* action_warpper_t* */ GListPtr actions_after; /* action_warpper_t* */ }; struct order_constraint_s { int id; enum pe_ordering type; void *lh_opaque; resource_t *lh_rsc; action_t *lh_action; char *lh_action_task; void *rh_opaque; resource_t *rh_rsc; action_t *rh_action; char *rh_action_task; /* (soon to be) variant specific */ /* int lh_rsc_incarnation; */ /* int rh_rsc_incarnation; */ }; extern gboolean stage0(pe_working_set_t *data_set); extern gboolean stage1(pe_working_set_t *data_set); extern gboolean stage2(pe_working_set_t *data_set); extern gboolean stage3(pe_working_set_t *data_set); extern gboolean stage4(pe_working_set_t *data_set); extern gboolean stage5(pe_working_set_t *data_set); extern gboolean stage6(pe_working_set_t *data_set); extern gboolean stage7(pe_working_set_t *data_set); extern gboolean stage8(pe_working_set_t *data_set); extern gboolean summary(GListPtr resources); extern gboolean pe_msg_dispatch(IPC_Channel *sender, void *user_data); extern gboolean process_pe_message( HA_Message *msg, crm_data_t *xml_data, IPC_Channel *sender); extern gboolean unpack_constraints( crm_data_t *xml_constraints, pe_working_set_t *data_set); extern gboolean unpack_resources( crm_data_t *xml_resources, pe_working_set_t *data_set); extern gboolean unpack_config(crm_data_t *config, pe_working_set_t *data_set); extern gboolean unpack_nodes(crm_data_t *xml_nodes, pe_working_set_t *data_set); extern gboolean unpack_status(crm_data_t *status, pe_working_set_t *data_set); extern gboolean apply_placement_constraints(pe_working_set_t *data_set); extern void color_resource(resource_t *lh_resource, pe_working_set_t *data_set); extern gboolean choose_node_from_list(color_t *color); extern gboolean update_action_states(GListPtr actions); extern gboolean shutdown_constraints( node_t *node, action_t *shutdown_op, pe_working_set_t *data_set); extern gboolean stonith_constraints( node_t *node, action_t *stonith_op, action_t *shutdown_op, pe_working_set_t *data_set); extern gboolean custom_action_order( resource_t *lh_rsc, char *lh_task, action_t *lh_action, resource_t *rh_rsc, char *rh_task, action_t *rh_action, enum pe_ordering type, pe_working_set_t *data_set); #define order_start_start(rsc1,rsc2, type) \ custom_action_order(rsc1, start_key(rsc1), NULL, \ rsc2, start_key(rsc2) ,NULL, \ type, data_set) #define order_stop_stop(rsc1, rsc2, type) \ custom_action_order(rsc1, stop_key(rsc1), NULL, \ rsc2, stop_key(rsc2) ,NULL, \ type, data_set) #define order_restart(rsc1) \ custom_action_order(rsc1, stop_key(rsc1), NULL, \ rsc1, start_key(rsc1), NULL, \ pe_ordering_restart, data_set) #define order_stop_start(rsc1, rsc2, type) \ custom_action_order(rsc1, stop_key(rsc1), NULL, \ rsc2, start_key(rsc2) ,NULL, \ type, data_set) #define order_start_stop(rsc1, rsc2, type) \ custom_action_order(rsc1, start_key(rsc1), NULL, \ rsc2, stop_key(rsc2) ,NULL, \ type, data_set) #define pe_err(fmt...) { was_processing_error = TRUE; crm_err(fmt); } #define pe_warn(fmt...) { was_processing_warning = TRUE; crm_warn(fmt); } #define check_and_exit(stage) cleanup_calculations(data_set); \ crm_mem_stats(NULL); \ crm_err("Exiting: stage %d", stage); \ exit(1); extern gboolean process_colored_constraints(resource_t *rsc); extern void graph_element_from_action( action_t *action, pe_working_set_t *data_set); extern void set_working_set_defaults(pe_working_set_t *data_set); extern void cleanup_calculations(pe_working_set_t *data_set); extern const char* transition_idle_timeout; extern gboolean was_processing_error; extern gboolean was_processing_warning; #endif