diff --git a/lib/pengine/complex.c b/lib/pengine/complex.c index 0ccdaf95c4..0f24ef9d31 100644 --- a/lib/pengine/complex.c +++ b/lib/pengine/complex.c @@ -1,616 +1,616 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include extern xmlNode *get_object_root(const char *object_type,xmlNode *the_root); void populate_hash(xmlNode *nvpair_list, GHashTable *hash, const char **attrs, int attrs_length); resource_object_functions_t resource_class_functions[] = { { native_unpack, native_find_rsc, native_parameter, native_print, native_active, native_resource_state, native_location, native_free }, { group_unpack, native_find_rsc, native_parameter, group_print, group_active, group_resource_state, native_location, group_free }, { clone_unpack, native_find_rsc, native_parameter, clone_print, clone_active, clone_resource_state, native_location, clone_free }, { master_unpack, native_find_rsc, native_parameter, clone_print, clone_active, clone_resource_state, native_location, clone_free } }; enum pe_obj_types get_resource_type(const char *name) { if(safe_str_eq(name, XML_CIB_TAG_RESOURCE)) { return pe_native; } else if(safe_str_eq(name, XML_CIB_TAG_GROUP)) { return pe_group; } else if(safe_str_eq(name, XML_CIB_TAG_INCARNATION)) { return pe_clone; } else if(safe_str_eq(name, XML_CIB_TAG_MASTER)) { return pe_master; } return pe_unknown; } const char *get_resource_typename(enum pe_obj_types type) { switch(type) { case pe_native: return XML_CIB_TAG_RESOURCE; case pe_group: return XML_CIB_TAG_GROUP; case pe_clone: return XML_CIB_TAG_INCARNATION; case pe_master: return XML_CIB_TAG_MASTER; case pe_unknown: return "unknown"; } return ""; } static void dup_attr(gpointer key, gpointer value, gpointer user_data) { add_hash_param(user_data, key, value); } void get_meta_attributes(GHashTable *meta_hash, resource_t *rsc, node_t *node, pe_working_set_t *data_set) { GHashTable *node_hash = NULL; if(node) { node_hash = node->details->attrs; } xml_prop_iter(rsc->xml, prop_name, prop_value, add_hash_param(meta_hash, prop_name, prop_value); ); unpack_instance_attributes(data_set->input, rsc->xml, XML_TAG_META_SETS, node_hash, meta_hash, NULL, FALSE, data_set->now); /* populate from the regular attributes until the GUI can create * meta attributes */ unpack_instance_attributes(data_set->input, rsc->xml, XML_TAG_ATTR_SETS, node_hash, meta_hash, NULL, FALSE, data_set->now); /* set anything else based on the parent */ if(rsc->parent != NULL) { g_hash_table_foreach(rsc->parent->meta, dup_attr, meta_hash); } /* and finally check the defaults */ unpack_instance_attributes(data_set->input, data_set->rsc_defaults, XML_TAG_META_SETS, node_hash, meta_hash, NULL, FALSE, data_set->now); } void get_rsc_attributes(GHashTable *meta_hash, resource_t *rsc, node_t *node, pe_working_set_t *data_set) { GHashTable *node_hash = NULL; if(node) { node_hash = node->details->attrs; } unpack_instance_attributes(data_set->input, rsc->xml, XML_TAG_ATTR_SETS, node_hash, meta_hash, NULL, FALSE, data_set->now); /* set anything else based on the parent */ if(rsc->parent != NULL) { get_rsc_attributes(meta_hash, rsc->parent, node, data_set); } else { /* and finally check the defaults */ unpack_instance_attributes(data_set->input, data_set->rsc_defaults, XML_TAG_ATTR_SETS, node_hash, meta_hash, NULL, FALSE, data_set->now); } } static char* template_op_key(xmlNode *op) { const char *name = crm_element_value(op, "name"); const char *role = crm_element_value(op, "role"); char *key = NULL; if(role == NULL || crm_str_eq(role, RSC_ROLE_STARTED_S, TRUE) || crm_str_eq(role, RSC_ROLE_SLAVE_S, TRUE)) { role = RSC_ROLE_UNKNOWN_S; } key = crm_concat(name, role, '-'); return key; } static gboolean unpack_template(xmlNode *xml_obj, xmlNode **expanded_xml, pe_working_set_t *data_set) { xmlNode *cib_resources = NULL; xmlNode *template = NULL; xmlNode *new_xml = NULL; xmlNode *child_xml = NULL; xmlNode *rsc_ops = NULL; xmlNode *template_ops = NULL; const char *template_ref = NULL; const char *id = NULL; if(xml_obj == NULL) { pe_err("No resource object for template unpacking"); return FALSE; } template_ref = crm_element_value(xml_obj, XML_CIB_TAG_RSC_TEMPLATE); if(template_ref == NULL) { return TRUE; } id = ID(xml_obj); if(id == NULL) { pe_err("'%s' object must have a id", crm_element_name(xml_obj)); return FALSE; } if(crm_str_eq(template_ref, id, TRUE)) { pe_err("The resource object '%s' should not reference itself", id); return FALSE; } cib_resources = get_object_root(XML_CIB_TAG_RESOURCES, data_set->input); if(cib_resources == NULL) { pe_err("Cannot get the root of object '%s'", XML_CIB_TAG_RESOURCES); return FALSE; } template = find_entity(cib_resources, XML_CIB_TAG_RSC_TEMPLATE, template_ref); if(template == NULL) { pe_err("No template named '%s'", template_ref); return FALSE; } new_xml = copy_xml(template); - new_xml->name = (xmlChar *)crm_strdup((const char*)xml_obj->name); + xmlNodeSetName(new_xml, xml_obj->name); crm_xml_replace(new_xml, XML_ATTR_ID, id); template_ops = find_xml_node(new_xml, "operations", FALSE); for(child_xml = __xml_first_child(xml_obj); child_xml != NULL; child_xml = __xml_next(child_xml)) { xmlNode *new_child = NULL; new_child = add_node_copy(new_xml, child_xml); if(crm_str_eq((const char *)new_child->name, "operations", TRUE)) { rsc_ops = new_child; } } if(template_ops && rsc_ops) { xmlNode * op = NULL; GHashTable *rsc_ops_hash = g_hash_table_new_full( crm_str_hash, g_str_equal, g_hash_destroy_str, NULL); for(op = __xml_first_child(rsc_ops); op != NULL; op = __xml_next(op)) { char *key = template_op_key(op); g_hash_table_insert(rsc_ops_hash, key, op); } for(op = __xml_first_child(template_ops); op != NULL; op = __xml_next(op)) { char *key = template_op_key(op); if(g_hash_table_lookup(rsc_ops_hash, key) == NULL) { add_node_copy(rsc_ops, op); } crm_free(key); } if(rsc_ops_hash) { g_hash_table_destroy(rsc_ops_hash); } free_xml_from_parent(NULL, template_ops); } /*free_xml(*expanded_xml);*/ *expanded_xml = new_xml; /* Disable multi-level templates for now */ /*if(unpack_template(new_xml, expanded_xml, data_set) == FALSE) { free_xml(*expanded_xml); *expanded_xml = NULL; return FALSE; }*/ return TRUE; } gboolean common_unpack(xmlNode * xml_obj, resource_t **rsc, resource_t *parent, pe_working_set_t *data_set) { xmlNode *expanded_xml = NULL; xmlNode *ops = NULL; resource_t *top = NULL; const char *value = NULL; const char *id = crm_element_value(xml_obj, XML_ATTR_ID); const char *class = crm_element_value(xml_obj, XML_AGENT_ATTR_CLASS); crm_log_xml_debug_3(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; } if(unpack_template(xml_obj, &expanded_xml, data_set) == FALSE) { return FALSE; } crm_malloc0(*rsc, sizeof(resource_t)); if(expanded_xml) { crm_log_xml_debug_3(expanded_xml, "Expanded resource..."); (*rsc)->xml = expanded_xml; (*rsc)->orig_xml = xml_obj; } else { (*rsc)->xml = xml_obj; (*rsc)->orig_xml = NULL; } (*rsc)->parent = parent; ops = find_xml_node((*rsc)->xml, "operations", FALSE); (*rsc)->ops_xml = expand_idref(ops, data_set->input); (*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)->parameters = g_hash_table_new_full( crm_str_hash,g_str_equal, g_hash_destroy_str,g_hash_destroy_str); (*rsc)->meta = g_hash_table_new_full( crm_str_hash,g_str_equal, g_hash_destroy_str,g_hash_destroy_str); (*rsc)->allowed_nodes = g_hash_table_new_full( crm_str_hash,g_str_equal, NULL, g_hash_destroy_str); (*rsc)->known_on = g_hash_table_new_full( crm_str_hash,g_str_equal, NULL, g_hash_destroy_str); value = crm_element_value(xml_obj, XML_RSC_ATTR_INCARNATION); if(value) { (*rsc)->id = crm_concat(id, value, ':'); add_hash_param((*rsc)->meta, XML_RSC_ATTR_INCARNATION, value); } else { (*rsc)->id = crm_strdup(id); } if(parent) { (*rsc)->long_name = crm_concat(parent->long_name, (*rsc)->id, ':'); } else { (*rsc)->long_name = crm_strdup((*rsc)->id); } (*rsc)->fns = &resource_class_functions[(*rsc)->variant]; crm_debug_3("Unpacking resource..."); get_meta_attributes((*rsc)->meta, *rsc, NULL, data_set); (*rsc)->flags = 0; set_bit((*rsc)->flags, pe_rsc_runnable); set_bit((*rsc)->flags, pe_rsc_provisional); if(is_set(data_set->flags, pe_flag_is_managed_default)) { set_bit((*rsc)->flags, pe_rsc_managed); } (*rsc)->rsc_cons = NULL; (*rsc)->rsc_tickets = NULL; (*rsc)->actions = NULL; (*rsc)->role = RSC_ROLE_STOPPED; (*rsc)->next_role = RSC_ROLE_UNKNOWN; (*rsc)->recovery_type = recovery_stop_start; (*rsc)->stickiness = data_set->default_resource_stickiness; (*rsc)->migration_threshold= INFINITY; (*rsc)->failure_timeout = 0; value = g_hash_table_lookup((*rsc)->meta, XML_CIB_ATTR_PRIORITY); (*rsc)->priority = crm_parse_int(value, "0"); (*rsc)->effective_priority = (*rsc)->priority; value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_NOTIFY); if(crm_is_true(value)) { set_bit((*rsc)->flags, pe_rsc_notify); } value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_MANAGED); if(value != NULL && safe_str_neq("default", value)) { gboolean bool_value = TRUE; crm_str_to_boolean(value, &bool_value); if(bool_value == FALSE) { clear_bit((*rsc)->flags, pe_rsc_managed); } else { set_bit((*rsc)->flags, pe_rsc_managed); } } if(is_set(data_set->flags, pe_flag_maintenance_mode)) { clear_bit((*rsc)->flags, pe_rsc_managed); } crm_debug_2("Options for %s", (*rsc)->id); value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_UNIQUE); top = uber_parent(*rsc); if(crm_is_true(value) || top->variant < pe_clone) { set_bit((*rsc)->flags, pe_rsc_unique); } value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_RESTART); if(safe_str_eq(value, "restart")) { (*rsc)->restart_type = pe_restart_restart; crm_debug_2("\tDependency restart handling: restart"); } else { (*rsc)->restart_type = pe_restart_ignore; crm_debug_2("\tDependency restart handling: ignore"); } value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_MULTIPLE); if(safe_str_eq(value, "stop_only")) { (*rsc)->recovery_type = recovery_stop_only; crm_debug_2("\tMultiple running resource recovery: stop only"); } else if(safe_str_eq(value, "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"); } value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_STICKINESS); if(value != NULL && safe_str_neq("default", value)) { (*rsc)->stickiness = char2score(value); } value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_FAIL_STICKINESS); if(value != NULL && safe_str_neq("default", value)) { (*rsc)->migration_threshold = char2score(value); } else if(value == NULL) { /* Make a best-effort guess at a migration threshold for people with 0.6 configs * try with underscores and hyphens, from both the resource and global defaults section */ value = g_hash_table_lookup((*rsc)->meta, "resource-failure-stickiness"); if(value == NULL) { value = g_hash_table_lookup((*rsc)->meta, "resource_failure_stickiness"); } if(value == NULL) { value = g_hash_table_lookup(data_set->config_hash, "default-resource-failure-stickiness"); } if(value == NULL) { value = g_hash_table_lookup(data_set->config_hash, "default_resource_failure_stickiness"); } if(value) { int fail_sticky = char2score(value); if(fail_sticky == -INFINITY) { (*rsc)->migration_threshold = 1; crm_info("Set a migration threshold of %d for %s based on a failure-stickiness of %s", (*rsc)->migration_threshold, (*rsc)->id, value); } else if((*rsc)->stickiness != 0 && fail_sticky != 0) { (*rsc)->migration_threshold = (*rsc)->stickiness / fail_sticky; if((*rsc)->migration_threshold < 0) { /* Make sure it's positive */ (*rsc)->migration_threshold = 0 - (*rsc)->migration_threshold; } (*rsc)->migration_threshold += 1; crm_info("Calculated a migration threshold for %s of %d based on a stickiness of %d/%s", (*rsc)->id, (*rsc)->migration_threshold, (*rsc)->stickiness, value); } } } value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_FAIL_TIMEOUT); if(value != NULL) { /* call crm_get_msec() and convert back to seconds */ (*rsc)->failure_timeout = (crm_get_msec(value) / 1000); } get_target_role(*rsc, &((*rsc)->next_role)); crm_debug_2("\tDesired next state: %s", (*rsc)->next_role!=RSC_ROLE_UNKNOWN?role2text((*rsc)->next_role):"default"); if((*rsc)->fns->unpack(*rsc, data_set) == FALSE) { return FALSE; } if(is_set(data_set->flags, pe_flag_symmetric_cluster)) { resource_location(*rsc, NULL, 0, "symmetric_default", data_set); } crm_debug_2("\tAction notification: %s", is_set((*rsc)->flags, pe_rsc_notify)?"required":"not required"); if(safe_str_eq(class, "stonith")) { set_bit_inplace(data_set->flags, pe_flag_have_stonith_resource); } (*rsc)->utilization = g_hash_table_new_full( crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); unpack_instance_attributes(data_set->input, (*rsc)->xml, XML_TAG_UTILIZATION, NULL, (*rsc)->utilization, NULL, FALSE, data_set->now); /* data_set->resources = g_list_append(data_set->resources, (*rsc)); */ return TRUE; } void common_update_score(resource_t *rsc, const char *id, int score) { node_t *node = NULL; node = pe_hash_table_lookup(rsc->allowed_nodes, id); if(node != NULL) { crm_debug_2("Updating score for %s on %s: %d + %d", rsc->id, id, node->weight, score); node->weight = merge_weights(node->weight, score); } if(rsc->children) { GListPtr gIter = rsc->children; for(; gIter != NULL; gIter = gIter->next) { resource_t *child_rsc = (resource_t*)gIter->data; common_update_score(child_rsc, id, score); } } } resource_t *uber_parent(resource_t *rsc) { resource_t *parent = rsc; if(parent == NULL) { return NULL; } while(parent->parent != NULL) { parent = parent->parent; } return parent; } void common_free(resource_t *rsc) { if(rsc == NULL) { return; } crm_debug_5("Freeing %s %d", rsc->id, rsc->variant); g_list_free(rsc->rsc_cons); g_list_free(rsc->rsc_cons_lhs); g_list_free(rsc->rsc_tickets); g_list_free(rsc->dangling_migrations); if(rsc->parameters != NULL) { g_hash_table_destroy(rsc->parameters); } if(rsc->meta != NULL) { g_hash_table_destroy(rsc->meta); } if(rsc->utilization != NULL) { g_hash_table_destroy(rsc->utilization); } if(rsc->orig_xml) { free_xml(rsc->xml); } if(rsc->parent == NULL && is_set(rsc->flags, pe_rsc_orphan)) { if(rsc->orig_xml) { free_xml(rsc->orig_xml); } else { free_xml(rsc->xml); } } if(rsc->running_on) { g_list_free(rsc->running_on); rsc->running_on = NULL; } if(rsc->known_on) { g_hash_table_destroy(rsc->known_on); rsc->known_on = NULL; } if(rsc->actions) { g_list_free(rsc->actions); rsc->actions = NULL; } if(rsc->allowed_nodes) { g_hash_table_destroy(rsc->allowed_nodes); rsc->allowed_nodes = NULL; } g_list_free(rsc->rsc_location); crm_free(rsc->id); crm_free(rsc->long_name); crm_free(rsc->clone_name); crm_free(rsc->allocated_to); crm_free(rsc->variant_opaque); crm_free(rsc); crm_debug_5("Resource freed"); }