diff --git a/pengine/constraints.c b/pengine/constraints.c index 5bd78058ac..fc6d41609d 100644 --- a/pengine/constraints.c +++ b/pengine/constraints.c @@ -1,1214 +1,1247 @@ /* * 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 #include #include #include #include enum pe_order_kind { pe_order_kind_optional, pe_order_kind_mandatory, pe_order_kind_serialize, }; enum pe_ordering get_flags( const char *id, enum pe_order_kind kind, const char *action_first, const char *action_then, gboolean invert); gboolean unpack_constraints(xmlNode * xml_constraints, pe_working_set_t *data_set) { xmlNode *lifetime = NULL; xml_child_iter( xml_constraints, xml_obj, const char *id = crm_element_value(xml_obj, XML_ATTR_ID); if(id == NULL) { crm_config_err("Constraint <%s...> must have an id", crm_element_name(xml_obj)); continue; } crm_debug_3("Processing constraint %s %s", crm_element_name(xml_obj),id); lifetime = first_named_child(xml_obj, "lifetime"); if(lifetime) { crm_config_warn("Support for the lifetime tag, used by %s, is deprecated." " The rules it contains should instead be direct decendants of the constraint object", id); } if(test_ruleset(lifetime, NULL, data_set->now) == FALSE) { crm_info("Constraint %s %s is not active", crm_element_name(xml_obj), id); } else if(safe_str_eq(XML_CONS_TAG_RSC_ORDER, crm_element_name(xml_obj))) { unpack_rsc_order(xml_obj, data_set); } else if(safe_str_eq(XML_CONS_TAG_RSC_DEPEND, crm_element_name(xml_obj))) { unpack_rsc_colocation(xml_obj, data_set); } else if(safe_str_eq(XML_CONS_TAG_RSC_LOCATION, crm_element_name(xml_obj))) { unpack_rsc_location(xml_obj, data_set); } else { pe_err("Unsupported constraint type: %s", crm_element_name(xml_obj)); } ); return TRUE; } static const char * invert_action(const char *action) { if(safe_str_eq(action, RSC_START)) { return RSC_STOP; } else if(safe_str_eq(action, RSC_STOP)) { return RSC_START; } else if(safe_str_eq(action, RSC_PROMOTE)) { return RSC_DEMOTE; } else if(safe_str_eq(action, RSC_DEMOTE)) { return RSC_PROMOTE; } else if(safe_str_eq(action, RSC_PROMOTED)) { return RSC_DEMOTED; } else if(safe_str_eq(action, RSC_DEMOTED)) { return RSC_PROMOTED; } else if(safe_str_eq(action, RSC_STARTED)) { return RSC_STOPPED; } else if(safe_str_eq(action, RSC_STOPPED)) { return RSC_STARTED; } crm_config_warn("Unknown action: %s", action); return NULL; } static enum pe_order_kind get_ordering_type(xmlNode *xml_obj) { enum pe_order_kind kind_e = pe_order_kind_mandatory; const char *kind = crm_element_value(xml_obj, XML_ORDER_ATTR_KIND); if(kind == NULL) { const char *score = crm_element_value(xml_obj, XML_RULE_ATTR_SCORE); kind_e = pe_order_kind_mandatory; if(score) { int score_i = char2score(score); if(score_i == 0) { kind_e = pe_order_kind_optional; } /* } else if(rsc_then->variant == pe_native && rsc_first->variant > pe_group) { */ /* kind_e = pe_order_kind_optional; */ } } else if(safe_str_eq(kind, "Mandatory")) { kind_e = pe_order_kind_mandatory; } else if(safe_str_eq(kind, "Optional")) { kind_e = pe_order_kind_optional; } else if(safe_str_eq(kind, "Serialize")) { kind_e = pe_order_kind_serialize; } else { const char *id = crm_element_value(xml_obj, XML_ATTR_ID); crm_config_err("Constraint %s: Unknown type '%s'", id, kind); } return kind_e; } static gboolean unpack_simple_rsc_order(xmlNode * xml_obj, pe_working_set_t *data_set) { int order_id = 0; resource_t *rsc_then = NULL; resource_t *rsc_first = NULL; gboolean invert_bool = TRUE; enum pe_order_kind kind = pe_order_kind_mandatory; enum pe_ordering cons_weight = pe_order_optional; const char *id_first = NULL; const char *id_then = NULL; const char *action_then = NULL; const char *action_first = NULL; + const char *instance_then = NULL; + const char *instance_first = NULL; const char *id = crm_element_value(xml_obj, XML_ATTR_ID); const char *invert = crm_element_value(xml_obj, XML_CONS_ATTR_SYMMETRICAL); crm_str_to_boolean(invert, &invert_bool); if(xml_obj == NULL) { crm_config_err("No constraint object to process."); return FALSE; } else if(id == NULL) { crm_config_err("%s constraint must have an id", crm_element_name(xml_obj)); return FALSE; } id_then = crm_element_value(xml_obj, XML_ORDER_ATTR_THEN); id_first = crm_element_value(xml_obj, XML_ORDER_ATTR_FIRST); action_then = crm_element_value(xml_obj, XML_ORDER_ATTR_THEN_ACTION); action_first = crm_element_value(xml_obj, XML_ORDER_ATTR_FIRST_ACTION); + instance_then = crm_element_value(xml_obj, XML_ORDER_ATTR_THEN_INSTANCE); + instance_first = crm_element_value(xml_obj, XML_ORDER_ATTR_FIRST_INSTANCE); + if(action_first == NULL) { action_first = RSC_START; } if(action_then == NULL) { action_then = action_first; } if(id_then == NULL || id_first == NULL) { crm_config_err("Constraint %s needs two sides lh: %s rh: %s", id, crm_str(id_then), crm_str(id_first)); return FALSE; } rsc_then = pe_find_resource(data_set->resources, id_then); rsc_first = pe_find_resource(data_set->resources, id_first); if(rsc_then == NULL) { crm_config_err("Constraint %s: no resource found for name '%s'", id, id_then); return FALSE; } else if(rsc_first == NULL) { crm_config_err("Constraint %s: no resource found for name '%s'", id, id_first); return FALSE; + + } else if(instance_then && rsc_then->variant < pe_clone) { + crm_config_err("Invalid constraint '%s':" + " Resource '%s' is not a clone but instance %s was requested", + id, id_then, instance_then); + return FALSE; + + } else if(instance_first && rsc_first->variant < pe_clone) { + crm_config_err("Invalid constraint '%s':" + " Resource '%s' is not a clone but instance %s was requested", + id, id_first, instance_first); + return FALSE; + } + + if(instance_then) { + rsc_then = find_clone_instance(rsc_then, instance_then, data_set); + if(rsc_then == NULL) { + crm_config_warn("Invalid constraint '%s': No instance '%s' of '%s'", id, instance_then, id_then); + return FALSE; + } } + if(instance_first) { + rsc_first = find_clone_instance(rsc_first, instance_first, data_set); + if(rsc_first == NULL) { + crm_config_warn("Invalid constraint '%s': No instance '%s' of '%s'", id, instance_first, id_first); + return FALSE; + } + } + cons_weight = pe_order_optional; kind = get_ordering_type(xml_obj); if(kind == pe_order_kind_optional && rsc_then->restart_type == pe_restart_restart) { crm_debug_2("Upgrade : recovery - implies right"); cons_weight |= pe_order_implies_right; } cons_weight |= get_flags(id, kind, action_first, action_then, FALSE); order_id = new_rsc_order( rsc_first, action_first, rsc_then, action_then, cons_weight, data_set); crm_debug_2("order-%d (%s): %s_%s before %s_%s flags=0x%.6x", order_id, id, rsc_first->id, action_first, rsc_then->id, action_then, cons_weight); if(invert_bool == FALSE) { return TRUE; } else if(invert && kind == pe_order_kind_serialize) { crm_config_warn("Cannot invert serialized constraint set %s", id); return TRUE; } else if(kind == pe_order_kind_serialize) { return TRUE; } action_then = invert_action(action_then); action_first = invert_action(action_first); if(action_then == NULL || action_first == NULL) { crm_config_err("Cannot invert rsc_order constraint %s." " Please specify the inverse manually.", id); return TRUE; } cons_weight = pe_order_optional; if(kind == pe_order_kind_optional && rsc_then->restart_type == pe_restart_restart) { crm_debug_2("Upgrade : recovery - implies left"); cons_weight |= pe_order_implies_left; } cons_weight |= get_flags(id, kind, action_first, action_then, TRUE); order_id = new_rsc_order( rsc_then, action_then, rsc_first, action_first, cons_weight, data_set); crm_debug_2("order-%d (%s): %s_%s before %s_%s flags=0x%.6x", order_id, id, rsc_then->id, action_then, rsc_first->id, action_first, cons_weight); return TRUE; } gboolean unpack_rsc_location(xmlNode * xml_obj, pe_working_set_t *data_set) { gboolean empty = TRUE; const char *id_lh = crm_element_value(xml_obj, "rsc"); const char *id = crm_element_value(xml_obj, XML_ATTR_ID); resource_t *rsc_lh = pe_find_resource(data_set->resources, id_lh); const char *node = crm_element_value(xml_obj, "node"); const char *score = crm_element_value(xml_obj, XML_RULE_ATTR_SCORE); if(rsc_lh == NULL) { /* only a warn as BSC adds the constraint then the resource */ crm_config_warn("No resource (con=%s, rsc=%s)", id, id_lh); return FALSE; } if(node != NULL && score != NULL) { int score_i = char2score(score); node_t *match = pe_find_node(data_set->nodes, node); if(match) { rsc2node_new(id, rsc_lh, score_i, match, data_set); return TRUE; } else { return FALSE; } } xml_child_iter_filter( xml_obj, rule_xml, XML_TAG_RULE, empty = FALSE; crm_debug_2("Unpacking %s/%s", id, ID(rule_xml)); generate_location_rule(rsc_lh, rule_xml, data_set); ); if(empty) { crm_config_err("Invalid location constraint %s:" " rsc_location must contain at least one rule", ID(xml_obj)); } return TRUE; } static int get_node_score(const char *rule, const char *score, gboolean raw, node_t *node) { int score_f = 0; if(score == NULL) { pe_err("Rule %s: no score specified. Assuming 0.", rule); } else if(raw) { score_f = char2score(score); } else { const char *attr_score = g_hash_table_lookup( node->details->attrs, score); if(attr_score == NULL) { crm_debug("Rule %s: node %s did not have a value for %s", rule, node->details->uname, score); score_f = -INFINITY; } else { crm_debug("Rule %s: node %s had value %s for %s", rule, node->details->uname, attr_score, score); score_f = char2score(attr_score); } } return score_f; } rsc_to_node_t * generate_location_rule( resource_t *rsc, xmlNode *rule_xml, pe_working_set_t *data_set) { const char *rule_id = NULL; const char *score = NULL; const char *boolean = NULL; const char *role = NULL; GListPtr match_L = NULL; int score_f = 0; gboolean do_and = TRUE; gboolean accept = TRUE; gboolean raw_score = TRUE; rsc_to_node_t *location_rule = NULL; rule_xml = expand_idref(rule_xml, data_set->input); rule_id = crm_element_value(rule_xml, XML_ATTR_ID); boolean = crm_element_value(rule_xml, XML_RULE_ATTR_BOOLEAN_OP); role = crm_element_value(rule_xml, XML_RULE_ATTR_ROLE); crm_debug_2("Processing rule: %s", rule_id); if(role != NULL && text2role(role) == RSC_ROLE_UNKNOWN) { pe_err("Bad role specified for %s: %s", rule_id, role); return NULL; } score = crm_element_value(rule_xml, XML_RULE_ATTR_SCORE); if(score != NULL) { score_f = char2score(score); } else { score = crm_element_value( rule_xml, XML_RULE_ATTR_SCORE_ATTRIBUTE); if(score == NULL) { score = crm_element_value( rule_xml, XML_RULE_ATTR_SCORE_MANGLED); } if(score != NULL) { raw_score = FALSE; } } if(safe_str_eq(boolean, "or")) { do_and = FALSE; } location_rule = rsc2node_new(rule_id, rsc, 0, NULL, data_set); if(location_rule == NULL) { return NULL; } if(role != NULL) { crm_debug_2("Setting role filter: %s", role); location_rule->role_filter = text2role(role); if(location_rule->role_filter == RSC_ROLE_SLAVE) { /* Fold slave back into Started for simplicity * At the point Slave location constraints are evaluated, * all resources are still either stopped or started */ location_rule->role_filter = RSC_ROLE_STARTED; } } if(do_and) { match_L = node_list_dup(data_set->nodes, TRUE, FALSE); slist_iter( node, node_t, match_L, lpc, node->weight = get_node_score(rule_id, score, raw_score, node); ); } slist_iter( node, node_t, data_set->nodes, lpc, accept = test_rule( rule_xml, node->details->attrs, RSC_ROLE_UNKNOWN, data_set->now); crm_debug_2("Rule %s %s on %s", ID(rule_xml), accept?"passed":"failed", node->details->uname); score_f = get_node_score(rule_id, score, raw_score, node); /* if(accept && score_f == -INFINITY) { */ /* accept = FALSE; */ /* } */ if(accept) { node_t *local = pe_find_node_id( match_L, node->details->id); if(local == NULL && do_and) { continue; } else if(local == NULL) { local = node_copy(node); match_L = g_list_append(match_L, local); } if(do_and == FALSE) { local->weight = merge_weights( local->weight, score_f); } crm_debug_2("node %s now has weight %d", node->details->uname, local->weight); } else if(do_and && !accept) { /* remove it */ node_t *delete = pe_find_node_id( match_L, node->details->id); if(delete != NULL) { match_L = g_list_remove(match_L,delete); crm_debug_5("node %s did not match", node->details->uname); } crm_free(delete); } ); location_rule->node_list_rh = match_L; if(location_rule->node_list_rh == NULL) { crm_debug_2("No matching nodes for rule %s", rule_id); return NULL; } crm_debug_3("%s: %d nodes matched", rule_id, g_list_length(location_rule->node_list_rh)); return location_rule; } static gint sort_cons_priority_lh(gconstpointer a, gconstpointer b) { const rsc_colocation_t *rsc_constraint1 = (const rsc_colocation_t*)a; const rsc_colocation_t *rsc_constraint2 = (const rsc_colocation_t*)b; if(a == NULL) { return 1; } if(b == NULL) { return -1; } CRM_ASSERT(rsc_constraint1->rsc_lh != NULL); CRM_ASSERT(rsc_constraint1->rsc_rh != NULL); if(rsc_constraint1->rsc_lh->priority > rsc_constraint2->rsc_lh->priority) { return -1; } if(rsc_constraint1->rsc_lh->priority < rsc_constraint2->rsc_lh->priority) { return 1; } return strcmp(rsc_constraint1->rsc_lh->id, rsc_constraint2->rsc_lh->id); } static gint sort_cons_priority_rh(gconstpointer a, gconstpointer b) { const rsc_colocation_t *rsc_constraint1 = (const rsc_colocation_t*)a; const rsc_colocation_t *rsc_constraint2 = (const rsc_colocation_t*)b; if(a == NULL) { return 1; } if(b == NULL) { return -1; } CRM_ASSERT(rsc_constraint1->rsc_lh != NULL); CRM_ASSERT(rsc_constraint1->rsc_rh != NULL); if(rsc_constraint1->rsc_rh->priority > rsc_constraint2->rsc_rh->priority) { return -1; } if(rsc_constraint1->rsc_rh->priority < rsc_constraint2->rsc_rh->priority) { return 1; } return strcmp(rsc_constraint1->rsc_rh->id, rsc_constraint2->rsc_rh->id); } gboolean rsc_colocation_new(const char *id, const char *node_attr, int score, resource_t *rsc_lh, resource_t *rsc_rh, const char *state_lh, const char *state_rh, pe_working_set_t *data_set) { rsc_colocation_t *new_con = NULL; if(rsc_lh == NULL){ crm_config_err("No resource found for LHS %s", id); return FALSE; } else if(rsc_rh == NULL){ crm_config_err("No resource found for RHS of %s", id); return FALSE; } crm_malloc0(new_con, sizeof(rsc_colocation_t)); if(new_con == NULL) { return FALSE; } if(state_lh == NULL || safe_str_eq(state_lh, RSC_ROLE_STARTED_S)) { state_lh = RSC_ROLE_UNKNOWN_S; } if(state_rh == NULL || safe_str_eq(state_rh, RSC_ROLE_STARTED_S)) { state_rh = RSC_ROLE_UNKNOWN_S; } new_con->id = id; new_con->rsc_lh = rsc_lh; new_con->rsc_rh = rsc_rh; new_con->score = score; new_con->role_lh = text2role(state_lh); new_con->role_rh = text2role(state_rh); new_con->node_attribute = node_attr; if(node_attr == NULL) { node_attr = "#"XML_ATTR_UNAME; } crm_debug_3("%s ==> %s (%s %d)", rsc_lh->id, rsc_rh->id, node_attr, score); rsc_lh->rsc_cons = g_list_insert_sorted( rsc_lh->rsc_cons, new_con, sort_cons_priority_rh); rsc_rh->rsc_cons_lhs = g_list_insert_sorted( rsc_rh->rsc_cons_lhs, new_con, sort_cons_priority_lh); data_set->colocation_constraints = g_list_append( data_set->colocation_constraints, new_con); return TRUE; } /* LHS before RHS */ int new_rsc_order(resource_t *lh_rsc, const char *lh_task, resource_t *rh_rsc, const char *rh_task, enum pe_ordering type, pe_working_set_t *data_set) { char *lh_key = NULL; char *rh_key = NULL; CRM_CHECK(lh_rsc != NULL, return -1); CRM_CHECK(lh_task != NULL, return -1); CRM_CHECK(rh_rsc != NULL, return -1); CRM_CHECK(rh_task != NULL, return -1); lh_key = generate_op_key(lh_rsc->id, lh_task, 0); rh_key = generate_op_key(rh_rsc->id, rh_task, 0); return custom_action_order(lh_rsc, lh_key, NULL, rh_rsc, rh_key, NULL, type, data_set); } /* LHS before RHS */ int custom_action_order( resource_t *lh_rsc, char *lh_action_task, action_t *lh_action, resource_t *rh_rsc, char *rh_action_task, action_t *rh_action, enum pe_ordering type, pe_working_set_t *data_set) { order_constraint_t *order = NULL; if(lh_rsc == NULL && lh_action) { lh_rsc = lh_action->rsc; } if(rh_rsc == NULL && rh_action) { rh_rsc = rh_action->rsc; } if((lh_action == NULL && lh_rsc == NULL) || (rh_action == NULL && rh_rsc == NULL)){ crm_config_err("Invalid inputs %p.%p %p.%p", lh_rsc, lh_action, rh_rsc, rh_action); crm_free(lh_action_task); crm_free(rh_action_task); return -1; } crm_malloc0(order, sizeof(order_constraint_t)); crm_debug_3("Creating ordering constraint %d", data_set->order_id); order->id = data_set->order_id++; order->type = type; order->lh_rsc = lh_rsc; order->rh_rsc = rh_rsc; order->lh_action = lh_action; order->rh_action = rh_action; order->lh_action_task = lh_action_task; order->rh_action_task = rh_action_task; data_set->ordering_constraints = g_list_append( data_set->ordering_constraints, order); if(lh_rsc != NULL && rh_rsc != NULL) { crm_debug_4("Created ordering constraint %d (%s):" " %s/%s before %s/%s", order->id, ordering_type2text(order->type), lh_rsc->id, lh_action_task, rh_rsc->id, rh_action_task); } else if(lh_rsc != NULL) { crm_debug_4("Created ordering constraint %d (%s):" " %s/%s before action %d (%s)", order->id, ordering_type2text(order->type), lh_rsc->id, lh_action_task, rh_action->id, rh_action_task); } else if(rh_rsc != NULL) { crm_debug_4("Created ordering constraint %d (%s):" " action %d (%s) before %s/%s", order->id, ordering_type2text(order->type), lh_action->id, lh_action_task, rh_rsc->id, rh_action_task); } else { crm_debug_4("Created ordering constraint %d (%s):" " action %d (%s) before action %d (%s)", order->id, ordering_type2text(order->type), lh_action->id, lh_action_task, rh_action->id, rh_action_task); } return order->id; } enum pe_ordering get_flags( const char *id, enum pe_order_kind kind, const char *action_first, const char *action_then, gboolean invert) { enum pe_ordering flags = pe_order_optional; if(invert && kind == pe_order_kind_mandatory) { crm_debug_2("Upgrade %s: implies left", id); flags |= pe_order_implies_left; if(safe_str_eq(action_then, RSC_DEMOTE)) { crm_debug_2("Upgrade %s: demote", id); flags |= pe_order_demote; } } else if(kind == pe_order_kind_mandatory) { crm_debug_2("Upgrade %s: implies right", id); flags |= pe_order_implies_right; if(safe_str_eq(action_first, RSC_START) || safe_str_eq(action_first, RSC_PROMOTE)) { crm_debug_2("Upgrade %s: runnable", id); flags |= pe_order_runnable_left; } } else if(kind == pe_order_kind_serialize) { flags |= pe_order_serialize_only; } return flags; } static gboolean unpack_order_set(xmlNode *set, enum pe_order_kind kind, resource_t **rsc, action_t **begin, action_t **end, action_t **inv_begin, action_t **inv_end, const char *symmetrical, pe_working_set_t *data_set) { GListPtr set_iter = NULL; GListPtr resources = NULL; resource_t *last = NULL; resource_t *resource = NULL; int local_kind = kind; gboolean sequential = FALSE; enum pe_ordering flags = pe_order_optional; char *key = NULL; const char *id = ID(set); const char *action = crm_element_value(set, "action"); const char *sequential_s = crm_element_value(set, "sequential"); const char *kind_s = crm_element_value(set, XML_ORDER_ATTR_KIND); char *pseudo_id = NULL; char *end_id = NULL; char *begin_id = NULL; if(action == NULL) { action = RSC_START; } if(kind_s) { local_kind = get_ordering_type(set); } if(sequential_s == NULL) { sequential_s = "1"; } sequential = crm_is_true(sequential_s); flags = get_flags(id, local_kind, action, action, FALSE); xml_child_iter_filter( set, xml_rsc, XML_TAG_RESOURCE_REF, resource = pe_find_resource(data_set->resources, ID(xml_rsc)); resources = g_list_append(resources, resource); ); if(g_list_length(resources) == 1) { crm_err("Single set: %s", id); *rsc = resource; *end = NULL; *begin = NULL; *inv_end = NULL; *inv_begin = NULL; return TRUE; } pseudo_id = crm_concat(id, action, '-'); end_id = crm_concat(pseudo_id, "end", '-'); begin_id = crm_concat(pseudo_id, "begin", '-'); *rsc = NULL; *end = get_pseudo_op(end_id, data_set); *begin = get_pseudo_op(begin_id, data_set); set_iter = resources; while(set_iter != NULL) { resource = (resource_t *) set_iter->data; set_iter = set_iter->next; key = generate_op_key(resource->id, action, 0); custom_action_order(NULL, NULL, *begin, resource, crm_strdup(key), NULL, flags|pe_order_implies_left_printed, data_set); custom_action_order(resource, crm_strdup(key), NULL, NULL, NULL, *end, flags|pe_order_implies_right_printed, data_set); if(local_kind == pe_order_kind_serialize) { /* Serialize before everything that comes after */ slist_iter( then_rsc, resource_t, set_iter, lpc, char *then_key = generate_op_key(then_rsc->id, action, 0); custom_action_order(resource, crm_strdup(key), NULL, then_rsc, then_key, NULL, flags, data_set); ); } else if(sequential) { if(last != NULL) { new_rsc_order(last, action, resource, action, flags, data_set); } last = resource; } } if(crm_is_true(symmetrical) == FALSE) { goto done; } else if(symmetrical && local_kind == pe_order_kind_serialize) { crm_config_warn("Cannot invert serialized constraint set %s", id); goto done; } else if(local_kind == pe_order_kind_serialize) { goto done; } last = NULL; action = invert_action(action); pseudo_id = crm_concat(id, action, '-'); end_id = crm_concat(pseudo_id, "end", '-'); begin_id = crm_concat(pseudo_id, "begin", '-'); *inv_end = get_pseudo_op(end_id, data_set); *inv_begin = get_pseudo_op(begin_id, data_set); flags = get_flags(id, local_kind, action, action, TRUE); set_iter = resources; while(set_iter != NULL) { resource = (resource_t *) set_iter->data; set_iter = set_iter->next; key = generate_op_key(resource->id, action, 0); custom_action_order(NULL, NULL, *inv_begin, resource, crm_strdup(key), NULL, flags|pe_order_implies_left_printed, data_set); custom_action_order(resource, crm_strdup(key), NULL, NULL, NULL, *inv_end, flags|pe_order_implies_right_printed, data_set); if(sequential) { if(last != NULL) { new_rsc_order(resource, action, last, action, flags, data_set); } last = resource; } } done: g_list_free(resources); crm_free(pseudo_id); return TRUE; } static gboolean order_rsc_sets( const char *id, xmlNode *set1, xmlNode *set2, enum pe_order_kind kind, pe_working_set_t *data_set) { resource_t *rsc_1 = NULL; resource_t *rsc_2 = NULL; const char *action_1 = crm_element_value(set1, "action"); const char *action_2 = crm_element_value(set2, "action"); const char *sequential_1 = crm_element_value(set1, "sequential"); const char *sequential_2 = crm_element_value(set2, "sequential"); enum pe_ordering flags = get_flags(id, kind, action_1, action_2, FALSE); if(crm_is_true(sequential_1)) { /* get the first one */ xml_child_iter_filter( set1, xml_rsc, XML_TAG_RESOURCE_REF, rsc_1 = pe_find_resource(data_set->resources, ID(xml_rsc)); break; ); } if(crm_is_true(sequential_2)) { /* get the last one */ const char *rid = NULL; xml_child_iter_filter( set2, xml_rsc, XML_TAG_RESOURCE_REF, rid = ID(xml_rsc); ); rsc_2 = pe_find_resource(data_set->resources, rid); } if(rsc_1 != NULL && rsc_2 != NULL) { new_rsc_order(rsc_1, action_1, rsc_2, action_2, flags, data_set); } else if(rsc_1 != NULL) { xml_child_iter_filter( set2, xml_rsc, XML_TAG_RESOURCE_REF, rsc_2 = pe_find_resource(data_set->resources, ID(xml_rsc)); new_rsc_order(rsc_1, action_1, rsc_2, action_2, flags, data_set); ); } else if(rsc_2 != NULL) { xml_child_iter_filter( set1, xml_rsc, XML_TAG_RESOURCE_REF, rsc_1 = pe_find_resource(data_set->resources, ID(xml_rsc)); new_rsc_order(rsc_1, action_1, rsc_2, action_2, flags, data_set); ); } else { xml_child_iter_filter( set1, xml_rsc, XML_TAG_RESOURCE_REF, rsc_1 = pe_find_resource(data_set->resources, ID(xml_rsc)); xml_child_iter_filter( set2, xml_rsc_2, XML_TAG_RESOURCE_REF, rsc_2 = pe_find_resource(data_set->resources, ID(xml_rsc_2)); new_rsc_order(rsc_1, action_1, rsc_2, action_2, flags, data_set); ); ); } return TRUE; } static char *null_or_opkey(resource_t *rsc, const char *action) { if(rsc == NULL) { return NULL; } return generate_op_key(rsc->id, action, 0); } gboolean unpack_rsc_order(xmlNode *xml_obj, pe_working_set_t *data_set) { gboolean any_sets = FALSE; resource_t *rsc = NULL; resource_t *last_rsc = NULL; action_t *set_end = NULL; action_t *set_begin = NULL; action_t *set_inv_end = NULL; action_t *set_inv_begin = NULL; xmlNode *last = NULL; action_t *last_end = NULL; action_t *last_begin = NULL; action_t *last_inv_end = NULL; action_t *last_inv_begin = NULL; const char *id = crm_element_value(xml_obj, XML_ATTR_ID); const char *invert = crm_element_value(xml_obj, XML_CONS_ATTR_SYMMETRICAL); enum pe_order_kind kind = get_ordering_type(xml_obj); if(invert == NULL) { invert = "true"; } xml_child_iter_filter( xml_obj, set, XML_CONS_TAG_RSC_SET, any_sets = TRUE; set = expand_idref(set, data_set->input); if(unpack_order_set(set, kind, &rsc, &set_begin, &set_end, &set_inv_begin, &set_inv_end, invert, data_set) == FALSE) { return FALSE; } else if(last) { const char *set_action = crm_element_value(set, "action"); const char *last_action = crm_element_value(last, "action"); enum pe_ordering flags = get_flags(id, kind, last_action, set_action, FALSE); if(!set_action) { set_action = RSC_START; } if(!last_action) { last_action = RSC_START; } if(rsc == NULL && last_rsc == NULL) { order_actions(last_end, set_begin, flags); } else { custom_action_order( last_rsc, null_or_opkey(last_rsc, last_action), last_end, rsc, null_or_opkey(rsc, set_action), set_begin, flags, data_set); } if(crm_is_true(invert)) { set_action = invert_action(set_action); last_action = invert_action(last_action); flags = get_flags(id, kind, last_action, set_action, TRUE); if(rsc == NULL && last_rsc == NULL) { order_actions(last_inv_begin, set_inv_end, flags); } else { custom_action_order( last_rsc, null_or_opkey(last_rsc, last_action), last_inv_begin, rsc, null_or_opkey(rsc, set_action), set_inv_end, flags, data_set); } } } else if(/* never called */last && order_rsc_sets(id, last, set, kind, data_set) == FALSE) { return FALSE; } last = set; last_rsc = rsc; last_end = set_end; last_begin = set_begin; last_inv_end = set_inv_end; last_inv_begin = set_inv_begin; ); if(any_sets == FALSE) { return unpack_simple_rsc_order(xml_obj, data_set); } return TRUE; } static gboolean unpack_colocation_set(xmlNode *set, int score, pe_working_set_t *data_set) { resource_t *with = NULL; resource_t *resource = NULL; const char *set_id = ID(set); const char *role = crm_element_value(set, "role"); const char *sequential = crm_element_value(set, "sequential"); int local_score = score; const char *score_s = crm_element_value(set, XML_RULE_ATTR_SCORE); if(score_s) { local_score = char2score(score_s); } if(sequential == NULL || crm_is_true(sequential)) { xml_child_iter_filter( set, xml_rsc, XML_TAG_RESOURCE_REF, resource = pe_find_resource(data_set->resources, ID(xml_rsc)); if(with != NULL) { crm_debug_2("Colocating %s with %s", resource->id, with->id); rsc_colocation_new(set_id, NULL, local_score, resource, with, role, role, data_set); } with = resource; ); } return TRUE; } static gboolean colocate_rsc_sets( const char *id, xmlNode *set1, xmlNode *set2, int score, pe_working_set_t *data_set) { resource_t *rsc_1 = NULL; resource_t *rsc_2 = NULL; const char *role_1 = crm_element_value(set1, "role"); const char *role_2 = crm_element_value(set2, "role"); const char *sequential_1 = crm_element_value(set1, "sequential"); const char *sequential_2 = crm_element_value(set2, "sequential"); if(crm_is_true(sequential_1)) { /* get the first one */ xml_child_iter_filter( set1, xml_rsc, XML_TAG_RESOURCE_REF, rsc_1 = pe_find_resource(data_set->resources, ID(xml_rsc)); break; ); } if(crm_is_true(sequential_2)) { /* get the last one */ const char *rid = NULL; xml_child_iter_filter( set2, xml_rsc, XML_TAG_RESOURCE_REF, rid = ID(xml_rsc); ); rsc_2 = pe_find_resource(data_set->resources, rid); } if(rsc_1 != NULL && rsc_2 != NULL) { rsc_colocation_new(id, NULL, score, rsc_1, rsc_2, role_1, role_2, data_set); } else if(rsc_1 != NULL) { xml_child_iter_filter( set2, xml_rsc, XML_TAG_RESOURCE_REF, rsc_2 = pe_find_resource(data_set->resources, ID(xml_rsc)); rsc_colocation_new(id, NULL, score, rsc_1, rsc_2, role_1, role_2, data_set); ); } else if(rsc_2 != NULL) { xml_child_iter_filter( set1, xml_rsc, XML_TAG_RESOURCE_REF, rsc_1 = pe_find_resource(data_set->resources, ID(xml_rsc)); rsc_colocation_new(id, NULL, score, rsc_1, rsc_2, role_1, role_2, data_set); ); } else { xml_child_iter_filter( set1, xml_rsc, XML_TAG_RESOURCE_REF, rsc_1 = pe_find_resource(data_set->resources, ID(xml_rsc)); xml_child_iter_filter( set2, xml_rsc_2, XML_TAG_RESOURCE_REF, rsc_2 = pe_find_resource(data_set->resources, ID(xml_rsc_2)); rsc_colocation_new(id, NULL, score, rsc_1, rsc_2, role_1, role_2, data_set); ); ); } return TRUE; } static gboolean unpack_simple_colocation(xmlNode *xml_obj, pe_working_set_t *data_set) { int score_i = 0; const char *id = crm_element_value(xml_obj, XML_ATTR_ID); const char *score = crm_element_value(xml_obj, XML_RULE_ATTR_SCORE); const char *id_lh = crm_element_value(xml_obj, XML_COLOC_ATTR_SOURCE); const char *id_rh = crm_element_value(xml_obj, XML_COLOC_ATTR_TARGET); const char *state_lh = crm_element_value(xml_obj, XML_COLOC_ATTR_SOURCE_ROLE); const char *state_rh = crm_element_value(xml_obj, XML_COLOC_ATTR_TARGET_ROLE); const char *instance_lh = crm_element_value(xml_obj, XML_COLOC_ATTR_SOURCE_INSTANCE); const char *instance_rh = crm_element_value(xml_obj, XML_COLOC_ATTR_TARGET_INSTANCE); const char *attr = crm_element_value(xml_obj, XML_COLOC_ATTR_NODE_ATTR); const char *symmetrical = crm_element_value(xml_obj, XML_CONS_ATTR_SYMMETRICAL); resource_t *rsc_lh = pe_find_resource(data_set->resources, id_lh); resource_t *rsc_rh = pe_find_resource(data_set->resources, id_rh); if(rsc_lh == NULL) { crm_config_err("Invalid constraint '%s': No resource named '%s'", id, id_lh); return FALSE; } else if(rsc_rh == NULL) { crm_config_err("Invalid constraint '%s': No resource named '%s'", id, id_rh); return FALSE; } else if(instance_lh && rsc_lh->variant < pe_clone) { crm_config_err("Invalid constraint '%s': Resource '%s' is not a clone but instance %s was requested", id, id_lh, instance_lh); return FALSE; } else if(instance_rh && rsc_rh->variant < pe_clone) { crm_config_err("Invalid constraint '%s': Resource '%s' is not a clone but instance %s was requested", id, id_rh, instance_rh); return FALSE; } if(instance_lh) { rsc_lh = find_clone_instance(rsc_lh, instance_lh, data_set); if(rsc_lh == NULL) { crm_config_warn("Invalid constraint '%s': No instance '%s' of '%s'", id, instance_lh, id_lh); return FALSE; } } if(instance_rh) { rsc_rh = find_clone_instance(rsc_rh, instance_rh, data_set); if(rsc_rh == NULL) { crm_config_warn("Invalid constraint '%s': No instance '%s' of '%s'", id, instance_rh, id_rh); return FALSE; } } if(crm_is_true(symmetrical)) { crm_config_warn("The %s colocation constraint attribute has been removed." " It didn't do what you think it did anyway.", XML_CONS_ATTR_SYMMETRICAL); } if(score) { score_i = char2score(score); } rsc_colocation_new(id, attr, score_i, rsc_lh, rsc_rh, state_lh, state_rh, data_set); return TRUE; } gboolean unpack_rsc_colocation(xmlNode *xml_obj, pe_working_set_t *data_set) { int score_i = 0; xmlNode *last = NULL; gboolean any_sets = FALSE; const char *id = crm_element_value(xml_obj, XML_ATTR_ID); const char *score = crm_element_value(xml_obj, XML_RULE_ATTR_SCORE); if(score) { score_i = char2score(score); } xml_child_iter_filter( xml_obj, set, XML_CONS_TAG_RSC_SET, any_sets = TRUE; set = expand_idref(set, data_set->input); if(unpack_colocation_set(set, score_i, data_set) == FALSE) { return FALSE; } else if(last && colocate_rsc_sets(id, last, set, score_i, data_set) == FALSE) { return FALSE; } last = set; ); if(any_sets == FALSE) { return unpack_simple_colocation(xml_obj, data_set); } return TRUE; } gboolean is_active(rsc_to_node_t *cons) { return TRUE; }