diff --git a/include/crm/pengine/rules_compat.h b/include/crm/pengine/rules_compat.h index d6d233b5e7..3346b0808b 100644 --- a/include/crm/pengine/rules_compat.h +++ b/include/crm/pengine/rules_compat.h @@ -1,48 +1,44 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #ifndef PCMK__CRM_PENGINE_RULES_COMPAT__H # define PCMK__CRM_PENGINE_RULES_COMPAT__H #include #include // xmlNode #include // crm_time_t #include #ifdef __cplusplus extern "C" { #endif /** * \file * \brief Deprecated Pacemaker rule API * \ingroup pengine * \deprecated Do not include this header directly. The rule APIs in this * header, and the header itself, will be removed in a future * release. */ //! \deprecated Use pcmk_evaluate_rule() on each rule instead gboolean pe_evaluate_rules(xmlNode *ruleset, GHashTable *node_hash, crm_time_t *now, crm_time_t *next_change); -//! \deprecated Use pcmk_evaluate_rule() on each rule instead -gboolean pe_eval_rules(xmlNode *ruleset, const pe_rule_eval_data_t *rule_data, - crm_time_t *next_change); - // @COMPAT sbd's configure script checks for this (as of at least 1.5.2) //! \deprecated Use pcmk_evaluate_rule() instead gboolean test_rule(xmlNode *rule, GHashTable *node_hash, enum rsc_role_e role, crm_time_t *now); #ifdef __cplusplus } #endif #endif // PCMK__CRM_PENGINE_RULES_COMPAT__H diff --git a/lib/pengine/rules.c b/lib/pengine/rules.c index 4d26e147b9..698ac058c4 100644 --- a/lib/pengine/rules.c +++ b/lib/pengine/rules.c @@ -1,344 +1,333 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include #include CRM_TRACE_INIT_DATA(pe_rules); /*! * \internal * \brief Map pe_rule_eval_data_t to pcmk_rule_input_t * * \param[out] new New data struct * \param[in] old Old data struct */ static void map_rule_input(pcmk_rule_input_t *new, const pe_rule_eval_data_t *old) { if (old == NULL) { return; } new->now = old->now; new->node_attrs = old->node_hash; if (old->rsc_data != NULL) { new->rsc_standard = old->rsc_data->standard; new->rsc_provider = old->rsc_data->provider; new->rsc_agent = old->rsc_data->agent; } if (old->match_data != NULL) { new->rsc_params = old->match_data->params; new->rsc_meta = old->match_data->meta; if (old->match_data->re != NULL) { new->rsc_id = old->match_data->re->string; new->rsc_id_submatches = old->match_data->re->pmatch; new->rsc_id_nmatches = old->match_data->re->nregs; } } if (old->op_data != NULL) { new->op_name = old->op_data->op_name; new->op_interval_ms = old->op_data->interval; } } static gint sort_pairs(gconstpointer a, gconstpointer b, gpointer user_data) { const xmlNode *pair_a = a; const xmlNode *pair_b = b; pcmk__nvpair_unpack_t *unpack_data = user_data; const char *score = NULL; int score_a = 0; int score_b = 0; if (a == NULL && b == NULL) { return 0; } else if (a == NULL) { return 1; } else if (b == NULL) { return -1; } if (pcmk__str_eq(pcmk__xe_id(pair_a), unpack_data->first_id, pcmk__str_none)) { return -1; } else if (pcmk__str_eq(pcmk__xe_id(pair_b), unpack_data->first_id, pcmk__str_none)) { return 1; } score = crm_element_value(pair_a, PCMK_XA_SCORE); score_a = char2score(score); score = crm_element_value(pair_b, PCMK_XA_SCORE); score_b = char2score(score); /* If we're overwriting values, we want lowest score first, so the highest * score is processed last; if we're not overwriting values, we want highest * score first, so nothing else overwrites it. */ if (score_a < score_b) { return unpack_data->overwrite? -1 : 1; } else if (score_a > score_b) { return unpack_data->overwrite? 1 : -1; } return 0; } static void populate_hash(xmlNode *nvpair_list, GHashTable *hash, bool overwrite) { const char *name = NULL; const char *value = NULL; const char *old_value = NULL; xmlNode *list = nvpair_list; xmlNode *an_attr = NULL; if (pcmk__xe_is(list->children, PCMK__XE_ATTRIBUTES)) { list = list->children; } for (an_attr = pcmk__xe_first_child(list, NULL, NULL, NULL); an_attr != NULL; an_attr = pcmk__xe_next(an_attr)) { if (pcmk__xe_is(an_attr, PCMK_XE_NVPAIR)) { xmlNode *ref_nvpair = expand_idref(an_attr, NULL); name = crm_element_value(an_attr, PCMK_XA_NAME); if ((name == NULL) && (ref_nvpair != NULL)) { name = crm_element_value(ref_nvpair, PCMK_XA_NAME); } value = crm_element_value(an_attr, PCMK_XA_VALUE); if ((value == NULL) && (ref_nvpair != NULL)) { value = crm_element_value(ref_nvpair, PCMK_XA_VALUE); } if (name == NULL || value == NULL) { continue; } old_value = g_hash_table_lookup(hash, name); if (pcmk__str_eq(value, "#default", pcmk__str_casei)) { // @COMPAT Deprecated since 2.1.8 pcmk__config_warn("Support for setting meta-attributes (such " "as %s) to the explicit value '#default' is " "deprecated and will be removed in a future " "release", name); if (old_value) { crm_trace("Letting %s default (removing explicit value \"%s\")", name, value); g_hash_table_remove(hash, name); } continue; } else if (old_value == NULL) { crm_trace("Setting %s=\"%s\"", name, value); pcmk__insert_dup(hash, name, value); } else if (overwrite) { crm_trace("Setting %s=\"%s\" (overwriting old value \"%s\")", name, value, old_value); pcmk__insert_dup(hash, name, value); } } } } static void unpack_attr_set(gpointer data, gpointer user_data) { xmlNode *pair = data; pcmk__nvpair_unpack_t *unpack_data = user_data; if (pcmk__evaluate_rules(pair, &(unpack_data->rule_input), unpack_data->next_change) != pcmk_rc_ok) { return; } crm_trace("Adding name/value pairs from %s %s overwrite", pcmk__xe_id(pair), (unpack_data->overwrite? "with" : "without")); populate_hash(pair, unpack_data->values, unpack_data->overwrite); } /*! * \internal * \brief Create a sorted list of nvpair blocks * * \param[in] xml_obj XML element containing blocks of nvpair elements * \param[in] set_name If not NULL, only get blocks of this element * * \return List of XML blocks of name/value pairs */ static GList * make_pairs(const xmlNode *xml_obj, const char *set_name) { GList *unsorted = NULL; if (xml_obj == NULL) { return NULL; } for (xmlNode *attr_set = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL); attr_set != NULL; attr_set = pcmk__xe_next(attr_set)) { if ((set_name == NULL) || pcmk__xe_is(attr_set, set_name)) { xmlNode *expanded_attr_set = expand_idref(attr_set, NULL); if (expanded_attr_set == NULL) { continue; // Not possible with schema validation enabled } unsorted = g_list_prepend(unsorted, expanded_attr_set); } } return unsorted; } /*! * \brief Extract nvpair blocks contained by an XML element into a hash table * * \param[in,out] top Ignored * \param[in] xml_obj XML element containing blocks of nvpair elements * \param[in] set_name If not NULL, only use blocks of this element * \param[in] rule_data Matching parameters to use when unpacking * \param[out] hash Where to store extracted name/value pairs * \param[in] always_first If not NULL, process block with this ID first * \param[in] overwrite Whether to replace existing values with same name * \param[out] next_change If not NULL, set to when evaluation will change */ void pe_eval_nvpairs(xmlNode *top, const xmlNode *xml_obj, const char *set_name, const pe_rule_eval_data_t *rule_data, GHashTable *hash, const char *always_first, gboolean overwrite, crm_time_t *next_change) { GList *pairs = make_pairs(xml_obj, set_name); if (pairs) { pcmk__nvpair_unpack_t data = { .values = hash, .first_id = always_first, .overwrite = overwrite, .next_change = next_change, }; map_rule_input(&(data.rule_input), rule_data); pairs = g_list_sort_with_data(pairs, sort_pairs, &data); g_list_foreach(pairs, unpack_attr_set, &data); g_list_free(pairs); } } /*! * \brief Extract nvpair blocks contained by an XML element into a hash table * * \param[in,out] top Ignored * \param[in] xml_obj XML element containing blocks of nvpair elements * \param[in] set_name Element name to identify nvpair blocks * \param[in] node_hash Node attributes to use when evaluating rules * \param[out] hash Where to store extracted name/value pairs * \param[in] always_first If not NULL, process block with this ID first * \param[in] overwrite Whether to replace existing values with same name * \param[in] now Time to use when evaluating rules * \param[out] next_change If not NULL, set to when evaluation will change */ void pe_unpack_nvpairs(xmlNode *top, const xmlNode *xml_obj, const char *set_name, GHashTable *node_hash, GHashTable *hash, const char *always_first, gboolean overwrite, crm_time_t *now, crm_time_t *next_change) { pe_rule_eval_data_t rule_data = { .node_hash = node_hash, .now = now, .match_data = NULL, .rsc_data = NULL, .op_data = NULL }; pe_eval_nvpairs(NULL, xml_obj, set_name, &rule_data, hash, always_first, overwrite, next_change); } // Deprecated functions kept only for backward API compatibility // LCOV_EXCL_START #include -gboolean -pe_eval_rules(xmlNode *ruleset, const pe_rule_eval_data_t *rule_data, - crm_time_t *next_change) -{ - pcmk_rule_input_t rule_input = { NULL, }; - - map_rule_input(&rule_input, rule_data); - return pcmk__evaluate_rules(ruleset, &rule_input, - next_change) == pcmk_rc_ok; -} - gboolean pe_evaluate_rules(xmlNode *ruleset, GHashTable *node_hash, crm_time_t *now, crm_time_t *next_change) { pcmk_rule_input_t rule_input = { .node_attrs = node_hash, .now = now, }; return pcmk__evaluate_rules(ruleset, &rule_input, next_change); } static gboolean pe_test_rule(xmlNode *rule, GHashTable *node_hash, enum rsc_role_e role, crm_time_t *now, crm_time_t *next_change, pe_match_data_t *match_data) { pcmk_rule_input_t rule_input = { .node_attrs = node_hash, .now = now, }; if (match_data != NULL) { rule_input.rsc_params = match_data->params; rule_input.rsc_meta = match_data->meta; if (match_data->re != NULL) { rule_input.rsc_id = match_data->re->string; rule_input.rsc_id_submatches = match_data->re->pmatch; rule_input.rsc_id_nmatches = match_data->re->nregs; } } return pcmk_evaluate_rule(rule, &rule_input, next_change) == pcmk_rc_ok; } gboolean test_rule(xmlNode * rule, GHashTable * node_hash, enum rsc_role_e role, crm_time_t * now) { return pe_test_rule(rule, node_hash, role, now, NULL, NULL); } // LCOV_EXCL_STOP // End deprecated API