From 5da14042f70711ea5cf66e034699730335462f66 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 14:08:03 +0200 Subject: Merging upstream version 1.45.3+dfsg. Signed-off-by: Daniel Baumann --- database/sqlite/sqlite_aclk_alert.c | 1142 ----------------------------------- 1 file changed, 1142 deletions(-) delete mode 100644 database/sqlite/sqlite_aclk_alert.c (limited to 'database/sqlite/sqlite_aclk_alert.c') diff --git a/database/sqlite/sqlite_aclk_alert.c b/database/sqlite/sqlite_aclk_alert.c deleted file mode 100644 index 9bd060f96..000000000 --- a/database/sqlite/sqlite_aclk_alert.c +++ /dev/null @@ -1,1142 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "sqlite_functions.h" -#include "sqlite_aclk_alert.h" - -#ifdef ENABLE_ACLK -#include "../../aclk/aclk_alarm_api.h" -#endif - -#define SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param) \ - ({ \ - int _param = (param); \ - sqlite3_column_bytes((res), (_param)) ? strdupz((char *)sqlite3_column_text((res), (_param))) : NULL; \ - }) - -#define SQL_UPDATE_FILTERED_ALERT \ - "UPDATE aclk_alert_%s SET filtered_alert_unique_id = @new_alert, date_created = UNIXEPOCH() " \ - "WHERE filtered_alert_unique_id = @old_alert" - -static void update_filtered(ALARM_ENTRY *ae, int64_t unique_id, char *uuid_str) -{ - sqlite3_stmt *res = NULL; - - char sql[ACLK_SYNC_QUERY_SIZE]; - snprintfz(sql, sizeof(sql) - 1, SQL_UPDATE_FILTERED_ALERT, uuid_str); - int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement when trying to update_filtered"); - return; - } - - rc = sqlite3_bind_int64(res, 1, ae->unique_id); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind ae unique_id for update_filtered"); - goto done; - } - - rc = sqlite3_bind_int64(res, 2, unique_id); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind unique_id for update_filtered"); - goto done; - } - - rc = sqlite3_step_monitored(res); - if (likely(rc == SQLITE_DONE)) - ae->flags |= HEALTH_ENTRY_FLAG_ACLK_QUEUED; - -done: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement when trying to update_filtered, rc = %d", rc); -} - -#define SQL_SELECT_VARIABLE_ALERT_BY_UNIQUE_ID \ - "SELECT hld.unique_id FROM health_log hl, alert_hash ah, health_log_detail hld " \ - "WHERE hld.unique_id = @unique_id AND hl.config_hash_id = ah.hash_id AND hld.health_log_id = hl.health_log_id " \ - "AND hl.host_id = @host_id AND ah.warn IS NULL AND ah.crit IS NULL" - -static inline bool is_event_from_alert_variable_config(int64_t unique_id, uuid_t *host_id) -{ - sqlite3_stmt *res = NULL; - - int rc = sqlite3_prepare_v2(db_meta, SQL_SELECT_VARIABLE_ALERT_BY_UNIQUE_ID, -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement when trying to check for alert variables."); - return false; - } - - bool ret = false; - - rc = sqlite3_bind_int64(res, 1, unique_id); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind unique_id for checking alert variable."); - goto done; - } - - rc = sqlite3_bind_blob(res, 2, host_id, sizeof(*host_id), SQLITE_STATIC); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind host_id for checking alert variable."); - goto done; - } - - rc = sqlite3_step_monitored(res); - if (likely(rc == SQLITE_ROW)) - ret = true; - -done: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement when trying to check for alert variables, rc = %d", rc); - - return ret; -} - -#define MAX_REMOVED_PERIOD 604800 //a week - -//decide if some events should be sent or not -#define SQL_SELECT_ALERT_BY_ID \ - "SELECT hld.new_status, hl.config_hash_id, hld.unique_id FROM health_log hl, aclk_alert_%s aa, health_log_detail hld " \ - "WHERE hl.host_id = @host_id AND hld.unique_id = aa.filtered_alert_unique_id " \ - "AND hld.alarm_id = @alarm_id AND hl.health_log_id = hld.health_log_id " \ - "ORDER BY hld.rowid DESC LIMIT 1" - -static bool should_send_to_cloud(RRDHOST *host, ALARM_ENTRY *ae) -{ - sqlite3_stmt *res = NULL; - - if (ae->new_status == RRDCALC_STATUS_REMOVED || ae->new_status == RRDCALC_STATUS_UNINITIALIZED) - return 0; - - if (unlikely(uuid_is_null(ae->config_hash_id) || !host->aclk_config)) - return 0; - - char sql[ACLK_SYNC_QUERY_SIZE]; - - //get the previous sent event of this alarm_id - //base the search on the last filtered event - snprintfz(sql, sizeof(sql) - 1, SQL_SELECT_ALERT_BY_ID, host->aclk_config->uuid_str); - - int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement when trying should_send_to_cloud."); - return true; - } - - bool send = false; - - rc = sqlite3_bind_blob(res, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind host_id for checking should_send_to_cloud"); - goto done; - } - - rc = sqlite3_bind_int(res, 2, (int) ae->alarm_id); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind alarm_id for checking should_send_to_cloud"); - goto done; - } - - rc = sqlite3_step_monitored(res); - - if (likely(rc == SQLITE_ROW)) { - uuid_t config_hash_id; - RRDCALC_STATUS status = (RRDCALC_STATUS)sqlite3_column_int(res, 0); - - if (sqlite3_column_type(res, 1) != SQLITE_NULL) - uuid_copy(config_hash_id, *((uuid_t *)sqlite3_column_blob(res, 1))); - - int64_t unique_id = sqlite3_column_int64(res, 2); - - if (ae->new_status != (RRDCALC_STATUS)status || uuid_memcmp(&ae->config_hash_id, &config_hash_id)) - send = true; - else - update_filtered(ae, unique_id, host->aclk_config->uuid_str); - } else - send = true; - -done: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement when trying should_send_to_cloud, rc = %d", rc); - - return send; -} - -#define SQL_QUEUE_ALERT_TO_CLOUD \ - "INSERT INTO aclk_alert_%s (alert_unique_id, date_created, filtered_alert_unique_id) " \ - "VALUES (@alert_unique_id, UNIXEPOCH(), @alert_unique_id) ON CONFLICT (alert_unique_id) DO NOTHING" - -void sql_queue_alarm_to_aclk(RRDHOST *host, ALARM_ENTRY *ae, bool skip_filter) -{ - sqlite3_stmt *res_alert = NULL; - char sql[ACLK_SYNC_QUERY_SIZE]; - - if (!service_running(SERVICE_ACLK)) - return; - - if (!claimed() || ae->flags & HEALTH_ENTRY_FLAG_ACLK_QUEUED) - return; - - if (false == skip_filter && !should_send_to_cloud(host, ae)) - return; - - if (is_event_from_alert_variable_config(ae->unique_id, &host->host_uuid)) - return; - - snprintfz(sql, sizeof(sql) - 1, SQL_QUEUE_ALERT_TO_CLOUD, host->aclk_config->uuid_str); - - int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res_alert, 0); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to prepare statement to store alert event"); - return; - } - - rc = sqlite3_bind_int64(res_alert, 1, ae->unique_id); - if (unlikely(rc != SQLITE_OK)) - goto done; - - rc = execute_insert(res_alert); - if (unlikely(rc == SQLITE_DONE)) { - ae->flags |= HEALTH_ENTRY_FLAG_ACLK_QUEUED; - rrdhost_flag_set(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS); - } else - error_report("Failed to store alert event %"PRId64", rc = %d", ae->unique_id, rc); - -done: - if (unlikely(sqlite3_finalize(res_alert) != SQLITE_OK)) - error_report("Failed to reset statement in store alert event, rc = %d", rc); -} - -int rrdcalc_status_to_proto_enum(RRDCALC_STATUS status) -{ -#ifdef ENABLE_ACLK - switch(status) { - case RRDCALC_STATUS_REMOVED: - return ALARM_STATUS_REMOVED; - - case RRDCALC_STATUS_UNDEFINED: - return ALARM_STATUS_NOT_A_NUMBER; - - case RRDCALC_STATUS_CLEAR: - return ALARM_STATUS_CLEAR; - - case RRDCALC_STATUS_WARNING: - return ALARM_STATUS_WARNING; - - case RRDCALC_STATUS_CRITICAL: - return ALARM_STATUS_CRITICAL; - - default: - return ALARM_STATUS_UNKNOWN; - } -#else - UNUSED(status); - return 1; -#endif -} - -static inline char *sqlite3_uuid_unparse_strdupz(sqlite3_stmt *res, int iCol) { - char uuid_str[UUID_STR_LEN]; - - if(sqlite3_column_type(res, iCol) == SQLITE_NULL) - uuid_str[0] = '\0'; - else - uuid_unparse_lower(*((uuid_t *) sqlite3_column_blob(res, iCol)), uuid_str); - - return strdupz(uuid_str); -} - -static inline char *sqlite3_text_strdupz_empty(sqlite3_stmt *res, int iCol) { - char *ret; - - if(sqlite3_column_type(res, iCol) == SQLITE_NULL) - ret = ""; - else - ret = (char *)sqlite3_column_text(res, iCol); - - return strdupz(ret); -} - - -static void aclk_push_alert_event(struct aclk_sync_cfg_t *wc __maybe_unused) -{ -#ifdef ENABLE_ACLK - int rc; - - if (unlikely(!wc->alert_updates)) { - nd_log(NDLS_ACCESS, NDLP_NOTICE, - "ACLK STA [%s (%s)]: Ignoring alert push event, updates have been turned off for this node.", - wc->node_id, - wc->host ? rrdhost_hostname(wc->host) : "N/A"); - return; - } - - char *claim_id = get_agent_claimid(); - if (unlikely(!claim_id)) - return; - - if (unlikely(!wc->host)) { - freez(claim_id); - return; - } - - BUFFER *sql = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite); - - sqlite3_stmt *res = NULL; - - buffer_sprintf( - sql, - "SELECT aa.sequence_id, hld.unique_id, hld.alarm_id, hl.config_hash_id, hld.updated_by_id, hld.when_key, " - " hld.duration, hld.non_clear_duration, hld.flags, hld.exec_run_timestamp, hld.delay_up_to_timestamp, hl.name, " - " hl.chart, hl.exec, hl.recipient, ha.source, hl.units, hld.info, hld.exec_code, hld.new_status, " - " hld.old_status, hld.delay, hld.new_value, hld.old_value, hld.last_repeat, hl.chart_context, hld.transition_id, " - " hld.alarm_event_id, hl.chart_name, hld.summary " - " FROM health_log hl, aclk_alert_%s aa, alert_hash ha, health_log_detail hld " - " WHERE hld.unique_id = aa.alert_unique_id AND hl.config_hash_id = ha.hash_id AND aa.date_submitted IS NULL " - " AND hl.host_id = @host_id AND hl.health_log_id = hld.health_log_id " - " ORDER BY aa.sequence_id ASC LIMIT "ACLK_MAX_ALERT_UPDATES, - wc->uuid_str); - - rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0); - if (rc != SQLITE_OK) { - - BUFFER *sql_fix = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite); - buffer_sprintf(sql_fix, TABLE_ACLK_ALERT, wc->uuid_str); - - rc = db_execute(db_meta, buffer_tostring(sql_fix)); - if (unlikely(rc)) - error_report("Failed to create ACLK alert table for host %s", rrdhost_hostname(wc->host)); - buffer_free(sql_fix); - - // Try again - rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement when trying to send an alert update via ACLK"); - - buffer_free(sql); - freez(claim_id); - return; - } - } - - rc = sqlite3_bind_blob(res, 1, &wc->host->host_uuid, sizeof(wc->host->host_uuid), SQLITE_STATIC); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind host_id for pushing alert event."); - goto done; - } - - uint64_t first_sequence_id = 0; - uint64_t last_sequence_id = 0; - - while (sqlite3_step_monitored(res) == SQLITE_ROW) { - struct alarm_log_entry alarm_log; - char old_value_string[100 + 1]; - char new_value_string[100 + 1]; - - alarm_log.node_id = wc->node_id; - alarm_log.claim_id = claim_id; - alarm_log.chart = strdupz((char *)sqlite3_column_text(res, 12)); - alarm_log.name = strdupz((char *)sqlite3_column_text(res, 11)); - alarm_log.when = (time_t) sqlite3_column_int64(res, 5); - alarm_log.config_hash = sqlite3_uuid_unparse_strdupz(res, 3); - alarm_log.utc_offset = wc->host->utc_offset; - alarm_log.timezone = strdupz(rrdhost_abbrev_timezone(wc->host)); - alarm_log.exec_path = sqlite3_column_bytes(res, 13) > 0 ? strdupz((char *)sqlite3_column_text(res, 13)) : - strdupz((char *)string2str(wc->host->health.health_default_exec)); - alarm_log.conf_source = sqlite3_column_bytes(res, 15) > 0 ? strdupz((char *)sqlite3_column_text(res, 15)) : strdupz(""); - - char *edit_command = sqlite3_column_bytes(res, 15) > 0 ? - health_edit_command_from_source((char *)sqlite3_column_text(res, 15)) : - strdupz("UNKNOWN=0=UNKNOWN"); - alarm_log.command = strdupz(edit_command); - - alarm_log.duration = (time_t) sqlite3_column_int64(res, 6); - alarm_log.non_clear_duration = (time_t) sqlite3_column_int64(res, 7); - alarm_log.status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS) sqlite3_column_int(res, 19)); - alarm_log.old_status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS) sqlite3_column_int(res, 20)); - alarm_log.delay = (int) sqlite3_column_int(res, 21); - alarm_log.delay_up_to_timestamp = (time_t) sqlite3_column_int64(res, 10); - alarm_log.last_repeat = (time_t) sqlite3_column_int64(res, 24); - alarm_log.silenced = ((sqlite3_column_int64(res, 8) & HEALTH_ENTRY_FLAG_SILENCED) || - (sqlite3_column_type(res, 14) != SQLITE_NULL && - !strncmp((char *)sqlite3_column_text(res, 14), "silent", 6))) ? - 1 : - 0; - alarm_log.value_string = - sqlite3_column_type(res, 22) == SQLITE_NULL ? - strdupz((char *)"-") : - strdupz((char *)format_value_and_unit( - new_value_string, 100, sqlite3_column_double(res, 22), (char *)sqlite3_column_text(res, 16), -1)); - alarm_log.old_value_string = - sqlite3_column_type(res, 23) == SQLITE_NULL ? - strdupz((char *)"-") : - strdupz((char *)format_value_and_unit( - old_value_string, 100, sqlite3_column_double(res, 23), (char *)sqlite3_column_text(res, 16), -1)); - alarm_log.value = (NETDATA_DOUBLE) sqlite3_column_double(res, 22); - alarm_log.old_value = (NETDATA_DOUBLE) sqlite3_column_double(res, 23); - alarm_log.updated = (sqlite3_column_int64(res, 8) & HEALTH_ENTRY_FLAG_UPDATED) ? 1 : 0; - alarm_log.rendered_info = sqlite3_text_strdupz_empty(res, 17); - alarm_log.chart_context = sqlite3_text_strdupz_empty(res, 25); - alarm_log.transition_id = sqlite3_uuid_unparse_strdupz(res, 26); - alarm_log.event_id = (time_t) sqlite3_column_int64(res, 27); - alarm_log.chart_name = sqlite3_text_strdupz_empty(res, 28); - alarm_log.summary = sqlite3_text_strdupz_empty(res, 29); - - aclk_send_alarm_log_entry(&alarm_log); - - if (first_sequence_id == 0) - first_sequence_id = (uint64_t) sqlite3_column_int64(res, 0); - - if (wc->alerts_log_first_sequence_id == 0) - wc->alerts_log_first_sequence_id = (uint64_t) sqlite3_column_int64(res, 0); - - last_sequence_id = (uint64_t) sqlite3_column_int64(res, 0); - wc->alerts_log_last_sequence_id = (uint64_t) sqlite3_column_int64(res, 0); - - destroy_alarm_log_entry(&alarm_log); - freez(edit_command); - } - - if (first_sequence_id) { - buffer_flush(sql); - buffer_sprintf( - sql, - "UPDATE aclk_alert_%s SET date_submitted=unixepoch() " - "WHERE +date_submitted IS NULL AND sequence_id BETWEEN %" PRIu64 " AND %" PRIu64, - wc->uuid_str, - first_sequence_id, - last_sequence_id); - - if (unlikely(db_execute(db_meta, buffer_tostring(sql)))) - error_report("Failed to mark ACLK alert entries as submitted for host %s", rrdhost_hostname(wc->host)); - - // Mark to do one more check - rrdhost_flag_set(wc->host, RRDHOST_FLAG_ACLK_STREAM_ALERTS); - - } else { - if (wc->alerts_log_first_sequence_id) - nd_log(NDLS_ACCESS, NDLP_DEBUG, - "ACLK RES [%s (%s)]: ALERTS SENT from %" PRIu64 " to %" PRIu64 "", - wc->node_id, - wc->host ? rrdhost_hostname(wc->host) : "N/A", - wc->alerts_log_first_sequence_id, - wc->alerts_log_last_sequence_id); - wc->alerts_log_first_sequence_id = 0; - wc->alerts_log_last_sequence_id = 0; - } - -done: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement to send alert entries from the database, rc = %d", rc); - - freez(claim_id); - buffer_free(sql); -#endif -} - -void aclk_push_alert_events_for_all_hosts(void) -{ - RRDHOST *host; - - dfe_start_reentrant(rrdhost_root_index, host) { - if (rrdhost_flag_check(host, RRDHOST_FLAG_ARCHIVED) || - !rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS)) - continue; - - rrdhost_flag_clear(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS); - - struct aclk_sync_cfg_t *wc = host->aclk_config; - if (likely(wc)) - aclk_push_alert_event(wc); - } - dfe_done(host); -} - -void sql_queue_existing_alerts_to_aclk(RRDHOST *host) -{ - sqlite3_stmt *res = NULL; - int rc; - - struct aclk_sync_cfg_t *wc = host->aclk_config; - - BUFFER *sql = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite); - - rw_spinlock_write_lock(&host->health_log.spinlock); - - buffer_sprintf(sql, "DELETE FROM aclk_alert_%s", wc->uuid_str); - if (unlikely(db_execute(db_meta, buffer_tostring(sql)))) - goto skip; - - buffer_flush(sql); - - buffer_sprintf( - sql, - "INSERT INTO aclk_alert_%s (alert_unique_id, date_created, filtered_alert_unique_id) " - "SELECT hld.unique_id alert_unique_id, unixepoch(), hld.unique_id alert_unique_id FROM health_log_detail hld, health_log hl " - "WHERE hld.new_status <> 0 AND hld.new_status <> -2 AND hl.health_log_id = hld.health_log_id AND hl.config_hash_id IS NOT NULL " - "AND hld.updated_by_id = 0 AND hl.host_id = @host_id ORDER BY hld.unique_id ASC ON CONFLICT (alert_unique_id) DO NOTHING", - wc->uuid_str); - - rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement when trying to queue existing alerts."); - goto skip; - } - - rc = sqlite3_bind_blob(res, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind host_id for when trying to queue existing alerts."); - goto done; - } - - rc = execute_insert(res); - if (unlikely(rc != SQLITE_DONE)) - error_report("Failed to queue existing alerts, rc = %d", rc); - else - rrdhost_flag_set(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS); -done: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement to queue existing alerts, rc = %d", rc); - -skip: - rw_spinlock_write_unlock(&host->health_log.spinlock); - buffer_free(sql); -} - -void aclk_send_alarm_configuration(char *config_hash) -{ - if (unlikely(!config_hash)) - return; - - struct aclk_sync_cfg_t *wc = localhost->aclk_config; - - if (unlikely(!wc)) - return; - - nd_log(NDLS_ACCESS, NDLP_DEBUG, - "ACLK REQ [%s (%s)]: Request to send alert config %s.", - wc->node_id, - wc->host ? rrdhost_hostname(wc->host) : "N/A", - config_hash); - - aclk_push_alert_config(wc->node_id, config_hash); -} - -#define SQL_SELECT_ALERT_CONFIG \ - "SELECT alarm, template, on_key, class, type, component, os, hosts, plugin," \ - "module, charts, lookup, every, units, green, red, calc, warn, crit, to_key, exec, delay, repeat, info," \ - "options, host_labels, p_db_lookup_dimensions, p_db_lookup_method, p_db_lookup_options, p_db_lookup_after," \ - "p_db_lookup_before, p_update_every, chart_labels, summary FROM alert_hash WHERE hash_id = @hash_id" - -void aclk_push_alert_config_event(char *node_id __maybe_unused, char *config_hash __maybe_unused) -{ -#ifdef ENABLE_ACLK - int rc; - - sqlite3_stmt *res = NULL; - struct aclk_sync_cfg_t *wc; - - RRDHOST *host = find_host_by_node_id(node_id); - - if (unlikely(!host || !(wc = host->aclk_config))) { - freez(config_hash); - freez(node_id); - return; - } - - rc = sqlite3_prepare_v2(db_meta, SQL_SELECT_ALERT_CONFIG, -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement when trying to fetch an alarm hash configuration"); - return; - } - - uuid_t hash_uuid; - if (uuid_parse(config_hash, hash_uuid)) - return; - - rc = sqlite3_bind_blob(res, 1, &hash_uuid , sizeof(hash_uuid), SQLITE_STATIC); - if (unlikely(rc != SQLITE_OK)) - goto bind_fail; - - struct aclk_alarm_configuration alarm_config; - struct provide_alarm_configuration p_alarm_config; - p_alarm_config.cfg_hash = NULL; - - if (sqlite3_step_monitored(res) == SQLITE_ROW) { - - int param = 0; - alarm_config.alarm = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.tmpl = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.on_chart = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.classification = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.type = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.component = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.os = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.hosts = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.plugin = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.module = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.charts = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.lookup = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.every = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.units = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.green = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.red = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.calculation_expr = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.warning_expr = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.critical_expr = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.recipient = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.exec = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.delay = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.repeat = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.info = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.options = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); - alarm_config.host_labels = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); // Current param 25 - - alarm_config.p_db_lookup_dimensions = NULL; - alarm_config.p_db_lookup_method = NULL; - alarm_config.p_db_lookup_options = NULL; - alarm_config.p_db_lookup_after = 0; - alarm_config.p_db_lookup_before = 0; - - if (sqlite3_column_bytes(res, 29) > 0) { - - alarm_config.p_db_lookup_dimensions = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); // Current param 26 - alarm_config.p_db_lookup_method = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++); // Current param 27 - if (param != 28) - netdata_log_error("aclk_push_alert_config_event: Unexpected param number %d", param); - - BUFFER *tmp_buf = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite); - buffer_data_options2string(tmp_buf, sqlite3_column_int(res, 28)); - alarm_config.p_db_lookup_options = strdupz((char *)buffer_tostring(tmp_buf)); - buffer_free(tmp_buf); - - alarm_config.p_db_lookup_after = sqlite3_column_int(res, 29); - alarm_config.p_db_lookup_before = sqlite3_column_int(res, 30); - } - - alarm_config.p_update_every = sqlite3_column_int(res, 31); - - alarm_config.chart_labels = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, 32); - alarm_config.summary = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, 33); - - p_alarm_config.cfg_hash = strdupz((char *) config_hash); - p_alarm_config.cfg = alarm_config; - } - - if (likely(p_alarm_config.cfg_hash)) { - nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK RES [%s (%s)]: Sent alert config %s.", wc->node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A", config_hash); - aclk_send_provide_alarm_cfg(&p_alarm_config); - freez(p_alarm_config.cfg_hash); - destroy_aclk_alarm_configuration(&alarm_config); - } - else - nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK STA [%s (%s)]: Alert config for %s not found.", wc->node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A", config_hash); - -bind_fail: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to reset statement when pushing alarm config hash, rc = %d", rc); - - freez(config_hash); - freez(node_id); -#endif -} - - -// Start streaming alerts -void aclk_start_alert_streaming(char *node_id, bool resets) -{ - uuid_t node_uuid; - - if (unlikely(!node_id || uuid_parse(node_id, node_uuid))) - return; - - struct aclk_sync_cfg_t *wc; - - RRDHOST *host = find_host_by_node_id(node_id); - if (unlikely(!host || !(wc = host->aclk_config))) - return; - - if (unlikely(!host->health.health_enabled)) { - nd_log(NDLS_ACCESS, NDLP_NOTICE, "ACLK STA [%s (N/A)]: Ignoring request to stream alert state changes, health is disabled.", node_id); - return; - } - - if (resets) { - nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: STREAM ALERTS ENABLED (RESET REQUESTED)", node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A"); - sql_queue_existing_alerts_to_aclk(host); - } else - nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: STREAM ALERTS ENABLED", node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A"); - - wc->alert_updates = 1; - wc->alert_queue_removed = SEND_REMOVED_AFTER_HEALTH_LOOPS; -} - -#define SQL_QUEUE_REMOVE_ALERTS \ - "INSERT INTO aclk_alert_%s (alert_unique_id, date_created, filtered_alert_unique_id) " \ - "SELECT hld.unique_id alert_unique_id, UNIXEPOCH(), hld.unique_id alert_unique_id FROM health_log hl, health_log_detail hld " \ - "WHERE hl.host_id = @host_id AND hl.health_log_id = hld.health_log_id AND hld.new_status = -2 AND hld.updated_by_id = 0 " \ - "AND hld.unique_id NOT IN (SELECT alert_unique_id FROM aclk_alert_%s) " \ - "AND hl.config_hash_id NOT IN (SELECT hash_id FROM alert_hash WHERE warn IS NULL AND crit IS NULL) " \ - "AND hl.name || hl.chart NOT IN (select name || chart FROM health_log WHERE name = hl.name AND " \ - "chart = hl.chart AND alarm_id > hl.alarm_id AND host_id = hl.host_id) " \ - "ORDER BY hld.unique_id ASC ON CONFLICT (alert_unique_id) DO NOTHING" - -void sql_process_queue_removed_alerts_to_aclk(char *node_id) -{ - struct aclk_sync_cfg_t *wc; - RRDHOST *host = find_host_by_node_id(node_id); - freez(node_id); - - if (unlikely(!host || !(wc = host->aclk_config))) - return; - - char sql[ACLK_SYNC_QUERY_SIZE * 2]; - sqlite3_stmt *res = NULL; - - snprintfz(sql, sizeof(sql) - 1, SQL_QUEUE_REMOVE_ALERTS, wc->uuid_str, wc->uuid_str); - - int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement when trying to queue removed alerts."); - return; - } - - rc = sqlite3_bind_blob(res, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind host_id for when trying to queue remvoed alerts."); - goto skip; - } - - rc = execute_insert(res); - if (likely(rc == SQLITE_DONE)) { - nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK STA [%s (%s)]: QUEUED REMOVED ALERTS", wc->node_id, rrdhost_hostname(wc->host)); - rrdhost_flag_set(wc->host, RRDHOST_FLAG_ACLK_STREAM_ALERTS); - wc->alert_queue_removed = 0; - } - -skip: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement to queue removed alerts, rc = %d", rc); -} - -void sql_queue_removed_alerts_to_aclk(RRDHOST *host) -{ - if (unlikely(!host->aclk_config || !claimed() || !host->node_id)) - return; - - char node_id[UUID_STR_LEN]; - uuid_unparse_lower(*host->node_id, node_id); - - aclk_push_node_removed_alerts(node_id); -} - -void aclk_process_send_alarm_snapshot(char *node_id, char *claim_id __maybe_unused, char *snapshot_uuid) -{ - uuid_t node_uuid; - - if (unlikely(!node_id || uuid_parse(node_id, node_uuid))) - return; - - struct aclk_sync_cfg_t *wc; - - RRDHOST *host = find_host_by_node_id(node_id); - if (unlikely(!host || !(wc = host->aclk_config))) { - nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK STA [%s (N/A)]: ACLK node id does not exist", node_id); - return; - } - - nd_log(NDLS_ACCESS, NDLP_DEBUG, - "IN [%s (%s)]: Request to send alerts snapshot, snapshot_uuid %s", - node_id, - wc->host ? rrdhost_hostname(wc->host) : "N/A", - snapshot_uuid); - - if (wc->alerts_snapshot_uuid && !strcmp(wc->alerts_snapshot_uuid,snapshot_uuid)) - return; - - wc->alerts_snapshot_uuid = strdupz(snapshot_uuid); - - aclk_push_node_alert_snapshot(node_id); -} - -#ifdef ENABLE_ACLK -void health_alarm_entry2proto_nolock(struct alarm_log_entry *alarm_log, ALARM_ENTRY *ae, RRDHOST *host) -{ - char *edit_command = ae->source ? health_edit_command_from_source(ae_source(ae)) : strdupz("UNKNOWN=0=UNKNOWN"); - char config_hash_id[UUID_STR_LEN]; - uuid_unparse_lower(ae->config_hash_id, config_hash_id); - char transition_id[UUID_STR_LEN]; - uuid_unparse_lower(ae->transition_id, transition_id); - - alarm_log->chart = strdupz(ae_chart_id(ae)); - alarm_log->name = strdupz(ae_name(ae)); - - alarm_log->when = ae->when; - - alarm_log->config_hash = strdupz((char *)config_hash_id); - - alarm_log->utc_offset = host->utc_offset; - alarm_log->timezone = strdupz(rrdhost_abbrev_timezone(host)); - alarm_log->exec_path = ae->exec ? strdupz(ae_exec(ae)) : strdupz((char *)string2str(host->health.health_default_exec)); - alarm_log->conf_source = ae->source ? strdupz(ae_source(ae)) : strdupz((char *)""); - - alarm_log->command = strdupz((char *)edit_command); - - alarm_log->duration = (time_t)ae->duration; - alarm_log->non_clear_duration = (time_t)ae->non_clear_duration; - alarm_log->status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS)ae->new_status); - alarm_log->old_status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS)ae->old_status); - alarm_log->delay = ae->delay; - alarm_log->delay_up_to_timestamp = (time_t)ae->delay_up_to_timestamp; - alarm_log->last_repeat = (time_t)ae->last_repeat; - - alarm_log->silenced = - ((ae->flags & HEALTH_ENTRY_FLAG_SILENCED) || (ae->recipient && !strncmp(ae_recipient(ae), "silent", 6))) ? - 1 : - 0; - - alarm_log->value_string = strdupz(ae_new_value_string(ae)); - alarm_log->old_value_string = strdupz(ae_old_value_string(ae)); - - alarm_log->value = (!isnan(ae->new_value)) ? (NETDATA_DOUBLE)ae->new_value : 0; - alarm_log->old_value = (!isnan(ae->old_value)) ? (NETDATA_DOUBLE)ae->old_value : 0; - - alarm_log->updated = (ae->flags & HEALTH_ENTRY_FLAG_UPDATED) ? 1 : 0; - alarm_log->rendered_info = strdupz(ae_info(ae)); - alarm_log->chart_context = strdupz(ae_chart_context(ae)); - alarm_log->chart_name = strdupz(ae_chart_name(ae)); - - alarm_log->transition_id = strdupz((char *)transition_id); - alarm_log->event_id = (uint64_t) ae->alarm_event_id; - - alarm_log->summary = strdupz(ae_summary(ae)); - - freez(edit_command); -} -#endif - -#ifdef ENABLE_ACLK -static bool have_recent_alarm(RRDHOST *host, int64_t alarm_id, int64_t mark) -{ - ALARM_ENTRY *ae = host->health_log.alarms; - - while (ae) { - if (ae->alarm_id == alarm_id && ae->unique_id >mark && - (ae->new_status != RRDCALC_STATUS_WARNING && ae->new_status != RRDCALC_STATUS_CRITICAL)) - return true; - ae = ae->next; - } - - return false; -} -#endif - -#define ALARM_EVENTS_PER_CHUNK 1000 -void aclk_push_alert_snapshot_event(char *node_id __maybe_unused) -{ -#ifdef ENABLE_ACLK - RRDHOST *host = find_host_by_node_id(node_id); - - if (unlikely(!host)) { - nd_log(NDLS_ACCESS, NDLP_WARNING, "AC [%s (N/A)]: Node id not found", node_id); - freez(node_id); - return; - } - freez(node_id); - - struct aclk_sync_cfg_t *wc = host->aclk_config; - - // we perhaps we don't need this for snapshots - if (unlikely(!wc->alert_updates)) { - nd_log(NDLS_ACCESS, NDLP_NOTICE, - "ACLK STA [%s (%s)]: Ignoring alert snapshot event, updates have been turned off for this node.", - wc->node_id, - wc->host ? rrdhost_hostname(wc->host) : "N/A"); - return; - } - - if (unlikely(!wc->alerts_snapshot_uuid)) - return; - - char *claim_id = get_agent_claimid(); - if (unlikely(!claim_id)) - return; - - nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: Sending alerts snapshot, snapshot_uuid %s", wc->node_id, rrdhost_hostname(wc->host), wc->alerts_snapshot_uuid); - - uint32_t cnt = 0; - - rw_spinlock_read_lock(&host->health_log.spinlock); - - ALARM_ENTRY *ae = host->health_log.alarms; - - for (; ae; ae = ae->next) { - if (likely(ae->updated_by_id)) - continue; - - if (unlikely(ae->new_status == RRDCALC_STATUS_UNINITIALIZED)) - continue; - - if (have_recent_alarm(host, ae->alarm_id, ae->unique_id)) - continue; - - if (is_event_from_alert_variable_config(ae->unique_id, &host->host_uuid)) - continue; - - cnt++; - } - - if (cnt) { - uint32_t chunks; - - chunks = (cnt / ALARM_EVENTS_PER_CHUNK) + (cnt % ALARM_EVENTS_PER_CHUNK != 0); - ae = host->health_log.alarms; - - cnt = 0; - struct alarm_snapshot alarm_snap; - alarm_snap.node_id = wc->node_id; - alarm_snap.claim_id = claim_id; - alarm_snap.snapshot_uuid = wc->alerts_snapshot_uuid; - alarm_snap.chunks = chunks; - alarm_snap.chunk = 1; - - alarm_snapshot_proto_ptr_t snapshot_proto = NULL; - - for (; ae; ae = ae->next) { - if (likely(ae->updated_by_id) || unlikely(ae->new_status == RRDCALC_STATUS_UNINITIALIZED)) - continue; - - if (have_recent_alarm(host, ae->alarm_id, ae->unique_id)) - continue; - - if (is_event_from_alert_variable_config(ae->unique_id, &host->host_uuid)) - continue; - - cnt++; - - struct alarm_log_entry alarm_log; - alarm_log.node_id = wc->node_id; - alarm_log.claim_id = claim_id; - - if (!snapshot_proto) - snapshot_proto = generate_alarm_snapshot_proto(&alarm_snap); - - health_alarm_entry2proto_nolock(&alarm_log, ae, host); - add_alarm_log_entry2snapshot(snapshot_proto, &alarm_log); - - if (cnt == ALARM_EVENTS_PER_CHUNK) { - aclk_send_alarm_snapshot(snapshot_proto); - cnt = 0; - if (alarm_snap.chunk < chunks) { - alarm_snap.chunk++; - snapshot_proto = generate_alarm_snapshot_proto(&alarm_snap); - } - } - destroy_alarm_log_entry(&alarm_log); - } - if (cnt) - aclk_send_alarm_snapshot(snapshot_proto); - } - - rw_spinlock_read_unlock(&host->health_log.spinlock); - wc->alerts_snapshot_uuid = NULL; - - freez(claim_id); -#endif -} - -#define SQL_DELETE_ALERT_ENTRIES "DELETE FROM aclk_alert_%s WHERE date_created < UNIXEPOCH() - @period" - -void sql_aclk_alert_clean_dead_entries(RRDHOST *host) -{ - struct aclk_sync_cfg_t *wc = host->aclk_config; - if (unlikely(!wc)) - return; - - char sql[ACLK_SYNC_QUERY_SIZE]; - snprintfz(sql, sizeof(sql) - 1, SQL_DELETE_ALERT_ENTRIES, wc->uuid_str); - - sqlite3_stmt *res = NULL; - int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement for cleaning stale ACLK alert entries."); - return; - } - - rc = sqlite3_bind_int64(res, 1, MAX_REMOVED_PERIOD); - if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to bind MAX_REMOVED_PERIOD parameter."); - goto skip; - } - - rc = sqlite3_step_monitored(res); - if (rc != SQLITE_DONE) - error_report("Failed to execute DELETE query for cleaning stale ACLK alert entries."); - -skip: - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement for cleaning stale ACLK alert entries."); -} - -#define SQL_GET_MIN_MAX_ALERT_SEQ "SELECT MIN(sequence_id), MAX(sequence_id), " \ - "(SELECT MAX(sequence_id) FROM aclk_alert_%s WHERE date_submitted IS NOT NULL) " \ - "FROM aclk_alert_%s WHERE date_submitted IS NULL" -int get_proto_alert_status(RRDHOST *host, struct proto_alert_status *proto_alert_status) -{ - - struct aclk_sync_cfg_t *wc = host->aclk_config; - if (!wc) - return 1; - - proto_alert_status->alert_updates = wc->alert_updates; - - char sql[ACLK_SYNC_QUERY_SIZE]; - - sqlite3_stmt *res = NULL; - snprintfz(sql, sizeof(sql) - 1, SQL_GET_MIN_MAX_ALERT_SEQ, wc->uuid_str, wc->uuid_str); - - int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0); - if (rc != SQLITE_OK) { - error_report("Failed to prepare statement to get alert log status from the database."); - return 1; - } - - while (sqlite3_step_monitored(res) == SQLITE_ROW) { - proto_alert_status->pending_min_sequence_id = - sqlite3_column_bytes(res, 0) > 0 ? (uint64_t)sqlite3_column_int64(res, 0) : 0; - proto_alert_status->pending_max_sequence_id = - sqlite3_column_bytes(res, 1) > 0 ? (uint64_t)sqlite3_column_int64(res, 1) : 0; - proto_alert_status->last_submitted_sequence_id = - sqlite3_column_bytes(res, 2) > 0 ? (uint64_t)sqlite3_column_int64(res, 2) : 0; - } - - rc = sqlite3_finalize(res); - if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize statement to get alert log status from the database, rc = %d", rc); - - return 0; -} - -void aclk_send_alarm_checkpoint(char *node_id, char *claim_id __maybe_unused) -{ - if (unlikely(!node_id)) - return; - - struct aclk_sync_cfg_t *wc; - RRDHOST *host = find_host_by_node_id(node_id); - - if (unlikely(!host || !(wc = host->aclk_config))) - nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK REQ [%s (N/A)]: ALERTS CHECKPOINT REQUEST RECEIVED FOR INVALID NODE", node_id); - else { - nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: ALERTS CHECKPOINT REQUEST RECEIVED", node_id, rrdhost_hostname(host)); - wc->alert_checkpoint_req = SEND_CHECKPOINT_AFTER_HEALTH_LOOPS; - } -} - -typedef struct active_alerts { - char *name; - char *chart; - RRDCALC_STATUS status; -} active_alerts_t; - -static inline int compare_active_alerts(const void *a, const void *b) -{ - active_alerts_t *active_alerts_a = (active_alerts_t *)a; - active_alerts_t *active_alerts_b = (active_alerts_t *)b; - - if (!(strcmp(active_alerts_a->name, active_alerts_b->name))) { - return strcmp(active_alerts_a->chart, active_alerts_b->chart); - } else - return strcmp(active_alerts_a->name, active_alerts_b->name); -} - -#define BATCH_ALLOCATED 10 -void aclk_push_alarm_checkpoint(RRDHOST *host __maybe_unused) -{ -#ifdef ENABLE_ACLK - struct aclk_sync_cfg_t *wc = host->aclk_config; - if (unlikely(!wc)) { - nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK REQ [%s (N/A)]: ALERTS CHECKPOINT REQUEST RECEIVED FOR INVALID NODE", rrdhost_hostname(host)); - return; - } - - if (rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS)) { - //postpone checkpoint send - wc->alert_checkpoint_req += 3; - nd_log(NDLS_ACCESS, NDLP_NOTICE, "ACLK REQ [%s (N/A)]: ALERTS CHECKPOINT POSTPONED", rrdhost_hostname(host)); - return; - } - - RRDCALC *rc; - uint32_t cnt = 0; - size_t len = 0; - - active_alerts_t *active_alerts = callocz(BATCH_ALLOCATED, sizeof(active_alerts_t)); - foreach_rrdcalc_in_rrdhost_read(host, rc) { - if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) - continue; - - if (rc->status == RRDCALC_STATUS_WARNING || - rc->status == RRDCALC_STATUS_CRITICAL) { - - if (cnt && !(cnt % BATCH_ALLOCATED)) { - active_alerts = reallocz(active_alerts, (BATCH_ALLOCATED * ((cnt / BATCH_ALLOCATED) + 1)) * sizeof(active_alerts_t)); - } - - active_alerts[cnt].name = (char *)rrdcalc_name(rc); - len += string_strlen(rc->name); - active_alerts[cnt].chart = (char *)rrdcalc_chart_name(rc); - len += string_strlen(rc->chart); - active_alerts[cnt].status = rc->status; - len++; - cnt++; - } - } - foreach_rrdcalc_in_rrdhost_done(rc); - - BUFFER *alarms_to_hash; - if (cnt) { - qsort(active_alerts, cnt, sizeof(active_alerts_t), compare_active_alerts); - - alarms_to_hash = buffer_create(len, NULL); - for (uint32_t i = 0; i < cnt; i++) { - buffer_strcat(alarms_to_hash, active_alerts[i].name); - buffer_strcat(alarms_to_hash, active_alerts[i].chart); - if (active_alerts[i].status == RRDCALC_STATUS_WARNING) - buffer_fast_strcat(alarms_to_hash, "W", 1); - else if (active_alerts[i].status == RRDCALC_STATUS_CRITICAL) - buffer_fast_strcat(alarms_to_hash, "C", 1); - } - } else { - alarms_to_hash = buffer_create(1, NULL); - buffer_strcat(alarms_to_hash, ""); - len = 0; - } - freez(active_alerts); - - char hash[SHA256_DIGEST_LENGTH + 1]; - if (hash256_string((const unsigned char *)buffer_tostring(alarms_to_hash), len, hash)) { - hash[SHA256_DIGEST_LENGTH] = 0; - - struct alarm_checkpoint alarm_checkpoint; - char *claim_id = get_agent_claimid(); - alarm_checkpoint.claim_id = claim_id; - alarm_checkpoint.node_id = wc->node_id; - alarm_checkpoint.checksum = (char *)hash; - - aclk_send_provide_alarm_checkpoint(&alarm_checkpoint); - freez(claim_id); - nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK RES [%s (%s)]: ALERTS CHECKPOINT SENT", wc->node_id, rrdhost_hostname(host)); - } else - nd_log(NDLS_ACCESS, NDLP_ERR, "ACLK RES [%s (%s)]: FAILED TO CREATE ALERTS CHECKPOINT HASH", wc->node_id, rrdhost_hostname(host)); - - wc->alert_checkpoint_req = 0; - buffer_free(alarms_to_hash); -#endif -} -- cgit v1.2.3