diff options
Diffstat (limited to 'database/sqlite/sqlite_health.c')
| -rw-r--r-- | database/sqlite/sqlite_health.c | 1125 |
1 files changed, 1125 insertions, 0 deletions
diff --git a/database/sqlite/sqlite_health.c b/database/sqlite/sqlite_health.c new file mode 100644 index 0000000..c189305 --- /dev/null +++ b/database/sqlite/sqlite_health.c @@ -0,0 +1,1125 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "sqlite_health.h" +#include "sqlite_functions.h" + +#define MAX_HEALTH_SQL_SIZE 2048 +#define sqlite3_bind_string_or_null(res,key,param) ((key) ? sqlite3_bind_text(res, param, string2str(key), -1, SQLITE_STATIC) : sqlite3_bind_null(res, param)) + +/* Health related SQL queries + Creates a health log table in sqlite, one per host guid +*/ +#define SQL_CREATE_HEALTH_LOG_TABLE(guid) "CREATE TABLE IF NOT EXISTS health_log_%s(hostname text, unique_id int, alarm_id int, alarm_event_id int, config_hash_id blob, updated_by_id int, updates_id int, when_key int, duration int, non_clear_duration int, flags int, exec_run_timestamp int, delay_up_to_timestamp int, name text, chart text, family text, exec text, recipient text, source text, units text, info text, exec_code int, new_status real, old_status real, delay int, new_value double, old_value double, last_repeat int, class text, component text, type text, chart_context text);", guid +int sql_create_health_log_table(RRDHOST *host) { + int rc; + char *err_msg = NULL, command[MAX_HEALTH_SQL_SIZE + 1]; + + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + error_report("HEALTH [%s]: Database has not been initialized", rrdhost_hostname(host)); + return 1; + } + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_CREATE_HEALTH_LOG_TABLE(uuid_str)); + + rc = sqlite3_exec_monitored(db_meta, command, 0, 0, &err_msg); + if (rc != SQLITE_OK) { + error_report("HEALTH [%s]: SQLite error during creation of health log table, rc = %d (%s)", rrdhost_hostname(host), rc, err_msg); + sqlite3_free(err_msg); + return 1; + } + + snprintfz(command, MAX_HEALTH_SQL_SIZE, "CREATE INDEX IF NOT EXISTS " + "health_log_index_%s ON health_log_%s (unique_id); ", uuid_str, uuid_str); + db_execute(command); + + return 0; +} + +/* Health related SQL queries + Updates an entry in the table +*/ +#define SQL_UPDATE_HEALTH_LOG(guid) "UPDATE health_log_%s set updated_by_id = ?, flags = ?, exec_run_timestamp = ?, exec_code = ? where unique_id = ?;", guid +void sql_health_alarm_log_update(RRDHOST *host, ALARM_ENTRY *ae) { + sqlite3_stmt *res = NULL; + int rc; + char command[MAX_HEALTH_SQL_SIZE + 1]; + + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + error_report("HEALTH [%s]: Database has not been initialized", rrdhost_hostname(host)); + return; + } + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_UPDATE_HEALTH_LOG(uuid_str)); + + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("HEALTH [%s]: Failed to prepare statement for SQL_UPDATE_HEALTH_LOG", rrdhost_hostname(host)); + return; + } + + rc = sqlite3_bind_int64(res, 1, (sqlite3_int64) ae->updated_by_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind updated_by_id parameter for SQL_UPDATE_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 2, (sqlite3_int64) ae->flags); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind flags parameter for SQL_UPDATE_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 3, (sqlite3_int64) ae->exec_run_timestamp); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind exec_run_timestamp parameter for SQL_UPDATE_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int(res, 4, ae->exec_code); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind exec_code parameter for SQL_UPDATE_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 5, (sqlite3_int64) ae->unique_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind unique_id parameter for SQL_UPDATE_HEALTH_LOG"); + goto failed; + } + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) { + error_report("HEALTH [%s]: Failed to update health log, rc = %d", rrdhost_hostname(host), rc); + } + + failed: + if (unlikely(sqlite3_finalize(res) != SQLITE_OK)) + error_report("HEALTH [%s]: Failed to finalize the prepared statement for updating health log.", rrdhost_hostname(host)); + + return; +} + +/* Health related SQL queries + Inserts an entry in the table +*/ +#define SQL_INSERT_HEALTH_LOG(guid) "INSERT INTO health_log_%s(hostname, unique_id, alarm_id, alarm_event_id, " \ + "config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, " \ + "exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, " \ + "units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, " \ + "class, component, type, chart_context) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?);", guid + +void sql_health_alarm_log_insert(RRDHOST *host, ALARM_ENTRY *ae) { + sqlite3_stmt *res = NULL; + int rc; + char command[MAX_HEALTH_SQL_SIZE + 1]; + + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + error_report("HEALTH [%s]: Database has not been initialized", rrdhost_hostname(host)); + return; + } + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_INSERT_HEALTH_LOG(uuid_str)); + + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("HEALTH [%s]: Failed to prepare statement for SQL_INSERT_HEALTH_LOG", rrdhost_hostname(host)); + return; + } + + rc = sqlite3_bind_text(res, 1, rrdhost_hostname(host), -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind hostname parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 2, (sqlite3_int64) ae->unique_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind unique_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 3, (sqlite3_int64) ae->alarm_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind alarm_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 4, (sqlite3_int64) ae->alarm_event_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind alarm_event_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_blob(res, 5, &ae->config_hash_id, sizeof(ae->config_hash_id), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind config_hash_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 6, (sqlite3_int64) ae->updated_by_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind updated_by_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 7, (sqlite3_int64) ae->updates_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind updates_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 8, (sqlite3_int64) ae->when); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind when parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 9, (sqlite3_int64) ae->duration); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind duration parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 10, (sqlite3_int64) ae->non_clear_duration); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind non_clear_duration parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 11, (sqlite3_int64) ae->flags); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind flags parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 12, (sqlite3_int64) ae->exec_run_timestamp); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind exec_run_timestamp parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 13, (sqlite3_int64) ae->delay_up_to_timestamp); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind delay_up_to_timestamp parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->name, 14); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind name parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->chart, 15); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind chart parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->family, 16); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind family parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->exec, 17); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind exec parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->recipient, 18); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind recipient parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->source, 19); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind source parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->units, 20); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind host_id parameter to store node instance information"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->info, 21); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind info parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int(res, 22, ae->exec_code); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind exec_code parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int(res, 23, ae->new_status); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind new_status parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int(res, 24, ae->old_status); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind old_status parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int(res, 25, ae->delay); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind delay parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_double(res, 26, ae->new_value); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind new_value parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_double(res, 27, ae->old_value); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind old_value parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 28, (sqlite3_int64) ae->last_repeat); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind last_repeat parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->classification, 29); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind classification parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->component, 30); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind component parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->type, 31); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind type parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_string_or_null(res, ae->chart_context, 32); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind chart_context parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) { + error_report("HEALTH [%s]: Failed to execute SQL_INSERT_HEALTH_LOG, rc = %d", rrdhost_hostname(host), rc); + goto failed; + } + + ae->flags |= HEALTH_ENTRY_FLAG_SAVED; + host->health_log_entries_written++; + + failed: + if (unlikely(sqlite3_finalize(res) != SQLITE_OK)) + error_report("HEALTH [%s]: Failed to finalize the prepared statement for inserting to health log.", rrdhost_hostname(host)); + + return; +} + +void sql_health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) +{ + if (ae->flags & HEALTH_ENTRY_FLAG_SAVED) + sql_health_alarm_log_update(host, ae); + else + sql_health_alarm_log_insert(host, ae); +} + +/* Health related SQL queries + Cleans up the health_log table. +*/ +#define SQL_CLEANUP_HEALTH_LOG(guid,guid2,limit) "DELETE from health_log_%s where unique_id in (SELECT unique_id from health_log_%s order by unique_id asc LIMIT %lu);", guid, guid2, limit +void sql_health_alarm_log_cleanup(RRDHOST *host) { + sqlite3_stmt *res = NULL; + static size_t rotate_every = 0; + int rc; + char command[MAX_HEALTH_SQL_SIZE + 1]; + + if(unlikely(rotate_every == 0)) { + rotate_every = (size_t)config_get_number(CONFIG_SECTION_HEALTH, "rotate log every lines", 2000); + if(rotate_every < 100) rotate_every = 100; + } + + if(likely(host->health_log_entries_written < rotate_every)) { + return; + } + + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + error_report("Database has not been initialized"); + return; + } + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_CLEANUP_HEALTH_LOG(uuid_str, uuid_str, (unsigned long int) (host->health_log_entries_written - rotate_every))); + + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to cleanup health log table"); + return; + } + + rc = sqlite3_step_monitored(res); + if (unlikely(rc != SQLITE_DONE)) + error_report("Failed to cleanup health log table, rc = %d", rc); + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the prepared statement to cleanup health log table"); + + host->health_log_entries_written = rotate_every; + + sql_aclk_alert_clean_dead_entries(host); +} + +/* Health related SQL queries + Get a count of rows from health log table +*/ +#define SQL_COUNT_HEALTH_LOG(guid) "SELECT count(1) FROM health_log_%s;", guid +void sql_health_alarm_log_count(RRDHOST *host) { + sqlite3_stmt *res = NULL; + int rc; + char command[MAX_HEALTH_SQL_SIZE + 1]; + + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + error_report("Database has not been initialized"); + return; + } + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_COUNT_HEALTH_LOG(uuid_str)); + + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to count health log entries from db"); + return; + } + + rc = sqlite3_step_monitored(res); + if (likely(rc == SQLITE_ROW)) + host->health_log_entries_written = (size_t) sqlite3_column_int64(res, 0); + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the prepared statement to count health log entries from db"); + + info("HEALTH [%s]: Table health_log_%s, contains %lu entries.", rrdhost_hostname(host), uuid_str, (unsigned long int) host->health_log_entries_written); +} + +#define SQL_INJECT_REMOVED(guid, guid2) "insert into health_log_%s (hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, " \ +"delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context) " \ +"select hostname, ?1, ?2, ?3, config_hash_id, 0, ?4, unixepoch(), 0, 0, flags, exec_run_timestamp, " \ +"unixepoch(), name, chart, family, exec, recipient, source, units, info, exec_code, -2, new_status, delay, NULL, new_value, 0, class, component, type, chart_context " \ +"from health_log_%s where unique_id = ?5", guid, guid2 +#define SQL_INJECT_REMOVED_UPDATE(guid) "update health_log_%s set flags = flags | ?1, updated_by_id = ?2 where unique_id = ?3; ", guid +void sql_inject_removed_status(char *uuid_str, uint32_t alarm_id, uint32_t alarm_event_id, uint32_t unique_id, uint32_t max_unique_id) +{ + int rc = 0; + char command[MAX_HEALTH_SQL_SIZE + 1]; + + if (!alarm_id || !alarm_event_id || !unique_id || !max_unique_id) + return; + + sqlite3_stmt *res = NULL; + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_INJECT_REMOVED(uuid_str, uuid_str)); + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement when trying to inject removed event"); + return; + } + + rc = sqlite3_bind_int64(res, 1, (sqlite3_int64) max_unique_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind max_unique_id parameter for SQL_INJECT_REMOVED"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 2, (sqlite3_int64) alarm_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind alarm_id parameter for SQL_INJECT_REMOVED"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 3, (sqlite3_int64) alarm_event_id + 1); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind alarm_event_id parameter for SQL_INJECT_REMOVED"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 4, (sqlite3_int64) unique_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind unique_id parameter for SQL_INJECT_REMOVED"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 5, (sqlite3_int64) unique_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind unique_id parameter for SQL_INJECT_REMOVED"); + goto failed; + } + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) { + error_report("HEALTH [N/A]: Failed to execute SQL_INJECT_REMOVED, rc = %d", rc); + goto failed; + } + + if (unlikely(sqlite3_finalize(res) != SQLITE_OK)) + error_report("HEALTH [N/A]: Failed to finalize the prepared statement for injecting removed event."); + + //update the old entry + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_INJECT_REMOVED_UPDATE(uuid_str)); + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement when trying to update during inject removed event"); + return; + } + + rc = sqlite3_bind_int64(res, 1, (sqlite3_int64) HEALTH_ENTRY_FLAG_UPDATED); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind flags parameter for SQL_INJECT_REMOVED (update)"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 2, (sqlite3_int64) max_unique_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind max_unique_id parameter for SQL_INJECT_REMOVED (update)"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 3, (sqlite3_int64) unique_id); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind unique_id parameter for SQL_INJECT_REMOVED (update)"); + goto failed; + } + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) { + error_report("HEALTH [N/A]: Failed to execute SQL_INJECT_REMOVED_UPDATE, rc = %d", rc); + goto failed; + } + +failed: + if (unlikely(sqlite3_finalize(res) != SQLITE_OK)) + error_report("HEALTH [N/A]: Failed to finalize the prepared statement for injecting removed event."); + return; + +} + +#define SQL_SELECT_MAX_UNIQUE_ID(guid) "SELECT MAX(unique_id) from health_log_%s", guid +uint32_t sql_get_max_unique_id (char *uuid_str) +{ + int rc = 0; + char command[MAX_HEALTH_SQL_SIZE + 1]; + uint32_t max_unique_id = 0; + + sqlite3_stmt *res = NULL; + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_SELECT_MAX_UNIQUE_ID(uuid_str)); + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement when trying to get max unique id"); + return 0; + } + + while (sqlite3_step_monitored(res) == SQLITE_ROW) { + max_unique_id = (uint32_t) sqlite3_column_int64(res, 0); + } + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the statement"); + + return max_unique_id; +} + +#define SQL_SELECT_LAST_STATUSES(guid) "SELECT new_status, unique_id, alarm_id, alarm_event_id from health_log_%s group by alarm_id having max(alarm_event_id)", guid +void sql_check_removed_alerts_state(char *uuid_str) +{ + int rc = 0; + char command[MAX_HEALTH_SQL_SIZE + 1]; + RRDCALC_STATUS status; + uint32_t alarm_id = 0, alarm_event_id = 0, unique_id = 0, max_unique_id = 0; + + sqlite3_stmt *res = NULL; + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_SELECT_LAST_STATUSES(uuid_str)); + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement when trying to check removed statuses"); + return; + } + + while (sqlite3_step_monitored(res) == SQLITE_ROW) { + status = (RRDCALC_STATUS) sqlite3_column_int(res, 0); + unique_id = (uint32_t) sqlite3_column_int64(res, 1); + alarm_id = (uint32_t) sqlite3_column_int64(res, 2); + alarm_event_id = (uint32_t) sqlite3_column_int64(res, 3); + if (unlikely(status != RRDCALC_STATUS_REMOVED)) { + if (unlikely(!max_unique_id)) + max_unique_id = sql_get_max_unique_id (uuid_str); + sql_inject_removed_status (uuid_str, alarm_id, alarm_event_id, unique_id, ++max_unique_id); + } + } + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the statement"); +} + +/* Health related SQL queries + Load from the health log table +*/ +#define SQL_LOAD_HEALTH_LOG(guid,limit) "SELECT hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context FROM (SELECT hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context FROM health_log_%s order by unique_id desc limit %u) order by unique_id asc;", guid, limit +void sql_health_alarm_log_load(RRDHOST *host) { + sqlite3_stmt *res = NULL; + int ret; + ssize_t errored = 0, loaded = 0; + char command[MAX_HEALTH_SQL_SIZE + 1]; + + host->health_log_entries_written = 0; + + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + error_report("HEALTH [%s]: Database has not been initialized", rrdhost_hostname(host)); + return; + } + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + sql_check_removed_alerts_state(uuid_str); + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_LOAD_HEALTH_LOG(uuid_str, host->health_log.max)); + + ret = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (unlikely(ret != SQLITE_OK)) { + error_report("HEALTH [%s]: Failed to prepare sql statement to load health log.", rrdhost_hostname(host)); + return; + } + + DICTIONARY *all_rrdcalcs = dictionary_create( + DICT_OPTION_NAME_LINK_DONT_CLONE | DICT_OPTION_VALUE_LINK_DONT_CLONE | DICT_OPTION_DONT_OVERWRITE_VALUE); + RRDCALC *rc; + foreach_rrdcalc_in_rrdhost_read(host, rc) { + dictionary_set(all_rrdcalcs, rrdcalc_name(rc), rc, sizeof(*rc)); + } + foreach_rrdcalc_in_rrdhost_done(rc); + + netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock); + + while (sqlite3_step_monitored(res) == SQLITE_ROW) { + ALARM_ENTRY *ae = NULL; + + // check that we have valid ids + uint32_t unique_id = (uint32_t) sqlite3_column_int64(res, 1); + if(!unique_id) { + error_report("HEALTH [%s]: Got invalid unique id. Ignoring it.", rrdhost_hostname(host)); + errored++; + continue; + } + + uint32_t alarm_id = (uint32_t) sqlite3_column_int64(res, 2); + if(!alarm_id) { + error_report("HEALTH [%s]: Got invalid alarm id. Ignoring it.", rrdhost_hostname(host)); + errored++; + continue; + } + + //need name, chart and family + if (sqlite3_column_type(res, 13) == SQLITE_NULL) { + error_report("HEALTH [%s]: Got null name field. Ignoring it.", rrdhost_hostname(host)); + errored++; + continue; + } + + if (sqlite3_column_type(res, 14) == SQLITE_NULL) { + error_report("HEALTH [%s]: Got null chart field. Ignoring it.", rrdhost_hostname(host)); + errored++; + continue; + } + + if (sqlite3_column_type(res, 15) == SQLITE_NULL) { + error_report("HEALTH [%s]: Got null family field. Ignoring it.", rrdhost_hostname(host)); + errored++; + continue; + } + + // Check if we got last_repeat field + time_t last_repeat = 0; + last_repeat = (time_t)sqlite3_column_int64(res, 27); + + rc = dictionary_get(all_rrdcalcs, (char *) sqlite3_column_text(res, 14)); + if(unlikely(rc)) { + if (rrdcalc_isrepeating(rc)) { + rc->last_repeat = last_repeat; + // We iterate through repeating alarm entries only to + // find the latest last_repeat timestamp. Otherwise, + // there is no need to keep them in memory. + continue; + } + } + + ae = callocz(1, sizeof(ALARM_ENTRY)); + + ae->unique_id = unique_id; + ae->alarm_id = alarm_id; + + if (sqlite3_column_type(res, 4) != SQLITE_NULL) + uuid_copy(ae->config_hash_id, *((uuid_t *) sqlite3_column_blob(res, 4))); + + ae->alarm_event_id = (uint32_t) sqlite3_column_int64(res, 3); + ae->updated_by_id = (uint32_t) sqlite3_column_int64(res, 5); + ae->updates_id = (uint32_t) sqlite3_column_int64(res, 6); + + ae->when = (time_t) sqlite3_column_int64(res, 7); + ae->duration = (time_t) sqlite3_column_int64(res, 8); + ae->non_clear_duration = (time_t) sqlite3_column_int64(res, 9); + + ae->flags = (uint32_t) sqlite3_column_int64(res, 10); + ae->flags |= HEALTH_ENTRY_FLAG_SAVED; + + ae->exec_run_timestamp = (time_t) sqlite3_column_int64(res, 11); + ae->delay_up_to_timestamp = (time_t) sqlite3_column_int64(res, 12); + + ae->name = string_strdupz((char *) sqlite3_column_text(res, 13)); + ae->chart = string_strdupz((char *) sqlite3_column_text(res, 14)); + ae->family = string_strdupz((char *) sqlite3_column_text(res, 15)); + + if (sqlite3_column_type(res, 16) != SQLITE_NULL) + ae->exec = string_strdupz((char *) sqlite3_column_text(res, 16)); + else + ae->exec = NULL; + + if (sqlite3_column_type(res, 17) != SQLITE_NULL) + ae->recipient = string_strdupz((char *) sqlite3_column_text(res, 17)); + else + ae->recipient = NULL; + + if (sqlite3_column_type(res, 18) != SQLITE_NULL) + ae->source = string_strdupz((char *) sqlite3_column_text(res, 18)); + else + ae->source = NULL; + + if (sqlite3_column_type(res, 19) != SQLITE_NULL) + ae->units = string_strdupz((char *) sqlite3_column_text(res, 19)); + else + ae->units = NULL; + + if (sqlite3_column_type(res, 20) != SQLITE_NULL) + ae->info = string_strdupz((char *) sqlite3_column_text(res, 20)); + else + ae->info = NULL; + + ae->exec_code = (int) sqlite3_column_int(res, 21); + ae->new_status = (RRDCALC_STATUS) sqlite3_column_int(res, 22); + ae->old_status = (RRDCALC_STATUS)sqlite3_column_int(res, 23); + ae->delay = (int) sqlite3_column_int(res, 24); + + ae->new_value = (NETDATA_DOUBLE) sqlite3_column_double(res, 25); + ae->old_value = (NETDATA_DOUBLE) sqlite3_column_double(res, 26); + + ae->last_repeat = last_repeat; + + if (sqlite3_column_type(res, 28) != SQLITE_NULL) + ae->classification = string_strdupz((char *) sqlite3_column_text(res, 28)); + else + ae->classification = NULL; + + if (sqlite3_column_type(res, 29) != SQLITE_NULL) + ae->component = string_strdupz((char *) sqlite3_column_text(res, 29)); + else + ae->component = NULL; + + if (sqlite3_column_type(res, 30) != SQLITE_NULL) + ae->type = string_strdupz((char *) sqlite3_column_text(res, 30)); + else + ae->type = NULL; + + if (sqlite3_column_type(res, 31) != SQLITE_NULL) + ae->chart_context = string_strdupz((char *) sqlite3_column_text(res, 31)); + else + ae->chart_context = NULL; + + char value_string[100 + 1]; + string_freez(ae->old_value_string); + string_freez(ae->new_value_string); + ae->old_value_string = string_strdupz(format_value_and_unit(value_string, 100, ae->old_value, ae_units(ae), -1)); + ae->new_value_string = string_strdupz(format_value_and_unit(value_string, 100, ae->new_value, ae_units(ae), -1)); + + ae->next = host->health_log.alarms; + host->health_log.alarms = ae; + + if(unlikely(ae->unique_id > host->health_max_unique_id)) + host->health_max_unique_id = ae->unique_id; + + if(unlikely(ae->alarm_id >= host->health_max_alarm_id)) + host->health_max_alarm_id = ae->alarm_id; + + loaded++; + } + + netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock); + + dictionary_destroy(all_rrdcalcs); + all_rrdcalcs = NULL; + + if(!host->health_max_unique_id) host->health_max_unique_id = (uint32_t)now_realtime_sec(); + if(!host->health_max_alarm_id) host->health_max_alarm_id = (uint32_t)now_realtime_sec(); + + host->health_log.next_log_id = host->health_max_unique_id + 1; + if (unlikely(!host->health_log.next_alarm_id || host->health_log.next_alarm_id <= host->health_max_alarm_id)) + host->health_log.next_alarm_id = host->health_max_alarm_id + 1; + + log_health("[%s]: Table health_log_%s, loaded %zd alarm entries, errors in %zd entries.", rrdhost_hostname(host), uuid_str, loaded, errored); + + ret = sqlite3_finalize(res); + if (unlikely(ret != SQLITE_OK)) + error_report("Failed to finalize the health log read statement"); + + sql_health_alarm_log_count(host); +} + +/* + * Store an alert config hash in the database + */ +#define SQL_STORE_ALERT_CONFIG_HASH "insert or replace into alert_hash (hash_id, date_updated, alarm, template, " \ + "on_key, class, component, type, os, hosts, lookup, every, units, calc, families, plugin, module, " \ + "charts, green, red, warn, crit, exec, to_key, info, delay, options, repeat, 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) values (?1,unixepoch(),?2,?3,?4,?5,?6,?7,?8,?9,?10,?11,?12," \ + "?13,?14,?15,?16,?17,?18,?19,?20,?21,?22,?23,?24,?25,?26,?27,?28,?29,?30,?31,?32,?33,?34);" + +int sql_store_alert_config_hash(uuid_t *hash_id, struct alert_config *cfg) +{ + static __thread sqlite3_stmt *res = NULL; + int rc, param = 0; + + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode != RRD_MEMORY_MODE_DBENGINE) + return 0; + error_report("Database has not been initialized"); + return 1; + } + + if (unlikely(!res)) { + rc = prepare_statement(db_meta, SQL_STORE_ALERT_CONFIG_HASH, &res); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to store alert configuration, rc = %d", rc); + return 1; + } + } + + param++; + rc = sqlite3_bind_blob(res, param, hash_id, sizeof(*hash_id), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->alarm, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->template_key, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->on, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->classification, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->component, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->type, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->os, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->host, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->lookup, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->every, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->units, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->calc, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->families, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->plugin, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->module, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->charts, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->green, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->red, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->warn, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->crit, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->exec, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->to, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->info, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->delay, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->options, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->repeat, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->host_labels, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + if (cfg->p_db_lookup_after) { + param++; + rc = sqlite3_bind_string_or_null(res, cfg->p_db_lookup_dimensions, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_string_or_null(res, cfg->p_db_lookup_method, param); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 31, cfg->p_db_lookup_options); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 32, cfg->p_db_lookup_after); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 33, cfg->p_db_lookup_before); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + } else { + param++; + rc = sqlite3_bind_null(res, 29); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + param++; + rc = sqlite3_bind_null(res, 30); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + param++; + rc = sqlite3_bind_null(res, 31); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + param++; + rc = sqlite3_bind_null(res, 32); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + param++; + rc = sqlite3_bind_null(res, 33); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + } + + param++; + rc = sqlite3_bind_int(res, 34, cfg->p_update_every); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) + error_report("Failed to store alert config, rc = %d", rc); + + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement in alert hash_id store function, rc = %d", rc); + + return 0; + + bind_fail: + error_report("Failed to bind parameter %d to store alert hash_id, rc = %d", param, rc); + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement in alert hash_id store function, rc = %d", rc); + return 1; +} + +/* + alert hashes are used for cloud communication. + if cloud is disabled or openssl is not available (which will prevent cloud connectivity) + skip hash calculations +*/ +#if !defined DISABLE_CLOUD && defined ENABLE_HTTPS +#define DIGEST_ALERT_CONFIG_VAL(v) ((v) ? EVP_DigestUpdate(evpctx, (string2str(v)), string_strlen((v))) : EVP_DigestUpdate(evpctx, "", 1)) +#endif +int alert_hash_and_store_config( + uuid_t hash_id, + struct alert_config *cfg, + int store_hash) +{ +#if !defined DISABLE_CLOUD && defined ENABLE_HTTPS + EVP_MD_CTX *evpctx; + unsigned char hash_value[EVP_MAX_MD_SIZE]; + unsigned int hash_len; + evpctx = EVP_MD_CTX_create(); + EVP_DigestInit_ex(evpctx, EVP_sha256(), NULL); + + DIGEST_ALERT_CONFIG_VAL(cfg->alarm); + DIGEST_ALERT_CONFIG_VAL(cfg->template_key); + DIGEST_ALERT_CONFIG_VAL(cfg->os); + DIGEST_ALERT_CONFIG_VAL(cfg->host); + DIGEST_ALERT_CONFIG_VAL(cfg->on); + DIGEST_ALERT_CONFIG_VAL(cfg->families); + DIGEST_ALERT_CONFIG_VAL(cfg->plugin); + DIGEST_ALERT_CONFIG_VAL(cfg->module); + DIGEST_ALERT_CONFIG_VAL(cfg->charts); + DIGEST_ALERT_CONFIG_VAL(cfg->lookup); + DIGEST_ALERT_CONFIG_VAL(cfg->calc); + DIGEST_ALERT_CONFIG_VAL(cfg->every); + DIGEST_ALERT_CONFIG_VAL(cfg->green); + DIGEST_ALERT_CONFIG_VAL(cfg->red); + DIGEST_ALERT_CONFIG_VAL(cfg->warn); + DIGEST_ALERT_CONFIG_VAL(cfg->crit); + DIGEST_ALERT_CONFIG_VAL(cfg->exec); + DIGEST_ALERT_CONFIG_VAL(cfg->to); + DIGEST_ALERT_CONFIG_VAL(cfg->units); + DIGEST_ALERT_CONFIG_VAL(cfg->info); + DIGEST_ALERT_CONFIG_VAL(cfg->classification); + DIGEST_ALERT_CONFIG_VAL(cfg->component); + DIGEST_ALERT_CONFIG_VAL(cfg->type); + DIGEST_ALERT_CONFIG_VAL(cfg->delay); + DIGEST_ALERT_CONFIG_VAL(cfg->options); + DIGEST_ALERT_CONFIG_VAL(cfg->repeat); + DIGEST_ALERT_CONFIG_VAL(cfg->host_labels); + + EVP_DigestFinal_ex(evpctx, hash_value, &hash_len); + EVP_MD_CTX_destroy(evpctx); + fatal_assert(hash_len > sizeof(uuid_t)); + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower(*((uuid_t *)&hash_value), uuid_str); + uuid_copy(hash_id, *((uuid_t *)&hash_value)); + + /* store everything, so it can be recreated when not in memory or just a subset ? */ + if (store_hash) + (void)sql_store_alert_config_hash( (uuid_t *)&hash_value, cfg); +#else + UNUSED(hash_id); + UNUSED(cfg); + UNUSED(store_hash); +#endif + + return 1; +} |