diff options
Diffstat (limited to 'database/sqlite/sqlite_functions.c')
| -rw-r--r-- | database/sqlite/sqlite_functions.c | 1022 |
1 files changed, 1022 insertions, 0 deletions
diff --git a/database/sqlite/sqlite_functions.c b/database/sqlite/sqlite_functions.c new file mode 100644 index 0000000..ab6c59c --- /dev/null +++ b/database/sqlite/sqlite_functions.c @@ -0,0 +1,1022 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "sqlite_functions.h" + +const char *database_config[] = { + "PRAGMA auto_vacuum=incremental; PRAGMA synchronous=1 ; PRAGMA journal_mode=WAL; PRAGMA temp_store=MEMORY;", + "PRAGMA journal_size_limit=16777216;", + "CREATE TABLE IF NOT EXISTS host(host_id blob PRIMARY KEY, hostname text, " + "registry_hostname text, update_every int, os text, timezone text, tags text);", + "CREATE TABLE IF NOT EXISTS chart(chart_id blob PRIMARY KEY, host_id blob, type text, id text, name text, " + "family text, context text, title text, unit text, plugin text, module text, priority int, update_every int, " + "chart_type int, memory_mode int, history_entries);", + "CREATE TABLE IF NOT EXISTS dimension(dim_id blob PRIMARY KEY, chart_id blob, id text, name text, " + "multiplier int, divisor int , algorithm int, options text);", + "CREATE TABLE IF NOT EXISTS chart_active(chart_id blob PRIMARY KEY, date_created int);", + "CREATE TABLE IF NOT EXISTS dimension_active(dim_id blob primary key, date_created int);", + "CREATE TABLE IF NOT EXISTS metadata_migration(filename text, file_size, date_created int);", + "CREATE INDEX IF NOT EXISTS ind_d1 on dimension (chart_id, id, name);", + "CREATE INDEX IF NOT EXISTS ind_c1 on chart (host_id, id, type, name);", + + "delete from chart_active;", + "delete from dimension_active;", + + "delete from chart where chart_id not in (select chart_id from dimension);", + "delete from host where host_id not in (select host_id from chart);", + NULL +}; + +sqlite3 *db_meta = NULL; + +static uv_mutex_t sqlite_transaction_lock; + +static int execute_insert(sqlite3_stmt *res) +{ + int rc; + + while ((rc = sqlite3_step(res)) != SQLITE_DONE && unlikely(netdata_exit)) { + if (likely(rc == SQLITE_BUSY || rc == SQLITE_LOCKED)) + usleep(SQLITE_INSERT_DELAY * USEC_PER_MS); + else { + error_report("SQLite error %d", rc); + break; + } + } + + return rc; +} + +/* + * Store a chart or dimension UUID in chart_active or dimension_active + * The statement that will be prepared determines that + */ + +static int store_active_uuid_object(sqlite3_stmt **res, char *statement, uuid_t *uuid) +{ + int rc; + + // Check if we should need to prepare the statement + if (!*res) { + rc = sqlite3_prepare_v2(db_meta, statement, -1, res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to store active object, rc = %d", rc); + return rc; + } + } + + rc = sqlite3_bind_blob(*res, 1, uuid, sizeof(*uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to bind input parameter to store active object, rc = %d", rc); + else + rc = execute_insert(*res); + return rc; +} + +/* + * Marks a chart with UUID as active + * Input: UUID + */ +void store_active_chart(uuid_t *chart_uuid) +{ + sqlite3_stmt *res = NULL; + int rc; + + if (unlikely(!db_meta)) { + error_report("Database has not been initialized"); + return; + } + + if (unlikely(!chart_uuid)) + return; + + rc = store_active_uuid_object(&res, SQL_STORE_ACTIVE_CHART, chart_uuid); + if (rc != SQLITE_DONE) + error_report("Failed to store active chart, rc = %d", rc); + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize statement in store active chart, rc = %d", rc); + return; +} + +/* + * Marks a dimension with UUID as active + * Input: UUID + */ +void store_active_dimension(uuid_t *dimension_uuid) +{ + sqlite3_stmt *res = NULL; + int rc; + + if (unlikely(!db_meta)) { + error_report("Database has not been initialized"); + return; + } + + if (unlikely(!dimension_uuid)) + return; + + rc = store_active_uuid_object(&res, SQL_STORE_ACTIVE_DIMENSION, dimension_uuid); + if (rc != SQLITE_DONE) + error_report("Failed to store active dimension, rc = %d", rc); + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize statement in store active dimension, rc = %d", rc); + return; +} + +/* + * Initialize the SQLite database + * Return 0 on success + */ +int sql_init_database(void) +{ + char *err_msg = NULL; + char sqlite_database[FILENAME_MAX + 1]; + int rc; + + fatal_assert(0 == uv_mutex_init(&sqlite_transaction_lock)); + + snprintfz(sqlite_database, FILENAME_MAX, "%s/netdata-meta.db", netdata_configured_cache_dir); + rc = sqlite3_open(sqlite_database, &db_meta); + if (rc != SQLITE_OK) { + error_report("Failed to initialize database at %s", sqlite_database); + return 1; + } + + info("SQLite database %s initialization", sqlite_database); + + for (int i = 0; database_config[i]; i++) { + debug(D_METADATALOG, "Executing %s", database_config[i]); + rc = sqlite3_exec(db_meta, database_config[i], 0, 0, &err_msg); + if (rc != SQLITE_OK) { + error_report("SQLite error during database setup, rc = %d (%s)", rc, err_msg); + error_report("SQLite failed statement %s", database_config[i]); + sqlite3_free(err_msg); + return 1; + } + } + info("SQLite database initialization completed"); + return 0; +} + +/* + * Close the sqlite database + */ + +void sql_close_database(void) +{ + int rc; + if (unlikely(!db_meta)) + return; + + info("Closing SQLite database"); + rc = sqlite3_close(db_meta); + if (unlikely(rc != SQLITE_OK)) + error_report("Error %d while closing the SQLite database", rc); + return; +} + +#define FIND_UUID_TYPE "select 1 from host where host_id = @uuid union select 2 from chart where chart_id = @uuid union select 3 from dimension where dim_id = @uuid;" + +int find_uuid_type(uuid_t *uuid) +{ + static __thread sqlite3_stmt *res = NULL; + int rc; + int uuid_type = 3; + + if (unlikely(!res)) { + rc = sqlite3_prepare_v2(db_meta, FIND_UUID_TYPE, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to bind prepare statement to find UUID type in the database"); + return 0; + } + } + + rc = sqlite3_bind_blob(res, 1, uuid, sizeof(*uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_step(res); + if (likely(rc == SQLITE_ROW)) + uuid_type = sqlite3_column_int(res, 0); + + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement during find uuid type, rc = %d", rc); + + return uuid_type; + +bind_fail: + return 0; +} + +uuid_t *find_dimension_uuid(RRDSET *st, RRDDIM *rd) +{ + static __thread sqlite3_stmt *res = NULL; + uuid_t *uuid = NULL; + int rc; + + if (unlikely(!res)) { + rc = sqlite3_prepare_v2(db_meta, SQL_FIND_DIMENSION_UUID, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to bind prepare statement to lookup dimension UUID in the database"); + return NULL; + } + } + + rc = sqlite3_bind_blob(res, 1, st->chart_uuid, sizeof(*st->chart_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 2, rd->id, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 3, rd->name, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_step(res); + if (likely(rc == SQLITE_ROW)) { + uuid = mallocz(sizeof(uuid_t)); + uuid_copy(*uuid, sqlite3_column_blob(res, 0)); + } + + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement find dimension uuid, rc = %d", rc); + +#ifdef NETDATA_INTERNAL_CHECKS + char uuid_str[GUID_LEN + 1]; + if (likely(uuid)) { + uuid_unparse_lower(*uuid, uuid_str); + debug(D_METADATALOG, "Found UUID %s for dimension %s", uuid_str, rd->name); + } + else + debug(D_METADATALOG, "UUID not found for dimension %s", rd->name); +#endif + return uuid; + +bind_fail: + error_report("Failed to bind input parameter to perform dimension UUID database lookup, rc = %d", rc); + return NULL; +} + +uuid_t *create_dimension_uuid(RRDSET *st, RRDDIM *rd) +{ + uuid_t *uuid = NULL; + int rc; + + uuid = mallocz(sizeof(uuid_t)); + uuid_generate(*uuid); + +#ifdef NETDATA_INTERNAL_CHECKS + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower(*uuid, uuid_str); + debug(D_METADATALOG,"Generating uuid [%s] for dimension %s under chart %s", uuid_str, rd->name, st->id); +#endif + + rc = sql_store_dimension(uuid, st->chart_uuid, rd->id, rd->name, rd->multiplier, rd->divisor, rd->algorithm); + if (unlikely(rc)) + error_report("Failed to store dimension metadata in the database"); + + return uuid; +} + +#define DELETE_DIMENSION_UUID "delete from dimension where dim_id = @uuid;" + +void delete_dimension_uuid(uuid_t *dimension_uuid) +{ + static __thread sqlite3_stmt *res = NULL; + int rc; + +#ifdef NETDATA_INTERNAL_CHECKS + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower(*dimension_uuid, uuid_str); + debug(D_METADATALOG,"Deleting dimension uuid %s", uuid_str); +#endif + + if (unlikely(!res)) { + rc = sqlite3_prepare_v2(db_meta, DELETE_DIMENSION_UUID, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement to delete a dimension uuid"); + return; + } + } + + rc = sqlite3_bind_blob(res, 1, dimension_uuid, sizeof(*dimension_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_step(res); + if (unlikely(rc != SQLITE_DONE)) + error_report("Failed to delete dimension uuid, rc = %d", rc); + +bind_fail: + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement when deleting dimension UUID, rc = %d", rc); + return; +} + +/* + * Do a database lookup to find the UUID of a chart + * + */ +uuid_t *find_chart_uuid(RRDHOST *host, const char *type, const char *id, const char *name) +{ + static __thread sqlite3_stmt *res = NULL; + uuid_t *uuid = NULL; + int rc; + + if (unlikely(!res)) { + rc = sqlite3_prepare_v2(db_meta, SQL_FIND_CHART_UUID, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement to lookup chart UUID in the database"); + return NULL; + } + } + + rc = sqlite3_bind_blob(res, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 2, type, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 3, id, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 4, name ? name : id, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_step(res); + if (likely(rc == SQLITE_ROW)) { + uuid = mallocz(sizeof(uuid_t)); + uuid_copy(*uuid, sqlite3_column_blob(res, 0)); + } + + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement when searching for a chart UUID, rc = %d", rc); + +#ifdef NETDATA_INTERNAL_CHECKS + char uuid_str[GUID_LEN + 1]; + if (likely(uuid)) { + uuid_unparse_lower(*uuid, uuid_str); + debug(D_METADATALOG, "Found UUID %s for chart %s.%s", uuid_str, type, name ? name : id); + } + else + debug(D_METADATALOG, "UUID not found for chart %s.%s", type, name ? name : id); +#endif + return uuid; + +bind_fail: + error_report("Failed to bind input parameter to perform chart UUID database lookup, rc = %d", rc); + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement when searching for a chart UUID, rc = %d", rc); + return NULL; +} + +int update_chart_metadata(uuid_t *chart_uuid, RRDSET *st, const char *id, const char *name) +{ + int rc; + + rc = sql_store_chart( + chart_uuid, &st->rrdhost->host_uuid, st->type, id, name, st->family, st->context, st->title, st->units, st->plugin_name, + st->module_name, st->priority, st->update_every, st->chart_type, st->rrd_memory_mode, st->entries); + + return rc; +} + +uuid_t *create_chart_uuid(RRDSET *st, const char *id, const char *name) +{ + uuid_t *uuid = NULL; + int rc; + + uuid = mallocz(sizeof(uuid_t)); + uuid_generate(*uuid); + +#ifdef NETDATA_INTERNAL_CHECKS + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower(*uuid, uuid_str); + debug(D_METADATALOG,"Generating uuid [%s] for chart %s under host %s", uuid_str, st->id, st->rrdhost->hostname); +#endif + + rc = update_chart_metadata(uuid, st, id, name); + + if (unlikely(rc)) + error_report("Failed to store chart metadata in the database"); + + return uuid; +} + +// Functions to create host, chart, dimension in the database + +int sql_store_host( + uuid_t *host_uuid, const char *hostname, const char *registry_hostname, int update_every, const char *os, + const char *tzone, const char *tags) +{ + static __thread sqlite3_stmt *res = NULL; + int rc; + + if (unlikely(!db_meta)) { + error_report("Database has not been initialized"); + return 1; + } + + if (unlikely((!res))) { + rc = sqlite3_prepare_v2(db_meta, SQL_STORE_HOST, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to store host, rc = %d", rc); + return 1; + } + } + + rc = sqlite3_bind_blob(res, 1, host_uuid, sizeof(*host_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 2, hostname, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 3, registry_hostname, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_int(res, 4, update_every); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 5, os, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 6, tzone, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 7, tags, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + int store_rc = sqlite3_step(res); + if (unlikely(store_rc != SQLITE_DONE)) + error_report("Failed to store host %s, rc = %d", hostname, rc); + + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement to store host %s, rc = %d", hostname, rc); + + return !(store_rc == SQLITE_DONE); +bind_fail: + error_report("Failed to bind parameter to store host %s, rc = %d", hostname, rc); + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement to store host %s, rc = %d", hostname, rc); + return 1; +} + +/* + * Store a chart in the database + */ + +int sql_store_chart( + uuid_t *chart_uuid, uuid_t *host_uuid, const char *type, const char *id, const char *name, const char *family, + const char *context, const char *title, const char *units, const char *plugin, const char *module, long priority, + int update_every, int chart_type, int memory_mode, long history_entries) +{ + static __thread sqlite3_stmt *res; + int rc, param = 0; + + if (unlikely(!db_meta)) { + error_report("Database has not been initialized"); + return 1; + } + + if (unlikely(!res)) { + rc = sqlite3_prepare_v2(db_meta, SQL_STORE_CHART, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to store chart, rc = %d", rc); + return 1; + } + } + + param++; + rc = sqlite3_bind_blob(res, 1, chart_uuid, sizeof(*chart_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_blob(res, 2, host_uuid, sizeof(*host_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_text(res, 3, type, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_text(res, 4, id, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + if (name) { + rc = sqlite3_bind_text(res, 5, name, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + } + + param++; + rc = sqlite3_bind_text(res, 6, family, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_text(res, 7, context, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_text(res, 8, title, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_text(res, 9, units, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_text(res, 10, plugin, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_text(res, 11, module, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 12, priority); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 13, update_every); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 14, chart_type); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 15, memory_mode); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + param++; + rc = sqlite3_bind_int(res, 16, history_entries); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) + error_report("Failed to store chart, rc = %d", rc); + + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement in chart store function, rc = %d", rc); + + return 0; + +bind_fail: + error_report("Failed to bind parameter %d to store chart, rc = %d", param, rc); + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement in chart store function, rc = %d", rc); + return 1; +} + +/* + * Store a dimension + */ +int sql_store_dimension( + uuid_t *dim_uuid, uuid_t *chart_uuid, const char *id, const char *name, collected_number multiplier, + collected_number divisor, int algorithm) +{ + static __thread sqlite3_stmt *res = NULL; + int rc; + + if (unlikely(!db_meta)) { + error_report("Database has not been initialized"); + return 1; + } + + if (unlikely(!res)) { + rc = sqlite3_prepare_v2(db_meta, SQL_STORE_DIMENSION, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to store dimension, rc = %d", rc); + return 1; + } + } + + rc = sqlite3_bind_blob(res, 1, dim_uuid, sizeof(*dim_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_blob(res, 2, chart_uuid, sizeof(*chart_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 3, id, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_text(res, 4, name, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_int(res, 5, multiplier); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_int(res, 6, divisor); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = sqlite3_bind_int(res, 7, algorithm); + if (unlikely(rc != SQLITE_OK)) + goto bind_fail; + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) + error_report("Failed to store dimension, rc = %d", rc); + + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement in store dimension, rc = %d", rc); + return 0; + +bind_fail: + error_report("Failed to bind parameter to store dimension, rc = %d", rc); + rc = sqlite3_reset(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset statement in store dimension, rc = %d", rc); + return 1; +} + + +// +// Support for archived charts +// +#define SELECT_DIMENSION "select d.id, d.name from dimension d where d.chart_id = @chart_uuid;" + +void sql_rrdim2json(sqlite3_stmt *res_dim, uuid_t *chart_uuid, BUFFER *wb, size_t *dimensions_count) +{ + int rc; + + rc = sqlite3_bind_blob(res_dim, 1, chart_uuid, sizeof(*chart_uuid), SQLITE_STATIC); + if (rc != SQLITE_OK) + return; + + int dimensions = 0; + buffer_sprintf(wb, "\t\t\t\"dimensions\": {\n"); + + while (sqlite3_step(res_dim) == SQLITE_ROW) { + if (dimensions) + buffer_strcat(wb, ",\n\t\t\t\t\""); + else + buffer_strcat(wb, "\t\t\t\t\""); + buffer_strcat_jsonescape(wb, (const char *) sqlite3_column_text(res_dim, 0)); + buffer_strcat(wb, "\": { \"name\": \""); + buffer_strcat_jsonescape(wb, (const char *) sqlite3_column_text(res_dim, 1)); + buffer_strcat(wb, "\" }"); + dimensions++; + } + *dimensions_count += dimensions; + buffer_sprintf(wb, "\n\t\t\t}"); +} + +#define SELECT_CHART "select chart_id, id, name, type, family, context, title, priority, plugin, " \ + "module, unit, chart_type, update_every from chart " \ + "where host_id = @host_uuid and chart_id not in (select chart_id from chart_active) order by chart_id asc;" + +void sql_rrdset2json(RRDHOST *host, BUFFER *wb) +{ + // time_t first_entry_t = 0; //= rrdset_first_entry_t(st); + // time_t last_entry_t = 0; //rrdset_last_entry_t(st); + static char *custom_dashboard_info_js_filename = NULL; + int rc; + + sqlite3_stmt *res_chart = NULL; + sqlite3_stmt *res_dim = NULL; + time_t now = now_realtime_sec(); + + rc = sqlite3_prepare_v2(db_meta, SELECT_CHART, -1, &res_chart, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to fetch host archived charts"); + return; + } + + rc = sqlite3_bind_blob(res_chart, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind host parameter to fetch archived charts"); + return; + } + + rc = sqlite3_prepare_v2(db_meta, SELECT_DIMENSION, -1, &res_dim, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to fetch chart archived dimensions"); + goto failed; + }; + + if(unlikely(!custom_dashboard_info_js_filename)) + custom_dashboard_info_js_filename = config_get(CONFIG_SECTION_WEB, "custom dashboard_info.js", ""); + + buffer_sprintf(wb, "{\n" + "\t\"hostname\": \"%s\"" + ",\n\t\"version\": \"%s\"" + ",\n\t\"release_channel\": \"%s\"" + ",\n\t\"os\": \"%s\"" + ",\n\t\"timezone\": \"%s\"" + ",\n\t\"update_every\": %d" + ",\n\t\"history\": %ld" + ",\n\t\"memory_mode\": \"%s\"" + ",\n\t\"custom_info\": \"%s\"" + ",\n\t\"charts\": {" + , host->hostname + , host->program_version + , get_release_channel() + , host->os + , host->timezone + , host->rrd_update_every + , host->rrd_history_entries + , rrd_memory_mode_name(host->rrd_memory_mode) + , custom_dashboard_info_js_filename + ); + + size_t c = 0; + size_t dimensions = 0; + + while (sqlite3_step(res_chart) == SQLITE_ROW) { + char id[512]; + sprintf(id, "%s.%s", sqlite3_column_text(res_chart, 3), sqlite3_column_text(res_chart, 1)); + RRDSET *st = rrdset_find(host, id); + if (st && !rrdset_flag_check(st, RRDSET_FLAG_ARCHIVED)) + continue; + + if (c) + buffer_strcat(wb, ",\n\t\t\""); + else + buffer_strcat(wb, "\n\t\t\""); + c++; + + buffer_strcat(wb, id); + buffer_strcat(wb, "\": "); + + buffer_sprintf( + wb, + "\t\t{\n" + "\t\t\t\"id\": \"%s\",\n" + "\t\t\t\"name\": \"%s\",\n" + "\t\t\t\"type\": \"%s\",\n" + "\t\t\t\"family\": \"%s\",\n" + "\t\t\t\"context\": \"%s\",\n" + "\t\t\t\"title\": \"%s (%s)\",\n" + "\t\t\t\"priority\": %ld,\n" + "\t\t\t\"plugin\": \"%s\",\n" + "\t\t\t\"module\": \"%s\",\n" + "\t\t\t\"enabled\": %s,\n" + "\t\t\t\"units\": \"%s\",\n" + "\t\t\t\"data_url\": \"/api/v1/data?chart=%s\",\n" + "\t\t\t\"chart_type\": \"%s\",\n", + id //sqlite3_column_text(res_chart, 1) + , + id // sqlite3_column_text(res_chart, 2) + , + sqlite3_column_text(res_chart, 3), sqlite3_column_text(res_chart, 4), sqlite3_column_text(res_chart, 5), + sqlite3_column_text(res_chart, 6), id //sqlite3_column_text(res_chart, 2) + , + (long ) sqlite3_column_int(res_chart, 7), + (const char *) sqlite3_column_text(res_chart, 8) ? (const char *) sqlite3_column_text(res_chart, 8) : (char *) "", + (const char *) sqlite3_column_text(res_chart, 9) ? (const char *) sqlite3_column_text(res_chart, 9) : (char *) "", (char *) "false", + (const char *) sqlite3_column_text(res_chart, 10), id //sqlite3_column_text(res_chart, 2) + , + rrdset_type_name(sqlite3_column_int(res_chart, 11))); + + sql_rrdim2json(res_dim, (uuid_t *) sqlite3_column_blob(res_chart, 0), wb, &dimensions); + + rc = sqlite3_reset(res_dim); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to reset the prepared statement when reading archived chart dimensions"); + buffer_strcat(wb, "\n\t\t}"); + } + + buffer_sprintf(wb + , "\n\t}" + ",\n\t\"charts_count\": %zu" + ",\n\t\"dimensions_count\": %zu" + ",\n\t\"alarms_count\": %zu" + ",\n\t\"rrd_memory_bytes\": %zu" + ",\n\t\"hosts_count\": %zu" + ",\n\t\"hosts\": [" + , c + , dimensions + , (size_t) 0 + , (size_t) 0 + , rrd_hosts_available + ); + + if(unlikely(rrd_hosts_available > 1)) { + rrd_rdlock(); + + size_t found = 0; + RRDHOST *h; + rrdhost_foreach_read(h) { + if(!rrdhost_should_be_removed(h, host, now) && !rrdhost_flag_check(h, RRDHOST_FLAG_ARCHIVED)) { + buffer_sprintf(wb + , "%s\n\t\t{" + "\n\t\t\t\"hostname\": \"%s\"" + "\n\t\t}" + , (found > 0) ? "," : "" + , h->hostname + ); + + found++; + } + } + + rrd_unlock(); + } + else { + buffer_sprintf(wb + , "\n\t\t{" + "\n\t\t\t\"hostname\": \"%s\"" + "\n\t\t}" + , host->hostname + ); + } + + buffer_sprintf(wb, "\n\t]\n}\n"); + + rc = sqlite3_finalize(res_dim); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the prepared statement when reading archived chart dimensions"); + +failed: + rc = sqlite3_finalize(res_chart); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the prepared statement when reading archived charts"); + + return; +} + +#define SELECT_HOST "select host_id, registry_hostname, update_every, os, timezone, tags from host where hostname = @hostname;" + +RRDHOST *sql_create_host_by_uuid(char *hostname) +{ + int rc; + RRDHOST *host = NULL; + + sqlite3_stmt *res = NULL; + + rc = sqlite3_prepare_v2(db_meta, SELECT_HOST, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to fetch host"); + return NULL; + } + + rc = sqlite3_bind_text(res, 1, hostname, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind hostname parameter to fetch host information"); + return NULL; + } + + rc = sqlite3_step(res); + if (unlikely(rc != SQLITE_ROW)) { + error_report("Failed to find hostname %s", hostname); + goto failed; + } + + char uuid_str[GUID_LEN + 1]; + uuid_unparse_lower(*((uuid_t *) sqlite3_column_blob(res, 0)), uuid_str); + + host = callocz(1, sizeof(RRDHOST)); + + set_host_properties(host, sqlite3_column_int(res, 2), RRD_MEMORY_MODE_DBENGINE, hostname, + (char *) sqlite3_column_text(res, 1), (const char *) uuid_str, + (char *) sqlite3_column_text(res, 3), (char *) sqlite3_column_text(res, 5), + (char *) sqlite3_column_text(res, 4), NULL, NULL); + + uuid_copy(host->host_uuid, *((uuid_t *) sqlite3_column_blob(res, 0))); + + host->system_info = NULL; + +failed: + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the prepared statement when reading host information"); + + return host; +} + +void db_execute(char *cmd) +{ + int rc; + char *err_msg; + rc = sqlite3_exec(db_meta, cmd, 0, 0, &err_msg); + if (rc != SQLITE_OK) { + error_report("Failed to execute '%s', rc = %d (%s)", cmd, rc, err_msg); + sqlite3_free(err_msg); + } + + return; +} + +void db_lock(void) +{ + uv_mutex_lock(&sqlite_transaction_lock); + return; +} + +void db_unlock(void) +{ + uv_mutex_unlock(&sqlite_transaction_lock); + return; +} + + +#define SELECT_MIGRATED_FILE "select 1 from metadata_migration where filename = @path;" + +int file_is_migrated(char *path) +{ + sqlite3_stmt *res = NULL; + int rc; + + rc = sqlite3_prepare_v2(db_meta, SELECT_MIGRATED_FILE, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to fetch host"); + return 0; + } + + rc = sqlite3_bind_text(res, 1, path, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind filename parameter to check migration"); + return 0; + } + + rc = sqlite3_step(res); + + if (unlikely(sqlite3_finalize(res) != SQLITE_OK)) + error_report("Failed to finalize the prepared statement when checking if metadata file is migrated"); + + return (rc == SQLITE_ROW); +} + +#define STORE_MIGRATED_FILE "insert or replace into metadata_migration (filename, file_size, date_created) " \ + "values (@file, @size, strftime('%s'));" + +void add_migrated_file(char *path, uint64_t file_size) +{ + sqlite3_stmt *res = NULL; + int rc; + + rc = sqlite3_prepare_v2(db_meta, STORE_MIGRATED_FILE, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to fetch host"); + return; + } + + rc = sqlite3_bind_text(res, 1, path, -1, SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind filename parameter to store migration information"); + return; + } + + rc = sqlite3_bind_int64(res, 2, file_size); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind size parameter to store migration information"); + return; + } + + rc = execute_insert(res); + if (unlikely(rc != SQLITE_DONE)) + error_report("Failed to store migrated file, rc = %d", rc); + + if (unlikely(sqlite3_finalize(res) != SQLITE_OK)) + error_report("Failed to finalize the prepared statement when checking if metadata file is migrated"); + + return; +} |