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376 lines
13 KiB
C
376 lines
13 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "sqlite_db_migration.h"
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static int return_int_cb(void *data, int argc, char **argv, char **column)
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{
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int *status = data;
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UNUSED(argc);
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UNUSED(column);
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*status = str2uint32_t(argv[0], NULL);
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return 0;
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}
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int table_exists_in_database(const char *table)
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{
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char *err_msg = NULL;
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char sql[128];
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int exists = 0;
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snprintf(sql, 127, "select 1 from sqlite_schema where type = 'table' and name = '%s';", table);
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int rc = sqlite3_exec_monitored(db_meta, sql, return_int_cb, (void *) &exists, &err_msg);
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if (rc != SQLITE_OK) {
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netdata_log_info("Error checking table existence; %s", err_msg);
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sqlite3_free(err_msg);
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}
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return exists;
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}
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static int column_exists_in_table(const char *table, const char *column)
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{
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char *err_msg = NULL;
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char sql[128];
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int exists = 0;
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snprintf(sql, 127, "SELECT 1 FROM pragma_table_info('%s') where name = '%s';", table, column);
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int rc = sqlite3_exec_monitored(db_meta, sql, return_int_cb, (void *) &exists, &err_msg);
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if (rc != SQLITE_OK) {
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netdata_log_info("Error checking column existence; %s", err_msg);
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sqlite3_free(err_msg);
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}
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return exists;
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}
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const char *database_migrate_v1_v2[] = {
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"ALTER TABLE host ADD hops INTEGER NOT NULL DEFAULT 0;",
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NULL
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};
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const char *database_migrate_v2_v3[] = {
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"ALTER TABLE host ADD memory_mode INT NOT NULL DEFAULT 0;",
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"ALTER TABLE host ADD abbrev_timezone TEXT NOT NULL DEFAULT '';",
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"ALTER TABLE host ADD utc_offset INT NOT NULL DEFAULT 0;",
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"ALTER TABLE host ADD program_name TEXT NOT NULL DEFAULT 'unknown';",
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"ALTER TABLE host ADD program_version TEXT NOT NULL DEFAULT 'unknown';",
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"ALTER TABLE host ADD entries INT NOT NULL DEFAULT 0;",
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"ALTER TABLE host ADD health_enabled INT NOT NULL DEFAULT 0;",
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NULL
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};
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const char *database_migrate_v4_v5[] = {
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"DROP TABLE IF EXISTS chart_active;",
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"DROP TABLE IF EXISTS dimension_active;",
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"DROP TABLE IF EXISTS chart_hash;",
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"DROP TABLE IF EXISTS chart_hash_map;",
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"DROP VIEW IF EXISTS v_chart_hash;",
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NULL
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};
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const char *database_migrate_v5_v6[] = {
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"DROP TRIGGER IF EXISTS tr_dim_del;",
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"DROP TABLE IF EXISTS dimension_delete;",
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NULL
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};
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const char *database_migrate_v9_v10[] = {
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"ALTER TABLE alert_hash ADD chart_labels TEXT;",
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NULL
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};
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static int do_migration_v1_v2(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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if (table_exists_in_database("host") && !column_exists_in_table("host", "hops"))
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return init_database_batch(database, DB_CHECK_NONE, 0, &database_migrate_v1_v2[0]);
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return 0;
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}
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static int do_migration_v2_v3(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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if (table_exists_in_database("host") && !column_exists_in_table("host", "memory_mode"))
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return init_database_batch(database, DB_CHECK_NONE, 0, &database_migrate_v2_v3[0]);
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return 0;
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}
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static int do_migration_v3_v4(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running database migration %s", name);
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char sql[256];
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int rc;
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sqlite3_stmt *res = NULL;
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snprintfz(sql, 255, "SELECT name FROM sqlite_schema WHERE type ='table' AND name LIKE 'health_log_%%';");
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rc = sqlite3_prepare_v2(database, sql, -1, &res, 0);
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if (rc != SQLITE_OK) {
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error_report("Failed to prepare statement to alter health_log tables");
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return 1;
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}
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while (sqlite3_step_monitored(res) == SQLITE_ROW) {
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char *table = strdupz((char *) sqlite3_column_text(res, 0));
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if (!column_exists_in_table(table, "chart_context")) {
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snprintfz(sql, 255, "ALTER TABLE %s ADD chart_context text", table);
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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}
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freez(table);
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}
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rc = sqlite3_finalize(res);
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if (unlikely(rc != SQLITE_OK))
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error_report("Failed to finalize statement when altering health_log tables, rc = %d", rc);
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return 0;
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}
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static int do_migration_v4_v5(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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return init_database_batch(database, DB_CHECK_NONE, 0, &database_migrate_v4_v5[0]);
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}
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static int do_migration_v5_v6(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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return init_database_batch(database, DB_CHECK_NONE, 0, &database_migrate_v5_v6[0]);
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}
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static int do_migration_v6_v7(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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char sql[256];
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int rc;
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sqlite3_stmt *res = NULL;
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snprintfz(sql, 255, "SELECT name FROM sqlite_schema WHERE type ='table' AND name LIKE 'aclk_alert_%%';");
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rc = sqlite3_prepare_v2(database, sql, -1, &res, 0);
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if (rc != SQLITE_OK) {
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error_report("Failed to prepare statement to alter aclk_alert tables");
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return 1;
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}
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while (sqlite3_step_monitored(res) == SQLITE_ROW) {
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char *table = strdupz((char *) sqlite3_column_text(res, 0));
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if (!column_exists_in_table(table, "filtered_alert_unique_id")) {
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snprintfz(sql, 255, "ALTER TABLE %s ADD filtered_alert_unique_id", table);
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 255, "UPDATE %s SET filtered_alert_unique_id = alert_unique_id", table);
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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}
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freez(table);
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}
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rc = sqlite3_finalize(res);
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if (unlikely(rc != SQLITE_OK))
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error_report("Failed to finalize statement when altering aclk_alert tables, rc = %d", rc);
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return 0;
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}
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static int do_migration_v7_v8(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running database migration %s", name);
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char sql[256];
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int rc;
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sqlite3_stmt *res = NULL;
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snprintfz(sql, 255, "SELECT name FROM sqlite_schema WHERE type ='table' AND name LIKE 'health_log_%%';");
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rc = sqlite3_prepare_v2(database, sql, -1, &res, 0);
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if (rc != SQLITE_OK) {
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error_report("Failed to prepare statement to alter health_log tables");
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return 1;
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}
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while (sqlite3_step_monitored(res) == SQLITE_ROW) {
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char *table = strdupz((char *) sqlite3_column_text(res, 0));
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if (!column_exists_in_table(table, "transition_id")) {
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snprintfz(sql, 255, "ALTER TABLE %s ADD transition_id blob", table);
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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}
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freez(table);
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}
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rc = sqlite3_finalize(res);
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if (unlikely(rc != SQLITE_OK))
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error_report("Failed to finalize statement when altering health_log tables, rc = %d", rc);
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return 0;
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}
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static int do_migration_v8_v9(sqlite3 *database, const char *name)
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{
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netdata_log_info("Running database migration %s", name);
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char sql[2048];
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int rc;
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sqlite3_stmt *res = NULL;
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//create the health_log table and it's index
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snprintfz(sql, 2047, "CREATE TABLE IF NOT EXISTS health_log (health_log_id INTEGER PRIMARY KEY, host_id blob, alarm_id int, " \
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"config_hash_id blob, name text, chart text, family text, recipient text, units text, exec text, " \
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"chart_context text, last_transition_id blob, UNIQUE (host_id, alarm_id)) ;");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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//TODO indexes
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snprintfz(sql, 2047, "CREATE INDEX IF NOT EXISTS health_log_ind_1 ON health_log (host_id);");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "CREATE TABLE IF NOT EXISTS health_log_detail (health_log_id int, unique_id int, alarm_id int, alarm_event_id int, " \
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"updated_by_id int, updates_id int, when_key int, duration int, non_clear_duration int, " \
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"flags int, exec_run_timestamp int, delay_up_to_timestamp int, " \
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"info text, exec_code int, new_status real, old_status real, delay int, " \
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"new_value double, old_value double, last_repeat int, transition_id blob, global_id int, host_id blob);");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "CREATE INDEX IF NOT EXISTS health_log_d_ind_1 ON health_log_detail (unique_id);");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "CREATE INDEX IF NOT EXISTS health_log_d_ind_2 ON health_log_detail (global_id);");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "CREATE INDEX IF NOT EXISTS health_log_d_ind_3 ON health_log_detail (transition_id);");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "CREATE INDEX IF NOT EXISTS health_log_d_ind_4 ON health_log_detail (health_log_id);");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "ALTER TABLE alert_hash ADD source text;");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "CREATE INDEX IF NOT EXISTS alert_hash_index ON alert_hash (hash_id);");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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snprintfz(sql, 2047, "SELECT name FROM sqlite_schema WHERE type ='table' AND name LIKE 'health_log_%%' AND name <> 'health_log_detail';");
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rc = sqlite3_prepare_v2(database, sql, -1, &res, 0);
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if (rc != SQLITE_OK) {
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error_report("Failed to prepare statement to alter health_log tables");
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return 1;
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}
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DICTIONARY *dict_tables = dictionary_create(DICT_OPTION_NONE);
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while (sqlite3_step_monitored(res) == SQLITE_ROW) {
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char *table = strdupz((char *) sqlite3_column_text(res, 0));
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if (health_migrate_old_health_log_table(table)) {
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dictionary_set(dict_tables, table, NULL, 0);
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}
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freez(table);
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}
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rc = sqlite3_finalize(res);
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if (unlikely(rc != SQLITE_OK))
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error_report("Failed to finalize statement when copying health_log tables, rc = %d", rc);
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char *table = NULL;
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dfe_start_read(dict_tables, table) {
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sql_drop_table(table_dfe.name);
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}
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dfe_done(table);
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dictionary_destroy(dict_tables);
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snprintfz(sql, 2047, "ALTER TABLE health_log_detail DROP COLUMN host_id;");
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sqlite3_exec_monitored(database, sql, 0, 0, NULL);
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return 0;
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}
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static int do_migration_v9_v10(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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if (table_exists_in_database("alert_hash") && !column_exists_in_table("alert_hash", "chart_labels"))
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return init_database_batch(database, DB_CHECK_NONE, 0, &database_migrate_v9_v10[0]);
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return 0;
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}
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static int do_migration_noop(sqlite3 *database, const char *name)
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{
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UNUSED(database);
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UNUSED(name);
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netdata_log_info("Running database migration %s", name);
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return 0;
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}
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typedef struct database_func_migration_list {
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char *name;
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int (*func)(sqlite3 *database, const char *name);
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} DATABASE_FUNC_MIGRATION_LIST;
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static int migrate_database(sqlite3 *database, int target_version, char *db_name, DATABASE_FUNC_MIGRATION_LIST *migration_list)
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{
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int user_version = 0;
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char *err_msg = NULL;
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int rc = sqlite3_exec_monitored(database, "PRAGMA user_version;", return_int_cb, (void *) &user_version, &err_msg);
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if (rc != SQLITE_OK) {
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netdata_log_info("Error checking the %s database version; %s", db_name, err_msg);
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sqlite3_free(err_msg);
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}
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if (likely(user_version == target_version)) {
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netdata_log_info("%s database version is %d (no migration needed)", db_name, target_version);
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return target_version;
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}
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netdata_log_info("Database version is %d, current version is %d. Running migration for %s ...", user_version, target_version, db_name);
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for (int i = user_version; i < target_version && migration_list[i].func; i++) {
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rc = (migration_list[i].func)(database, migration_list[i].name);
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if (unlikely(rc)) {
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error_report("Database %s migration from version %d to version %d failed", db_name, i, i + 1);
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return i;
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}
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}
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return target_version;
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}
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DATABASE_FUNC_MIGRATION_LIST migration_action[] = {
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{.name = "v0 to v1", .func = do_migration_noop},
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{.name = "v1 to v2", .func = do_migration_v1_v2},
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{.name = "v2 to v3", .func = do_migration_v2_v3},
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{.name = "v3 to v4", .func = do_migration_v3_v4},
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{.name = "v4 to v5", .func = do_migration_v4_v5},
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{.name = "v5 to v6", .func = do_migration_v5_v6},
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{.name = "v6 to v7", .func = do_migration_v6_v7},
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{.name = "v7 to v8", .func = do_migration_v7_v8},
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{.name = "v8 to v9", .func = do_migration_v8_v9},
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{.name = "v9 to v10", .func = do_migration_v9_v10},
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// the terminator of this array
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{.name = NULL, .func = NULL}
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};
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DATABASE_FUNC_MIGRATION_LIST context_migration_action[] = {
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{.name = "v0 to v1", .func = do_migration_noop},
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// the terminator of this array
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{.name = NULL, .func = NULL}
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};
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int perform_database_migration(sqlite3 *database, int target_version)
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{
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return migrate_database(database, target_version, "metadata", migration_action);
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}
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int perform_context_database_migration(sqlite3 *database, int target_version)
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{
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return migrate_database(database, target_version, "context", context_migration_action);
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}
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