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127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/*-------------------------------------------------------------------------
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*
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* configure.c: - manage backup catalog.
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*
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* Portions Copyright (c) 2017-2017, Postgres Professional
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*
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*-------------------------------------------------------------------------
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*/
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#include "pg_probackup.h"
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/* Set configure options */
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int
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do_configure(bool show_only)
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{
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pgBackupConfig *config = readBackupCatalogConfigFile();
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if (pgdata)
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config->pgdata = pgdata;
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if (pgut_dbname)
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config->pgdatabase = pgut_dbname;
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if (host)
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config->pghost = host;
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if (port)
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config->pgport = port;
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if (username)
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config->pguser = username;
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if (retention_redundancy)
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config->retention_redundancy = retention_redundancy;
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if (retention_window)
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config->retention_window = retention_window;
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if (show_only)
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writeBackupCatalogConfig(stderr, config);
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else
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writeBackupCatalogConfigFile(config);
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return 0;
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}
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void
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pgBackupConfigInit(pgBackupConfig *config)
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{
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config->system_identifier = 0;
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config->pgdata = NULL;
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config->pgdatabase = NULL;
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config->pghost = NULL;
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config->pgport = NULL;
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config->pguser = NULL;
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config->retention_redundancy = 0;
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config->retention_window = 0;
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}
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void
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writeBackupCatalogConfig(FILE *out, pgBackupConfig *config)
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{
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fprintf(out, "#Backup instance info\n");
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fprintf(out, "PGDATA = %s\n", config->pgdata);
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fprintf(out, "system-identifier = %li\n", config->system_identifier);
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fprintf(out, "#Connection parameters:\n");
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if (config->pgdatabase)
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fprintf(out, "PGDATABASE = %s\n", config->pgdatabase);
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if (config->pghost)
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fprintf(out, "PGHOST = %s\n", config->pghost);
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if (config->pgport)
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fprintf(out, "PGPORT = %s\n", config->pgport);
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if (config->pguser)
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fprintf(out, "PGUSER = %s\n", config->pguser);
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fprintf(out, "#Retention parameters:\n");
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if (config->retention_redundancy)
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fprintf(out, "retention-redundancy = %u\n", config->retention_redundancy);
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if (config->retention_window)
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fprintf(out, "retention-window = %u\n", config->retention_window);
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}
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void
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writeBackupCatalogConfigFile(pgBackupConfig *config)
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{
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char path[MAXPGPATH];
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FILE *fp;
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join_path_components(path, backup_path, BACKUPS_DIR);
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join_path_components(path, backup_path, BACKUP_CATALOG_CONF_FILE);
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fp = fopen(path, "wt");
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if (fp == NULL)
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elog(ERROR, "cannot create %s: %s",
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BACKUP_CATALOG_CONF_FILE, strerror(errno));
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writeBackupCatalogConfig(fp, config);
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fclose(fp);
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}
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pgBackupConfig*
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readBackupCatalogConfigFile(void)
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{
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pgBackupConfig *config = pgut_new(pgBackupConfig);
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char path[MAXPGPATH];
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pgut_option options[] =
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{
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/* configure options */
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{ 'U', 0, "system-identifier", &(config->system_identifier), SOURCE_FILE_STRICT },
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{ 's', 0, "pgdata", &(config->pgdata), SOURCE_FILE_STRICT },
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{ 's', 0, "pgdatabase", &(config->pgdatabase), SOURCE_FILE_STRICT },
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{ 's', 0, "pghost", &(config->pghost), SOURCE_FILE_STRICT },
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{ 's', 0, "pgport", &(config->pgport), SOURCE_FILE_STRICT },
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{ 's', 0, "pguser", &(config->pguser), SOURCE_FILE_STRICT },
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{ 'u', 0, "retention-redundancy", &(config->retention_redundancy),SOURCE_FILE_STRICT },
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{ 'u', 0, "retention-window", &(config->retention_window), SOURCE_FILE_STRICT },
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{0}
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};
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join_path_components(path, backup_path, BACKUPS_DIR);
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join_path_components(path, backup_path, BACKUP_CATALOG_CONF_FILE);
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pgBackupConfigInit(config);
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pgut_readopt(path, options, ERROR);
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return config;
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}
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