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mirror of https://github.com/postgrespro/pg_probackup.git synced 2024-11-28 09:33:54 +02:00
pg_probackup/configure.c
2017-04-19 18:31:40 +03:00

127 lines
3.3 KiB
C

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