示例#1
0
static void
parse_postgresql_conf(const char *path,
					  char **log_directory,
					  char **archive_command)
{
	pgut_option options[] =
	{
		{ 's', 0, "log_directory"		, NULL, SOURCE_ENV },
		{ 's', 0, "archive_command"		, NULL, SOURCE_ENV },
		{ 0 }
	};

	options[0].var = log_directory;
	options[1].var = archive_command;

	pgut_readopt(path, options, LOG);	/* ignore unknown options */
}
示例#2
0
/*
 * Entry point of pg_arman command.
 */
int
main(int argc, char *argv[])
{
	const char	   *cmd = NULL;
	const char	   *range1 = NULL;
	const char	   *range2 = NULL;
	pgBackupRange	range;
	int				i;

	/* do not buffer progress messages */
	setvbuf(stdout, 0, _IONBF, 0);	/* TODO: remove this */

	/* initialize configuration */
	catalog_init_config(&current);

	/* overwrite configuration with command line arguments */
	i = pgut_getopt(argc, argv, options);

	for (; i < argc; i++)
	{
		if (cmd == NULL)
			cmd = argv[i];
		else if (range1 == NULL)
			range1 = argv[i];
		else if (range2 == NULL)
			range2 = argv[i];
		else
			elog(ERROR, "too many arguments");
	}

	/* command argument (backup/restore/show/...) is required. */
	if (cmd == NULL)
	{
		help(false);
		return 1;
	}

	/* get object range argument if any */
	if (range1 && range2)
		parse_range(&range, range1, range2);
	else if (range1)
		parse_range(&range, range1, "");
	else
		range.begin = range.end = 0;

	/* Read default configuration from file. */
	if (backup_path)
	{
		char	path[MAXPGPATH];
		/* Check if backup_path is directory. */
		struct stat stat_buf;
		int rc = stat(backup_path, &stat_buf);

		/* If rc == -1,  there is no file or directory. So it's OK. */
		if (rc != -1 && !S_ISDIR(stat_buf.st_mode))
			elog(ERROR, "-B, --backup-path must be a path to directory");

		join_path_components(path, backup_path, PG_RMAN_INI_FILE);
		pgut_readopt(path, options, ERROR);
	}

	/* BACKUP_PATH is always required */
	if (backup_path == NULL)
		elog(ERROR, "required parameter not specified: BACKUP_PATH (-B, --backup-path)");

	/* path must be absolute */
	if (backup_path != NULL && !is_absolute_path(backup_path))
		elog(ERROR, "-B, --backup-path must be an absolute path");
	if (pgdata != NULL && !is_absolute_path(pgdata))
		elog(ERROR, "-D, --pgdata must be an absolute path");
	if (arclog_path != NULL && !is_absolute_path(arclog_path))
		elog(ERROR, "-A, --arclog-path must be an absolute path");

	/* Sanity checks with commands */
	if (pg_strcasecmp(cmd, "delete") == 0 && arclog_path == NULL)
		elog(ERROR, "delete command needs ARCLOG_PATH (-A, --arclog-path) to be set");

	/* setup exclusion list for file search */
	for (i = 0; pgdata_exclude[i]; i++)		/* find first empty slot */
		;
	if (arclog_path)
		pgdata_exclude[i++] = arclog_path;

	/* do actual operation */
	if (pg_strcasecmp(cmd, "init") == 0)
		return do_init();
	else if (pg_strcasecmp(cmd, "backup") == 0)
	{
		pgBackupOption bkupopt;
		int res;
		bkupopt.smooth_checkpoint = smooth_checkpoint;
		bkupopt.keep_data_generations = keep_data_generations;
		bkupopt.keep_data_days = keep_data_days;

		/* Do the backup */
		res = do_backup(bkupopt);
		if (res != 0)
			return res;

		/* If validation has been requested, do it */
		range.begin = current.start_time;
		range.end = current.start_time + 1;
		if (backup_validate)
			do_validate(&range);
	}
	else if (pg_strcasecmp(cmd, "restore") == 0)
		return do_restore(target_time, target_xid,
					target_inclusive, target_tli);
	else if (pg_strcasecmp(cmd, "show") == 0)
		return do_show(&range, show_all);
	else if (pg_strcasecmp(cmd, "validate") == 0)
		return do_validate(&range);
	else if (pg_strcasecmp(cmd, "delete") == 0)
		return do_delete(&range);
	else
		elog(ERROR, "invalid command \"%s\"", cmd);

	return 0;
}