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mirror of https://github.com/postgrespro/pg_probackup.git synced 2025-02-09 14:33:17 +02:00

[Issue #219] Make add-instance idempotent

This commit is contained in:
Grigory Smolkin 2020-06-05 23:33:17 +03:00
parent 4e1ec276cb
commit 0a2e5bee1b

View File

@ -67,20 +67,19 @@ do_add_instance(InstanceConfig *instance)
/* Ensure that all root directories already exist */
if (access(backup_path, F_OK) != 0)
elog(ERROR, "%s directory does not exist.", backup_path);
elog(ERROR, "Directory does not exist: '%s'", backup_path);
join_path_components(path, backup_path, BACKUPS_DIR);
if (access(path, F_OK) != 0)
elog(ERROR, "%s directory does not exist.", path);
elog(ERROR, "Directory does not exist: '%s'", path);
join_path_components(arclog_path_dir, backup_path, "wal");
if (access(arclog_path_dir, F_OK) != 0)
elog(ERROR, "%s directory does not exist.", arclog_path_dir);
elog(ERROR, "Directory does not exist: '%s'", arclog_path_dir);
/* Create directory for data files of this specific instance */
if (stat(instance->backup_instance_path, &st) == 0 && S_ISDIR(st.st_mode))
elog(ERROR, "instance '%s' already exists", instance->backup_instance_path);
dir_create_dir(instance->backup_instance_path, DIR_PERMISSION);
elog(ERROR, "Instance '%s' backup directory already exists: '%s'",
instance->name, instance->backup_instance_path);
/*
* Create directory for wal files of this specific instance.
@ -88,7 +87,11 @@ do_add_instance(InstanceConfig *instance)
* directory in data dir, we shouldn't have it in wal as well.
*/
if (stat(instance->arclog_path, &st) == 0 && S_ISDIR(st.st_mode))
elog(ERROR, "arclog_path '%s' already exists", instance->arclog_path);
elog(ERROR, "Instance '%s' WAL archive directory already exists: '%s'",
instance->name, instance->arclog_path);
/* Create directory for data files of this specific instance */
dir_create_dir(instance->backup_instance_path, DIR_PERMISSION);
dir_create_dir(instance->arclog_path, DIR_PERMISSION);
/*