def save_db(self):
"""Saves postgresql database into the file
"""
logger.debug(u'Backup database')
pg_dump_path = os.path.join(self.working_directory, 'pg_dump_all.sql')
pg_dump_files = utils.VersionedFile(pg_dump_path)
pg_dump_tmp_path = pg_dump_files.next_file_name()
try:
container_name = self.make_container_name(
'postgres', self.from_version)
self.exec_cmd_in_container(
container_name,
u"su postgres -c 'pg_dumpall --clean' > {0}".format(
pg_dump_tmp_path))
except (errors.ExecutedErrorNonZeroExitCode,
errors.CannotFindContainerError) as exc:
utils.remove_if_exists(pg_dump_tmp_path)
if not utils.file_exists(pg_dump_path):
raise
logger.debug(
u'Failed to make database dump, '
'will be used dump from previous run: %s', exc)
valid_dumps = filter(utils.verify_postgres_dump,
pg_dump_files.sorted_files())
if valid_dumps:
utils.hardlink(valid_dumps[0], pg_dump_path, overwrite=True)
map(utils.remove_if_exists,
valid_dumps[self.config.keep_db_backups_count:])
else:
raise errors.DatabaseDumpError(
u'Failed to make database dump, there '
'are no valid database backup '
'files, {0}'.format(pg_dump_path))
def save_db(self):
"""Saves postgresql database into the file
"""
logger.debug(u'Backup database')
pg_dump_path = os.path.join(self.working_directory, 'pg_dump_all.sql')
pg_dump_files = utils.VersionedFile(pg_dump_path)
pg_dump_tmp_path = pg_dump_files.next_file_name()
utils.wait_for_true(
lambda: self.make_pg_dump(pg_dump_tmp_path, pg_dump_path),
timeout=self.config.db_backup_timeout,
interval=self.config.db_backup_interval)
valid_dumps = filter(utils.verify_postgres_dump,
pg_dump_files.sorted_files())
if valid_dumps:
utils.hardlink(valid_dumps[0], pg_dump_path, overwrite=True)
map(utils.remove_if_exists,
valid_dumps[self.config.keep_db_backups_count:])
else:
raise errors.DatabaseDumpError(
u'Failed to make database dump, there '
'are no valid database backup '
'files, {0}'.format(pg_dump_path))
def save_db(self):
"""Saves postgresql database into the file
"""
logger.debug(u'Backup database')
pg_dump_path = os.path.join(self.working_directory, 'pg_dump_all.sql')
pg_dump_files = utils.VersionedFile(pg_dump_path)
pg_dump_tmp_path = pg_dump_files.next_file_name()
utils.wait_for_true(
lambda: self.make_pg_dump(pg_dump_tmp_path, pg_dump_path),
timeout=self.config.db_backup_timeout,
interval=self.config.db_backup_interval)
valid_dumps = filter(utils.verify_postgres_dump,
pg_dump_files.sorted_files())
if valid_dumps:
utils.hardlink(valid_dumps[0], pg_dump_path, overwrite=True)
map(utils.remove_if_exists,
valid_dumps[self.config.keep_db_backups_count:])
else:
raise errors.DatabaseDumpError(
u'Failed to make database dump, there '
'are no valid database backup '
'files, {0}'.format(pg_dump_path))