def restore_mysql(cfg, dst, backup_copy, cache):
"""Restore from mysql backup"""
LOG.debug('mysql: %r', cfg)
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(cfg)
exit(1)
try:
ensure_empty(dst)
dst_storage = get_destination(
cfg,
get_hostname_from_backup_copy(backup_copy)
)
key = dst_storage.basename(backup_copy)
copy = dst_storage.status()[key]
if cache:
restore_from_mysql(cfg, copy, dst, cache=Cache(cache))
else:
restore_from_mysql(cfg, copy, dst)
except (TwinDBBackupError, CacheException) as err:
LOG.error(err)
exit(1)
except (OSError, IOError) as err:
LOG.error(err)
exit(1)
def restore_mysql(ctx, dst, backup_copy, cache):
"""Restore from mysql backup"""
LOG.debug('mysql: %r', ctx.obj['twindb_config'])
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(ctx.obj['twindb_config'])
exit(1)
try:
ensure_empty(dst)
incomplete_copy = MySQLCopy(
path=backup_copy
)
dst_storage = ctx.obj['twindb_config'].destination(
backup_source=incomplete_copy.host
)
mysql_status = MySQLStatus(dst=dst_storage)
copies = [
cp for cp in mysql_status if backup_copy.endswith(cp.name)
]
try:
copy = copies.pop(0)
except IndexError:
raise TwinDBBackupError(
'Can not find copy %s in MySQL status. '
'Inspect output of `twindb-backup status` and verify '
'that correct copy is specified.'
% backup_copy
)
if copies:
raise TwinDBBackupError(
'Multiple copies match pattern %s. Make sure you give unique '
'copy name for restore.'
)
if cache:
restore_from_mysql(
ctx.obj['twindb_config'],
copy,
dst,
cache=Cache(cache)
)
else:
restore_from_mysql(ctx.obj['twindb_config'], copy, dst)
except (TwinDBBackupError, CacheException) as err:
LOG.error(err)
LOG.debug(traceback.format_exc())
exit(1)
except (OSError, IOError) as err:
LOG.error(err)
LOG.debug(traceback.format_exc())
exit(1)
def restore_file(cfg, dst, backup_copy):
"""Restore from file backup"""
LOG.debug('file: %r', cfg)
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(cfg)
exit(1)
try:
ensure_empty(dst)
restore_from_file(cfg, backup_copy, dst)
except TwinDBBackupError as err:
LOG.error(err)
exit(1)
def restore_mysql(ctx, dst, backup_copy, cache):
"""Restore from mysql backup"""
LOG.debug('mysql: %r', ctx.obj['twindb_config'])
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(ctx.obj['twindb_config'])
exit(1)
try:
ensure_empty(dst)
incomplete_copy = MySQLCopy(path=backup_copy)
dst_storage = ctx.obj['twindb_config'].destination(
backup_source=incomplete_copy.host)
mysql_status = MySQLStatus(dst=dst_storage,
status_directory=incomplete_copy.host)
copies = [cp for cp in mysql_status if backup_copy.endswith(cp.name)]
try:
copy = copies.pop(0)
except IndexError:
raise TwinDBBackupError(
'Can not find copy %s in MySQL status. '
'Inspect output of `twindb-backup status` and verify '
'that correct copy is specified.' % backup_copy)
if copies:
raise TwinDBBackupError(
'Multiple copies match pattern %s. Make sure you give unique '
'copy name for restore.')
if cache:
restore_from_mysql(ctx.obj['twindb_config'],
copy,
dst,
cache=Cache(cache))
else:
restore_from_mysql(ctx.obj['twindb_config'], copy, dst)
except (TwinDBBackupError, CacheException) as err:
LOG.error(err)
LOG.debug(traceback.format_exc())
exit(1)
except (OSError, IOError) as err:
LOG.error(err)
LOG.debug(traceback.format_exc())
exit(1)
def restore_file(ctx, dst, backup_copy):
"""Restore from file backup"""
LOG.debug('file: %r', ctx.obj['twindb_config'])
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(ctx.obj['twindb_config'])
exit(1)
try:
ensure_empty(dst)
copy = FileCopy(path=backup_copy)
restore_from_file(ctx.obj['twindb_config'], copy, dst)
except TwinDBBackupError as err:
LOG.error(err)
exit(1)
except KeyboardInterrupt:
LOG.info('Exiting...')
kill_children()
exit(1)
def restore_file(ctx, dst, backup_copy):
"""Restore from file backup"""
LOG.debug('file: %r', ctx.obj['twindb_config'])
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(ctx.obj['twindb_config'])
exit(1)
try:
ensure_empty(dst)
copy = FileCopy(path=backup_copy)
restore_from_file(ctx.obj['twindb_config'], copy, dst)
except TwinDBBackupError as err:
LOG.error(err)
exit(1)
except KeyboardInterrupt:
LOG.info('Exiting...')
kill_children()
exit(1)
def restore_mysql(cfg, dst, backup_copy, cache):
"""Restore from mysql backup"""
LOG.debug('mysql: %r', cfg)
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(cfg)
exit(1)
try:
ensure_empty(dst)
if cache:
restore_from_mysql(cfg, backup_copy, dst, cache=Cache(cache))
else:
restore_from_mysql(cfg, backup_copy, dst)
except (TwinDBBackupError, CacheException) as err:
LOG.error(err)
exit(1)
except (OSError, IOError) as err:
LOG.error(err)
exit(1)
def restore_file(cfg, dst, backup_copy):
"""Restore from file backup"""
LOG.debug('file: %r', cfg)
if not backup_copy:
LOG.info('No backup copy specified. Choose one from below:')
list_available_backups(cfg)
exit(1)
try:
ensure_empty(dst)
copy = FileCopy(
get_hostname_from_backup_copy(backup_copy),
basename(backup_copy),
get_run_type_from_backup_copy(backup_copy)
)
restore_from_file(cfg, copy, dst)
except TwinDBBackupError as err:
LOG.error(err)
exit(1)
except KeyboardInterrupt:
LOG.info('Exiting...')
kill_children()
exit(1)