本文整理汇总了Python中barman.compression.CompressionManager.get_decompressor方法的典型用法代码示例。如果您正苦于以下问题：Python CompressionManager.get_decompressor方法的具体用法？Python CompressionManager.get_decompressor怎么用？Python CompressionManager.get_decompressor使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类barman.compression.CompressionManager的用法示例。
在下文中一共展示了CompressionManager.get_decompressor方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: BackupManager
# 需要导入模块: from barman.compression import CompressionManager [as 别名]
# 或者: from barman.compression.CompressionManager import get_decompressor [as 别名]
#.........这里部分代码省略.........
if target_time:
targets['time'] = str(target_datetime)
if target_xid:
targets['xid'] = str(target_xid)
if target_tli and target_tli != backup.timeline:
targets['timeline'] = str(target_tli)
yield "Doing PITR. Recovery target %s" % \
(", ".join(["%s: %r" % (k, v) for k, v in targets.items()]))
# Copy the base backup
msg = "Copying the base backup."
yield msg
_logger.info(msg)
self.recover_basebackup_copy(backup, dest, remote_command)
_logger.info("Base backup copied.")
# Prepare WAL segments local directory
msg = "Copying required wal segments."
_logger.info(msg)
yield msg
if target_time or target_xid or (target_tli and target_tli != backup.timeline):
wal_dest = os.path.join(dest, 'barman_xlog')
else:
wal_dest = os.path.join(dest, 'pg_xlog')
# Retrieve the list of required WAL segments according to recovery options
xlogs = {}
required_xlog_files = tuple(self.server.get_required_xlog_files(backup, target_tli, target_epoch, target_xid))
for filename in required_xlog_files:
hashdir = xlog.hash_dir(filename)
if hashdir not in xlogs:
xlogs[hashdir] = []
xlogs[hashdir].append(filename)
# Check decompression options
decompressor = self.compression_manager.get_decompressor()
# Restore WAL segments
self.recover_xlog_copy(decompressor, xlogs, wal_dest, remote_command)
_logger.info("Wal segmets copied.")
# Generate recovery.conf file (only if needed by PITR)
if target_time or target_xid or (target_tli and target_tli != backup.timeline):
msg = "Generating recovery.conf"
yield msg
_logger.info(msg)
if remote_command:
tempdir = tempfile.mkdtemp(prefix='barman_recovery-')
recovery = open(os.path.join(tempdir, 'recovery.conf'), 'w')
else:
recovery = open(os.path.join(dest, 'recovery.conf'), 'w')
print >> recovery, "restore_command = 'cp barman_xlog/%f %p'"
print >> recovery, "recovery_end_command = 'rm -fr barman_xlog'"
if target_time:
print >> recovery, "recovery_target_time = '%s'" % target_time
if target_tli:
print >> recovery, "recovery_target_timeline = %s" % target_tli
if target_xid:
print >> recovery, "recovery_target_xid = '%s'" % target_xid
if exclusive:
print >> recovery, "recovery_target_inclusive = '%s'" % (not exclusive)
recovery.close()
if remote_command:
recovery = rsync.from_file_list(['recovery.conf'], tempdir, ':%s' % dest)
shutil.rmtree(tempdir)
_logger.info('recovery.conf generated')
else:
# avoid shipping of just recovered pg_xlog files