/usr/lib/python3/dist-packages/gnocchi/common/ceph.py is in python3-gnocchi 4.2.0-0ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | # -*- encoding: utf-8 -*-
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import errno
import daiquiri
LOG = daiquiri.getLogger(__name__)
for RADOS_MODULE_NAME in ('cradox', 'rados'):
try:
rados = __import__(RADOS_MODULE_NAME)
except ImportError:
pass
else:
break
else:
RADOS_MODULE_NAME = None
rados = None
if rados is not None and hasattr(rados, 'run_in_thread'):
rados.run_in_thread = lambda target, args, timeout=None: target(*args)
LOG.info("rados.run_in_thread is monkeypatched.")
def create_rados_connection(conf):
options = {}
if conf.ceph_keyring:
options['keyring'] = conf.ceph_keyring
if conf.ceph_secret:
options['key'] = conf.ceph_secret
if conf.ceph_timeout:
options['rados_osd_op_timeout'] = conf.ceph_timeout
options['rados_mon_op_timeout'] = conf.ceph_timeout
options['client_mount_timeout'] = conf.ceph_timeout
if not rados:
raise ImportError("No module named 'rados' nor 'cradox'")
if not hasattr(rados, 'OmapIterator'):
raise ImportError("Your rados python module does not support "
"omap feature. Install 'cradox' (recommended) "
"or upgrade 'python-rados' >= 9.1.0 ")
LOG.info("Ceph storage backend use '%s' python library",
RADOS_MODULE_NAME)
# NOTE(sileht): librados handles reconnection itself,
# by default if a call timeout (30sec), it raises
# a rados.Timeout exception, and librados
# still continues to reconnect on the next call
conn = rados.Rados(conffile=conf.ceph_conffile,
rados_id=conf.ceph_username,
conf=options)
try:
conn.connect()
except rados.InvalidArgumentError:
raise Exception("Unable to connect to ceph, check the configuration")
ioctx = conn.open_ioctx(conf.ceph_pool)
return conn, ioctx
def close_rados_connection(conn, ioctx):
ioctx.aio_flush()
ioctx.close()
conn.shutdown()
# NOTE(sileht): The mapping is not part of the rados Public API So we copy it
# here.
EXCEPTION_NAMES = {
errno.EPERM: 'PermissionError',
errno.ENOENT: 'ObjectNotFound',
errno.EIO: 'IOError',
errno.ENOSPC: 'NoSpace',
errno.EEXIST: 'ObjectExists',
errno.EBUSY: 'ObjectBusy',
errno.ENODATA: 'NoData',
errno.EINTR: 'InterruptedOrTimeoutError',
errno.ETIMEDOUT: 'TimedOut',
errno.EACCES: 'PermissionDeniedError'
}
def errno_to_exception(ret):
if ret < 0:
name = EXCEPTION_NAMES.get(abs(ret))
if name is None:
raise rados.Error("Unhandled error '%s'" % ret)
else:
raise getattr(rados, name)
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