charm-ceph/actions/add_disk.py
Chris MacNaughton 6b1a224e67 Add support for ceph-osd broker requests
This is to support ceph-osd requesting movement
of OSD devices into various buckets.

This also implements the osd side with
an action to move a disk

Change-Id: I609ceb8662b20ca06b71d66696d101bda799e25c
2016-12-12 13:54:49 -05:00

74 lines
2.0 KiB
Python
Executable File

#!/usr/bin/python
#
# Copyright 2016 Canonical Ltd
#
# 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 os
import psutil
import sys
sys.path.append('lib')
sys.path.append('hooks')
from charmhelpers.core.hookenv import (
config,
action_get,
)
from charmhelpers.contrib.storage.linux.ceph import (
CephBrokerRq,
send_request_if_needed,
)
import ceph
from ceph_hooks import (
get_journal_devices,
)
def add_device(request, device_path, bucket=None):
ceph.osdize(dev, config('osd-format'),
get_journal_devices(), config('osd-reformat'),
config('ignore-device-errors'),
config('osd-encrypt'))
# Make it fast!
if config('autotune'):
ceph.tune_dev(dev)
mounts = filter(lambda disk: device_path
in disk.device, psutil.disk_partitions())
if mounts:
osd = mounts[0]
osd_id = osd.mountpoint.split('/')[-1].split('-')[-1]
request.ops.append({
'op': 'move-osd-to-bucket',
'osd': "osd.{}".format(osd_id),
'bucket': bucket})
return request
def get_devices():
return [
os.path.realpath(path)
for path in action_get('osd-devices').split(' ')]
if __name__ == "__main__":
request = CephBrokerRq()
for dev in get_devices():
request = add_device(request=request,
device_path=dev,
bucket=action_get("bucket"))
send_request_if_needed(request, relation='mon')