133 lines
4.1 KiB
Python
Executable File
133 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env 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 sys
|
|
import traceback
|
|
import subprocess
|
|
|
|
sys.path.append('hooks/')
|
|
|
|
from cinder import context
|
|
from cinder import db
|
|
from cinder.db.sqlalchemy.api import model_query, get_session
|
|
from cinder.db.sqlalchemy import models
|
|
|
|
from charmhelpers.contrib.openstack.utils import (
|
|
os_release,
|
|
CompareOpenStackReleases,
|
|
)
|
|
|
|
from sqlalchemy import and_
|
|
from charmhelpers.core.hookenv import (
|
|
action_set,
|
|
action_fail,
|
|
action_get,
|
|
log,
|
|
)
|
|
|
|
DEFAULT_SERVICES = (
|
|
"cinder",
|
|
"cinder@cinder-ceph",
|
|
)
|
|
|
|
try:
|
|
from cinder import flags
|
|
cfg = flags.FLAGS
|
|
except ImportError:
|
|
from cinder.common.config import CONF
|
|
cfg = CONF
|
|
|
|
|
|
def load_config_file(conf):
|
|
cfg(args=[], project='cinder', default_config_files=[conf])
|
|
|
|
|
|
def cinder_manage_remove(binary, hostname):
|
|
return subprocess.check_call(["cinder-manage", "service", "remove", binary,
|
|
hostname])
|
|
|
|
|
|
def cinder_manage_volume_update_host(currenthost, newhost):
|
|
return subprocess.check_call(["cinder-manage", "volume", "update_host",
|
|
"--currenthost", currenthost,
|
|
"--newhost", newhost])
|
|
|
|
|
|
def remove_services(args):
|
|
load_config_file(os.path.join(os.path.sep, "etc", "cinder", "cinder.conf"))
|
|
|
|
host = action_get(key="host")
|
|
services = model_query({}, models.Service, read_deleted="no",
|
|
session=get_session())
|
|
|
|
if host not in ("unused", "",):
|
|
services = services.filter(models.Service.host == host)
|
|
else:
|
|
ands = []
|
|
for service in DEFAULT_SERVICES:
|
|
ands.append(and_(models.Service.host != service))
|
|
services = services.filter(*ands)
|
|
|
|
removed_services = []
|
|
ctxt = context.get_admin_context()
|
|
|
|
for service in services.all():
|
|
log("Removing service:%d, hostname:%s" % (service.id, service.host))
|
|
try:
|
|
if CompareOpenStackReleases(os_release("cinder")) >= "liberty":
|
|
cinder_manage_remove(service.binary, service.host)
|
|
else:
|
|
db.service_destroy(ctxt, service.id)
|
|
except:
|
|
action_set({'traceback': traceback.format_exc()})
|
|
action_fail("Cannot remove service: %s" % service.host)
|
|
else:
|
|
removed_services.append(service.host)
|
|
|
|
action_set({'removed': ",".join(removed_services)})
|
|
|
|
|
|
def _rename_volume_host(currenthost, newhost):
|
|
load_config_file(os.path.join(os.path.sep, "etc", "cinder", "cinder.conf"))
|
|
services = model_query({}, models.Service, read_deleted="no",
|
|
session=get_session())
|
|
services = services.filter(models.Service.host == currenthost)
|
|
if services.all():
|
|
try:
|
|
cinder_manage_volume_update_host(currenthost, newhost)
|
|
except:
|
|
action_set({'traceback': traceback.format_exc()})
|
|
action_fail("Cannot update host {}".format(currenthost))
|
|
else:
|
|
action_fail(
|
|
"Cannot update host attribute from {}, {} not found".format(
|
|
currenthost,
|
|
currenthost))
|
|
|
|
|
|
def rename_volume_host(args):
|
|
action_args = action_get()
|
|
_rename_volume_host(action_args['currenthost'], action_args['newhost'])
|
|
|
|
|
|
def volume_host_add_driver(args):
|
|
action_args = action_get()
|
|
newhost = "{}@{}".format(action_args['currenthost'], action_args['driver'])
|
|
if action_args.get('volume-backend-name'):
|
|
newhost = newhost + '#' + action_args['volume-backend-name']
|
|
_rename_volume_host(action_args['currenthost'], newhost)
|