86710cc638
Subprocess Popen.communicate and check_output return a string object on python2 and a bytes object on python3. Add universal_newlines=True parameter to keep backwards compatibility and to return a string object on python3 also. Story: 2008454 Task: 42675 Signed-off-by: Dan Voiculeasa <dan.voiculeasa@windriver.com> Change-Id: I89c8ab3b83c6567cf9282027889f38237657c71c (cherry picked from commit 1fda925b50ea798838980b4588abea69ea2a272f)
626 lines
26 KiB
Python
626 lines
26 KiB
Python
"""
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Copyright (c) 2015-2020 Wind River Systems, Inc.
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SPDX-License-Identifier: Apache-2.0
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"""
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import os
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import subprocess
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import sys
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import textwrap
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import time
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import yaml
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from keystoneclient.auth.identity import v3
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from keystoneauth1 import session as ksc_session
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from cinderclient.v3 import client as cinder_client_v3
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from glanceclient import Client
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from cinderclient import utils as c_utils
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from controllerconfig.common.rest_api_utils import get_token
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from controllerconfig.common.exceptions import TidyStorageFail
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from controllerconfig.common import oslolog as log
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from oslo_log import log as logging
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LOG = logging.getLogger(__name__)
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KEYSTONE_AUTH_SERVER_RETRY_CNT = 60
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KEYSTONE_AUTH_SERVER_WAIT = 1 # 1sec wait per retry
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search_opts = {'all_tenants': 1}
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class OpenStack(object):
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def __init__(self):
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self.admin_token = None
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self.conf = {}
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self.cinder_client = None
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self.glance_client = None
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openstack_keystone_address = 'keystone.openstack.svc.cluster.local'
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try:
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self.conf['admin_user'] = os.environ['OS_USERNAME']
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self.conf['admin_pwd'] = os.environ['OS_PASSWORD']
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self.conf['admin_tenant'] = os.environ['OS_PROJECT_NAME']
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self.conf['auth_url'] = os.environ['OS_AUTH_URL']
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self.conf['region_name'] = os.environ['OS_REGION_NAME']
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self.conf['user_domain'] = os.environ['OS_USER_DOMAIN_NAME']
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self.conf['project_domain'] = os.environ['OS_PROJECT_DOMAIN_NAME']
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except KeyError:
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openstack_config_file_path = \
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os.path.join("/", "etc", "openstack", "clouds.yaml")
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try:
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with open(openstack_config_file_path) as f:
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openstack_config_data = \
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yaml.load(f)['clouds']['openstack_helm']
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self.conf['admin_user'] = \
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openstack_config_data['auth']['username']
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self.conf['admin_pwd'] = \
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openstack_config_data['auth']['password']
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self.conf['admin_tenant'] = \
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openstack_config_data['auth']['project_name']
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self.conf['auth_url'] = \
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openstack_config_data['auth']['auth_url']
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self.conf['region_name'] = \
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openstack_config_data['region_name']
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self.conf['user_domain'] = \
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openstack_config_data['auth']['user_domain_name']
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self.conf['project_domain'] = \
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openstack_config_data['auth']['project_domain_name']
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except KeyError:
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msg = "Openstack config file has missing values"
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LOG.error(msg)
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raise TidyStorageFail(msg)
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except IOError:
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msg = "Openstack config file does not exist (%s)" \
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% openstack_config_file_path
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LOG.error(msg)
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raise TidyStorageFail(msg)
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if openstack_keystone_address not in self.conf['auth_url']:
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msg = 'The auth_url conf variable is expected to be using ' \
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'the %s service. ' \
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'Please confirm the provided access credentials.'\
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% openstack_keystone_address
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LOG.error(msg)
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raise TidyStorageFail(msg)
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def __enter__(self):
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if not self._connect():
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raise Exception('Failed to connect')
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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self._disconnect()
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def __del__(self):
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self._disconnect()
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def _connect(self):
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""" Connect to an OpenStack instance """
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if self.admin_token is not None:
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self._disconnect()
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# Try to obtain an admin token from keystone
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for _ in range(KEYSTONE_AUTH_SERVER_RETRY_CNT):
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self.admin_token = get_token(self.conf['auth_url'],
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self.conf['admin_tenant'],
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self.conf['admin_user'],
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self.conf['admin_pwd'],
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self.conf['user_domain'],
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self.conf['project_domain'])
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if self.admin_token:
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break
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time.sleep(KEYSTONE_AUTH_SERVER_WAIT)
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return self.admin_token is not None
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def _disconnect(self):
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""" Disconnect from an OpenStack instance """
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self.admin_token = None
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@property
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def get_cinder_client(self):
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if not self.cinder_client:
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auth = v3.Password(auth_url=self.conf['auth_url'],
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username=self.conf['admin_user'],
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password=self.conf['admin_pwd'],
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user_domain_name=self.conf['user_domain'],
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project_name=self.conf['admin_tenant'],
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project_domain_name=self.conf['project_domain'])
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self.cinder_client = cinder_client_v3.Client(
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session=ksc_session.Session(auth=auth),
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auth_url=self.conf['auth_url'],
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endpoint_type='internalURL',
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region_name="RegionOne")
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return self.cinder_client
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@property
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def get_glance_client(self):
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if not self.glance_client:
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auth = v3.Password(auth_url=self.conf['auth_url'],
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username=self.conf['admin_user'],
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password=self.conf['admin_pwd'],
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user_domain_name=self.conf['user_domain'],
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project_name=self.conf['admin_tenant'],
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project_domain_name=self.conf['project_domain'])
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self.glance_client = Client(
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'2', session=ksc_session.Session(auth=auth))
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return self.glance_client
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def show_help():
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print("Usage: %s <user_action_log_file>" % sys.argv[0])
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print(textwrap.fill(
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"Tidy storage post system restore. Check user actions "
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"in the generated user_action_log_file.", 80))
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def tidy_storage(result_file):
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"""
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Search Glance images DB and rbd images pool for any discrepancy
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between the two.
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- If an image is in Glance images DB but not in rbd images pool,
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list the image and suggested actions to take in a log file.
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- If an image is in rbd images pool but not in Glance images DB,
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create a Glance image in Glance images DB to associate with the
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backend data. List the image and suggested actions to take in a log
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file.
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Search Cinder volumes DB and rbd cinder-volumes pool for any discrepancy
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between the two.
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- If a volume is in Cinder volumes DB but not in rbd cinder-volumes
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pool, set the volume state to "error". List the volume and suggested
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actions to take in a log file.
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- If a volume is in rbd cinder-volumes pool but not in Cinder volumes
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DB, remove any snapshot(s) assoicated with this volume in rbd pool and
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create a volume in Cinder volumes DB to associate with the backend
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data. List the volume and suggested actions to take in a log file.
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- If a volume is in both Cinder volumes DB and rbd cinder-volumes pool
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and it has snapshot(s) in the rbd pool, re-create the snapshot in
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Cinder if it doesn't exist.
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Clean up Cinder snapshots DB if the snapshot doesn't have backend data.
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"""
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with OpenStack() as client:
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# Check Glance images
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print("Scanning Glance images in DB and rbd images pool...\n")
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try:
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g_client = client.get_glance_client
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image_l = g_client.images.list()
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image_id_l = [image['id'].encode('utf-8') for image in image_l]
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output = subprocess.check_output(
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["rbd",
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"ls",
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"--pool",
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"images"],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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except subprocess.CalledProcessError:
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LOG.error("Failed to access rbd images pool")
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raise TidyStorageFail("Failed to access rbd images pool")
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail("Failed to list Glance images")
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rbd_image_l = [i for i in output.split('\n') if i != ""]
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print("Images in Glance images DB: %s \n" % image_id_l)
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print("Images in rbd images pool: %s \n" % rbd_image_l)
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in_glance_only = list(set(image_id_l) - set(rbd_image_l))
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in_rbd_image_only = list(set(rbd_image_l) - set(image_id_l))
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print("Images in Glance images DB only: %s \n" % in_glance_only)
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print("Images in rbd images pool only: %s \n" % in_rbd_image_only)
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if in_rbd_image_only:
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output = subprocess.check_output(
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["grep",
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"fsid",
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"/etc/ceph/ceph.conf"],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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ceph_cluster = [i.strip() for i in output.split('=')
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if i.find('fsid') == -1]
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fields = dict()
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for image in in_rbd_image_only:
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try:
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img_file = 'rbd:images/{}'.format(image)
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output = subprocess.check_output(
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["qemu-img", "info", img_file],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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fields['disk_format'] = 'qcow2'
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for line in output.split('\n'):
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if 'file format:' in line:
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fields['disk_format'] = line.split(':')[1].strip()
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break
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fields['name'] = 'found-image-%s' % image
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fields['id'] = image
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fields['container_format'] = 'bare'
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url = 'rbd://{}/images/{}/snap'.format(ceph_cluster[0],
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image)
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print("Creating a Glance image %s ...\n " % fields['name'])
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g_client.images.create(**fields)
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g_client.images.add_location(image, url, {})
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except subprocess.CalledProcessError:
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LOG.error("Failed to access rbd image %s" % image)
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raise TidyStorageFail("Failed to access rbd image")
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail("Failed to create glance image")
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# Check cinder volume snapshots. Do it before "cinder manage"
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# operation as "cinder manage" does not support keeping the same
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# volume id.
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print("Scanning Cinder snapshots in DB and rbd cinder-volumes "
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"pool...\n")
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try:
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c_client = client.get_cinder_client
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snap_l = c_client.volume_snapshots.list(search_opts=search_opts)
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail("Failed to get Cinder snapshots")
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snaps_no_backend_vol = []
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for snap in snap_l:
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print("Check if volume snapshot %s has backend " % snap.name)
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try:
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output = subprocess.check_output(
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["rbd", "ls", "--pool", "cinder-volumes"],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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except subprocess.CalledProcessError:
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LOG.error("Failed to access rbd cinder-volumes pool")
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raise TidyStorageFail(
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"Failed to access rbd cinder-volumes pool")
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found_vol = False
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for line in output.split('\n'):
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if snap.volume_id in line:
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found_vol = True
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break
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if found_vol:
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volume = 'cinder-volumes/{}'.format(snap.volume_id)
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try:
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output = subprocess.check_output(
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["rbd", "snap", "list", volume],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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keep_snap = False
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for line in output.split('\n'):
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if snap.id in line:
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keep_snap = True
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break
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except subprocess.CalledProcessError:
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LOG.info("Failed to list snapshots for volume %s in "
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"rbd cinder-volumes pool"
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% snap.volume_id)
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raise TidyStorageFail("Failed to list snapshots in rbd.")
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if not keep_snap:
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try:
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print("Volume snapshot %s has no backend data. "
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"Deleting it from Cinder...\n" % snap.name)
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c_client.volume_snapshots.delete(c_utils.find_resource(
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c_client.volume_snapshots, snap.id), force=True)
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail(
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"Failed to delete volume snapshot")
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else:
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# Volume snapshot that doesn't have backend volume cannot
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# be deleted. If the backend volume is restored later, then
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# the snapshot can be deleted. So for now we will add these
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# snapshots in the user action log.
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snaps_no_backend_vol.append(snap)
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# Check Cinder volumes
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print("Scanning Cinder volumes in DB and rbd cinder-volumes pool...\n")
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try:
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volume_l = c_client.volumes.list(search_opts=search_opts)
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v_t_d = c_client.volume_types.default()
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avail_zones = c_client.availability_zones.list()
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pools = c_client.pools.list()
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail("Failed to get Cinder volume info")
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if pools:
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host = pools[0].name # pylint: disable=no-member
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if v_t_d is None:
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v_t_d = 'ceph'
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else:
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v_t_d = v_t_d.name
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cinder_volume_l = [i.id.encode('utf-8') for i in volume_l]
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if avail_zones:
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avail_z = avail_zones[0].zoneName # pylint: disable=no-member
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try:
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output = subprocess.check_output(
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["rbd", "ls", "--pool", "cinder-volumes"],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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except subprocess.CalledProcessError:
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LOG.error("Failed to access rbd cinder-volumes pool")
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raise TidyStorageFail("Failed to access rbd cinder-volumes pool")
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rbd_volume_l = [i for i in output.split('\n') if i != ""]
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print("Volumes in Cinder volumes DB: %s \n" % cinder_volume_l)
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print("Volumes in rbd pool: %s \n" % rbd_volume_l)
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in_cinder_only = list(set(cinder_volume_l) - set(rbd_volume_l))
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in_rbd_volume_only = list(set(rbd_volume_l) - set(cinder_volume_l))
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in_cinder_and_rbd = list(set(cinder_volume_l) & set(rbd_volume_l))
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print("Volumes in Cinder volumes DB only: %s \n" % in_cinder_only)
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print("Volumes in rbd pool only: %s \n" % in_rbd_volume_only)
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print("Volumes in Cinder volumes DB and rbd pool: %s \n"
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% in_cinder_and_rbd)
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for vol_id in in_rbd_volume_only:
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volume = 'cinder-volumes/{}'.format(vol_id)
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try:
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# Find out if the volume is a bootable one
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output = subprocess.check_output(
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["rbd", "info", volume],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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bootable = False
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for line in output.split('\n'):
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if 'parent: images/' in line:
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bootable = True
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break
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# Find out if the volume has any snapshots.
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print("Checking if volume %s has snapshots...\n" % vol_id)
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output = subprocess.check_output(
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["rbd", "snap", "list", volume],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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snap_l = [item.strip() for item in output.split(' ')
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if item.find('snapshot-') != -1]
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# Returned volume id (vol.id) will be different from vol_id
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try:
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vol = c_client.volumes.manage(
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host=host,
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ref={'source-name': 'volume-%s' % vol_id},
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name='found-volume-%s' % vol_id,
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description='manage a volume',
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volume_type=v_t_d,
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availability_zone=avail_z,
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bootable=bootable)
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print("Creating volume found-volume-%s in Cinder...\n"
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% vol_id)
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail("Failed to manage volume")
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try:
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for snap in snap_l:
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# Manage a snapshot for a managed volume is not
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# supported in rbd. So we just remove the snapshot.
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# Remove the snapshot
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print(textwrap.fill(
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"Removing snapshot %s from volume %s "
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"in rbd...\n" % (snap, vol_id), 76))
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del_snap = '{}@{}'.format(volume, snap)
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output = subprocess.check_output(
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["rbd", "snap", "unprotect", del_snap],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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output = subprocess.check_output(
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["rbd", "snap", "rm", del_snap],
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail("Failed to manage volume snapshot")
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except subprocess.CalledProcessError:
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LOG.error("Failed to access volume %s in cinder-volumes pool"
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% vol_id)
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raise TidyStorageFail("Failed to access rbd image")
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for vol in in_cinder_only:
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try:
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c_client.volumes.reset_state(
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c_utils.find_volume(c_client, vol), state='error')
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print("Setting state to error for volume %s \n" % vol)
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except Exception as e:
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LOG.error("Failed to update volume to error state for %s"
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% vol)
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raise TidyStorageFail("Failed to update volume to error state")
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# For volumes that are in Cinder volumes DB and rbd cinder-volumes
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# pool, we check if any volume snapshot needs to be re-created
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try:
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c_s_l = c_client.volume_snapshots.list(search_opts=search_opts)
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cinder_snap_l = ['snapshot-{}'.format(snap.id) for snap in c_s_l]
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except Exception as e:
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LOG.exception(e)
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raise TidyStorageFail("Failed to get Cinder snapshots")
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for vol_id in in_cinder_and_rbd:
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volume = 'cinder-volumes/{}'.format(vol_id)
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try:
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# Find out if the volume has any snapshots.
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|
print("Checking if volume %s has snapshots...\n" % vol_id)
|
|
output = subprocess.check_output(
|
|
["rbd", "snap", "list", volume],
|
|
stderr=subprocess.STDOUT,
|
|
universal_newlines=True)
|
|
|
|
snap_l = [item.strip() for item in output.split(' ')
|
|
if item.find('snapshot-') != -1]
|
|
|
|
for snap in snap_l:
|
|
if snap not in cinder_snap_l:
|
|
print("Creating volume snapshot found-%s "
|
|
"in Cinder...\n" % snap)
|
|
|
|
c_client.volume_snapshots.manage(
|
|
volume_id=vol_id,
|
|
ref={'source-name': snap},
|
|
name='found-%s' % snap,
|
|
description='manage a snapshot')
|
|
except subprocess.CalledProcessError:
|
|
LOG.error("Failed to access snapshot for volume %s"
|
|
% vol_id)
|
|
raise TidyStorageFail("Failed to access volume snapshot")
|
|
except Exception as e:
|
|
LOG.exception(e)
|
|
raise TidyStorageFail("Failed to manage Cinder snapshot")
|
|
|
|
try:
|
|
with open(result_file, 'w') as f:
|
|
f.write('\n%s\n' % ('-' * 80))
|
|
f.write(textwrap.fill(
|
|
"Following images are found in Ceph images pool but "
|
|
"not in Glance. These images were created after the "
|
|
"system backup was done. If you do not want to keep "
|
|
"them, you can delete them by "
|
|
"\"glance image-delete <id>\" command.", 80))
|
|
f.write("\n\n")
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME']))
|
|
image_l = g_client.images.list()
|
|
for image in image_l:
|
|
if image['name'].find("found-image") != -1:
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(
|
|
[image['id'].encode('utf-8'), image['name']]))
|
|
|
|
f.write("\n")
|
|
f.write('\n%s\n' % ('-' * 80))
|
|
f.write(textwrap.fill(
|
|
"Following images are found in Glance without backend "
|
|
"data associated with. These images were deleted after "
|
|
"the system backup was done. You can delete them by "
|
|
"\"glance image-delete <id>\" command or follow the B&R "
|
|
"document to restore the image.", 80))
|
|
f.write("\n\n")
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME']))
|
|
image_l = g_client.images.list()
|
|
for image in image_l:
|
|
if (in_glance_only and
|
|
image['id'].encode('utf-8') in in_glance_only):
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(
|
|
[image['id'].encode('utf-8'), image['name']]))
|
|
|
|
f.write("\n")
|
|
f.write('\n%s\n' % ('-' * 80))
|
|
f.write(textwrap.fill(
|
|
"Following volumes are found in Ceph cinder-volumes "
|
|
"pool but not in Cinder. These volumes were created "
|
|
"after the system backup was done. If you do not want "
|
|
"to keep them you can delete them by "
|
|
"\"cinder delete <id>\" command.", 80))
|
|
f.write("\n\n")
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME']))
|
|
volume_l = c_client.volumes.list(search_opts=search_opts)
|
|
for volume in volume_l:
|
|
if volume.name.find("found-") != -1:
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(
|
|
[volume.id.encode('utf-8'), volume.name]))
|
|
|
|
f.write("\n")
|
|
f.write('\n%s\n' % ('-' * 80))
|
|
f.write(textwrap.fill(
|
|
"Following volumes are found in Cinder without backend "
|
|
"data associated with. These volumes were deleted "
|
|
"after the system backup was done. You can delete them "
|
|
"by \"cinder delete <id>\" command or follow the B&R "
|
|
"document to restore the cinder volume.", 80))
|
|
f.write("\n\n")
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME']))
|
|
volume_l = c_client.volumes.list(search_opts=search_opts)
|
|
for volume in volume_l:
|
|
if in_cinder_only and volume.id in in_cinder_only:
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(
|
|
[volume.id.encode('utf-8'), volume.name]))
|
|
|
|
f.write("\n")
|
|
f.write('\n%s\n' % ('-' * 80))
|
|
f.write(textwrap.fill(
|
|
"Following volume snapshots are found in Ceph but not in "
|
|
"Cinder. These volume snapshots were created after the "
|
|
"system backup was done. If you do not want to keep them "
|
|
"you can delete them by \"cinder snapshot-delete <id>\" "
|
|
"command.", 80))
|
|
f.write("\n\n")
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME']))
|
|
snap_l = c_client.volume_snapshots.list(
|
|
search_opts=search_opts)
|
|
for snap in snap_l:
|
|
if snap.name.find("found-") != -1:
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(
|
|
[snap.id.encode('utf-8'), snap.name]))
|
|
|
|
f.write("\n")
|
|
f.write('\n%s\n' % ('-' * 80))
|
|
f.write(textwrap.fill(
|
|
"Following volume snapshots are found in Cinder without "
|
|
"backend volumes. If you want to delete them, you can do "
|
|
"so by \"cinder snapshot-delete <id>\" after backend "
|
|
"volumes are restored.", 80))
|
|
f.write("\n\n")
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME']))
|
|
for snap in snaps_no_backend_vol:
|
|
f.write('{0[0]:<40}{0[1]:<50}\n'.format(
|
|
[snap.id.encode('utf-8'), snap.name]))
|
|
|
|
f.write("\n\n")
|
|
|
|
except IOError:
|
|
raise TidyStorageFail("Failed to open file: %s" % result_file)
|
|
|
|
|
|
def main():
|
|
if (len(sys.argv) < 2 or
|
|
sys.argv[1] in ['--help', '-h', '-?']):
|
|
show_help()
|
|
exit(1)
|
|
|
|
log.configure()
|
|
|
|
result_file = sys.argv[1]
|
|
|
|
try:
|
|
open(result_file, 'w')
|
|
except IOError:
|
|
raise TidyStorageFail("Failed to open file: %s" % result_file)
|
|
exit(1)
|
|
|
|
tidy_storage(result_file)
|