tempest/tempest/services/volume/json/snapshots_client.py

193 lines
7.1 KiB
Python

# 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 json
import time
import urllib
from tempest.common.rest_client import RestClient
from tempest import config
from tempest import exceptions
from tempest.openstack.common import log as logging
CONF = config.CONF
LOG = logging.getLogger(__name__)
class SnapshotsClientJSON(RestClient):
"""Client class to send CRUD Volume API requests."""
def __init__(self, auth_provider):
super(SnapshotsClientJSON, self).__init__(auth_provider)
self.service = CONF.volume.catalog_type
self.build_interval = CONF.volume.build_interval
self.build_timeout = CONF.volume.build_timeout
def list_snapshots(self, params=None):
"""List all the snapshot."""
url = 'snapshots'
if params:
url += '?%s' % urllib.urlencode(params)
resp, body = self.get(url)
body = json.loads(body)
return resp, body['snapshots']
def list_snapshots_with_detail(self, params=None):
"""List the details of all snapshots."""
url = 'snapshots/detail'
if params:
url += '?%s' % urllib.urlencode(params)
resp, body = self.get(url)
body = json.loads(body)
return resp, body['snapshots']
def get_snapshot(self, snapshot_id):
"""Returns the details of a single snapshot."""
url = "snapshots/%s" % str(snapshot_id)
resp, body = self.get(url)
body = json.loads(body)
return resp, body['snapshot']
def create_snapshot(self, volume_id, **kwargs):
"""
Creates a new snapshot.
volume_id(Required): id of the volume.
force: Create a snapshot even if the volume attached (Default=False)
display_name: Optional snapshot Name.
display_description: User friendly snapshot description.
"""
post_body = {'volume_id': volume_id}
post_body.update(kwargs)
post_body = json.dumps({'snapshot': post_body})
resp, body = self.post('snapshots', post_body)
body = json.loads(body)
return resp, body['snapshot']
def update_snapshot(self, snapshot_id, **kwargs):
"""Updates a snapshot."""
put_body = json.dumps({'snapshot': kwargs})
resp, body = self.put('snapshots/%s' % snapshot_id, put_body)
body = json.loads(body)
return resp, body['snapshot']
# NOTE(afazekas): just for the wait function
def _get_snapshot_status(self, snapshot_id):
resp, body = self.get_snapshot(snapshot_id)
status = body['status']
# NOTE(afazekas): snapshot can reach an "error"
# state in a "normal" lifecycle
if (status == 'error'):
raise exceptions.SnapshotBuildErrorException(
snapshot_id=snapshot_id)
return status
# NOTE(afazkas): Wait reinvented again. It is not in the correct layer
def wait_for_snapshot_status(self, snapshot_id, status):
"""Waits for a Snapshot to reach a given status."""
start_time = time.time()
old_value = value = self._get_snapshot_status(snapshot_id)
while True:
dtime = time.time() - start_time
time.sleep(self.build_interval)
if value != old_value:
LOG.info('Value transition from "%s" to "%s"'
'in %d second(s).', old_value,
value, dtime)
if (value == status):
return value
if dtime > self.build_timeout:
message = ('Time Limit Exceeded! (%ds)'
'while waiting for %s, '
'but we got %s.' %
(self.build_timeout, status, value))
raise exceptions.TimeoutException(message)
time.sleep(self.build_interval)
old_value = value
value = self._get_snapshot_status(snapshot_id)
def delete_snapshot(self, snapshot_id):
"""Delete Snapshot."""
return self.delete("snapshots/%s" % str(snapshot_id))
def is_resource_deleted(self, id):
try:
self.get_snapshot(id)
except exceptions.NotFound:
return True
return False
def reset_snapshot_status(self, snapshot_id, status):
"""Reset the specified snapshot's status."""
post_body = json.dumps({'os-reset_status': {"status": status}})
resp, body = self.post('snapshots/%s/action' % snapshot_id, post_body)
return resp, body
def update_snapshot_status(self, snapshot_id, status, progress):
"""Update the specified snapshot's status."""
post_body = {
'status': status,
'progress': progress
}
post_body = json.dumps({'os-update_snapshot_status': post_body})
url = 'snapshots/%s/action' % str(snapshot_id)
resp, body = self.post(url, post_body)
return resp, body
def create_snapshot_metadata(self, snapshot_id, metadata):
"""Create metadata for the snapshot."""
put_body = json.dumps({'metadata': metadata})
url = "snapshots/%s/metadata" % str(snapshot_id)
resp, body = self.post(url, put_body)
body = json.loads(body)
return resp, body['metadata']
def get_snapshot_metadata(self, snapshot_id):
"""Get metadata of the snapshot."""
url = "snapshots/%s/metadata" % str(snapshot_id)
resp, body = self.get(url)
body = json.loads(body)
return resp, body['metadata']
def update_snapshot_metadata(self, snapshot_id, metadata):
"""Update metadata for the snapshot."""
put_body = json.dumps({'metadata': metadata})
url = "snapshots/%s/metadata" % str(snapshot_id)
resp, body = self.put(url, put_body)
body = json.loads(body)
return resp, body['metadata']
def update_snapshot_metadata_item(self, snapshot_id, id, meta_item):
"""Update metadata item for the snapshot."""
put_body = json.dumps({'meta': meta_item})
url = "snapshots/%s/metadata/%s" % (str(snapshot_id), str(id))
resp, body = self.put(url, put_body)
body = json.loads(body)
return resp, body['meta']
def delete_snapshot_metadata_item(self, snapshot_id, id):
"""Delete metadata item for the snapshot."""
url = "snapshots/%s/metadata/%s" % (str(snapshot_id), str(id))
resp, body = self.delete(url)
return resp, body
def force_delete_snapshot(self, snapshot_id):
"""Force Delete Snapshot."""
post_body = json.dumps({'os-force_delete': {}})
resp, body = self.post('snapshots/%s/action' % snapshot_id, post_body)
return resp, body