157 lines
5.8 KiB
Python
157 lines
5.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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import time
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import urllib
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from tempest.common.rest_client import RestClient
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from tempest import exceptions
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class VolumesClientJSON(RestClient):
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"""
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Client class to send CRUD Volume API requests to a Cinder endpoint
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"""
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def __init__(self, config, username, password, auth_url, tenant_name=None):
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super(VolumesClientJSON, self).__init__(config, username, password,
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auth_url, tenant_name)
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self.service = self.config.volume.catalog_type
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self.build_interval = self.config.volume.build_interval
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self.build_timeout = self.config.volume.build_timeout
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def get_attachment_from_volume(self, volume):
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"""Return the element 'attachment' from input volumes."""
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return volume['attachments'][0]
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def list_volumes(self, params=None):
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"""List all the volumes created."""
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url = 'volumes'
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if params:
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url += '?%s' % urllib.urlencode(params)
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resp, body = self.get(url)
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body = json.loads(body)
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return resp, body['volumes']
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def list_volumes_with_detail(self, params=None):
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"""List the details of all volumes."""
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url = 'volumes/detail'
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if params:
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url += '?%s' % urllib.urlencode(params)
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resp, body = self.get(url)
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body = json.loads(body)
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return resp, body['volumes']
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def get_volume(self, volume_id):
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"""Returns the details of a single volume."""
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url = "volumes/%s" % str(volume_id)
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resp, body = self.get(url)
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body = json.loads(body)
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return resp, body['volume']
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def create_volume(self, size, **kwargs):
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"""
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Creates a new Volume.
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size(Required): Size of volume in GB.
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Following optional keyword arguments are accepted:
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display_name: Optional Volume Name.
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metadata: A dictionary of values to be used as metadata.
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volume_type: Optional Name of volume_type for the volume
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snapshot_id: When specified the volume is created from this snapshot
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imageRef: When specified the volume is created from this image
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"""
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post_body = {'size': size}
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post_body.update(kwargs)
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post_body = json.dumps({'volume': post_body})
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resp, body = self.post('volumes', post_body, self.headers)
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body = json.loads(body)
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return resp, body['volume']
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def update_volume(self, volume_id, **kwargs):
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"""Updates the Specified Volume."""
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put_body = json.dumps({'volume': kwargs})
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resp, body = self.put('volumes/%s' % volume_id, put_body,
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self.headers)
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body = json.loads(body)
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return resp, body['volume']
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def delete_volume(self, volume_id):
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"""Deletes the Specified Volume."""
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return self.delete("volumes/%s" % str(volume_id))
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def upload_volume(self, volume_id, image_name, disk_format):
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"""Uploads a volume in Glance."""
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post_body = {
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'image_name': image_name,
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'disk_format': disk_format
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}
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post_body = json.dumps({'os-volume_upload_image': post_body})
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url = 'volumes/%s/action' % (volume_id)
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resp, body = self.post(url, post_body, self.headers)
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body = json.loads(body)
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return resp, body['os-volume_upload_image']
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def attach_volume(self, volume_id, instance_uuid, mountpoint):
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"""Attaches a volume to a given instance on a given mountpoint."""
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post_body = {
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'instance_uuid': instance_uuid,
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'mountpoint': mountpoint,
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}
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post_body = json.dumps({'os-attach': post_body})
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url = 'volumes/%s/action' % (volume_id)
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resp, body = self.post(url, post_body, self.headers)
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return resp, body
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def detach_volume(self, volume_id):
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"""Detaches a volume from an instance."""
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post_body = {}
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post_body = json.dumps({'os-detach': post_body})
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url = 'volumes/%s/action' % (volume_id)
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resp, body = self.post(url, post_body, self.headers)
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return resp, body
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def wait_for_volume_status(self, volume_id, status):
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"""Waits for a Volume to reach a given status."""
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resp, body = self.get_volume(volume_id)
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volume_name = body['display_name']
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volume_status = body['status']
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start = int(time.time())
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while volume_status != status:
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time.sleep(self.build_interval)
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resp, body = self.get_volume(volume_id)
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volume_status = body['status']
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if volume_status == 'error':
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raise exceptions.VolumeBuildErrorException(volume_id=volume_id)
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if int(time.time()) - start >= self.build_timeout:
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message = ('Volume %s failed to reach %s status within '
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'the required time (%s s).' %
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(volume_name, status, self.build_timeout))
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raise exceptions.TimeoutException(message)
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def is_resource_deleted(self, id):
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try:
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self.get_volume(id)
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except exceptions.NotFound:
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return True
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return False
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