156 lines
5.7 KiB
Python
156 lines
5.7 KiB
Python
# 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 os
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import time
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import uuid
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import novaclient.client
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from novaclient.tests.functional import base
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# TODO(sdague): content that probably should be in utils, also throw
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# Exceptions when they fail.
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def pick_flavor(flavors):
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"""Given a flavor list pick a reasonable one."""
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for flavor in flavors:
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if flavor.name == 'm1.tiny':
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return flavor
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for flavor in flavors:
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if flavor.name == 'm1.small':
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return flavor
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def pick_image(images):
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for image in images:
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if image.name.startswith('cirros') and image.name.endswith('-uec'):
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return image
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def volume_id_from_cli_create(output):
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"""Scrape the volume id out of the 'volume create' command
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The cli for Nova automatically routes requests to the volumes
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service end point. However the nova api low level commands don't
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redirect to the correct service endpoint, so for volumes commands
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(even setup ones) we use the cli for magic routing.
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This function lets us get the id out of the prettytable that's
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dumped on the cli during create.
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"""
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for line in output.split("\n"):
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fields = line.split()
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if len(fields) > 4:
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if fields[1] == "id":
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return fields[3]
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def volume_at_status(output, volume_id, status):
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for line in output.split("\n"):
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fields = line.split()
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if len(fields) > 4:
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if fields[1] == volume_id:
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return fields[3] == status
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raise Exception("Volume %s did not reach status '%s' in output: %s"
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% (volume_id, status, output))
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class TestInstanceCLI(base.ClientTestBase):
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def setUp(self):
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super(TestInstanceCLI, self).setUp()
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# TODO(sdague): while we collect this information in
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# tempest-lib, we do it in a way that's not available for top
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# level tests. Long term this probably needs to be in the base
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# class.
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user = os.environ['OS_USERNAME']
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passwd = os.environ['OS_PASSWORD']
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tenant = os.environ['OS_TENANT_NAME']
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auth_url = os.environ['OS_AUTH_URL']
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# TODO(sdague): we made a lot of fun of the glanceclient team
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# for version as int in first parameter. I guess we know where
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# they copied it from.
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self.client = novaclient.client.Client(
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2, user, passwd, tenant,
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auth_url=auth_url)
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# pick some reasonable flavor / image combo
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self.flavor = pick_flavor(self.client.flavors.list())
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self.image = pick_image(self.client.images.list())
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def test_attach_volume(self):
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"""Test we can attach a volume via the cli.
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This test was added after bug 1423695. That bug exposed
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inconsistencies in how to talk to API services from the CLI
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vs. API level. The volumes api calls that were designed to
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populate the completion cache were incorrectly routed to the
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Nova endpoint. Novaclient volumes support actually talks to
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Cinder endpoint directly.
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This would case volume-attach to return a bad error code,
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however it does this *after* the attach command is correctly
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dispatched. So the volume-attach still works, but the user is
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presented a 404 error.
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This test ensures we can do a through path test of: boot,
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create volume, attach volume, detach volume, delete volume,
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destroy.
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"""
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# TODO(sdague): better random name
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name = str(uuid.uuid4())
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# Boot via the cli, as we're primarily testing the cli in this test
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self.nova('boot', params="--flavor %s --image %s %s --poll" %
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(self.flavor.name, self.image.name, name))
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# Be nice about cleaning up, however, use the API for this to avoid
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# parsing text.
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servers = self.client.servers.list(search_opts={"name": name})
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# the name is a random uuid, there better only be one
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self.assertEqual(1, len(servers), servers)
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server = servers[0]
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self.addCleanup(server.delete)
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# create a volume for attachment. We use the CLI because it
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# magic routes to cinder, however the low level API does not.
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volume_id = volume_id_from_cli_create(
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self.nova('volume-create', params="1"))
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self.addCleanup(self.nova, 'volume-delete', params=volume_id)
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# allow volume to become available
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for x in xrange(60):
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volumes = self.nova('volume-list')
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if volume_at_status(volumes, volume_id, 'available'):
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break
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time.sleep(1)
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else:
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self.fail("Volume %s not available after 60s" % volume_id)
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# attach the volume
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self.nova('volume-attach', params="%s %s" % (name, volume_id))
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# volume needs to transition to 'in-use' to be attached
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for x in xrange(60):
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volumes = self.nova('volume-list')
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if volume_at_status(volumes, volume_id, 'in-use'):
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break
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time.sleep(1)
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else:
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self.fail("Volume %s not attached after 60s" % volume_id)
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# clean up on success
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self.nova('volume-detach', params="%s %s" % (name, volume_id))
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