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| -rw-r--r-- | novaclient/tests/functional/test_instances.py | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/novaclient/tests/functional/test_instances.py b/novaclient/tests/functional/test_instances.py new file mode 100644 index 00000000..c963a6b7 --- /dev/null +++ b/novaclient/tests/functional/test_instances.py @@ -0,0 +1,155 @@ +# 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 time +import uuid + +import novaclient.client +from novaclient.tests.functional import base + + +# TODO(sdague): content that probably should be in utils, also throw +# Exceptions when they fail. +def pick_flavor(flavors): + """Given a flavor list pick a reasonable one.""" + for flavor in flavors: + if flavor.name == 'm1.tiny': + return flavor + + for flavor in flavors: + if flavor.name == 'm1.small': + return flavor + + +def pick_image(images): + for image in images: + if image.name.startswith('cirros') and image.name.endswith('-uec'): + return image + + +def volume_id_from_cli_create(output): + """Scrape the volume id out of the 'volume create' command + + The cli for Nova automatically routes requests to the volumes + service end point. However the nova api low level commands don't + redirect to the correct service endpoint, so for volumes commands + (even setup ones) we use the cli for magic routing. + + This function lets us get the id out of the prettytable that's + dumped on the cli during create. + + """ + for line in output.split("\n"): + fields = line.split() + if len(fields) > 4: + if fields[1] == "id": + return fields[3] + + +def volume_at_status(output, volume_id, status): + for line in output.split("\n"): + fields = line.split() + if len(fields) > 4: + if fields[1] == volume_id: + return fields[3] == status + raise Exception("Volume %s did not reach status '%s' in output: %s" + % (volume_id, status, output)) + + +class TestInstanceCLI(base.ClientTestBase): + def setUp(self): + super(TestInstanceCLI, self).setUp() + # TODO(sdague): while we collect this information in + # tempest-lib, we do it in a way that's not available for top + # level tests. Long term this probably needs to be in the base + # class. + user = os.environ['OS_USERNAME'] + passwd = os.environ['OS_PASSWORD'] + tenant = os.environ['OS_TENANT_NAME'] + auth_url = os.environ['OS_AUTH_URL'] + + # TODO(sdague): we made a lot of fun of the glanceclient team + # for version as int in first parameter. I guess we know where + # they copied it from. + self.client = novaclient.client.Client( + 2, user, passwd, tenant, + auth_url=auth_url) + + # pick some reasonable flavor / image combo + self.flavor = pick_flavor(self.client.flavors.list()) + self.image = pick_image(self.client.images.list()) + + def test_attach_volume(self): + """Test we can attach a volume via the cli. + + This test was added after bug 1423695. That bug exposed + inconsistencies in how to talk to API services from the CLI + vs. API level. The volumes api calls that were designed to + populate the completion cache were incorrectly routed to the + Nova endpoint. Novaclient volumes support actually talks to + Cinder endpoint directly. + + This would case volume-attach to return a bad error code, + however it does this *after* the attach command is correctly + dispatched. So the volume-attach still works, but the user is + presented a 404 error. + + This test ensures we can do a through path test of: boot, + create volume, attach volume, detach volume, delete volume, + destroy. + + """ + # TODO(sdague): better random name + name = str(uuid.uuid4()) + + # Boot via the cli, as we're primarily testing the cli in this test + self.nova('boot', params="--flavor %s --image %s %s --poll" % + (self.flavor.name, self.image.name, name)) + + # Be nice about cleaning up, however, use the API for this to avoid + # parsing text. + servers = self.client.servers.list(search_opts={"name": name}) + # the name is a random uuid, there better only be one + self.assertEqual(1, len(servers), servers) + server = servers[0] + self.addCleanup(server.delete) + + # create a volume for attachment. We use the CLI because it + # magic routes to cinder, however the low level API does not. + volume_id = volume_id_from_cli_create( + self.nova('volume-create', params="1")) + self.addCleanup(self.nova, 'volume-delete', params=volume_id) + + # allow volume to become available + for x in xrange(60): + volumes = self.nova('volume-list') + if volume_at_status(volumes, volume_id, 'available'): + break + time.sleep(1) + else: + self.fail("Volume %s not available after 60s" % volume_id) + + # attach the volume + self.nova('volume-attach', params="%s %s" % (name, volume_id)) + + # volume needs to transition to 'in-use' to be attached + for x in xrange(60): + volumes = self.nova('volume-list') + if volume_at_status(volumes, volume_id, 'in-use'): + break + time.sleep(1) + else: + self.fail("Volume %s not attached after 60s" % volume_id) + + # clean up on success + self.nova('volume-detach', params="%s %s" % (name, volume_id)) |