1a1dc0a79e
Add zaza tests for charm glance when cinder is configured as storage backend. Related-Bug: LP#1905042 Co-authored-by: Hemanth Nakkina <hemanth.nakkina@canonical.com>
269 lines
10 KiB
Python
269 lines
10 KiB
Python
#!/usr/bin/env python3
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# Copyright 2018 Canonical Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Encapsulate glance testing."""
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import logging
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import math
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import boto3
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import zaza.model as model
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import zaza.openstack.charm_tests.test_utils as test_utils
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import zaza.openstack.utilities.openstack as openstack_utils
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class GlanceTest(test_utils.OpenStackBaseTest):
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"""Encapsulate glance tests."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running glance tests."""
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super(GlanceTest, cls).setUpClass()
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cls.glance_client = openstack_utils.get_glance_session_client(
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cls.keystone_session)
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def test_410_glance_image_create_delete(self):
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"""Create an image and then delete it."""
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image_url = openstack_utils.find_cirros_image(arch='x86_64')
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image = openstack_utils.create_image(
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self.glance_client,
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image_url,
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'cirrosimage')
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openstack_utils.delete_image(self.glance_client, image.id)
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def test_411_set_disk_format(self):
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"""Change disk format and check.
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Change disk format and assert that change propagates to the correct
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file and that services are restarted as a result
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"""
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# Expected default and alternate values
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set_default = {
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'disk-formats': 'ami,ari,aki,vhd,vmdk,raw,qcow2,vdi,iso,root-tar'}
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set_alternate = {'disk-formats': 'qcow2'}
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# Config file affected by juju set config change
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conf_file = '/etc/glance/glance-api.conf'
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# Make config change, check for service restarts
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logging.debug('Setting disk format glance...')
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self.restart_on_changed(
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conf_file,
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set_default,
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set_alternate,
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{'image_format': {
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'disk_formats': [
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'ami,ari,aki,vhd,vmdk,raw,qcow2,vdi,iso,root-tar']}},
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{'image_format': {'disk_formats': ['qcow2']}},
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['glance-api'])
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def test_412_image_conversion(self):
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"""Check image-conversion config.
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When image-conversion config is enabled glance will convert images
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to raw format, this is only performed for interoperable image import
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docs.openstack.org/glance/train/admin/interoperable-image-import.html
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image conversion is done at server-side for better image handling
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"""
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current_release = openstack_utils.get_os_release()
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bionic_stein = openstack_utils.get_os_release('bionic_stein')
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if current_release < bionic_stein:
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self.skipTest('image-conversion config is supported since '
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'bionic_stein or newer versions')
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with self.config_change({'image-conversion': 'false'},
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{'image-conversion': 'true'}):
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image_url = openstack_utils.find_cirros_image(arch='x86_64')
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image = openstack_utils.create_image(
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self.glance_client,
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image_url,
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'cirros-test-import',
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force_import=True)
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disk_format = self.glance_client.images.get(image.id).disk_format
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self.assertEqual('raw', disk_format)
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def test_900_restart_on_config_change(self):
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"""Checking restart happens on config change."""
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# Config file affected by juju set config change
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conf_file = '/etc/glance/glance-api.conf'
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# Services which are expected to restart upon config change
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services = {'glance-api': conf_file}
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current_release = openstack_utils.get_os_release()
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bionic_stein = openstack_utils.get_os_release('bionic_stein')
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if current_release < bionic_stein:
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services.update({'glance-registry': conf_file})
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# Make config change, check for service restarts
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logging.info('changing debug config')
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self.restart_on_changed_debug_oslo_config_file(
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conf_file,
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services)
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def test_901_pause_resume(self):
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"""Run pause and resume tests.
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Pause service and check services are stopped then resume and check
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they are started
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"""
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self.pause_resume(['glance-api'])
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class GlanceCephRGWBackendTest(test_utils.OpenStackBaseTest):
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"""Encapsulate glance tests using the Ceph RGW backend.
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It validates the Ceph RGW backend in glance, which uses the Swift API.
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"""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running glance tests."""
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super(GlanceCephRGWBackendTest, cls).setUpClass()
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swift_session = openstack_utils.get_keystone_session_from_relation(
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'ceph-radosgw')
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cls.swift = openstack_utils.get_swift_session_client(
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swift_session)
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cls.glance_client = openstack_utils.get_glance_session_client(
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cls.keystone_session)
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def test_100_create_image(self):
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"""Create an image and do a simple validation of it.
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The OpenStack Swift API is used to do the validation, since the Ceph
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Rados Gateway serves an API which is compatible with that.
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"""
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image_name = 'zaza-ceph-rgw-image'
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openstack_utils.create_image(
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glance=self.glance_client,
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image_url=openstack_utils.find_cirros_image(arch='x86_64'),
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image_name=image_name,
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backend='swift')
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headers, containers = self.swift.get_account()
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self.assertEqual(len(containers), 1)
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container_name = containers[0].get('name')
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headers, objects = self.swift.get_container(container_name)
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images = openstack_utils.get_images_by_name(
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self.glance_client,
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image_name)
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self.assertEqual(len(images), 1)
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image = images[0]
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total_bytes = 0
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for ob in objects:
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if '{}-'.format(image['id']) in ob['name']:
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total_bytes = total_bytes + int(ob['bytes'])
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logging.info(
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'Checking glance image size {} matches swift '
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'image size {}'.format(image['size'], total_bytes))
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self.assertEqual(image['size'], total_bytes)
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openstack_utils.delete_image(self.glance_client, image['id'])
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class GlanceExternalS3Test(test_utils.OpenStackBaseTest):
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"""Encapsulate glance tests using an external S3 backend."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running glance tests with S3 backend."""
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super(GlanceExternalS3Test, cls).setUpClass()
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cls.glance_client = openstack_utils.get_glance_session_client(
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cls.keystone_session
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)
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configs = model.get_application_config("glance")
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cls.s3_store_host = configs["s3-store-host"]["value"]
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cls.s3_store_access_key = configs["s3-store-access-key"]["value"]
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cls.s3_store_secret_key = configs["s3-store-secret-key"]["value"]
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cls.s3_store_bucket = configs["s3-store-bucket"]["value"]
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def test_100_create_delete_image(self):
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"""Create an image and do a simple validation of it.
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Validate the size of the image in both Glance API and actual S3 bucket.
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"""
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image_name = "zaza-s3-test-image"
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openstack_utils.create_image(
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glance=self.glance_client,
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image_url=openstack_utils.find_cirros_image(arch="x86_64"),
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image_name=image_name,
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backend="s3",
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)
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images = openstack_utils.get_images_by_name(
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self.glance_client, image_name
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)
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self.assertEqual(len(images), 1)
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image = images[0]
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s3_client = boto3.client(
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"s3",
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endpoint_url=self.s3_store_host,
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aws_access_key_id=self.s3_store_access_key,
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aws_secret_access_key=self.s3_store_secret_key,
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)
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response = s3_client.head_object(
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Bucket=self.s3_store_bucket, Key=image["id"]
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)
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logging.info(
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"Checking glance image size {} matches S3 object's ContentLength "
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"{}".format(image["size"], response["ContentLength"])
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)
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self.assertEqual(image["size"], response["ContentLength"])
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openstack_utils.delete_image(self.glance_client, image["id"])
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class GlanceCinderBackendTest(test_utils.OpenStackBaseTest):
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"""Encapsulate glance tests using cinder backend."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running glance tests with cinder backend."""
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super(GlanceCinderBackendTest, cls).setUpClass()
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cls.glance_client = openstack_utils.get_glance_session_client(
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cls.keystone_session)
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cls.cinder_client = openstack_utils.get_cinder_session_client(
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cls.keystone_session)
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def test_100_create_delete_image(self):
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"""Create an image and do a simple validation of it.
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Validate the size of the image in both Glance API and Cinder API.
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"""
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image_name = "zaza-cinder-test-image"
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openstack_utils.create_image(
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glance=self.glance_client,
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image_url=openstack_utils.find_cirros_image(arch="x86_64"),
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image_name=image_name,
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backend="cinder",
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)
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images = openstack_utils.get_images_by_name(
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self.glance_client, image_name)
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self.assertEqual(len(images), 1)
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image = images[0]
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volume_name = 'image-'+image["id"]
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volumes = openstack_utils.get_volumes_by_name(
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self.cinder_client, volume_name)
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self.assertEqual(len(volumes), 1)
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volume = volumes[0]
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logging.info(
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"Checking glance image size {} matches volume size {} "
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"GB".format(image["size"], volume.size))
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image_size_in_gb = int(math.ceil(float(image["size"]) / 1024 ** 3))
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self.assertEqual(image_size_in_gb, volume.size)
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openstack_utils.delete_image(self.glance_client, image["id"])
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