617 lines
22 KiB
Python
617 lines
22 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010-2011 OpenStack, LLC
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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 hashlib
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import httplib
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import os
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import json
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import unittest
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import stubout
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import webob
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from glance.api import v1 as server
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from glance.registry import server as rserver
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from tests import stubs
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VERBOSE = False
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DEBUG = False
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class TestRegistryAPI(unittest.TestCase):
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def setUp(self):
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"""Establish a clean test environment"""
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self.stubs = stubout.StubOutForTesting()
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stubs.stub_out_registry_and_store_server(self.stubs)
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stubs.stub_out_registry_db_image_api(self.stubs)
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stubs.stub_out_filesystem_backend()
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self.api = rserver.API({'verbose': VERBOSE,
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'debug': DEBUG})
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def tearDown(self):
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"""Clear the test environment"""
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stubs.clean_out_fake_filesystem_backend()
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self.stubs.UnsetAll()
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def test_get_root(self):
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"""Tests that the root registry API returns "index",
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which is a list of public images
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"""
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fixture = {'id': 2,
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'name': 'fake image #2',
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'size': 19,
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'checksum': None}
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req = webob.Request.blank('/')
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res = req.get_response(self.api)
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res_dict = json.loads(res.body)
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self.assertEquals(res.status_int, 200)
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images = res_dict['images']
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self.assertEquals(len(images), 1)
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for k, v in fixture.iteritems():
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self.assertEquals(v, images[0][k])
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def test_get_index(self):
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"""Tests that the /images registry API returns list of
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public images
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"""
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fixture = {'id': 2,
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'name': 'fake image #2',
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'size': 19,
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'checksum': None}
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req = webob.Request.blank('/images')
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res = req.get_response(self.api)
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res_dict = json.loads(res.body)
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self.assertEquals(res.status_int, 200)
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images = res_dict['images']
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self.assertEquals(len(images), 1)
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for k, v in fixture.iteritems():
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self.assertEquals(v, images[0][k])
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def test_get_details(self):
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"""Tests that the /images/detail registry API returns
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a mapping containing a list of detailed image information
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"""
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fixture = {'id': 2,
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'name': 'fake image #2',
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'is_public': True,
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'size': 19,
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'checksum': None,
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'disk_format': 'vhd',
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'container_format': 'ovf',
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'status': 'active'}
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req = webob.Request.blank('/images/detail')
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res = req.get_response(self.api)
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res_dict = json.loads(res.body)
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self.assertEquals(res.status_int, 200)
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images = res_dict['images']
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self.assertEquals(len(images), 1)
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for k, v in fixture.iteritems():
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self.assertEquals(v, images[0][k])
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def test_create_image(self):
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"""Tests that the /images POST registry API creates the image"""
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fixture = {'name': 'fake public image',
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'is_public': True,
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'disk_format': 'vhd',
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'container_format': 'ovf'}
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req = webob.Request.blank('/images')
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req.method = 'POST'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, 200)
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res_dict = json.loads(res.body)
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for k, v in fixture.iteritems():
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self.assertEquals(v, res_dict['image'][k])
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# Test ID auto-assigned properly
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self.assertEquals(3, res_dict['image']['id'])
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# Test status was updated properly
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self.assertEquals('active', res_dict['image']['status'])
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def test_create_image_with_bad_container_format(self):
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"""Tests proper exception is raised if a bad disk_format is set"""
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fixture = {'id': 3,
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'name': 'fake public image',
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'is_public': True,
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'disk_format': 'vhd',
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'container_format': 'invalid'}
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req = webob.Request.blank('/images')
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req.method = 'POST'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid container format' in res.body)
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def test_create_image_with_bad_disk_format(self):
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"""Tests proper exception is raised if a bad disk_format is set"""
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fixture = {'id': 3,
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'name': 'fake public image',
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'is_public': True,
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'disk_format': 'invalid',
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'container_format': 'ovf'}
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req = webob.Request.blank('/images')
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req.method = 'POST'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid disk format' in res.body)
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def test_create_image_with_mismatched_formats(self):
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"""Tests that exception raised for bad matching disk and container
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formats"""
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fixture = {'name': 'fake public image #3',
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'container_format': 'aki',
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'disk_format': 'ari'}
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req = webob.Request.blank('/images')
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req.method = 'POST'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid mix of disk and container formats'
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in res.body)
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def test_create_image_with_bad_status(self):
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"""Tests proper exception is raised if a bad status is set"""
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fixture = {'id': 3,
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'name': 'fake public image',
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'is_public': True,
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'disk_format': 'vhd',
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'container_format': 'ovf',
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'status': 'bad status'}
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req = webob.Request.blank('/images')
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req.method = 'POST'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid image status' in res.body)
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def test_update_image(self):
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"""Tests that the /images PUT registry API updates the image"""
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fixture = {'name': 'fake public image #2',
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'disk_format': 'raw'}
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req = webob.Request.blank('/images/2')
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req.method = 'PUT'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, 200)
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res_dict = json.loads(res.body)
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for k, v in fixture.iteritems():
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self.assertEquals(v, res_dict['image'][k])
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def test_update_image_not_existing(self):
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"""Tests proper exception is raised if attempt to update non-existing
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image"""
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fixture = {'status': 'killed'}
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req = webob.Request.blank('/images/3')
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req.method = 'PUT'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int,
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webob.exc.HTTPNotFound.code)
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def test_update_image_with_bad_status(self):
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"""Tests that exception raised trying to set a bad status"""
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fixture = {'status': 'invalid'}
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req = webob.Request.blank('/images/2')
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req.method = 'PUT'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid image status' in res.body)
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def test_update_image_with_bad_disk_format(self):
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"""Tests that exception raised trying to set a bad disk_format"""
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fixture = {'disk_format': 'invalid'}
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req = webob.Request.blank('/images/2')
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req.method = 'PUT'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid disk format' in res.body)
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def test_update_image_with_bad_container_format(self):
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"""Tests that exception raised trying to set a bad container_format"""
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fixture = {'container_format': 'invalid'}
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req = webob.Request.blank('/images/2')
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req.method = 'PUT'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid container format' in res.body)
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def test_update_image_with_mismatched_formats(self):
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"""Tests that exception raised for bad matching disk and container
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formats"""
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fixture = {'container_format': 'ari'}
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req = webob.Request.blank('/images/2') # Image 2 has disk format 'vhd'
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req.method = 'PUT'
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req.body = json.dumps(dict(image=fixture))
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid mix of disk and container formats'
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in res.body)
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def test_delete_image(self):
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"""Tests that the /images DELETE registry API deletes the image"""
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# Grab the original number of images
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req = webob.Request.blank('/images')
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res = req.get_response(self.api)
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res_dict = json.loads(res.body)
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self.assertEquals(res.status_int, 200)
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orig_num_images = len(res_dict['images'])
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# Delete image #2
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req = webob.Request.blank('/images/2')
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req.method = 'DELETE'
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, 200)
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# Verify one less image
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req = webob.Request.blank('/images')
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res = req.get_response(self.api)
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res_dict = json.loads(res.body)
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self.assertEquals(res.status_int, 200)
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new_num_images = len(res_dict['images'])
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self.assertEquals(new_num_images, orig_num_images - 1)
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def test_delete_image_not_existing(self):
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"""Tests proper exception is raised if attempt to delete non-existing
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image"""
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req = webob.Request.blank('/images/3')
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req.method = 'DELETE'
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res = req.get_response(self.api)
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self.assertEquals(res.status_int,
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webob.exc.HTTPNotFound.code)
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class TestGlanceAPI(unittest.TestCase):
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def setUp(self):
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"""Establish a clean test environment"""
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self.stubs = stubout.StubOutForTesting()
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stubs.stub_out_registry_and_store_server(self.stubs)
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stubs.stub_out_registry_db_image_api(self.stubs)
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stubs.stub_out_filesystem_backend()
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sql_connection = os.environ.get('GLANCE_SQL_CONNECTION', "sqlite://")
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options = {'verbose': VERBOSE,
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'debug': DEBUG,
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'registry_host': '0.0.0.0',
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'registry_port': '9191',
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'sql_connection': sql_connection,
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'default_store': 'file',
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'filesystem_store_datadir': stubs.FAKE_FILESYSTEM_ROOTDIR}
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self.api = server.API(options)
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def tearDown(self):
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"""Clear the test environment"""
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stubs.clean_out_fake_filesystem_backend()
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self.stubs.UnsetAll()
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def test_bad_disk_format(self):
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fixture_headers = {'x-image-meta-store': 'bad',
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'x-image-meta-name': 'bogus',
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'x-image-meta-location': 'http://example.com/image.tar.gz',
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'x-image-meta-disk-format': 'invalid',
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'x-image-meta-container-format': 'ami'}
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req = webob.Request.blank("/images")
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req.method = 'POST'
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for k, v in fixture_headers.iteritems():
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req.headers[k] = v
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid disk format' in res.body, res.body)
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def test_bad_container_format(self):
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fixture_headers = {'x-image-meta-store': 'bad',
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'x-image-meta-name': 'bogus',
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'x-image-meta-location': 'http://example.com/image.tar.gz',
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'x-image-meta-disk-format': 'vhd',
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'x-image-meta-container-format': 'invalid'}
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req = webob.Request.blank("/images")
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req.method = 'POST'
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for k, v in fixture_headers.iteritems():
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req.headers[k] = v
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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self.assertTrue('Invalid container format' in res.body)
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def test_add_image_no_location_no_image_as_body(self):
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"""Tests creates a queued image for no body and no loc header"""
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fixture_headers = {'x-image-meta-store': 'file',
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'x-image-meta-disk-format': 'vhd',
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'x-image-meta-container-format': 'ovf',
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'x-image-meta-name': 'fake image #3'}
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req = webob.Request.blank("/images")
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req.method = 'POST'
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for k, v in fixture_headers.iteritems():
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req.headers[k] = v
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, httplib.CREATED)
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res_body = json.loads(res.body)['image']
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self.assertEquals('queued', res_body['status'])
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def test_add_image_bad_store(self):
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"""Tests raises BadRequest for invalid store header"""
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fixture_headers = {'x-image-meta-store': 'bad',
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'x-image-meta-name': 'fake image #3'}
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req = webob.Request.blank("/images")
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req.method = 'POST'
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for k, v in fixture_headers.iteritems():
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req.headers[k] = v
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req.headers['Content-Type'] = 'application/octet-stream'
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req.body = "chunk00000remainder"
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
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def test_add_image_basic_file_store(self):
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"""Tests to add a basic image in the file store"""
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fixture_headers = {'x-image-meta-store': 'file',
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'x-image-meta-disk-format': 'vhd',
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'x-image-meta-container-format': 'ovf',
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'x-image-meta-name': 'fake image #3'}
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req = webob.Request.blank("/images")
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req.method = 'POST'
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for k, v in fixture_headers.iteritems():
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req.headers[k] = v
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req.headers['Content-Type'] = 'application/octet-stream'
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req.body = "chunk00000remainder"
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, httplib.CREATED)
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res_body = json.loads(res.body)['image']
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self.assertEquals(res_body['location'],
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'file:///tmp/glance-tests/3')
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# Test that the Location: header is set to the URI to
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# edit the newly-created image, as required by APP.
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# See LP Bug #719825
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self.assertTrue('location' in res.headers,
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"'location' not in response headers.\n"
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"res.headerlist = %r" % res.headerlist)
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self.assertTrue('/images/3' in res.headers['location'])
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def test_image_is_checksummed(self):
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"""Test that the image contents are checksummed properly"""
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fixture_headers = {'x-image-meta-store': 'file',
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'x-image-meta-disk-format': 'vhd',
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'x-image-meta-container-format': 'ovf',
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'x-image-meta-name': 'fake image #3'}
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image_contents = "chunk00000remainder"
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image_checksum = hashlib.md5(image_contents).hexdigest()
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req = webob.Request.blank("/images")
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req.method = 'POST'
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for k, v in fixture_headers.iteritems():
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req.headers[k] = v
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req.headers['Content-Type'] = 'application/octet-stream'
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req.body = image_contents
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res = req.get_response(self.api)
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self.assertEquals(res.status_int, httplib.CREATED)
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res_body = json.loads(res.body)['image']
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self.assertEquals(res_body['location'],
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'file:///tmp/glance-tests/3')
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self.assertEquals(image_checksum, res_body['checksum'],
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"Mismatched checksum. Expected %s, got %s" %
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(image_checksum, res_body['checksum']))
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def test_etag_equals_checksum_header(self):
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"""Test that the ETag header matches the x-image-meta-checksum"""
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fixture_headers = {'x-image-meta-store': 'file',
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'x-image-meta-disk-format': 'vhd',
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'x-image-meta-container-format': 'ovf',
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'x-image-meta-name': 'fake image #3'}
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image_contents = "chunk00000remainder"
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image_checksum = hashlib.md5(image_contents).hexdigest()
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req = webob.Request.blank("/images")
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req.method = 'POST'
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for k, v in fixture_headers.iteritems():
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req.headers[k] = v
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req.headers['Content-Type'] = 'application/octet-stream'
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req.body = image_contents
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res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, httplib.CREATED)
|
|
|
|
# HEAD the image and check the ETag equals the checksum header...
|
|
expected_headers = {'x-image-meta-checksum': image_checksum,
|
|
'etag': image_checksum}
|
|
req = webob.Request.blank("/images/3")
|
|
req.method = 'HEAD'
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, 200)
|
|
|
|
for key in expected_headers.keys():
|
|
self.assertTrue(key in res.headers,
|
|
"required header '%s' missing from "
|
|
"returned headers" % key)
|
|
for key, value in expected_headers.iteritems():
|
|
self.assertEquals(value, res.headers[key])
|
|
|
|
def test_bad_checksum_kills_image(self):
|
|
"""Test that the image contents are checksummed properly"""
|
|
image_contents = "chunk00000remainder"
|
|
bad_checksum = hashlib.md5("invalid").hexdigest()
|
|
fixture_headers = {'x-image-meta-store': 'file',
|
|
'x-image-meta-disk-format': 'vhd',
|
|
'x-image-meta-container-format': 'ovf',
|
|
'x-image-meta-name': 'fake image #3',
|
|
'x-image-meta-checksum': bad_checksum}
|
|
|
|
req = webob.Request.blank("/images")
|
|
req.method = 'POST'
|
|
for k, v in fixture_headers.iteritems():
|
|
req.headers[k] = v
|
|
|
|
req.headers['Content-Type'] = 'application/octet-stream'
|
|
req.body = image_contents
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, webob.exc.HTTPBadRequest.code)
|
|
|
|
# Test the image was killed...
|
|
expected_headers = {'x-image-meta-id': '3',
|
|
'x-image-meta-status': 'killed'}
|
|
req = webob.Request.blank("/images/3")
|
|
req.method = 'HEAD'
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, 200)
|
|
|
|
for key, value in expected_headers.iteritems():
|
|
self.assertEquals(value, res.headers[key])
|
|
|
|
def test_image_meta(self):
|
|
"""Test for HEAD /images/<ID>"""
|
|
expected_headers = {'x-image-meta-id': '2',
|
|
'x-image-meta-name': 'fake image #2'}
|
|
req = webob.Request.blank("/images/2")
|
|
req.method = 'HEAD'
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, 200)
|
|
|
|
for key, value in expected_headers.iteritems():
|
|
self.assertEquals(value, res.headers[key])
|
|
|
|
def test_show_image_basic(self):
|
|
req = webob.Request.blank("/images/2")
|
|
res = req.get_response(self.api)
|
|
self.assertEqual('chunk00000remainder', res.body)
|
|
|
|
def test_show_non_exists_image(self):
|
|
req = webob.Request.blank("/images/42")
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, webob.exc.HTTPNotFound.code)
|
|
|
|
def test_delete_image(self):
|
|
req = webob.Request.blank("/images/2")
|
|
req.method = 'DELETE'
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, 200)
|
|
|
|
req = webob.Request.blank("/images/2")
|
|
req.method = 'GET'
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, webob.exc.HTTPNotFound.code,
|
|
res.body)
|
|
|
|
def test_delete_non_exists_image(self):
|
|
req = webob.Request.blank("/images/42")
|
|
req.method = 'DELETE'
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, webob.exc.HTTPNotFound.code)
|
|
|
|
def test_delete_queued_image(self):
|
|
"""
|
|
Here, we try to delete an image that is in the queued state.
|
|
Bug #747799 demonstrated that trying to DELETE an image
|
|
that had had its save process killed manually results in failure
|
|
because the location attribute is None.
|
|
"""
|
|
# Add an image the way that glance-upload adds an image...
|
|
# by reserving a place in the database for an image without
|
|
# really any attributes or information on the image and then
|
|
# later doing an update with the image body and other attributes.
|
|
# We will stop the process after the reservation stage, then
|
|
# try to delete the image.
|
|
fixture_headers = {'x-image-meta-store': 'file',
|
|
'x-image-meta-name': 'fake image #3'}
|
|
|
|
req = webob.Request.blank("/images")
|
|
req.method = 'POST'
|
|
for k, v in fixture_headers.iteritems():
|
|
req.headers[k] = v
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, httplib.CREATED)
|
|
|
|
res_body = json.loads(res.body)['image']
|
|
self.assertEquals('queued', res_body['status'])
|
|
|
|
# Now try to delete the image...
|
|
req = webob.Request.blank("/images/3")
|
|
req.method = 'DELETE'
|
|
res = req.get_response(self.api)
|
|
self.assertEquals(res.status_int, 200)
|