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# Copyright 2014 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# 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.
"""Tests for `glance.wsgi`."""
import http.client as http
import os
import socket
import time
from oslo_serialization import jsonutils
from oslo_utils.fixture import uuidsentinel as uuids
import requests
from glance.common import wsgi
from glance.tests import functional
class TestWSGIServer(functional.FunctionalTest):
"""WSGI server tests."""
def test_client_socket_timeout(self):
self.config(workers=0)
self.config(client_socket_timeout=1)
"""Verify connections are timed out as per 'client_socket_timeout'"""
greetings = b'Hello, World!!!'
def hello_world(env, start_response):
start_response('200 OK', [('Content-Type', 'text/plain')])
return [greetings]
server = wsgi.Server()
server.start(hello_world, 0)
port = server.sock.getsockname()[1]
def get_request(delay=0.0):
# Socket timeouts are handled rather inconsistently on Windows.
# recv may either return nothing OR raise a ConnectionAbortedError.
exp_exc = OSError if os.name == 'nt' else ()
try:
sock = socket.socket()
sock.connect(('127.0.0.1', port))
time.sleep(delay)
sock.send(b'GET / HTTP/1.1\r\nHost: localhost\r\n\r\n')
return sock.recv(1024)
except exp_exc:
return None
# Should succeed - no timeout
self.assertIn(greetings, get_request())
# Should fail - connection timed out so we get nothing from the server
self.assertFalse(get_request(delay=1.1))
class StagingCleanupBase:
def _configure_api_server(self):
self.my_api_server.deployment_flavor = 'noauth'
self.my_api_server.send_identity_credentials = True
def _url(self, path):
return 'http://127.0.0.1:%d%s' % (self.api_port, path)
def _headers(self, custom_headers=None):
base_headers = {
'X-Identity-Status': 'Confirmed',
'X-Auth-Token': '932c5c84-02ac-4fe5-a9ba-620af0e2bb96',
'X-User-Id': 'f9a41d13-0c13-47e9-bee2-ce4e8bfe958e',
'X-Tenant-Id': uuids.tenant1,
'X-Roles': 'reader,member',
}
base_headers.update(custom_headers or {})
return base_headers
def test_clean_on_start(self):
staging = os.path.join(self.test_dir, 'staging')
# Start the server
self.start_servers(**self.__dict__.copy())
# Create an image
path = self._url('/v2/images')
headers = self._headers({'content-type': 'application/json'})
data = jsonutils.dumps({'name': 'image-1', 'type': 'kernel',
'disk_format': 'aki',
'container_format': 'aki'})
response = requests.post(path, headers=headers, data=data)
self.assertEqual(http.CREATED, response.status_code)
image = jsonutils.loads(response.text)
image_id = image['id']
# Stage data for the image
path = self._url('/v2/images/%s/stage' % image_id)
headers = self._headers({'Content-Type': 'application/octet-stream'})
image_data = b'ZZZZZ'
response = requests.put(path, headers=headers, data=image_data)
self.assertEqual(http.NO_CONTENT, response.status_code)
# Stop the server
self.my_api_server.stop()
# Create more files in staging, one unrecognized one, and one
# uuid that matches nothing in the database, and some residue
# like we would see from failed conversions and decompressions
# for the image we created above.
open(os.path.join(staging, 'foo'), 'w')
open(os.path.join(staging, uuids.stale), 'w')
open(os.path.join(staging, uuids.converting), 'w')
converting_fn = os.path.join(staging, '%s.qcow2' % uuids.converting)
decompressing_fn = os.path.join(staging, '%s.uc' % uuids.decompressing)
open(converting_fn, 'w')
open(decompressing_fn, 'w')
# Restart the server. We set "needs_database" to False here to avoid
# recreating the database during startup, thus causing the server to
# think there are no valid images and deleting everything.
self.my_api_server.needs_database = False
self.start_with_retry(self.my_api_server,
'api_port', 3, **self.__dict__.copy())
# Poll to give it time to come up and do the work. Use the presence
# of the extra files to determine if the cleanup has run yet.
for i in range(0, 10):
try:
requests.get(self._url('/v2/images'))
except Exception:
# Not even answering queries yet
pass
else:
files = os.listdir(staging)
if len(files) == 2:
break
time.sleep(1)
# We should still find the not-an-image file...
self.assertTrue(os.path.exists(os.path.join(staging, 'foo')))
# ...and make sure the actually-staged image file is still present....
self.assertTrue(os.path.exists(os.path.join(staging, image_id)))
# ... but the stale image should be gone,
self.assertFalse(os.path.exists(os.path.join(staging,
uuids.stale)))
# ... along with the residue of the conversion ...
self.assertFalse(os.path.exists(converting_fn))
# ... and the residue of the decompression.
self.assertFalse(os.path.exists(decompressing_fn))
self.stop_servers()
class TestStagingCleanupMultistore(functional.MultipleBackendFunctionalTest,
StagingCleanupBase):
"""Test for staging store cleanup on API server startup.
This tests the multistore case.
"""
def setUp(self):
super(TestStagingCleanupMultistore, self).setUp()
self.my_api_server = self.api_server_multiple_backend
self._configure_api_server()
class TestStagingCleanupSingleStore(functional.FunctionalTest,
StagingCleanupBase):
"""Test for staging store cleanup on API server startup.
This tests the single store case.
"""
def setUp(self):
super(TestStagingCleanupSingleStore, self).setUp()
self.my_api_server = self.api_server
self._configure_api_server()
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