heat/heat/tests/functional/verify.py

87 lines
2.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# 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 urllib2
import re
import time
# Default retry timeout (seconds) and sleep-time
VERIFY_TIMEOUT = 300
SLEEP_INTERVAL = 10
class VerifyRetry(object):
def __init__(self, timeout=VERIFY_TIMEOUT, interval=SLEEP_INTERVAL):
"""
Decorator to wrap verify operations to retry until timeout
"""
self.timeout = timeout
self.interval = interval
def __call__(self, f):
def fn(*args, **kwargs):
elapsed = 0
result = False
while elapsed < self.timeout and not result:
result = f(*args, **kwargs)
if not result:
print "Failed verify, sleeping for %ss (%s/%s)" %\
(self.interval, elapsed, self.timeout)
time.sleep(self.interval)
elapsed += self.interval
return result
return fn
class VerifyStack:
'''
Class containing helper-functions to prove a stack resource or service
has been created correctly, e.g by accessing the service and checking
the result is as expected
'''
@VerifyRetry()
def verify_url(self, url, timeout, regex):
print "Reading html from %s" % url
try:
content = urllib2.urlopen(url).read()
except:
return False
matches = re.findall(regex, content)
if len(matches):
print "VERIFY : looks OK!"
return True
else:
return False
@VerifyRetry()
def verify_wordpress(self, url, timeout=VERIFY_TIMEOUT):
'''
Verify the url provided has a functional wordpress installation
for now we simply scrape the page and do a regex for an expected
string
'''
WORDPRESS_REGEX = "<p>Welcome to the famous five minute WordPress"
return self.verify_url(url, timeout, WORDPRESS_REGEX)
def verify_openshift(self, url, timeout=VERIFY_TIMEOUT):
OPENSHIFT_REGEX = "<title>Welcome to OpenShift</title>"
return self.verify_url(url, timeout, OPENSHIFT_REGEX)