Description of problem:
When you call oschecks-check_glance_api, it doesn't works.

Version-Release number of selected component (if applicable):
osops-tools-monitoring-oschecks-0.1-0.5.a9d3fdagit.el7ost.noarch
python-glanceclient-1.1.1-1.el7ost.noarch


How reproducible:


Steps to Reproduce:
1. yum install osops-tools-monitoring-oschecks-0.1-0.5.a9d3fdagit.el7ost.noarch
2. source stackrc
3. /usr/libexec/openstack-monitoring/checks/oschecks-check_glance_api

Actual results:
CRITICAL: Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/oschecks/utils.py", line 110, in safe_run
    method()
  File "/usr/lib/python2.7/site-packages/oschecks/glance.py", line 30, in _check_glance_api
    options, args, client = glance.setup()
  File "/usr/lib/python2.7/site-packages/oschecks/utils.py", line 171, in setup
    client = self.glance._get_versioned_client(api_version, options)
  File "/usr/lib/python2.7/site-packages/glanceclient/shell.py", line 542, in _get_versioned_client
    return glanceclient.Client(api_version, endpoint, **kwargs)
  File "/usr/lib/python2.7/site-packages/glanceclient/client.py", line 50, in Client
    endpoint, url_version = utils.strip_version(endpoint)
  File "/usr/lib/python2.7/site-packages/glanceclient/common/utils.py", line 401, in strip_version
    raise ValueError("Expected endpoint")
ValueError: Expected endpoint

Expected results:
OK: Get images, Glance API is working: list 5 images in 0 seconds.|response_time=0


Additional info: