132 lines
5.4 KiB
Python
132 lines
5.4 KiB
Python
# 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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import logging
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from urllib.parse import urlparse
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from prometheus_client import CollectorRegistry, generate_latest, Gauge
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from base import OSBase
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logger = logging.getLogger(__name__)
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class CheckOSApi(OSBase):
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"""Class to check the status of OpenStack API services."""
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CHECK_MAP = {
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'keystone': {'path': '/', 'expect': [300], 'name': 'keystone-public-api'},
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'heat': {'path': '/', 'expect': [300], 'name': 'heat-api'},
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'heat-cfn': {'path': '/', 'expect': [300], 'name': 'heat-cfn-api'},
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'glance': {'path': '/', 'expect': [300], 'name': 'glance-api'},
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'cinder': {'path': '/', 'expect': [200, 300], 'name': 'cinder-api'},
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'cinderv2': {
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'path': '/', 'expect': [200, 300], 'name': 'cinder-v2-api'},
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'neutron': {'path': '/', 'expect': [200], 'name': 'neutron-api'},
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'nova': {'path': '/', 'expect': [200], 'name': 'nova-api'},
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'ceilometer': {
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'path': 'v2/capabilities', 'expect': [200], 'auth': True,
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'name': 'ceilometer-api'},
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'swift': {'path': '/', 'expect': [200], 'name': 'ceph'},
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'swift_s3': {
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'path': 'healthcheck', 'expect': [200], 'name': 'swift-s3-api'},
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'murano': {'path': '/', 'expect': [200, 300], 'name': 'murano-api'},
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'trove': {'path': '/', 'expect': [200, 300], 'name': 'trove-api'},
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'mistral': {'path': '/', 'expect': [200, 300], 'name': 'mistral-api'},
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'designate': {'path': '/', 'expect': [200, 300], 'name': 'designate-api'},
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'contrail_analytics': {'path': '/', 'expect': [200], 'name': 'contrail-analytics-api'},
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'contrail_config': {'path': '/', 'expect': [200], 'name': 'contrail-config-api'},
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'placement': {'path': '/', 'expect': [401], 'name': 'placement-api'},
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'shipyard': {'path': 'api/v1.0/health', 'expect': [204, 503], 'name': 'shipyard'},
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'armada': {'path': 'api/v1.0/health', 'expect': [204, 503], 'name': 'armada'},
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'deckhand': {'path': 'api/v1.0/health', 'expect': [204, 503], 'name': 'deckhand'},
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'drydock': {'path': 'api/v1.0/health', 'expect': [204, 503], 'name': 'drydock'},
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'promenade': {'path': 'api/v1.0/health', 'expect': [204, 503], 'name': 'promenade'},
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}
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def _service_url(self, endpoint, path):
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url = urlparse(endpoint)
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u = '%s://%s' % (url.scheme, url.netloc)
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if path != '/':
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u = '%s/%s' % (u, path)
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return u
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def build_cache_data(self):
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""" Check the status of all the API services.
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Yields a list of dict items with 'service', 'status' (either OK,
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FAIL or UNKNOWN) and 'region' keys.
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"""
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check_array = []
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catalog = self.osclient.service_catalog
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for service in catalog:
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name = service['name']
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url = None
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status_code = 500
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if name not in self.CHECK_MAP:
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logger.info(
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"No check found for service '%s', creating one" % name)
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self.CHECK_MAP[name] = {
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'path': '/',
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'expect': [200, 300, 302, 401, 404],
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'name': name,
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}
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check = self.CHECK_MAP[name]
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url = self._service_url(service['url'], check['path'])
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r = self.osclient.raw_get(
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url, token_required=check.get(
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'auth', False))
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if r is not None:
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status_code = r.status_code
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if r is None or status_code not in check['expect']:
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logger.info(
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"Service %s check failed "
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"(returned '%s' but expected '%s')" % (
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name, status_code, check['expect'])
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)
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status = self.FAIL
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else:
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status = self.OK
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check_array.append({
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'service': name,
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'status': status,
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'url': url,
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'status_code': status_code,
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'region': self.osclient.region,
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})
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return check_array
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def get_cache_key(self):
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return "check_os_api"
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def get_stats(self):
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registry = CollectorRegistry()
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labels = ['region', 'url', 'service']
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check_api_data_cache = self.get_cache_data()
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for check_api_data in check_api_data_cache:
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label_values = [
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check_api_data['region'],
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check_api_data['url'],
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check_api_data['service']]
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gague_name = self.gauge_name_sanitize(
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"check_{}_api".format(check_api_data['service']))
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check_gauge = Gauge(
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gague_name,
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'Openstack API check. fail = 0, ok = 1 and unknown = 2',
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labels,
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registry=registry)
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check_gauge.labels(*label_values).set(check_api_data['status'])
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return generate_latest(registry)
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