76 lines
2.4 KiB
Smarty
76 lines
2.4 KiB
Smarty
# 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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"""
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Script returns failure to Kubernetes when one of the ranger services
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sends a non 200 OK response or timed out
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sys.stderr.write() writes to pod's events on failures.
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Usage example for Ranger-agent-engine:
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# python health-probe.py --config-file /etc/ranger/ranger.conf
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"""
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import requests
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import sys
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from oslo_config import cfg
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from oslo_log import log
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try:
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from configparser import ConfigParser
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except ImportError:
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from ConfigParser import ConfigParser
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def run_health_check():
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cfg.CONF(sys.argv[1:])
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log.logging.basicConfig(level=log.ERROR)
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config = ConfigParser()
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config.read(cfg.CONF.config_file)
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services = ['audit', 'cms', 'fms', 'ims', 'rds', 'rms', 'uuid']
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results = {'audit': 'failed',
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'cms': 'failed',
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'fms': 'failed',
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'ims': 'failed',
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'rds': 'failed',
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'rms': 'failed',
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'uuid': 'failed'}
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for service in services:
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try:
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port = config.get(service, 'port')
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url = "http://localhost:{}".format(port)
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response = requests.get(url, timeout=100)
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if response.status_code == 200 or response.status_code == 404:
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results[service] = 'passed'
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except requests.exceptions.ConnectionError as ce:
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sys.stderr.write("Health probe ConnectionError Exp:%s\n" % str(ce))
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except requests.exceptions.ReadTimeout as to:
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sys.stderr.write("Health probe ReadTimeout Exp:%s\n" % str(to))
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except Exception as ex:
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sys.stderr.write("Health probe UnExpected Exp:%s\n" % str(ex))
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for value in results.values():
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if value == 'failed':
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sys.stderr.write("Health probe detects problem "
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": %s\n" % results)
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sys.exit(1)
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if __name__ == "__main__":
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run_health_check()
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