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9310366a6f
On dogtagpki/pki master XML is being replaced by JSON, getStatus will return JSON in PKI 11.0+ The PR for dogtagpki/pki that makes this change necessary is: https://github.com/dogtagpki/pki/pull/3674 Reviewed-By: Rob Crittenden <rcritten@redhat.com> Reviewed-By: Francois Cami <fcami@redhat.com>
143 lines
3.9 KiB
Python
143 lines
3.9 KiB
Python
#!/usr/bin/python3
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"""Wait until pki-tomcatd is up
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The script polls on Dogtag's HTTP port and wait until the admin interface
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reports status 'running' for the CA sub system.
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/etc/systemd/system/pki-tomcatd@pki-tomcat.service.d/ipa.conf
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[Service]
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ExecStartPost=/usr/libexec/ipa/ipa-pki-wait-running
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"""
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import os
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import logging
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import sys
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import time
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from xml.etree import ElementTree
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import json
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from ipalib import api
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from ipaplatform.paths import paths
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from pki.client import PKIConnection
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from pki.system import SystemStatusClient
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from requests.exceptions import ConnectionError, Timeout, RequestException
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logger = logging.getLogger('ipa-pki-wait-running')
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# check the CA subsystem. All pki-tomcatd instances in IPA have a CA
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SUBSYSTEM = 'ca'
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# time out for TCP connection attempts
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CONNECTION_TIMEOUT = 1.0
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EXIT_SUCCESS = 0
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EXIT_FAILURE = 1
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if hasattr(time, 'monotonic'):
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curtime = time.monotonic
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else:
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curtime = time.time
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def check_installed(subsystem):
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"""Check if the subsystem is configured
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"""
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catalina_base = os.environ.get(
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'CATALINA_BASE', '/var/lib/pki/pki-tomcat'
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)
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# /var/lib/pki/pki-tomcat/conf -> /etc/pki/pki-tomcat
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cs_cfg = os.path.join(catalina_base, 'conf', subsystem, 'CS.cfg')
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if os.path.isfile(cs_cfg):
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logger.debug("File %s exists.", cs_cfg)
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return True
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else:
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logger.info("File %s does not exist.", cs_cfg)
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return False
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def get_conn(hostname, subsystem):
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"""Create a connection object
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"""
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conn = PKIConnection(
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hostname=hostname,
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subsystem=subsystem,
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cert_paths=paths.IPA_CA_CRT
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)
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logger.info(
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"Created connection %s://%s:%s/%s",
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conn.protocol, conn.hostname, conn.port, conn.subsystem
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)
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return conn
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def get_status(conn, timeout):
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"""Get status from subsystem and return parsed (status, error)
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"""
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client = SystemStatusClient(conn)
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response = client.get_status(timeout=timeout)
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status = None
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error = None
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try:
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json_response = json.loads(response)
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status = json_response['Response']['Status']
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except KeyError as e:
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error = repr(e)
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except json.JSONDecodeError:
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logger.debug("Response is not valid JSON, try XML")
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root = ElementTree.fromstring(response)
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status = root.findtext("Status")
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error = root.findtext("Error")
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logger.debug("Got status '%s', error '%s'", status, error)
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return status, error
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def main():
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if not check_installed(SUBSYSTEM):
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logger.info(
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"subsystem %s is not installed, exiting", SUBSYSTEM
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)
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sys.exit(EXIT_SUCCESS)
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# bootstrap ipalib.api to parse config file
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api.bootstrap(confdir=paths.ETC_IPA, log=None)
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timeout = api.env.startup_timeout
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conn = get_conn(api.env.host, subsystem=SUBSYSTEM)
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end = curtime() + timeout
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while curtime() < end:
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try:
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status, error = get_status(conn, CONNECTION_TIMEOUT)
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except (ConnectionError, Timeout) as e:
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logger.info("Connection failed: %s", e)
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except RequestException as e:
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logger.error("Request failed unexpectedly, %s ", e)
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else:
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if status == 'running':
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logger.info("Success, subsystem %s is running!", SUBSYSTEM)
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sys.exit(EXIT_SUCCESS)
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elif error is not None:
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logger.info(
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"Subsystem %s failed with error '%s', giving up!",
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SUBSYSTEM, error
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)
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sys.exit(EXIT_FAILURE)
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else:
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logger.info("Status is '%s', waiting...", status)
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# wait and try again
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time.sleep(1)
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# giving up
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logger.error(
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"Reached end of wait timeout %s, giving up", timeout
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)
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sys.exit(EXIT_FAILURE)
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if __name__ == '__main__':
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logging.basicConfig(
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format='%(name)s: %(message)s',
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level=logging.INFO
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)
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main()
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