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18a8a41580
* Drop support for python 2 * Only import traceback and syslog when needed * Only import ipaserver.install.certs when the lock is needed * Only import ipautil when run is needed For the unsupported operations case this improves performance by 95% For the supported operations that don't require a lock the improvement is about 50%. For the supported operations that require a lock the improvement is about 20% When configuring a CA certmonger calls its helper with the following operations: IDENTIFY FETCH-ROOTS GET-SUPPORTED-TEMPLATES GET-DEFAULT-TEMPLATE GET-NEW-REQUEST-REQUIREMENTS GET-RENEW-REQUEST-REQUIREMENTS FETCH-SCEP-CA-CAPS FETCH-SCEP-CA-CERTS Only IDENTIFY, FETCH-ROOTS and GET-NEW-REQUEST-REQUIREMENTS are supported by ipa-submit, along with the request options SUBMIT and POLL. Which means every time the IPA CA in certmonger is updated eight calls to ipa-server-guard are made so the savings are cumulative. The savings when executing these eight operations is a 73% decrease (.7 sec vs 2.5 sec). https://pagure.io/freeipa/issue/8425 Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com> Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>
76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
#!/usr/bin/python3
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#
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# Authors:
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# Jan Cholasta <jcholast@redhat.com>
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#
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# Copyright (C) 2015 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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# Prevent garbage from readline on standard output
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# (see https://fedorahosted.org/freeipa/ticket/4064)
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if not os.isatty(1):
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os.environ['TERM'] = 'dumb'
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import sys
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# Return codes. Names of the constants are taken from
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# https://git.fedorahosted.org/cgit/certmonger.git/tree/src/submit-e.h
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OPERATION_NOT_SUPPORTED_BY_HELPER = 6
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def run_operation(cmd):
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from ipapython import ipautil
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result = ipautil.run(cmd, raiseonerr=False, env=os.environ)
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# Write bytes directly
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sys.stdout.buffer.write(result.raw_output) #pylint: disable=no-member
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sys.stderr.buffer.write(result.raw_error_output) #pylint: disable=no-member
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sys.stdout.flush()
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sys.stderr.flush()
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return result.returncode
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def main():
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if len(sys.argv) < 2:
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raise RuntimeError("Not enough arguments")
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# Avoid the lock if the operation is unsupported by ipa-submit
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operation = os.environ.get('CERTMONGER_OPERATION')
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if operation not in ('IDENTIFY',
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'FETCH-ROOTS',
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'GET-NEW-REQUEST-REQUIREMENTS',
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'SUBMIT',
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'POLL'):
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return OPERATION_NOT_SUPPORTED_BY_HELPER
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if operation in ('SUBMIT', 'POLL', 'FETCH-ROOTS'):
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from ipaserver.install import certs
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with certs.renewal_lock:
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return run_operation(sys.argv[1:])
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else:
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return run_operation(sys.argv[1:])
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try:
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sys.exit(main())
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except Exception as e:
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import traceback
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import syslog
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syslog.syslog(syslog.LOG_ERR, traceback.format_exc())
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print("Internal error")
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sys.exit(3)
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