Public bug reported:
l3 and dhcp agents are not functioning on kernel 4.15 due to privsep
errors:
2018-10-25 09:10:38,747.747 24060 INFO oslo.privsep.daemon [-] Running privsep
helper: ['sudo', '/usr/bin/neutron-rootwrap', '/etc/neutron/rootwrap.conf',
'privsep-helper', '--config-file', '/etc/neutron/l3_agent.ini',
'--config-file', '/etc/neutron/fwaas_driver.ini', '--config-file',
'/etc/neutron/neutron.conf', '--privsep_context', 'neutron.privileged.default',
'--privsep_sock_path', '/tmp/tmpS5k5y2/privsep.sock']
2018-10-25 09:10:39,361.361 24060 WARNING oslo.privsep.daemon [-] privsep log:
Error in sys.excepthook:
2018-10-25 09:10:39,363.363 24060 WARNING oslo.privsep.daemon [-] privsep log:
Traceback (most recent call last):
2018-10-25 09:10:39,363.363 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/dist-packages/oslo_log/log.py", line 193, in
logging_excepthook
2018-10-25 09:10:39,364.364 24060 WARNING oslo.privsep.daemon [-] privsep log:
getLogger(product_name).critical('Unhandled error', **extra)
2018-10-25 09:10:39,365.365 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/logging/__init__.py", line 1481, in critical
2018-10-25 09:10:39,365.365 24060 WARNING oslo.privsep.daemon [-] privsep log:
self.logger.critical(msg, *args, **kwargs)
2018-10-25 09:10:39,366.366 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/logging/__init__.py", line 1212, in critical
2018-10-25 09:10:39,366.366 24060 WARNING oslo.privsep.daemon [-] privsep log:
self._log(CRITICAL, msg, args, **kwargs)
2018-10-25 09:10:39,367.367 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/logging/__init__.py", line 1286, in _log
2018-10-25 09:10:39,367.367 24060 WARNING oslo.privsep.daemon [-] privsep log:
self.handle(record)
2018-10-25 09:10:39,368.368 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/logging/__init__.py", line 1296, in handle
2018-10-25 09:10:39,368.368 24060 WARNING oslo.privsep.daemon [-] privsep log:
self.callHandlers(record)
2018-10-25 09:10:39,369.369 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/logging/__init__.py", line 1336, in callHandlers
2018-10-25 09:10:39,370.370 24060 WARNING oslo.privsep.daemon [-] privsep log:
hdlr.handle(record)
2018-10-25 09:10:39,370.370 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/logging/__init__.py", line 759, in handle
2018-10-25 09:10:39,371.371 24060 WARNING oslo.privsep.daemon [-] privsep log:
self.emit(record)
2018-10-25 09:10:39,371.371 24060 WARNING oslo.privsep.daemon [-] privsep log:
File "/usr/lib/python2.7/logging/handlers.py", line 414, in emit
2018-10-25 09:10:39,372.372 24060 WARNING oslo.privsep.daemon [-] privsep log:
sres = os.stat(self.baseFilename)
2018-10-25 09:10:39,372.372 24060 WARNING oslo.privsep.daemon [-] privsep log:
OSError: [Errno 13] Permission denied: '/var/log/neutron/neutron.log'
...
24060 ERROR neutron.agent.l3.agent FailedToDropPrivileges: Privsep daemon
failed to start
** Affects: neutron
Importance: High
Assignee: Oleg Bondarev (obondarev)
Status: In Progress
** Tags: l3-dvr-backlog l3-ipam-dhcp
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https://bugs.launchpad.net/bugs/1800157
Title:
privsep: lack of capabilities on kernel 4.15
Status in neutron:
In Progress
Bug description:
l3 and dhcp agents are not functioning on kernel 4.15 due to privsep
errors:
2018-10-25 09:10:38,747.747 24060 INFO oslo.privsep.daemon [-] Running
privsep helper: ['sudo', '/usr/bin/neutron-rootwrap',
'/etc/neutron/rootwrap.conf', 'privsep-helper', '--config-file',
'/etc/neutron/l3_agent.ini', '--config-file', '/etc/neutron/fwaas_driver.ini',
'--config-file', '/etc/neutron/neutron.conf', '--privsep_context',
'neutron.privileged.default', '--privsep_sock_path',
'/tmp/tmpS5k5y2/privsep.sock']
2018-10-25 09:10:39,361.361 24060 WARNING oslo.privsep.daemon [-] privsep
log: Error in sys.excepthook:
2018-10-25 09:10:39,363.363 24060 WARNING oslo.privsep.daemon [-] privsep
log: Traceback (most recent call last):
2018-10-25 09:10:39,363.363 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/dist-packages/oslo_log/log.py", line 193, in
logging_excepthook
2018-10-25 09:10:39,364.364 24060 WARNING oslo.privsep.daemon [-] privsep
log: getLogger(product_name).critical('Unhandled error', **extra)
2018-10-25 09:10:39,365.365 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/logging/__init__.py", line 1481, in critical
2018-10-25 09:10:39,365.365 24060 WARNING oslo.privsep.daemon [-] privsep
log: self.logger.critical(msg, *args, **kwargs)
2018-10-25 09:10:39,366.366 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/logging/__init__.py", line 1212, in critical
2018-10-25 09:10:39,366.366 24060 WARNING oslo.privsep.daemon [-] privsep
log: self._log(CRITICAL, msg, args, **kwargs)
2018-10-25 09:10:39,367.367 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/logging/__init__.py", line 1286, in _log
2018-10-25 09:10:39,367.367 24060 WARNING oslo.privsep.daemon [-] privsep
log: self.handle(record)
2018-10-25 09:10:39,368.368 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/logging/__init__.py", line 1296, in handle
2018-10-25 09:10:39,368.368 24060 WARNING oslo.privsep.daemon [-] privsep
log: self.callHandlers(record)
2018-10-25 09:10:39,369.369 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/logging/__init__.py", line 1336, in callHandlers
2018-10-25 09:10:39,370.370 24060 WARNING oslo.privsep.daemon [-] privsep
log: hdlr.handle(record)
2018-10-25 09:10:39,370.370 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/logging/__init__.py", line 759, in handle
2018-10-25 09:10:39,371.371 24060 WARNING oslo.privsep.daemon [-] privsep
log: self.emit(record)
2018-10-25 09:10:39,371.371 24060 WARNING oslo.privsep.daemon [-] privsep
log: File "/usr/lib/python2.7/logging/handlers.py", line 414, in emit
2018-10-25 09:10:39,372.372 24060 WARNING oslo.privsep.daemon [-] privsep
log: sres = os.stat(self.baseFilename)
2018-10-25 09:10:39,372.372 24060 WARNING oslo.privsep.daemon [-] privsep
log: OSError: [Errno 13] Permission denied: '/var/log/neutron/neutron.log'
...
24060 ERROR neutron.agent.l3.agent FailedToDropPrivileges: Privsep daemon
failed to start
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