Public bug reported:
It crashes when trying to invoke privsep:
2018-06-12 10:37:05.932 1038529 INFO neutron.common.config [-] Logging enabled!
2018-06-12 10:37:05.932 1038529 INFO neutron.common.config [-]
/usr/bin/neutron-netns-cleanup version 13.0.0.0b2.dev174
2018-06-12 10:37:05.932 1038529 DEBUG neutron.common.config [-] command line:
/usr/bin/neutron-netns-cleanup --config-file
/usr/share/neutron/neutron-dist.conf --config-dir /usr/share/neutron/l3_agent
--config-file /etc/neutron/neutron.conf --config-file /etc/neutron/l3_agent.ini
--config-dir /etc/neutron/conf.d/common --config-dir
/etc/neutron/conf.d/neutron-l3-agent --agent-type l3 -d --force setup_logging
/usr/lib/python2.7/site-packages/neutron/common/config.py:104
2018-06-12 10:37:05.933 1038529 INFO oslo.privsep.daemon [-] Running privsep
helper: ['sudo', 'privsep-helper', '--config-file',
'/usr/share/neutron/neutron-dist.conf', '--config-file',
'/etc/neutron/neutron.conf', '--config-file', '/etc/neutron/l3_agent.ini',
'--config-dir', '/etc/neutron/conf.d/neutron-l3-agent', '--privsep_context',
'neutron.privileged.default', '--privsep_sock_path',
'/tmp/tmpwc58JK/privsep.sock']
2018-06-12 10:37:05.954 1038529 WARNING oslo.privsep.daemon [-] privsep log:
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log: We
trust you have received the usual lecture from the local System
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
Administrator. It usually boils down to these three things:
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
#1) Respect the privacy of others.
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
#2) Think before you type.
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
#3) With great power comes great responsibility.
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
2018-06-12 10:37:05.956 1038529 WARNING oslo.privsep.daemon [-] privsep log:
sudo: no tty present and no askpass program specified
2018-06-12 10:37:05.955 1038529 CRITICAL oslo.privsep.daemon [-] privsep helper
command exited non-zero (1)
2018-06-12 10:37:05.961 1038529 CRITICAL neutron [-] Unhandled error:
FailedToDropPrivileges: privsep helper command exited non-zero (1)
2018-06-12 10:37:05.961 1038529 ERROR neutron Traceback (most recent call last):
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/bin/neutron-netns-cleanup", line 10, in <module>
2018-06-12 10:37:05.961 1038529 ERROR neutron sys.exit(main())
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/neutron/cmd/netns_cleanup.py", line 289, in
main
2018-06-12 10:37:05.961 1038529 ERROR neutron
cleanup_network_namespaces(conf)
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/neutron/cmd/netns_cleanup.py", line 259, in
cleanup_network_namespaces
2018-06-12 10:37:05.961 1038529 ERROR neutron
ip_lib.list_network_namespaces()
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 1100, in
list_network_namespaces
2018-06-12 10:37:05.961 1038529 ERROR neutron return
privileged.list_netns(**kwargs)
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 206, in
_wrap
2018-06-12 10:37:05.961 1038529 ERROR neutron self.start()
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 217, in
start
2018-06-12 10:37:05.961 1038529 ERROR neutron channel =
daemon.RootwrapClientChannel(context=self)
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 327, in __init__
2018-06-12 10:37:05.961 1038529 ERROR neutron raise
FailedToDropPrivileges(msg)
2018-06-12 10:37:05.961 1038529 ERROR neutron FailedToDropPrivileges: privsep
helper command exited non-zero (1)
2018-06-12 10:37:05.961 1038529 ERROR neutron
** Affects: neutron
Importance: Medium
Assignee: Miguel Angel Ajo (mangelajo)
Status: Confirmed
** Changed in: neutron
Status: New => Confirmed
** Changed in: neutron
Importance: Undecided => Medium
** Changed in: neutron
Assignee: (unassigned) => Miguel Angel Ajo (mangelajo)
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https://bugs.launchpad.net/bugs/1776468
Title:
neutron-netns-cleanup does not configure privsep correctly
Status in neutron:
Confirmed
Bug description:
It crashes when trying to invoke privsep:
2018-06-12 10:37:05.932 1038529 INFO neutron.common.config [-] Logging
enabled!
2018-06-12 10:37:05.932 1038529 INFO neutron.common.config [-]
/usr/bin/neutron-netns-cleanup version 13.0.0.0b2.dev174
2018-06-12 10:37:05.932 1038529 DEBUG neutron.common.config [-] command line:
/usr/bin/neutron-netns-cleanup --config-file
/usr/share/neutron/neutron-dist.conf --config-dir /usr/share/neutron/l3_agent
--config-file /etc/neutron/neutron.conf --config-file /etc/neutron/l3_agent.ini
--config-dir /etc/neutron/conf.d/common --config-dir
/etc/neutron/conf.d/neutron-l3-agent --agent-type l3 -d --force setup_logging
/usr/lib/python2.7/site-packages/neutron/common/config.py:104
2018-06-12 10:37:05.933 1038529 INFO oslo.privsep.daemon [-] Running privsep
helper: ['sudo', 'privsep-helper', '--config-file',
'/usr/share/neutron/neutron-dist.conf', '--config-file',
'/etc/neutron/neutron.conf', '--config-file', '/etc/neutron/l3_agent.ini',
'--config-dir', '/etc/neutron/conf.d/neutron-l3-agent', '--privsep_context',
'neutron.privileged.default', '--privsep_sock_path',
'/tmp/tmpwc58JK/privsep.sock']
2018-06-12 10:37:05.954 1038529 WARNING oslo.privsep.daemon [-] privsep log:
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
We trust you have received the usual lecture from the local System
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
Administrator. It usually boils down to these three things:
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
#1) Respect the privacy of others.
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
#2) Think before you type.
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
#3) With great power comes great responsibility.
2018-06-12 10:37:05.955 1038529 WARNING oslo.privsep.daemon [-] privsep log:
2018-06-12 10:37:05.956 1038529 WARNING oslo.privsep.daemon [-] privsep log:
sudo: no tty present and no askpass program specified
2018-06-12 10:37:05.955 1038529 CRITICAL oslo.privsep.daemon [-] privsep
helper command exited non-zero (1)
2018-06-12 10:37:05.961 1038529 CRITICAL neutron [-] Unhandled error:
FailedToDropPrivileges: privsep helper command exited non-zero (1)
2018-06-12 10:37:05.961 1038529 ERROR neutron Traceback (most recent call
last):
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/bin/neutron-netns-cleanup", line 10, in <module>
2018-06-12 10:37:05.961 1038529 ERROR neutron sys.exit(main())
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/neutron/cmd/netns_cleanup.py", line 289, in
main
2018-06-12 10:37:05.961 1038529 ERROR neutron
cleanup_network_namespaces(conf)
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/neutron/cmd/netns_cleanup.py", line 259, in
cleanup_network_namespaces
2018-06-12 10:37:05.961 1038529 ERROR neutron
ip_lib.list_network_namespaces()
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 1100, in
list_network_namespaces
2018-06-12 10:37:05.961 1038529 ERROR neutron return
privileged.list_netns(**kwargs)
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 206, in
_wrap
2018-06-12 10:37:05.961 1038529 ERROR neutron self.start()
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 217, in
start
2018-06-12 10:37:05.961 1038529 ERROR neutron channel =
daemon.RootwrapClientChannel(context=self)
2018-06-12 10:37:05.961 1038529 ERROR neutron File
"/usr/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 327, in __init__
2018-06-12 10:37:05.961 1038529 ERROR neutron raise
FailedToDropPrivileges(msg)
2018-06-12 10:37:05.961 1038529 ERROR neutron FailedToDropPrivileges: privsep
helper command exited non-zero (1)
2018-06-12 10:37:05.961 1038529 ERROR neutron
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