Public bug reported:
My openstack neutron don't use namespace. After getting the patch
https://review.openstack.org/#/c/145829/, my dhcp-agent can't start up
dnsmasq, the log reports
2015-03-04 00:46:27.081 23165 ERROR neutron.agent.dhcp.agent [-] Unable to
enable dhcp for 0c4bcc8a-ed67-4782-8db5-af62318cd6bc.
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent Traceback (most
recent call last):
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/dhcp/agent.py", line 112, in
call_driver
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
getattr(driver, action)(**action_kwargs)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 207, in
enable
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
self.spawn_process()
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 375, in
spawn_process
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
self._spawn_or_reload_process(reload_with_HUP=False)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 394, in
_spawn_or_reload_process
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
pid_file=pid_filename)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/external_process.py",
line 179, in enable
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
process_manager.enable(reload_cfg=reload_cfg)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/external_process.py",
line 76, in enable
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
ip_wrapper.netns.execute(cmd, addl_env=self.cmd_addl_env)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 554, in
execute
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent return
utils.execute(cmd, check_exit_code=check_exit_code,
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 89, in
execute
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent #
NOTE(termie): this appears to be necessary to let the subprocess
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent RuntimeError:
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent Command:
['dnsmasq', '--no-hosts', '--no
-resolv', '--strict-order', '--bind-interfaces', '--interface=tap8dd394fb-8b',
'--except-interface=lo
', '--pid-file=/var/lib/neutron/dhcp/0c4bcc8a-ed67-4782-8db5-af62318cd6bc/pid',
'--dhcp-hostsfile=/va
r/lib/neutron/dhcp/0c4bcc8a-ed67-4782-8db5-af62318cd6bc/host',
'--addn-hosts=/var/lib/neutron/dhcp/0c
4bcc8a-ed67-4782-8db5-af62318cd6bc/addn_hosts',
'--dhcp-optsfile=/var/lib/neutron/dhcp/0c4bcc8a-ed67-
4782-8db5-af62318cd6bc/opts', '--leasefile-ro', '--dhcp-authoritative',
'--dhcp-range=set:tag0,10.0.1
.0,static,86400s', '--dhcp-lease-max=256', '--conf-file=',
'--domain=openstacklocal']
Although the "root_helper" has been moved, dnsmasq still needs root
privilege to start.
** Affects: neutron
Importance: Undecided
Assignee: Hong Hui Xiao (xiaohhui)
Status: New
** Changed in: neutron
Assignee: (unassigned) => Hong Hui Xiao (xiaohhui)
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https://bugs.launchpad.net/bugs/1428007
Title:
dnsmasq fail to start when not using namespace
Status in OpenStack Neutron (virtual network service):
New
Bug description:
My openstack neutron don't use namespace. After getting the patch
https://review.openstack.org/#/c/145829/, my dhcp-agent can't start up
dnsmasq, the log reports
2015-03-04 00:46:27.081 23165 ERROR neutron.agent.dhcp.agent [-] Unable to
enable dhcp for 0c4bcc8a-ed67-4782-8db5-af62318cd6bc.
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent Traceback (most
recent call last):
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/dhcp/agent.py", line 112, in
call_driver
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
getattr(driver, action)(**action_kwargs)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 207, in
enable
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
self.spawn_process()
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 375, in
spawn_process
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
self._spawn_or_reload_process(reload_with_HUP=False)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/dhcp.py", line 394, in
_spawn_or_reload_process
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
pid_file=pid_filename)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/external_process.py",
line 179, in enable
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
process_manager.enable(reload_cfg=reload_cfg)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/external_process.py",
line 76, in enable
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent
ip_wrapper.netns.execute(cmd, addl_env=self.cmd_addl_env)
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 554, in
execute
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent return
utils.execute(cmd, check_exit_code=check_exit_code,
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent File
"/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 89, in
execute
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent #
NOTE(termie): this appears to be necessary to let the subprocess
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent RuntimeError:
2015-03-04 00:46:27.081 23165 TRACE neutron.agent.dhcp.agent Command:
['dnsmasq', '--no-hosts', '--no
-resolv', '--strict-order', '--bind-interfaces',
'--interface=tap8dd394fb-8b', '--except-interface=lo
',
'--pid-file=/var/lib/neutron/dhcp/0c4bcc8a-ed67-4782-8db5-af62318cd6bc/pid',
'--dhcp-hostsfile=/va
r/lib/neutron/dhcp/0c4bcc8a-ed67-4782-8db5-af62318cd6bc/host',
'--addn-hosts=/var/lib/neutron/dhcp/0c
4bcc8a-ed67-4782-8db5-af62318cd6bc/addn_hosts',
'--dhcp-optsfile=/var/lib/neutron/dhcp/0c4bcc8a-ed67-
4782-8db5-af62318cd6bc/opts', '--leasefile-ro', '--dhcp-authoritative',
'--dhcp-range=set:tag0,10.0.1
.0,static,86400s', '--dhcp-lease-max=256', '--conf-file=',
'--domain=openstacklocal']
Although the "root_helper" has been moved, dnsmasq still needs root
privilege to start.
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