Hi,
I am trying to deploy openstack following the guide "OpenStack Installation
Guide for Ubuntu" in Ubuntu 14.04 LTS. I have two nodes: one is for controller,
the other for compute. But, I have got stucked at neutron. After finishing
configration, the results of 'neutron agent-list' command displayed the birdge
of controller can not start.
+--------------------------------------+--------------------+------------+-------------------
| id | agent_type |
host | availability_zone | alive |
+--------------------------------------+--------------------+------------+-------------------
| | DHCP agent | controller | nova | :-)
|
| | Metadata agent | controller | | :-) |
| | L3 agent | controller | nova
| :-) |
| | Linux bridge agent | compute |
| :-) |
+--------------------------------------+--------------------+------------+-------------------
I have checked the '/etc/neutron/plugins/ml2/linuxbridge_agent.ini' file which
is in accordance with the guid.
[linux_bridge]
physical_interface_mappings = provider:eth0
[securitygroup]
enable_security_group = True
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
[vxlan]
enable_vxlan = True
local_ip = 192.168.6.2
l2_population = True
Then, I checked the log file '/var/log/neutron/neutron-linuxbridge-agent.log',
and there is an error message repeated many times as follows:
2016-07-07 00:28:01.872 11116 ERROR neutron Traceback (most recent call last):
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/bin/neutron-linuxbridge-agent", line 10, in <module>
2016-07-07 00:28:01.872 11116 ERROR neutron sys.exit(main())
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/cmd/eventlet/plugins/linuxbridge_neutron_agent.py",
line 21, in main
2016-07-07 00:28:01.872 11116 ERROR neutron agent_main.main()
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py",
line 898, in main
2016-07-07 00:28:01.872 11116 ERROR neutron manager =
LinuxBridgeManager(bridge_mappings, interface_mappings)
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py",
line 76, in __init__
2016-07-07 00:28:01.872 11116 ERROR neutron self.check_vxlan_support()
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py",
line 628, in check_vxlan_support
2016-07-07 00:28:01.872 11116 ERROR neutron if self.vxlan_ucast_supported():
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py",
line 591, in vxlan_ucast_supported
2016-07-07 00:28:01.872 11116 ERROR neutron test_iface =
self.ensure_vxlan(seg_id)
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py",
line 286, in ensure_vxlan
2016-07-07 00:28:01.872 11116 ERROR neutron return None
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-07-07 00:28:01.872 11116 ERROR neutron self.force_reraise()
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-07-07 00:28:01.872 11116 ERROR neutron six.reraise(self.type_,
self.value, self.tb)
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py",
line 276, in ensure_vxlan
2016-07-07 00:28:01.872 11116 ERROR neutron **args)
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/agent/linux/ip_lib.py", line 243, in
add_vxlan
2016-07-07 00:28:01.872 11116 ERROR neutron self._as_root([], 'link', cmd)
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/agent/linux/ip_lib.py", line 94, in
_as_root
2016-07-07 00:28:01.872 11116 ERROR neutron
log_fail_as_error=self.log_fail_as_error)
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/agent/linux/ip_lib.py", line 103, in
_execute
2016-07-07 00:28:01.872 11116 ERROR neutron
log_fail_as_error=log_fail_as_error)
2016-07-07 00:28:01.872 11116 ERROR neutron File
"/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py", line 140, in
execute
2016-07-07 00:28:01.872 11116 ERROR neutron raise RuntimeError(msg)
2016-07-07 00:28:01.872 11116 ERROR neutron RuntimeError: Exit code: 1; Stdin:
; Stdout: ; Stderr: sudo: no tty present and no askpass program specified
2016-07-07 00:28:01.872 11116 ERROR neutron
2016-07-07 00:28:01.872 11116 ERROR neutron
2016-07-07 00:28:03.307 11141 INFO neutron.common.config [-] Logging enabled!
2016-07-07 00:28:03.308 11141 INFO neutron.common.config [-]
/usr/bin/neutron-linuxbridge-agent version 8.1.2
2016-07-07 00:28:03.308 11141 INFO
neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-]
Interface mappings: {'provider': 'eth0'}
2016-07-07 00:28:03.308 11141 INFO
neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-]
Bridge mappings: {}
2016-07-07 00:28:03.396 11141 ERROR neutron.agent.linux.utils [-] Exit code: 1;
Stdin: ; Stdout: ; Stderr: sudo: no tty present and no askpass program specified
2016-07-07 00:28:03.408 11141 CRITICAL neutron [-] RuntimeError: Exit code: 1;
Stdin: ; Stdout: ; Stderr: sudo: no tty present and no askpass program specified
I have no any experience with python programming at all, but I have executed
every command with 'sudo' indeed. I wonder what's the reason of the problem,
how to deal with it. Thanks in advance.
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