Difference between revisions of "Manila/issue-neutron-on-localhost-ipv6"
< Manila
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After some digging, I have found out the source of this error. There is a python-dnspython package installed. The eventlet package check is dns module (dnspython) present and if present in replace socket's function getaddrinfo. But function getaddrinfo from eventlet packages incorrectly handle ipv6 addresses. In our case it resolve domain "localhost" into ::1 (using /etc/hosts) and we got this error. | After some digging, I have found out the source of this error. There is a python-dnspython package installed. The eventlet package check is dns module (dnspython) present and if present in replace socket's function getaddrinfo. But function getaddrinfo from eventlet packages incorrectly handle ipv6 addresses. In our case it resolve domain "localhost" into ::1 (using /etc/hosts) and we got this error. | ||
| − | [[https://bitbucket.org/eventlet/eventlet/issue/105/name-resolution-needs-to-support-ipv6]] | + | [[https://bitbucket.org/eventlet/eventlet/issue/105/name-resolution-needs-to-support-ipv6 eventlet issue]] |
== workaround == | == workaround == | ||
Revision as of 14:31, 24 July 2014
I got an issue, on fresh devstack installation (ubuntu-server-14.04). Here is symptom:
2014-07-24 07:26:21.852 INFO urllib3.connectionpool [req-17b5ef32-2198-4d6f-9baf-d24c803010ba None None] Starting new HTTP connection (1): localhost
2014-07-24 07:26:21.852 DEBUG neutronclient.client [req-17b5ef32-2198-4d6f-9baf-d24c803010ba None None] throwing ConnectionFailed : HTTPConnectionPool(host='localhost', port=5000): Max retries exceeded with url: /v2.0/tokens (Caused by <class 'socket.error'>: [Errno -9] Address family for hostname not supported) from (pid=22246) _cs_request /opt/devel/openstack/python-neutronclient/neutronclient/client.py:112
2014-07-24 07:26:21.853 DEBUG manila.share.drivers.service_instance [req-17b5ef32-2198-4d6f-9baf-d24c803010ba None None] Connection to neutron failed. from (pid=22246) init /opt/devel/openstack/manila/manila/share/drivers/service_instance.py:145
2014-07-24 07:26:24.857 ERROR manila.service [req-17b5ef32-2198-4d6f-9baf-d24c803010ba None None] Unhandled exception
2014-07-24 07:26:24.857 TRACE manila.service Traceback (most recent call last):
2014-07-24 07:26:24.857 TRACE manila.service File "/opt/devel/openstack/manila/manila/service.py", line 225, in _start_child
2014-07-24 07:26:24.857 TRACE manila.service self._child_process(wrap.server)
2014-07-24 07:26:24.857 TRACE manila.service File "/opt/devel/openstack/manila/manila/service.py", line 202, in _child_process
2014-07-24 07:26:24.857 TRACE manila.service launcher.run_server(server)
2014-07-24 07:26:24.857 TRACE manila.service File "/opt/devel/openstack/manila/manila/service.py", line 93, in run_server
2014-07-24 07:26:24.857 TRACE manila.service server.start()
2014-07-24 07:26:24.857 TRACE manila.service File "/opt/devel/openstack/manila/manila/service.py", line 374, in start
2014-07-24 07:26:24.857 TRACE manila.service self.manager.init_host()
2014-07-24 07:26:24.857 TRACE manila.service File "/opt/devel/openstack/manila/manila/share/manager.py", line 76, in init_host
2014-07-24 07:26:24.857 TRACE manila.service self.driver.do_setup(ctxt)
2014-07-24 07:26:24.857 TRACE manila.service File "/opt/devel/openstack/manila/manila/share/drivers/generic.py", line 143, in do_setup
2014-07-24 07:26:24.857 TRACE manila.service driver_config=self.configuration)
2014-07-24 07:26:24.857 TRACE manila.service File "/opt/devel/openstack/manila/manila/share/drivers/service_instance.py", line 149, in init
2014-07-24 07:26:24.857 TRACE manila.service raise exception.ServiceInstanceException(_('Can not receive '
2014-07-24 07:26:24.857 TRACE manila.service ServiceInstanceException: Can not receive service tenant id.
2014-07-24 07:26:24.857 TRACE manila.service
After some digging, I have found out the source of this error. There is a python-dnspython package installed. The eventlet package check is dns module (dnspython) present and if present in replace socket's function getaddrinfo. But function getaddrinfo from eventlet packages incorrectly handle ipv6 addresses. In our case it resolve domain "localhost" into ::1 (using /etc/hosts) and we got this error.
workaround
remove line
::1 localhost
from /etc/hosts
