While looking to reproduce this issue we found this in the logs of both
the neutron-ovn-metadata-agent and neutron-server:
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection [-]
(111, 'ECONNREFUSED'): OpenSSL.SSL.SysCallError: (111, 'ECONNREFUSED')
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
Traceback (most recent call last):
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/ovsdbapp/backend/ovs_idl/connection.py", line
106, in run
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
self.idl.run()
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/ovs/db/idl.py", line 240, in run
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
self._session.run()
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/ovs/jsonrpc.py", line 532, in run
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
self.__connect()
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/ovs/jsonrpc.py", line 467, in __connect
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
error, self.stream = ovs.stream.Stream.open(name)
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/ovs/stream.py", line 192, in open
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
err = ovs.socket_util.check_connection_completion(sock)
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/ovs/socket_util.py", line 181, in
check_connection_completion
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
sock.send("\0".encode(), socket.MSG_DONTWAIT)
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/OpenSSL/SSL.py", line 1737, in send
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
self._raise_ssl_error(self._ssl, result)
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection File
"/usr/lib/python3/dist-packages/OpenSSL/SSL.py", line 1639, in _raise_ssl_error
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
raise SysCallError(errno, errorcode.get(errno))
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
OpenSSL.SSL.SysCallError: (111, 'ECONNREFUSED')
2021-03-16 10:56:45.465 270932 ERROR ovsdbapp.backend.ovs_idl.connection
I suspect the log excerpts printed in comments above is fallout from
this condition and that both issues will go away with a fixed python-
ovs.
** Also affects: openvswitch (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1907686
Title:
ovn: instance unable to retrieve metadata
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