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[Bug 1599964] [NEW] neutron-ovs-cleanup fails in python 3

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Sirushti Murugesan <1599964@xxxxxxxxxxxxxxxxxx>
Date: Thu, 07 Jul 2016 19:01:12 -0000
Reply-to: Bug 1599964 <1599964@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

The error is as follows.

(py34) helion@heat-sl2:/opt/stack/new/neutron$ neutron-ovs-cleanup 
Guru mediation now registers SIGUSR1 and SIGUSR2 by default for backward compatibility. SIGUSR1 will no longer be registered in a future release, so please use SIGUSR2 to generate reports.
2016-07-07 18:56:12.516 33407 INFO neutron.common.config [-] Logging enabled!
2016-07-07 18:56:12.516 33407 INFO neutron.common.config [-] /usr/local/bin/neutron-ovs-cleanup version 9.0.0.0b2.dev266
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands [-] Error executing command
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands Traceback (most recent call last):
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/commands.py", line 35, in execute
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     txn.add(self)
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/api.py", line 76, in __exit__
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.result = self.commit()
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/impl_idl.py", line 56, in commit
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.ovsdb_connection.queue_txn(self)
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 123, in queue_txn
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.txns.put(txn)
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 47, in put
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.alertout.write('X')
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands TypeError: 'str' does not support the buffer interface
2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands 
2016-07-07 18:56:12.884 33407 CRITICAL neutron [-] TypeError: 'str' does not support the buffer interface
2016-07-07 18:56:12.884 33407 ERROR neutron Traceback (most recent call last):
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/bin/neutron-ovs-cleanup", line 10, in <module>
2016-07-07 18:56:12.884 33407 ERROR neutron     sys.exit(main())
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/cmd/ovs_cleanup.py", line 88, in main
2016-07-07 18:56:12.884 33407 ERROR neutron     ovs_bridges = set(ovs.get_bridges())
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/common/ovs_lib.py", line 142, in get_bridges
2016-07-07 18:56:12.884 33407 ERROR neutron     return self.ovsdb.list_br().execute(check_error=True)
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/commands.py", line 42, in execute
2016-07-07 18:56:12.884 33407 ERROR neutron     ctx.reraise = False
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/lib/python3.4/dist-packages/oslo_utils/excutils.py", line 221, in __exit__
2016-07-07 18:56:12.884 33407 ERROR neutron     self.force_reraise()
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/lib/python3.4/dist-packages/oslo_utils/excutils.py", line 197, in force_reraise
2016-07-07 18:56:12.884 33407 ERROR neutron     six.reraise(self.type_, self.value, self.tb)
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/lib/python3.4/dist-packages/six.py", line 686, in reraise
2016-07-07 18:56:12.884 33407 ERROR neutron     raise value
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/commands.py", line 35, in execute
2016-07-07 18:56:12.884 33407 ERROR neutron     txn.add(self)
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/api.py", line 76, in __exit__
2016-07-07 18:56:12.884 33407 ERROR neutron     self.result = self.commit()
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/impl_idl.py", line 56, in commit
2016-07-07 18:56:12.884 33407 ERROR neutron     self.ovsdb_connection.queue_txn(self)
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 123, in queue_txn
2016-07-07 18:56:12.884 33407 ERROR neutron     self.txns.put(txn)
2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 47, in put
2016-07-07 18:56:12.884 33407 ERROR neutron     self.alertout.write('X')
2016-07-07 18:56:12.884 33407 ERROR neutron TypeError: 'str' does not support the buffer interface
2016-07-07 18:56:12.884 33407 ERROR neutron 


A bytestring needs to be written instead when a file is opened in binary mode for writing.

** Affects: neutron
     Importance: Undecided
     Assignee: Sirushti Murugesan (sirushtim)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Sirushti Murugesan (sirushtim)

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https://bugs.launchpad.net/bugs/1599964

Title:
  neutron-ovs-cleanup fails in python 3

Status in neutron:
  New

Bug description:
  The error is as follows.

  (py34) helion@heat-sl2:/opt/stack/new/neutron$ neutron-ovs-cleanup 
  Guru mediation now registers SIGUSR1 and SIGUSR2 by default for backward compatibility. SIGUSR1 will no longer be registered in a future release, so please use SIGUSR2 to generate reports.
  2016-07-07 18:56:12.516 33407 INFO neutron.common.config [-] Logging enabled!
  2016-07-07 18:56:12.516 33407 INFO neutron.common.config [-] /usr/local/bin/neutron-ovs-cleanup version 9.0.0.0b2.dev266
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands [-] Error executing command
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands Traceback (most recent call last):
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/commands.py", line 35, in execute
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     txn.add(self)
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/api.py", line 76, in __exit__
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.result = self.commit()
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/impl_idl.py", line 56, in commit
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.ovsdb_connection.queue_txn(self)
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 123, in queue_txn
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.txns.put(txn)
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 47, in put
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands     self.alertout.write('X')
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands TypeError: 'str' does not support the buffer interface
  2016-07-07 18:56:12.881 33407 ERROR neutron.agent.ovsdb.native.commands 
  2016-07-07 18:56:12.884 33407 CRITICAL neutron [-] TypeError: 'str' does not support the buffer interface
  2016-07-07 18:56:12.884 33407 ERROR neutron Traceback (most recent call last):
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/bin/neutron-ovs-cleanup", line 10, in <module>
  2016-07-07 18:56:12.884 33407 ERROR neutron     sys.exit(main())
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/cmd/ovs_cleanup.py", line 88, in main
  2016-07-07 18:56:12.884 33407 ERROR neutron     ovs_bridges = set(ovs.get_bridges())
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/common/ovs_lib.py", line 142, in get_bridges
  2016-07-07 18:56:12.884 33407 ERROR neutron     return self.ovsdb.list_br().execute(check_error=True)
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/commands.py", line 42, in execute
  2016-07-07 18:56:12.884 33407 ERROR neutron     ctx.reraise = False
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/lib/python3.4/dist-packages/oslo_utils/excutils.py", line 221, in __exit__
  2016-07-07 18:56:12.884 33407 ERROR neutron     self.force_reraise()
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/lib/python3.4/dist-packages/oslo_utils/excutils.py", line 197, in force_reraise
  2016-07-07 18:56:12.884 33407 ERROR neutron     six.reraise(self.type_, self.value, self.tb)
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/usr/local/lib/python3.4/dist-packages/six.py", line 686, in reraise
  2016-07-07 18:56:12.884 33407 ERROR neutron     raise value
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/commands.py", line 35, in execute
  2016-07-07 18:56:12.884 33407 ERROR neutron     txn.add(self)
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/api.py", line 76, in __exit__
  2016-07-07 18:56:12.884 33407 ERROR neutron     self.result = self.commit()
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/impl_idl.py", line 56, in commit
  2016-07-07 18:56:12.884 33407 ERROR neutron     self.ovsdb_connection.queue_txn(self)
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 123, in queue_txn
  2016-07-07 18:56:12.884 33407 ERROR neutron     self.txns.put(txn)
  2016-07-07 18:56:12.884 33407 ERROR neutron   File "/opt/stack/new/neutron/neutron/agent/ovsdb/native/connection.py", line 47, in put
  2016-07-07 18:56:12.884 33407 ERROR neutron     self.alertout.write('X')
  2016-07-07 18:56:12.884 33407 ERROR neutron TypeError: 'str' does not support the buffer interface
  2016-07-07 18:56:12.884 33407 ERROR neutron 

  
  A bytestring needs to be written instead when a file is opened in binary mode for writing.

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Follow ups

[Bug 1599964] Re: neutron-ovs-cleanup fails in python 3
From: Armando Migliaccio, 2017-02-01