[Bug 1832210] Re: fwaas netfilter_log: incorrect decode of log prefix under python 3

[Brian Murray]

Hello James, or anyone else affected,

Accepted neutron-fwaas into disco-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/neutron-
fwaas/1:14.0.0-0ubuntu1.1 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-disco to verification-done-disco. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-disco. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: neutron-fwaas (Ubuntu Disco)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-disco

** Changed in: neutron-fwaas (Ubuntu Cosmic)
       Status: In Progress => Fix Committed

** Tags added: verification-needed-cosmic

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https://bugs.launchpad.net/bugs/1832210

Title:
  fwaas netfilter_log: incorrect decode of log prefix under python 3

Status in Ubuntu Cloud Archive:
  Triaged
Status in Ubuntu Cloud Archive rocky series:
  Fix Committed
Status in Ubuntu Cloud Archive stein series:
  Triaged
Status in Ubuntu Cloud Archive train series:
  Fix Committed
Status in neutron:
  Fix Released
Status in neutron-fwaas package in Ubuntu:
  Fix Released
Status in neutron-fwaas source package in Cosmic:
  Fix Committed
Status in neutron-fwaas source package in Disco:
  Fix Committed
Status in neutron-fwaas source package in Eoan:
  Fix Released

Bug description:
  Under Python 3, the prefix of a firewall log message is not correctly
  decoded "b'10612530182266949194'":

  2019-06-10 09:14:34 Unknown cookie packet_in pkt=ethernet(dst='fa:16:3e:c6:58:5e',ethertype=2048,src='fa:16:3e:e0:2c:be')ipv4(csum=51290,dst='10.5.0.10',flags=2,header_length=5,identification=37612,offset=0,option=None,proto=6,src='192.168.21.182',tos=16,total_length=52,ttl=63,version=4)tcp(ack=3151291228,bits=17,csum=23092,dst_port=57776,offset=8,option=[TCPOptionNoOperation(kind=1,length=1), TCPOptionNoOperation(kind=1,length=1), TCPOptionTimestamps(kind=8,length=10,ts_ecr=1574746440,ts_val=482688)],seq=2769917228,src_port=22,urgent=0,window_size=3120)
  2019-06-10 09:14:34 {'prefix': "b'10612530182266949194'", 'msg': "ethernet(dst='fa:16:3e:c6:58:5e',ethertype=2048,src='fa:16:3e:e0:2c:be')ipv4(csum=51290,dst='10.5.0.10',flags=2,header_length=5,identification=37612,offset=0,option=None,proto=6,src='192.168.21.182',tos=16,total_length=52,ttl=63,version=4)tcp(ack=3151291228,bits=17,csum=23092,dst_port=57776,offset=8,option=[TCPOptionNoOperation(kind=1,length=1), TCPOptionNoOperation(kind=1,length=1), TCPOptionTimestamps(kind=8,length=10,ts_ecr=1574746440,ts_val=482688)],seq=2769917228,src_port=22,urgent=0,window_size=3120)"}
  2019-06-10 09:14:34 {'0bf81ded-bf94-437d-ad49-063bba9be9bb': [<neutron_fwaas.services.logapi.agents.drivers.iptables.log.LogPrefix object at 0x7f7563079048>, <neutron_fwaas.services.logapi.agents.drivers.iptables.log.LogPrefix object at 0x7f756308abe0>]}

  This results in the firewall log driver not being able to map the
  message to the associated port and log resources in neutron resulting
  in the 'unknown cookie packet_in' warning message.

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