In MAAS we have provided a work around in LP: #1773698
** Changed in: maas
Milestone: 2.5.0beta1 => 2.5.0beta2
** No longer affects: maas
** No longer affects: maas/2.4
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https://bugs.launchpad.net/bugs/1752737
Title:
[2.3.0-6434] mDNS observer problems
Status in Avahi:
Unknown
Status in avahi package in Ubuntu:
Confirmed
Bug description:
I see avahi-browser choking on non-utf8 characters in my rackd.log:
==> rackd.log <==
2018-02-28 16:54:33 provisioningserver.utils.services: [info] mDNS
observation process started.
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
Traceback (most recent call last):
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/maas/maas-common", line 87, in <module>
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
main()
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/maas/maas-common", line 83, in main
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
run()
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/maas/maas-common", line 52, in run
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
from provisioningserver.__main__ import main
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3/dist-packages/provisioningserver/__main__.py", line 55,
in <module>
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
main()
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3/dist-packages/provisioningserver/utils/script.py", line
91, in __call__
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
self.execute(argv)
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3/dist-packages/provisioningserver/utils/script.py", line
86, in execute
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
args.handler.run(args)
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py", line
221, in run
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
_observe_mdns(reader, output, args.verbose)
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py", line
145, in _observe_mdns
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
for event in observer(events):
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py", line
161, in _observe_resolver_found
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
for event in filter(_p_resolver_found, events):
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py", line
125, in _extract_mdns_events
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
for event in map(parse_avahi_event, lines):
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
File "/usr/lib/python3.5/codecs.py", line 321, in decode
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
(result, consumed) = self._buffer_decode(data, self.errors, final)
2018-02-28 16:54:36 provisioningserver.utils.services: [info] observe-mdns:
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc8 in position 240:
invalid continuation byte
2018-02-28 16:54:36 provisioningserver.utils.services: [critical] mDNS
observation process failed.
Traceback (most recent call last):
Failure: twisted.internet.error.ProcessTerminated: A process has ended with a
probable error condition: process ended with exit code 1.
==> regiond.log <==
2018-02-28 16:54:50 regiond: [info] ::1 GET /MAAS/rpc/ HTTP/1.0 --> 200 OK
(referrer: -; agent: provisioningserver.rpc.clusterservice.ClusterClientService)
2018-02-28 16:55:20 regiond: [info] ::1 GET /MAAS/rpc/ HTTP/1.0 --> 200 OK
(referrer: -; agent: provisioningserver.rpc.clusterservice.ClusterClientService)
==> maas.log <==
Feb 28 16:53:52 MAAS-RC01 maas.interface: [info] ens33 (physical) on
MAAS-RC01: New MAC, IP binding observed: 08:eb:74:ca:d3:6f, 192.168.1.82
Similar traceback when running from command line:
maasuser@MAAS-RC01:~$ maas-rack observe-mdns
{"hostname": "Apple-TV", "interface": "ens33", "address": "192.168.1.81"}
Got SIGTERM, quitting.
Traceback (most recent call last):
File "/usr/sbin/maas-rack", line 87, in <module>
main()
File "/usr/sbin/maas-rack", line 83, in main
run()
File "/usr/sbin/maas-rack", line 52, in run
from provisioningserver.__main__ import main
File "/usr/lib/python3/dist-packages/provisioningserver/__main__.py", line
55, in <module>
main()
File "/usr/lib/python3/dist-packages/provisioningserver/utils/script.py",
line 91, in __call__
self.execute(argv)
File "/usr/lib/python3/dist-packages/provisioningserver/utils/script.py",
line 86, in execute
args.handler.run(args)
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py",
line 221, in run
_observe_mdns(reader, output, args.verbose)
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py",
line 145, in _observe_mdns
for event in observer(events):
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py",
line 161, in _observe_resolver_found
for event in filter(_p_resolver_found, events):
File "/usr/lib/python3/dist-packages/provisioningserver/utils/avahi.py",
line 125, in _extract_mdns_events
for event in map(parse_avahi_event, lines):
File "/usr/lib/python3.5/codecs.py", line 321, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc8 in position 228:
invalid continuation byte
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