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
Thanks; this is a bug in avahi itself [1], so the best we can do is work around this in MAAS.
[1]: https:/