** Description changed:
+ [Impact]
+
+ If a user on xenial or on bionic has an old version of distro-info and
+ then upgraded ubuntu-advantage-tools, they will get periodic tracebacks
+ from our update_messaging systemd unit, and enabling services with ua
+ will always fail.
+
+ The fix is to specify the required versions of distro-info that ubuntu-
+ advantage-tools.
+
+ Backporting this fix is necessary to ensure xenial and bionic users who
+ happen to have an older version of distro-info are able to enable
+ ubuntu-advantage services without first finding this bug, then manually
+ upgrading distro-info.
+
+ [Test Plan]
+
+ TODO
+
+ [Where problems could occur]
+
+ TODO
+
+ [Other Info]
+
+ TODO
+
+ [Original Description]
+
27.0~16.04.1 on Xenial. ubuntu-advantage-tools was upgraded, the rest
of the machine is painfully behind.
Resulted in this:
Jun 15 13:34:46 MAAS systemd[1]: Starting Ubuntu Advantage APT and MOTD
Messages...
Jun 15 13:34:46 MAAS python3[15434]: Traceback (most recent call last):
Jun 15 13:34:46 MAAS python3[15434]: File
"/usr/lib/ubuntu-advantage/ua_update_messaging.py", line 302, in <module>
Jun 15 13:34:46 MAAS python3[15434]: update_apt_and_motd_messages(cfg=cfg)
Jun 15 13:34:46 MAAS python3[15434]: File
"/usr/lib/ubuntu-advantage/ua_update_messaging.py", line 284, in
update_apt_and_motd_messages
Jun 15 13:34:46 MAAS python3[15434]: if not util.is_lts(series):
Jun 15 13:34:46 MAAS python3[15434]: File
"/usr/lib/python3/dist-packages/uaclient/util.py", line 353, in is_lts
Jun 15 13:34:46 MAAS python3[15434]: out, _err =
subp(["/usr/bin/ubuntu-distro-info", "--supported-esm"])
Jun 15 13:34:46 MAAS python3[15434]: File
"/usr/lib/python3/dist-packages/uaclient/util.py", line 608, in subp
Jun 15 13:34:46 MAAS python3[15434]: out, err = _subp(args, rcs, capture,
timeout, env=env)
Jun 15 13:34:46 MAAS python3[15434]: File
"/usr/lib/python3/dist-packages/uaclient/util.py", line 565, in _subp
Jun 15 13:34:46 MAAS python3[15434]: stderr=err.decode("utf-8"),
Jun 15 13:34:46 MAAS python3[15434]: uaclient.util.ProcessExecutionError:
Failed running command '/usr/bin/ubuntu-distro-info --supported-esm' [exit(1)].
Message: ubuntu-distro-info: unrecognized option `--supported-esm'
Jun 15 13:34:46 MAAS systemd[1]: ua-messaging.service: Main process exited,
code=exited, status=1/FAILURE
Jun 15 13:34:46 MAAS systemd[1]: Failed to start Ubuntu Advantage APT and
MOTD Messages.
Jun 15 13:34:46 MAAS systemd[1]: ua-messaging.service: Unit entered failed
state.
Jun 15 13:34:46 MAAS systemd[1]: ua-messaging.service: Failed with result
'exit-code'.
Installed distro-info was 0.14build1 ; upgrading to current fixed it.
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https://bugs.launchpad.net/bugs/1932028
Title:
missing version dependency on distro-info
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