This bug was fixed in the package ubuntu-fan - 0.12.9~17.10.1
---------------
ubuntu-fan (0.12.9~17.10.1) artful; urgency=medium
[ Andy Whitcroft ]
* fanctl: fix config_filename when the interface does not have a width
(LP: #1737640)
-- Stefan Bader <stefan.ba...@canonical.com> Tue, 30 Jan 2018 10:54:13
+0100
** Changed in: ubuntu-fan (Ubuntu Artful)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1737640
Title:
[SRU] /usr/sbin/fanctl: arithmetic expression: expecting primary |
unconfigured interfaces cause ifup failures
Status in juju:
Invalid
Status in OPNFV:
Invalid
Status in ubuntu-fan package in Ubuntu:
Fix Released
Status in ubuntu-fan source package in Xenial:
Fix Released
Status in ubuntu-fan source package in Zesty:
Won't Fix
Status in ubuntu-fan source package in Artful:
Fix Released
Status in ubuntu-fan source package in Bionic:
Fix Released
Bug description:
[Impact]
* This bug effects anyone deploying LXD with juju on a machine with
interfaces configured as IP/mask. Since this is a very common use
case, SRU is needed.
[Test Case]
* Detailed process can be seen at https://paste.ubuntu.com/26169937/
[Regression Potential]
* Potential for regression is low because of the nature of the error.
It's just missing a case stanza for interfaces that are defined with
IP/mask
[Other Info]
* Original report:
I'm seeing this error as the status of multiple containers in my
deploy:
http://paste.ubuntu.com/26166720/
I can't connect to the parent machines anymore either - it seems
networking is totally hosed on the machines.
This is with juju 2.3.1.
[SRU Justification]
== Impact ==
Due to unexpectedly passing up a non-critical error to the ifup hooks,
this causes network interfaces to not come up.
== Fix ==
This was fixed in Xenial (and already forward ported to Bionic)
effectively allowing to bring up network interfaces via ifupdown after
installing ubuntu-fan.
== Testcase ==
Basic installation with ifupdown method for configuring network
interfaces (no longer default for Artful and later). Then installing
ubuntu-fan and either reboot or use ifdown -a && ifup -a in case of
being logged in locally. Without the fix interfaces will not come up
properly.
== Regression Risk ==
Minimal, well tested in Xenial and not impacting Artful and later if
ifupdown is not used.
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