Public bug reported:
Some time ago, cloud-init version 21 was pushed to all LTS releases
including 20.04, and 18.04. It will be installed by default and present
in all LTS cloud images.
We are running LXD in OpenStack using nova-compute-lxd and unmodified
cloud images. Since cloud-init was upgraded in LTS images, cloud-init
will only use the new LXD data source, and will no longer contact the
EC2-compatible meta-data server from OpenStack. This means that all LXD
instances will not receive any meta-data anymore, as it is only
available via the meta-data server.
No new LXD instances can be started and configured in OpenStack, not
with the current LTS 18.04 nor the LTS 20.04 images. We cannot rebuild
instances nor spawn new ones, despite using the LTS releases that
formerly worked.
Can the upgrade be rolled backed, or the data source be disabled, to
restore the original LTS behavior?
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: cloud-init 21.4-0ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 4.15.0-166.174-generic 4.15.18
Uname: Linux 4.15.0-166-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CloudName: OpenStack
Date: Wed Jan 26 15:44:05 2022
Ec2AMI: ami-000002c6
Ec2AMIManifest: FIXME
Ec2AvailabilityZone: az3
Ec2InstanceType: p2.medium
Ec2Kernel: unavailable
Ec2Ramdisk: unavailable
PackageArchitecture: all
ProcEnviron:
SHELL=/bin/bash
LANG=C.UTF-8
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
PATH=(custom, no user)
SourcePackage: cloud-init
UpgradeStatus: No upgrade log present (probably fresh install)
user_data.txt: Error: path contained symlinks.
** Affects: cloud-init (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug ec2-images focal
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https://bugs.launchpad.net/bugs/1959118
Title:
LTS upgrade to v21 breaks in LXD containers in OpenStack (nova-
compute-lxd)
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