Public bug reported:
== Begin SRU Template ==
[Impact]
When upgrading from trusty to xenial, we are prompted about config changes on
50unattended-upgrades with the following diff:
--- /etc/apt/apt.conf.d/50unattended-upgrades root.root 0644 2017-05-08 19:21:39
+++ /etc/apt/apt.conf.d/50unattended-upgrades.ucftmp root.root 0644 2020-02-17
18:03:38
@@ -1,11 +1,13 @@
// Automatically upgrade packages from these (origin:archive) pairs
Unattended-Upgrade::Allowed-Origins {
+ "${distro_id}:${distro_codename}";
"${distro_id}:${distro_codename}-security";
// Extended Security Maintenance; doesn't necessarily exist for
// every release and this system may not have it installed, but if
// available, the policy for updates is such that unattended-upgrades
// should also install from here by default.
- "${distro_id}ESM:${distro_codename}";
+ "${distro_id}ESMApps:${distro_codename}-apps-security";
+ "${distro_id}ESM:${distro_codename}-infra-security";
// "${distro_id}:${distro_codename}-updates";
// "${distro_id}:${distro_codename}-proposed";
// "${distro_id}:${distro_codename}-backports";
The reason we are presented with this diff is that the xenial package
does not contain a md5sum history file that informs ucf about all the
supported configs for 50unattended-upgrades. To fix that upgrade
problem, we are prosing the following changes on the xenial package of
unattended-upgrades:
- Add 50unattended-upgrades.md5sum file into the xenial package
- Add md5sum of the current xenial 50unattende-upgrades file into the
md5sum history file
- Modify ucf command in postinst to be aware of the md5sum history file
See the changelog entry below for a full list of changes and bugs.
[Test Case]
We have performed a manual test with a modified version of the xenial package:
https://launchpad.net/~lamoura/+archive/ubuntu/unattended-upgrades-ppa
Using that package, we were able to verify that the config change prompt
no longer happens from trusty to xenial.
[Regression Potential]
Since we are modifying are features on unattended-upgrades, just adding a new
file to package, we don't believe there is any regression potential
[Discussion]
== End SRU Template ==
== Changelog ==
* data: add md5sum history file on the data folder
- This file contains md5sum of several supported 50unattended-upgrades
config files
* data: add xenial md5sum of 50unattented-upgrades into md5sum file
* debian/postint: make ucf command reference the md5sum history file
** Affects: unattended-upgrades (Ubuntu)
Importance: Undecided
Status: New
** Affects: unattended-upgrades (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: unattended-upgrades (Ubuntu Xenial)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1915547
Title:
sru unattended-upgrades ( 1.1ubuntu1.18.04.7~16.04.6 update to
1.1ubuntu1.18.04.7~16.04.7 ) Xenial
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