[Bug 1796376] Re: Bug #1739107 fix causes linux-cloud-tools-common not to be upgradable with unattended-upgrades on shutdown mode

** Changed in: linux (Ubuntu Xenial)
Status: New => Invalid

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https://bugs.launchpad.net/bugs/1796376

Title:
Bug #1739107 fix causes linux-cloud-tools-common not to be upgradable
with unattended-upgrades on shutdown mode

Status in linux package in Ubuntu:
Invalid
Status in unattended-upgrades package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Invalid
Status in unattended-upgrades source package in Xenial:
In Progress
Status in linux source package in Bionic:
Invalid
Status in unattended-upgrades source package in Bionic:
In Progress
Status in linux source package in Cosmic:
Invalid
Status in unattended-upgrades source package in Cosmic:
Fix Released
Status in linux source package in Disco:
Invalid
Status in unattended-upgrades source package in Disco:
Fix Released

Bug description:
Since the following linux-cloud-tools-common package versions :

Xenial : 4.4.0-135.161
Bionic : 4.15.0-34.37

the Systemd service unit file for hv-kvp-daemon has been modified with new dependencies that make the package unable to be upgraded with unattended-upgrades on shutdown mode.
Unattended-upgrades hangs with the linux-cloud-tools-common package during "Preparing to unpack". The server restarts after the unattended-upgrades service timeout expires.

- Package state after reboot :

iFR linux-cloud-tools-common 4.15.0-34.37
all Linux kernel version specific cloud tools for version
4.15.0

- Unattended-upgrades dpkg logs :

Log started: 2018-10-05 17:59:04
(Reading database ... 52043 files and directories currently installed.)
Preparing to unpack .../linux-cloud-tools-common_4.15.0-36.39_all.deb ...
Log ended: 2018-10-05 18:00:54

- Impact :

The current impact is very important as all security updates are
blocked until you manually fix each server with :

dpkg --configure -a
apt install --only-upgrade linux-cloud-tools-common

- Workaround/Fix :

As a simple straightforward fix, replacing :

Before=shutdown.target cloud-init-local.service walinuxagent.service

with :

Before=shutdown.target walinuxagent.service

makes the package upgradable during shutdown.

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