** Description changed:
+ [Impact]
+
+ The package FTBFS in Focal likely because a newer version of golang-
+ github-prometheus-common was introduced after prometheus-alertmanager
+ and a rebuild was not done. Not being able to build the package form
+ source does not allow uploads of eventual fixes (security or regular
+ ones) which is definitely not good for the users.
+
+ The Prometheus common lib API change which is impacting prometheus-
+ alertmanager is minor. There is an extra argument in NewClientFromConfig
+ function to enable or not HTTP/2. The proposed fix apply a patch
+ enabling HTTP/2 in all the calls made to NewClientFromConfig.
+
+ [Test Case]
+
+ Try to build the package in Focal:
+
+ $ lxc launch ubuntu-daily:focal builder
+ $ lxc shell builder
+ # echo "deb-src http://archive.ubuntu.com/ubuntu/ focal main universe" > \
+ /etc/apt/sources.list.d/source.list
+ # apt update && apt upgrade -y
+ # apt install -y dpkg-dev
+ # apt source prometheus-alertmanager
+ # apt build-dep -y prometheus-alertmanager
+ # cd prometheus-alertmanager-0.15.3+ds
+ # dpkg-buildpackage
+
+ To fix the FTBFS apply the debdiff attached to this bug and build the
+ package again.
+
+ [Regression Potential]
+
+ In the case where the user environment do not support HTTP/2 there might
+ be a regression. HTTP/2 tries to be highly compatible with HTTP/1.1 but
+ there might be any corner case.
+
+ [Original Description]
+
Currently, prometheus-alertmanager version 0.15.3+ds-3 FTBFS in Focal:
https://paste.ubuntu.com/p/CcCYC3w3YC/
The Prometheus common golang library changed its API and the
alertmanager version we have in Focal is not ready for it.
** Also affects: prometheus-alertmanager (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: prometheus-alertmanager (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1897967
Title:
FTBFS in Focal
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