[Jenkins-infra] Maintenance Window - ci.jenkins.io - 2019/03/06 - 9AM UTC+2

Adrien Lecharpentier adrien.lecharpentier at gmail.com
Mon Jun 3 11:11:04 UTC 2019


Thank you Olivier.

A side note on the report of issues: please make sure to use the label
`java11` so it can popup in different filters.
BR,
-- Adrien

Le lun. 3 juin 2019 à 11:38, Olblak <me at olblak.com> a écrit :

> Hi Everybody,
>
> I am happy to announce that ci.jenkins.io is now running on Java 11.
>
> Thanks Adrien Lecharpentier and Baptiste Mathus for their help during the
> migration and more globally thanks to all the people
> involved in the platform-sig <https://jenkins.io/sigs/platform/> for
> their work on jenkins running on java 11.
>
> Excepted minor issues that we fixed  during the migration, upgrading from
> jdk8 to jdk11 was really easy.
>
> In short we executed following steps:
>
>    - Set jenkins master in maintenance mode "Prepare for shutdown".
>    - Backup jenkins home, yolo
>    - Update JAVA_OPTS with options specific to java11 as defined here
>    <https://github.com/jenkins-infra/jenkins-infra/blob/66337c3cbff1f5ab0cc773ba4a55825f01a6b5cb/hieradata/clients/azure.ci.jenkins.io.yaml#L12> mainly
>    related to the garbage collector
>    - Move from the docker image jenkins/jenkins:lts-alpine to
>    jenkins/jenkins:lts-jdk11
>    - Restart Jenkins
>    - Ensure linux/windows agents use the same major java version than
>    master ( java 11 )
>
>
> For the windows agent we had to change the init script to use zulu11.31.11
> <https://cdn.azul.com/zulu/bin/zulu11.31.11-ca-jre11.0.3-win_x64.zip> instead
> of zulu8.28.0.1
> <https://cdn.azul.com/zulu/bin/zulu8.28.0.1-jdk8.0.163-win_x64.zip>
> And the linux agent was already using java11 anyway since we upgrade the
> agent to ubuntu 18.04
>
> As usual, feel free to report any issues that you may have about
> ci.jenkins.io, on issues.jenkins-ci.org using the 'infra' project.
>
> Remark, upgrading the other jenkins intances to java11 is not yet planned.
>
> Cheers
>
> ---
> -> gpg --keyserver keys.gnupg.net --recv-key 52210D3D
> ---
>
>
>
>
> On Mon, May 27, 2019, at 11:57 AM, Olblak wrote:
>
> Hi Everybody,
>
> The platform sig <https://jenkins.io/sigs/platform/> has been working
> hard on running jenkins with java11 and it's now time to use it in a real
> life scenario.
>
> Adrien Lecharpentier and I will upgrade ci.jenkins.io next Monday 3th of
> June at 9AM UTC+2.
>
> As usually with such maintenance, we'll communicate in different ways:
> * We'll be on a call using Google Meet
> <https://meet.google.com/hec-yjep-how> and on irc #jenkins-infra
> * We'll notify on this mail thread and update INFRA-2115
> <https://issues.jenkins-ci.org/browse/INFRA-2115> when the migration is
> done.
>
> In short we'll execute following steps:
> * Set jenkins master in maintenance mode "Prepare for shutdown"
> * Backup jenkins home
> * Update JAVA_OPTS with options specific to java11
> * Move from the docker image jenkins/jenkins:lts-alpine to
> jenkins/jenkins:jdk11
> * Ensure linux/windows agents use the same major java version than master
> ( java 11 )
>
> Remark: We won't (voluntarily ) modify the other jenkins instances, at
> least for this maintenance window.
>
> Cheers
>
> ---
> -> gpg --keyserver keys.gnupg.net --recv-key 52210D3D
> ---
>
>
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-- 
Adrien Lecharpentier
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