[opencms-dev] OCEE in Kubernetes Cluster

[Jensen Asger]

Hi,

We did something similar to that. You have to configure the cluster using the Jgroups Kubernetes ping configuration and add the necessary service accounts etc to your kubernetes cluster.

https://github.com/jgroups-extras/jgroups-kubernetes

We are using the "one db, one workspace server, a set of clients" setup (i forget what it is called).

For "reasons", we did not want persistent storage volumes outside the database, so each "worker" is bootstrapped from scratch when it starts. This took a bit of rejiggering to get going, especially because we wanted to be able to cleanly scale the worker sets up and down, and the default scripts assumed you persisted the disk between runs. (ie in how it detects if it should run an upgrade or an install, etc)

CI wise, we build the docker container and add the various modules to it, and these are then deployed during startup. License information is then stored as a kube secret, and made available to the docker image during startup, for writing into the proper files.

Works great, but..... it would have been nice, if opencms was less reliant on random files surving between restarts. Ie if all config was data driven.



From: opencms-dev <opencms-dev-bounces at opencms.org> on behalf of martin.rosenthal--- via opencms-dev <opencms-dev at opencms.org>
Date: Friday, 25 February 2022 at 10.15
To: The OpenCms mailing list <opencms-dev at opencms.org>
Cc: martin.rosenthal at oerag.de <martin.rosenthal at oerag.de>
Subject: [opencms-dev] OCEE in Kubernetes Cluster

Hello,

As part of our IT strategy, we would like to bring our OpenCms OCEE cluster
into our Kubernetes cluster. Does the OCEE Cluster Manager support an
installation in Kubernetes? Is there any experience here? Furthermore, we
would then like to integrate OpenCms into our CI/CD pipeline and build our
own modules (JSPs and JARs with services) on a regular automated basis and
ship them to the production system. We would like to do that without using
the OpenCms GUI for manual module deployment. Do you see any possibilities
here?

Thanks a lot and regards,
Martin Rosenthal
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