[Hawkular-dev] Hawkular Metrics Openshift Containers

[Matt Wringe]

On 20/04/15 09:57 AM, Viet Nguyen wrote:
> Matt,
> I was the last person who worked on that Docker build for Hawkular-metrics. Yes, it is obsolete and can be removed.
>
> FYI there's an automated Docker build of Kettle in DockerHub and a continuous deployment to a Kubernetes cluster
>
> Docker Hub:
> https://registry.hub.docker.com/u/hawkular/hawkular/
>
> CI Pipeline:
> https://docs.google.com/presentation/d/14zqOHOvXAB4uN7W_fWOub3ZD6txiS_Vp9cjUNIlj2yQ/edit?usp=sharing

I went through and have the docker images being built using a docker 
maven plugin. So during the maven build, you can create the image and 
push it out to a registry.

It works great on a local machine, one maven build and I have the docker 
images and kubernetes application zip created. But looking at how the 
current CI is done, it might not have been the best solution (it would 
require the credentials of the docker hub user to be added into the CI 
setup somewhere).

It might make more sense to do it the way the current CI is setup with 
the kettle builds. Anyone have any preferences?

>
>
> Viet
>
>
>
>
> ----- Original Message -----
> From: "Matt Wringe" <mwringe at redhat.com>
> To: hawkular-dev at lists.jboss.org
> Sent: Friday, April 17, 2015 3:44:12 PM
> Subject: [Hawkular-dev] Hawkular Metrics Openshift Containers
>
> I have a new subproject in Hawkular Metrics which sets up creating
> components for Openshift/Fabric8
> (https://github.com/hawkular/hawkular-metrics/pull/200).
>
> There are 3 main parts
>
> Cassandra: creates a custom seed provider to support
> ReplicationControllers in Kubernetes, creates a folder/zip archive which
> can be used to generate a Docker image. It may make sense to move the
> Cassandra parts out to a separate project.
>
> Hawkular Metrics: creates a folder/zip archive which can be used to
> generate a Docker image
>
> Kubernetes: pulls everything together into a single kubernetes
> application. Can be used to deploy an application zip into fabric8 (via
> drag and drop in the web console or via the maven plugin) or deploy all
> the components into Openshift via the kubernetes.json configuration file.
>
> The docker images are not created and deployed to a docker registry as
> part of the build, it will just create a folder where you can run the
> docker build from. None of the maven docker plugins I looked at seemed
> to really work properly, so its still a manual process to do the build
> (and push to a registry). Its something which needs to be improved.
>
> The Cassandra service currently only supports adding new nodes to a
> cluster and not removing them via the ReplicationController. This is due
> to the replication factor being set to be 1 by default (which means when
> a node is removed, so is the data it contained).
>
> I believe the docker subproject of hawkular metrics is obsolete and can
> be removed
> (https://github.com/hawkular/hawkular-metrics/tree/master/docker), but
> someone please correct me if I am wrong. It's scripts are referring to
> the console which no longer exists as part of the project.
>
> - Matt
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