[Kolla] update

Pierre Riteau pierre at stackhpc.com
Mon Aug 30 22:02:35 UTC 2021

On Mon, 30 Aug 2021 at 17:48, Ignazio Cassano <ignaziocassano at gmail.com> wrote:
> Hello, I would like to ask if the procedure I am using for update my kolla wallaby is correct.
> Every week new images are released so I execute the following steps:
> 1. Pull new images on my local registry
> 2 pull new images from my local registry to controllers and compute nodes
> 3 kolla-ansible deploy
> Are the above steps the correct way or I missed something?
> Must I clean something before deploying ?
> Thanks
> Ignazio

This approach is correct. Step 2 will ensure `kolla-ansible deploy`
knows that new images are available. You can verify it yourself: after
executing step 2, run `docker ps` on your nodes and you should see
containers running from images identified only by an ID. This is
because the tag (for example wallaby) references the new image.

However, as Sean said, changing the tag each time you redeploy will
allow you to revert to previous container images if anything went bad.
Additionally, it would allow you to skip step 2, since the deploy
command will automatically pull images from the local registry, as
they will be absent from the nodes.

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