[kolla-ansible] [kuryr] Running Docker Swarm with Kuryr networking
mnasiadka at gmail.com
Wed Sep 1 13:57:29 UTC 2021
Would you like to use the Docker engine that is running on the OpenStack cluster hosts, or create Virtual Machines that will be used for a Docker Swarm cluster?
I would propose the latter.
About Kuryr - we don’t have CI coverage for testing Kuryr in Kolla-Ansible deployment, so the container images and Ansible deployment role are provided as-is currently.
Maybe somebody from Kuryr project could help you out? Adding [kuryr] tag for visibility.
On 1 Sep 2021, 00:32 +0200, Paolo Celati <paolo at celati.com>, wrote:
> long story short I have a 3 node Openstack cluster that I manage with kolla-ansible, and I'd like to run Docker Swarm on that as well. I am aware Magnum exists, but I'd first like to get my head around this simpler case.
> Seeing as I'd like to connect Docker containers from swarm compose files to Neutron networks I'm trying to set up Kuryr together with a swarm configuration. However the documentation is a little scarce and I'd prefer running everything on these three hosts, including etcd. If I follow the guide and pass --cluster-store and --cluster-advertise arguments to dockerd then I can't run Docker in Swarm mode because I get an error saying Swarm is incompatible with those options, and at the same time it's not clear from documentation how you are expected to do Kuryr+Swarm. I did initialise the Swarm cluster before trying to add Kuryr, so I don't know if perhaps doing this the other way works? Do you have ideas or advice with this scenario? If worst comes to worst I can set up an external etcd cluster on a separate non-Openstack cluster but I'd rather avoid that.
> Thanks in advance,
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