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Containers based Undercloud Deployment

The requirements for a containerized undercloud are the same as for any other undercloud deployment. The real difference is in where the undercloud services will be deployed (containers vs base OS).

The undercloud architecture based on Moby (also Podman as of Stein) containers is not very different from the baremetal/VM based one. The services deployed in the traditional baremetal undercloud are also deployed in the containers based one.

One obvious difference between these two types of deployments is that the openstack services are deployed as containers in a container runtime rather than directly on the host operating system. This reduces the required packages in the host to the bare minimum for running the container runtime and managing the base network layer.


Check the install_undercloud and ../post_deployment/upgrade/undercloud sections for deploying and upgrading a containerized undercloud.


Check the debug-containers section for more tips and tricks for debugging containers.


Check our "Deep Dive" video which explain the architecture backgrounds and changes as well as some demos and Q/A.