13.3. Starting containers and pods with Podman


With the generated YAML files, you can automatically start containers and pods in any environment. The YAML files can be generated by using tools other than Podman, such as Kubernetes or Openshift. The podman play kube command allows you to recreate pods and containers based on the YAML input file.

Prerequisites

  • The container-tools meta-package is installed.

Procedure

  1. Create the pod and the container from the mypod.yaml file:

    $ podman play kube mypod.yaml
    Pod:
    b8c5b99ba846ccff76c3ef257e5761c2d8a5ca4d7ffa3880531aec79c0dacb22
    Container:
    848179395ebd33dd91d14ffbde7ae273158d9695a081468f487af4e356888ece
  2. List all pods:

    $ podman pod ps
    POD ID         NAME    STATUS    CREATED          # OF CONTAINERS   INFRA ID
    b8c5b99ba846   mypod   Running   19 seconds ago   2                 aa4220eaf4bb
  3. List all pods and containers associated with them:

    $ podman ps -a --pod
    CONTAINER ID  IMAGE                                       COMMAND    CREATED             STATUS                 PORTS  NAMES               POD
    848179395ebd  registry.access.redhat.com/ubi10/ubi:latest  /bin/bash  About a minute ago  Up About a minute ago         myubi               b8c5b99ba846
    aa4220eaf4bb  k8s.gcr.io/pause:3.1                                   About a minute ago  Up About a minute ago         b8c5b99ba846-infra  b8c5b99ba846

    The pod IDs from podman ps command matches the pod ID from the podman pod ps command.

    For more information, see the podman-play-kube(1) man page on your system.

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