Need guidance on how to develop ansible playbook for ocp pod health checks

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1

I’m new to OCP. I got a task to develop playbook for health check.

Shared few ocp pod health check commands to execute in playbook.

Need help how to develop the playbook

2

Can you post more information on what tasks you want to run on the pods?

In any case, the kubernetes.core.k8s_exec kubernetes.core.k8s_exec module – Execute command in Pod — Ansible Community Documentation allows you to run commands on existing pods. You can select which pods are your target using kubernetes.core.k8s_info

Do you want to run commands for health checks inside pods, say, the etcd pods?

3

I want to develop playbook for health check report.
Cluster health commands should be run via automated ansible playbook.
For eg,
oc get pods -n openshift
Like above commands should be run via ansible playbook

4

If you’re new to developing playbooks, take a look at this post in the same forum: Getting Started with Ansible - Resources You need to understand basics like tasks before you can write the playbook.

That being said, if there’s a module, you should try to use the module instead of having Ansible run the command. Instead of trying to run oc get pods -n openshift, use the module as shown below to get the same effect.

- name: Get OpenShift Pods
  hosts: localhost
  gather_facts: no
  environment:
    K8S_AUTH_HOST: 'http://...'
    K8S_AUTH_API_KEY: <your api key>
  tasks:
    - name: Retrieve pods in OpenShift namespace
      kubernetes.core.k8s_info:
        kind: Pod
        namespace: openshift
      register: openshift_pods

    - name: Display returned info
      debug:
        msg: "{{ openshift_pods.resources }}"