processinfo.yaml

- hosts: openshift
  tasks:
  - name: Get pod containers
    shell: oc get po -n {{ item }} -o json | jq -r '.items[] | select(.status.conditions[] | select(.type=="Ready" and .status=="True")) | .status.containerStatuses[].containerID' | cut -c 10- | tr '\n' ' '
    register: containers
    loop:
    - mannequin-test
    - "{{ control_plane }}"
  - name: Set containers
    set_fact:
      container_ids: "{{ item.container_ids }}"
    delegate_to: "{{ item.host }}"
    delegate_facts: true
    run_once: true
    loop:
    - host: "{{ groups['compute'][0] }}"
      container_ids: "{{ containers.results[0].stdout }}"
    - host: "{{ groups['openshift'][0] }}"
      container_ids: "{{ containers.results[1].stdout }}"
- hosts: [ compute, openshift ]
  tasks:
  - name: Get process ids
    shell: sudo docker inspect {{ container_ids }}
    register: docker_inspect
  - name: Filter pids
    set_fact:
      pids: "{{ docker_inspect.stdout | from_json | json_query('[].State.Pid') }}"
  - name: Get process info
    # Assuming that container pids are session leaders
    shell: ps fu -s {{ pids | join(' -s ')}}
    register: psinfo
- hosts: 127.0.0.1
  connection: local
  tasks:
  - name: Store process info
    copy:
      content: "{{ hostvars[item]['psinfo']['stdout'] }}"
      dest: "ps.{{ hostvars[item]['ansible_fqdn'] }}.txt"
    loop:
    - "{{ groups['compute'][0] }}"
    - "{{ groups['openshift'][0]}}"