Need help with ansible playbook

[Shivani Arora]

Hi All,

I need help with writing an ansible playbook, where it loops over a few pods and checks if any pod is not running, does a describe on it, and prints the events (we get when we describe pods).

I'm stuck on the 2nd task here, where I can fetch 'stdout' but cannot filter the pod name from stdout. Please suggest how I can implement this.

I'm passing services_to_upgrade as an argument while running the playbook.

- name: Get pod information
  command: "kubectl get pods -l app={{ item }} -o json"
  register: pods_info
  with_items: "{{ services_to_upgrade.keys() }}"

- name: Print pod info
  set_fact:
      pod_name: "{{ pods_info.results| json_query('[*].stdout[]')  }}"

I am looking forward to any suggestions.

Thanks

[Dick Visser]

Impossible without knowing what your variables look like. Provide those and we may be able to help

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[Shivani Arora]

Thanks for replying.

This is how I'm passing the variables -

ansible-playbook <playbook-name> --extra-vars "{'services_to_upgrade':{'hedwig':'1.0.9-63','venus':'1.0.11-2198'}}"

[Rowe, Walter P. (Fed)]

Try to remove the * from [*] and the square brackets from stdout ( change 'stdout[]' becomes 'stdout' ). This will give you all of list of stdout strings. If you the individual lines of stdout then use stdout_lines.

  set_fact:
      pod_name: "{{ pods_info.results | json_query('[].stdout')  }}"

Walter
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Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

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