purge-grafana.yml

---
- name: Purge standalone Grafana namespace
  hosts: localhost
  gather_facts: false
  vars:
    grafana_namespace: ''
  tasks:
    - name: Check namespace is set 
      fail:
        msg: "You must set the grafana_namespace variable - Hint: -e grafana_namespace=perfscale"
      when: grafana_namespace | length == 0

    - name: Gather available namespaces
      command:
        cmd: oc get ns -o jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}'
      register: namespace_list

    - name: Check namespace exists
      fail:
        msg: "{{ grafana_namespace }} does not exist. Aborting."
      when: grafana_namespace not in namespace_list.stdout_lines

    - name: Confirm before deletion
      pause:
        prompt: Are you sure you want to delete the namespace '{{ grafana_namespace }}' (yes/no) ?
      register: confirm

    - name: Aborting the namespace delete
      debug:
        msg: Aborted the namespace delete
      when: confirm.user_input.upper() != 'YES'
    
    - name: Deleting the namespace
      command:
        cmd: oc delete ns {{ grafana_namespace }}
      when: confirm.user_input.upper() == 'YES'