---

# Parameters:
#   playbook inventory
#     stage := the name of the stage (e.g. dev, int, qa, prod)
#     tenant := object with tenant related data
#       key := 
#     cluster := object with cluster specific data (optional)
#       key := 
#       size := 
#       service := 
#       features := 
#     data := object with action specific data (optional)
#       ...

#############################################################
#   Creating inventory dynamically for given cluster
#############################################################

- hosts: localhost
  gather_facts: false
  connection: local

  pre_tasks:
    - name: "Print given variables <cluster>"
      debug:
        msg: "{{ cluster }}"
      become: false
      when:
        - cluster is defined
    - name: "Print given variables <data>"
      debug:
        msg: "{{ data }}"
      become: false
      when:
        - data is defined

    - name: "Import constraints check"
      import_tasks: tasks/constraints_check.yml
      tags:
        - always

#     add virtual server to load stage specific variables as context
    - name: "Add <{{ stage }}-virtual-host-to-read-groups-vars> to hosts"
      add_host:
        name: "{{ stage }}-virtual-host-to-read-groups-vars"
        groups:
        - "stage_{{ stage }}"
      changed_when: False

  tasks:
    - name: "Add hosts for given cluster"
      add_host:
        name: "{{ stage }}-{{ tenant.key }}-{{ cluster.key }}-{{ '%02d' | format(item|int) }}"
        groups: "{{ ['hcloud'] + ['stage_' + stage ] + [cluster.service] + (cluster.features | default([])) }}"
      with_sequence: start=1 end={{ cluster.size | default(1) }}
      changed_when: False
      when:
        - cluster is defined