gistfile1.txt

- hosts: "{{ host_pattern }}"
  gather_facts: yes
  become: yes

  tasks:
    - name: Determine namespace (with app_id)
      set_fact:
        consul_namespace: "{{ facter_app_env }}-{{ facter_app_id }}"
      when: facter_app_id != ''

    - name: Determine namespace (without app_id)
      set_fact:
        consul_namespace: "{{ facter_app_env }}"
      when: facter_app_id == ''

    - name: Append namespace to creation list
      delegate_to: localhost
      delegate_facts: true
      set_fact:
        namespaces_to_be_created: "{{ hostvars['localhost']['namespaces_to_be_created'] | default([]) | union([ consul_namespace ]) | unique }}"
      when: namespace_check_response.status == 404

- hosts: localhost
  gather_facts: false

  tasks:
    - include_tasks: tasks/create-namespace.yml
      vars:
        consul_namespace: "{{ item }}"
      with_items: "{{ namespaces_to_be_created | default([]) }}"