build.yml

- name: Add host to topology
  hosts: localhost
  connection: local
  gather_facts: no
  tags:
    - cull
  vars:
    include_groups: 'all'
    exclude_groups: 'ha'
    include_hosts: []
  tasks:
    - set_fact:
        include_hosts: "{{ include_hosts|default([]) + groups[item] }}"
      loop: "{{ include_groups.split(',') }}"

    - set_fact:
        exclude_hosts: "{{ exclude_hosts|default([]) + groups[item] }}"
      loop: "{{ exclude_groups.split(',') | difference(include_groups.split(',')) }}"

    - add_host:
        name: "{{ item }}"
        groups: virl_nodes
      when: hostvars[item].virl is defined
      loop: "{{ include_hosts | difference(exclude_hosts) }}"

- name: Generating day0 config
  hosts: virl_nodes
  gather_facts: no
  tags:
    - config
  tasks:
    - set_fact:
        day0_config: "{{ lookup('template', virl.config_template) }}"
      when: virl.config_template is defined

- hosts: localhost
  connection: local
  gather_facts: no
  vars:
    topo_file: topo.virl
    topo_name: "{{ topo_file.split('.')[0] }}"
    topo_id: "{{ lookup('password', '/dev/null length=4 chars=ascii_letters') }}"
    session: "{{ lookup('env', 'VIRL_SESSION') | default('') }}"
  tasks:
    - block:
      - name: Check for session id file
        stat:
          path: "{{ virl_sim_file }}"
        register: stat_result

      - name: Get the existing session ID
        set_fact:
          session: "{{lookup('file', virl_sim_file) }}"
        when: stat_result.stat.exists
      when: session == ""

    - name: Skip if we have a session passed in
      include_role:
        name: ansible-virl
        tasks_from: build

    - name: Check on simulation {{ session }}
      include_role:
        name: ansible-virl
        tasks_from: check
      when: session != ""