infra/provision.yml

---
- name: check input parameters
  hosts: localhost
  gather_facts: false
  tags: always
  tasks:
  - fail: msg="env_name should be set"
    when: env_name is not defined
  - fail: msg="stack_name should be set"
    when: stack_name is not defined

- name: provisioning PVE nodes
  hosts: localhost
  gather_facts: false
  roles:
  - {role: prepare-config, tags: [ ]}
  - {role: pve, tags: [ ]}
  - {role: lxc, tags: [ ]}
  - {role: inventory, bootstrap: yes, tags: [ ]}
  tags: [ provision ]

- name: prepare nodes
  hosts: stack
  gather_facts: false
  # cannot use free strategy due usage of add_host after
  # NICs reconfiguration
  #strategy: free
  pre_tasks:
    - meta: end_play
      when: destroy_all is defined and destroy_all|bool
    - name: install prereqs
      raw: 'apt-get update && apt-get install -qy python2.7\(distutils\)'
      when: destroy_all is not defined or not destroy_all
    - name: gather facts
      setup:
      when: destroy_all is not defined or not destroy_all
  roles:
  - {role: prepare-config, tags: [ ]}
  - {role: common, tags: [ ]}
  tags: [ prepare ]

- name: put ssh host keys to all nodes
  hosts: stack
  gather_facts: false
  strategy: free
  pre_tasks:
    - meta: end_play
      when: destroy_all is defined and destroy_all|bool
  tasks:
    - name: put keys to known hosts
      copy:
        src: ".tmp/{{ stack_name }}.known_hosts"
        dest: "/etc/openssh/ssh_known_hosts"
        owner: root
        group: root
        mode: 0644
    - name: register nodes in /etc/hosts
      lineinfile:
        path: /etc/hosts
        regexp: ".*{{ item }}$"
        line: "{{ hostvars[item].ansible_default_ipv4.address }} {{ item }}"
        state: present
      when: hostvars[item].ansible_default_ipv4.address is defined
      with_items: "{{ play_hosts }}"
  tags: [ prepare ]