kubespray/roles/dnsmasq/tasks/dnsmasq.yml

---
- name: ensure dnsmasq.d directory exists
  file:
    path: /etc/dnsmasq.d
    state: directory

- name: ensure dnsmasq.d-available directory exists
  file:
    path: /etc/dnsmasq.d-available
    state: directory

- name: Write dnsmasq configuration
  template:
    src: 01-kube-dns.conf.j2
    dest: /etc/dnsmasq.d-available/01-kube-dns.conf
    mode: 0755
    backup: yes

- name: Stat dnsmasq configuration
  stat: path=/etc/dnsmasq.d/01-kube-dns.conf
  register: sym

- name: Move previous configuration
  command: mv /etc/dnsmasq.d/01-kube-dns.conf /etc/dnsmasq.d-available/01-kube-dns.conf.bak
  changed_when: False
  when: sym.stat.islnk is defined and sym.stat.islnk == False

- name: Enable dnsmasq configuration
  file:
    src: /etc/dnsmasq.d-available/01-kube-dns.conf
    dest: /etc/dnsmasq.d/01-kube-dns.conf
    state: link

- name: Create dnsmasq manifests
  template: src={{item.file}} dest=/etc/kubernetes/{{item.file}}
  with_items:
    - {file: dnsmasq-ds.yml, type: ds}
    - {file: dnsmasq-svc.yml, type: svc}
  register: manifests
  when: inventory_hostname == groups['kube-master'][0]

- name: Start Resources
  kube:
    name: dnsmasq
    namespace: kube-system
    kubectl: "{{bin_dir}}/kubectl"
    resource: "{{item.item.type}}"
    filename: /etc/kubernetes/{{item.item.file}}
    state: "{{item.changed | ternary('latest','present') }}"
  with_items: "{{ manifests.results }}"
  when: inventory_hostname == groups['kube-master'][0]

- name: Check for dnsmasq port (pulling image and running container)
  wait_for:
    host: "{{dns_server}}"
    port: 53
    delay: 5
  when: inventory_hostname == groups['kube-node'][0]