main.yaml

- name: Install k8s APT repo GPG key
  apt_key:
    url: 'https://packages.cloud.google.com/apt/doc/apt-key.gpg'
    state: present

- name: Install Docker APT repo GPG key
  apt_key:
    id: F76221572C52609D
    keyserver: keyserver.ubuntu.com
    state: present

- name: Setup k8s APT repo
  apt_repository:
    repo: deb http://apt.kubernetes.io/ kubernetes-xenial main
    state: present

- name: Setup Docker APT repo
  apt_repository:
    repo: deb http://apt.dockerproject.org/repo ubuntu-xenial main
    state: present

- name: Install docker and kubernetes packages
  apt:
    name: "{{item}}"
    state: installed
    update_cache: yes
  with_items:
    - docker-engine=1.12.6-0~ubuntu-xenial
    - kubelet=1.10.0-00
    - kubeadm=1.10.0-00
    - kubectl=1.10.0-00
    - kubernetes-cni=0.6.0-00

- name: configure docker to use journald
  copy:
    content: |
      {
        "log-driver": "journald"
      }
    dest: /etc/docker/daemon.json
    owner: root
    group: root
    mode: 0644
  notify:
    - Restart docker

- name: add hosts
  lineinfile:
    dest: "/etc/hosts"
    regexp: ".*{{ hostvars[item].ansible_hostname }}$"
    line: "{{ hostvars[item].ansible_default_ipv4.address }} {{ hostvars[item].ansible_hostname }}"
    state: present
  when: hostvars[item].ansible_hostname is defined
  with_items: "{{groups['all'] | default([])}}"

- name: Create OpenStack cloud configuration
  template:
    src: files/cloud-config.j2
    dest: /etc/kubernetes/cloud-config
    mode: 0600

- name: Override default kubeadm configuration to use the OpenStack cloud configuration
  copy:
    src: files/10-kubeadm.conf
    dest: /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
    mode: 0600
  notify:
    - Restart kubelet