kubespray/roles/kubernetes/master/tasks/main.yml

---
- include: pre-upgrade.yml

- name: Copy kubectl bash completion
  copy:
    src: kubectl_bash_completion.sh
    dest: /etc/bash_completion.d/kubectl.sh
  when: ansible_os_family in ["Debian","RedHat"]

- name: Copy kubectl from hyperkube container
  command: "/usr/bin/docker run --rm -v {{ bin_dir }}:/systembindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /bin/cp /hyperkube /systembindir/kubectl"
  changed_when: false
  register: kubectl_launcher

- meta: flush_handlers

- name: Write kube-apiserver manifest
  template:
    src: manifests/kube-apiserver.manifest.j2
    dest: "{{ kube_manifest_dir }}/kube-apiserver.manifest"
  register: apiserver_manifest

- name: restart kubelet
  service:
    name: kubelet
    state: restarted
  when: apiserver_manifest.changed

- name: wait for the apiserver to be running
  uri: url=http://localhost:8080/healthz
  register: result
  until: result.status == 200
  retries: 10
  delay: 6


# Create kube-system namespace
- name: copy 'kube-system' namespace manifest
  copy: src=namespace.yml dest=/etc/kubernetes/kube-system-ns.yml
  run_once: yes
  when: inventory_hostname == groups['kube-master'][0]

- name: Check if kube-system exists
  command: "{{ bin_dir }}/kubectl get ns kube-system"
  register: 'kubesystem'
  changed_when: False
  failed_when: False
  run_once: yes


- name: Create 'kube-system' namespace
  command: "{{ bin_dir }}/kubectl create -f /etc/kubernetes/kube-system-ns.yml"
  changed_when: False
  when: kubesystem|failed and inventory_hostname == groups['kube-master'][0]

# Write other manifests
- name: Write kube-controller-manager manifest
  template:
    src: manifests/kube-controller-manager.manifest.j2
    dest: "{{ kube_manifest_dir }}/kube-controller-manager.manifest"

- name: Write kube-scheduler manifest
  template:
    src: manifests/kube-scheduler.manifest.j2
    dest: "{{ kube_manifest_dir }}/kube-scheduler.manifest"