self-hosting/roles/kubernetes/tasks/main.yml

---
- set_fact: kube_arch="{{ ansible_architecture | replace('x86_64', 'amd64') | replace('arm', 'armhf') }}"

- include: modules.yml

- include: keepalived.yml
  when:
  - "'k8s_masters' in group_names"
  - groups.k8s_masters | length > 1

- name: Check all hosts can ping API floating IP
  shell: "ping {{ api_floating_ip }} -c 1"
  register: result
  until: ('100% packet loss' not in result.stdout)
  retries: 15
  delay: 10
  changed_when: no


- include: packages.yml

- include: kubeadm-token.yml
  when: inventory_hostname == initial_master

- include: kubeadm-config.yml

# add masters
- block:
    # docker-in-docker sometimes hangs pulling images so explicitly do it here
    #- include: docker-images.yml

    - include: kubeadm-master.yml
      when: inventory_hostname == initial_master

    # then we create the other masters
    - include: kubeadm-multi.yml
      when: inventory_hostname != initial_master

  when: "'k8s_masters' in group_names"

- name: Wait for coredns to be running
  shell: "kubectl get pods --namespace=kube-system | grep coredns | grep Running | wc -l"
  register: result
  until: ("2" in result.stdout)
  retries: 180
  delay: 10
  changed_when: no
  when: inventory_hostname == initial_master

- include: kubeadm-token.yml
  when: inventory_hostname == initial_master

# add non masters
- include: kubeadm-worker.yml
  when: "'k8s_masters' not in group_names"

# remove this wait and had a test to check all nodes are ready
- name: Wait for all nodes to be ready
  shell: "kubectl get nodes {{ ansible_hostname }} | tail -n+2 | awk '{ print $2 }'"
  register: result
  until: ("Ready" in result.stdout)
  retries: 36
  delay: 10
  changed_when: no
  delegate_to: "{{ initial_master }}"

- debug: var=result