kubeadm-setup.yml

---
- name: kubeadm | aggregate all SANs
  set_fact:
    apiserver_sans: >-
      kubernetes
      kubernetes.default
      kubernetes.default.svc
      kubernetes.default.svc.{{ dns_domain }}
      {{ kube_apiserver_ip }}
      localhost
      127.0.0.1
      {{ ' '.join(groups['kube-master']) }}
      {%- if loadbalancer_apiserver is defined and apiserver_loadbalancer_domain_name is defined %}
      {{ apiserver_loadbalancer_domain_name }}
      {%- endif %}
      {%- for host in groups['kube-master'] -%}
      {%- if hostvars[host]['access_ip'] is defined %}{{ hostvars[host]['access_ip'] }}{% endif -%}
      {{ hostvars[host]['ip'] | default(hostvars[host]['ansible_default_ipv4']['address']) }}
      {%- endfor %}
  tags: facts

- name: kubeadm | Copy etcd cert dir under k8s cert dir
  command: "cp -TR {{ etcd_cert_dir }} {{ kube_config_dir }}/ssl/etcd"
  changed_when: false

- name: kubeadm | Create kubeadm config
  template:
    src: kubeadm-config.yaml.j2
    dest: "{{ kube_config_dir }}/kubeadm-config.yaml"
  register: kubeadm_config

- name: kubeadm | Initialize cluster
  command: timeout -k 240s 240s kubeadm init --config={{ kube_config_dir }}/kubeadm-config.yaml --skip-preflight-checks
  register: kubeadm_init
  when: kubeadm_config.changed