c12s-kubespray/roles/kubernetes/node/tasks/secrets.yml

---
- name: certs | create system kube-cert groups
  group: name={{ kube_cert_group }} state=present system=yes

- name: create system kube user
  user:
    name=kube
    comment="Kubernetes user"
    shell=/sbin/nologin
    state=present
    system=yes
    groups={{ kube_cert_group }}

- name: certs | make sure the certificate directory exits
  file:
    path={{ kube_cert_dir }}
    state=directory
    mode=o-rwx
    group={{ kube_cert_group }}

- name: tokens | make sure the tokens directory exits
  file:
    path={{ kube_token_dir }}
    state=directory
    mode=o-rwx
    group={{ kube_cert_group }}

- include: gen_certs.yml
  run_once: true
  when: inventory_hostname == groups['kube-master'][0]

- include: gen_tokens.yml
  run_once: true
  when: inventory_hostname == groups['kube-master'][0]

# Sync certs between nodes
- user:
    name: '{{ansible_user_id}}'
    generate_ssh_key: yes
  delegate_to: "{{ groups['kube-master'][0] }}"
  run_once: yes

- name: 'get ssh keypair'
  slurp: path=~/.ssh/id_rsa.pub
  register: public_key
  delegate_to: "{{ groups['kube-master'][0] }}"

- name: 'setup keypair on nodes'
  authorized_key:
    user: '{{ansible_user_id}}'
    key: "{{public_key.content|b64decode }}"

- name: synchronize certificates for nodes
  synchronize:
    src: "{{ item }}"
    dest: "{{ kube_cert_dir }}"
    recursive: yes
    delete: yes
    rsync_opts: [ '--one-file-system']
  with_items:
    - "{{ kube_cert_dir}}/ca.pem"
    - "{{ kube_cert_dir}}/node.pem"
    - "{{ kube_cert_dir}}/node-key.pem"
  delegate_to: "{{ groups['kube-master'][0] }}"