kubespray/roles/etcd/tasks/gen_certs_script.yml

---
- name: Gen_certs | create etcd cert dir
  file:
    path: "{{ etcd_cert_dir }}"
    group: "{{ etcd_cert_group }}"
    state: directory
    owner: kube
    mode: 0700
    recurse: yes

- name: "Gen_certs | create etcd script dir (on {{groups['etcd'][0]}})"
  file:
    path: "{{ etcd_script_dir }}"
    state: directory
    owner: root
    mode: 0700
  run_once: yes
  when: inventory_hostname == groups['etcd'][0]
  delegate_to: "{{groups['etcd'][0]}}"

- name: "Gen_certs | create etcd cert dir (on {{groups['etcd'][0]}})"
  file:
    path: "{{ etcd_cert_dir }}"
    group: "{{ etcd_cert_group }}"
    state: directory
    owner: kube
    recurse: yes
    mode: 0700
  run_once: yes
  when: inventory_hostname == groups['etcd'][0]
  delegate_to: "{{groups['etcd'][0]}}"

- name: Gen_certs | write openssl config
  template:
    src: "openssl.conf.j2"
    dest: "{{ etcd_config_dir }}/openssl.conf"
  run_once: yes
  delegate_to: "{{groups['etcd'][0]}}"
  when:
    - gen_certs|default(false)
    - inventory_hostname == groups['etcd'][0]

- name: Gen_certs | copy certs generation script
  template:
    src: "make-ssl-etcd.sh.j2"
    dest: "{{ etcd_script_dir }}/make-ssl-etcd.sh"
    mode: 0700
  run_once: yes
  delegate_to: "{{groups['etcd'][0]}}"
  when:
    - gen_certs|default(false)
    - inventory_hostname == groups['etcd'][0]

- name: Gen_certs | run cert generation script
  command: "bash -x {{ etcd_script_dir }}/make-ssl-etcd.sh -f {{ etcd_config_dir }}/openssl.conf -d {{ etcd_cert_dir }}"
  environment:
    - MASTERS: "{% for m in groups['etcd'] %}
                  {% if gen_node_certs[m] %}
                    {{ m }}
                  {% endif %}
                {% endfor %}"
    - HOSTS: "{% for h in (groups['k8s-cluster'] + groups['calico-rr']|default([]))|unique %}
                {% if gen_node_certs[h] %}
                    {{ h }}
                {% endif %}
              {% endfor %}"
  run_once: yes
  delegate_to: "{{groups['etcd'][0]}}"
  when:
    - gen_certs|default(false)
    - inventory_hostname == groups['etcd'][0]
  notify: set etcd_secret_changed

- name: Gen_certs | Gather etcd master certs
  slurp:
    src: "{{ item }}"
  register: etcd_master_certs
  with_items:
    - "{{ etcd_cert_dir }}/ca.pem"
    - "{{ etcd_cert_dir }}/ca-key.pem"
    - "[{% for node in groups['etcd'] %}
        '{{ etcd_cert_dir }}/admin-{{ node }}.pem',
        '{{ etcd_cert_dir }}/admin-{{ node }}-key.pem',
        '{{ etcd_cert_dir }}/member-{{ node }}.pem',
        '{{ etcd_cert_dir }}/member-{{ node }}-key.pem',
        {% endfor %}]"
    - "[{% for node in (groups['k8s-cluster'] + groups['calico-rr']|default([]))|unique %}
        '{{ etcd_cert_dir }}/node-{{ node }}.pem',
        '{{ etcd_cert_dir }}/node-{{ node }}-key.pem',
        {% endfor %}]"
  delegate_to: "{{groups['etcd'][0]}}"
  when: inventory_hostname in groups['etcd'] and sync_certs|default(false) and
        inventory_hostname != groups['etcd'][0]
  notify: set etcd_secret_changed

- name: Gen_certs | Gather etcd node certs
  slurp:
    src: "{{ item }}"
  register: etcd_node_certs
  with_items:
    - "{{ etcd_cert_dir }}/ca.pem"
    - "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}.pem"
    - "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}-key.pem"
  delegate_to: "{{groups['etcd'][0]}}"
  when: (('calico-rr' in groups and inventory_hostname in groups['calico-rr']) or
        inventory_hostname in groups['k8s-cluster']) and
        sync_certs|default(false) and inventory_hostname not in groups['etcd']
  notify: set etcd_secret_changed

- name: Gen_certs | Write etcd master certs
  copy:
    dest: "{{ item.item }}"
    content: "{{ item.content | b64decode }}"
    group: "{{ etcd_cert_group }}"
    owner: kube
    mode: 0640
  with_items: "{{ etcd_master_certs.results }}"
  when: inventory_hostname in groups['etcd'] and sync_certs|default(false) and
        inventory_hostname != groups['etcd'][0]

- name: Gen_certs | Write etcd node certs
  copy:
    dest: "{{ item.item }}"
    content: "{{ item.content | b64decode }}"
    group: "{{ etcd_cert_group }}"
    owner: kube
    mode: 0640
  with_items: "{{ etcd_node_certs.results }}"
  when: (('calico-rr' in groups and inventory_hostname in groups['calico-rr']) or
        inventory_hostname in groups['k8s-cluster']) and
        sync_certs|default(false) and inventory_hostname not in groups['etcd']