infra/ansible/roles/vault_server/tasks/main.yml

---
- name: ensure vault group
  group:
    name: vault
    state: present
    system: True

- name: ensure vault user
  user:
    name: vault
    state: present
    group: vault
    system: True

- name: ensure vault config dir
  file:
    path: /etc/vault.d/
    state: directory
    owner: vault
    group: vault
    mode: 0755

- name: copy vault unit file
  copy:
    src: files/vault.service
    dest: /etc/systemd/system/vault.service
    mode: 0755
    owner: root
    group: root
  notify: daemon_reload

- name: ensure vault certs dir
  file:
    path: /etc/vault.d/certs/
    state: directory
    owner: vault
    group: vault
    mode: 0755

- name: check if server cert is expiring in the next 5 days
  shell: "openssl x509 -checkend 432000 -noout -in /etc/vault.d/certs/vault.pem"
  args:
    executable: /bin/bash
  failed_when: False
  check_mode: False
  changed_when: False
  register: exp

- name: get cert
  shell: "vault write pki_int/issue/{{ vault_pki_policy }} common_name=vault.service.{{ consul_domain }} alt_names=vault.service.{{ main_dc_name }}.{{ consul_domain }} ttl=43200m"
  args:
    executable: /bin/bash
  environment:
    VAULT_ADDR: http://vault.service.masked.name:8200
    VAULT_TOKEN: "{{ lookup('file', lookup('env', 'HOME') + '/.vault-token') }}"
    VAULT_FORMAT: json
  register: cert_data
  when: exp.rc != 0
  notify: reload_vault

- name: write cert data to server
  copy:
    content: "{{ item.content }}"
    dest: "/etc/vault.d/certs/{{ item.path }}"
    mode: '{{ item.mode }}'
    owner: vault
    group: vault
  when: cert_data.changed
  loop:
    - {
        content: "{{ (cert_data.stdout | from_json).data.certificate }}",
        path: "vault.pem",
        mode: "0755"
    }
    - {
        content: "{{ (cert_data.stdout | from_json).data.private_key }}",
        path: "vault.key",
        mode: "0600"
    }

- name: template vault config
  template:
    src: templates/vault.hcl.j2
    dest: /etc/vault.d/vault.hcl
    owner: vault
    group: vault
    mode: 0640
  notify: restart_vault_debian

- name: ensure vault is started and enabled
  systemd:
    name: vault
    state: started
    enabled: True
...