kubespray/roles/vault/tasks/shared/issue_cert.yml

---

# This could be a role or custom module

# Vars:
#   issue_cert_alt_name:    Requested Subject Alternative Names, in a list.
#   issue_cert_common_name: Common Name included in the cert
#   issue_cert_copy_ca:     Copy issuing CA cert needed
#   issue_cert_ca_filename: Filename for copied issuing CA cert (default ca.pem)
#   issue_cert_dir_mode:    Mode of the placed cert directory
#   issue_cert_file_group:  Group of the placed cert file and directory
#   issue_cert_file_mode:   Mode of the placed cert file
#   issue_cert_file_owner:  Owner of the placed cert file and directory
#   issue_cert_format:      Format for returned data. Can be pem, der, or pem_bundle
#   issue_cert_hosts:       List of hosts to distribute the cert to
#   issue_cert_ip_sans:     Requested IP Subject Alternative Names, in a list
#   issue_cert_mount_path:  Mount point in Vault to make the request to
#   issue_cert_path:        Full path to the cert, include its name
#   issue_cert_role:        The Vault role to issue the cert with
#   issue_cert_url:         Url to reach Vault, including protocol and port

- name: issue_cert | Ensure target directory exists
  file:
    path: "{{ issue_cert_path | dirname }}"
    state: directory
    group: "{{ issue_cert_file_group | d('root' )}}"
    mode: "{{ issue_cert_dir_mode | d('0755') }}"
    owner: "{{ issue_cert_file_owner | d('root') }}"

- name: "issue_cert | Read in the local credentials"
  command: cat {{ vault_roles_dir }}/{{ issue_cert_role }}/userpass
  register: vault_creds_cat
  delegate_to: "{{  groups.vault|first }}"
  run_once: true

- name: gen_certs_vault | Set facts for read Vault Creds
  set_fact:
    user_vault_creds: "{{ vault_creds_cat.stdout|from_json }}"
  delegate_to: "{{ groups.vault|first }}"
  run_once: true

- name: gen_certs_vault | Ensure vault cert dir exists
  file:
    path: "{{ vault_cert_dir }}"
    state: directory
    recurse: yes
    owner: "vault"
    group: "root"
    mode: 0755

- name: gen_certs_vault | install hvac
  pip:
    name: "hvac"
    state: "present"

- name: gen_certs_vault | Pull vault CA
  get_url:
    url: "{{ issue_cert_url }}/v1/vault/ca/pem"
    dest: "{{ vault_cert_dir }}/ca.pem"
    validate_certs: no
  when: '"https" in issue_cert_url'

- name: gen_certs_vault | Log into Vault and obtain a scoped token
  hashivault_token_create:
    url: "{{ issue_cert_url }}"
    token: "{{ vault_root_token | default(hostvars[groups.vault|first]['vault_root_token']) }}"
    ca_cert: "{{ vault_cert_dir }}/ca.pem"
    policies: "{{ user_vault_creds.username }}"
    display_name: "{{ user_vault_creds.username }}"
  register: vault_client_token_request
  run_once: true

- name: gen_certs_vault | Pull token from request
  set_fact:
    vault_client_token: "{{ vault_client_token_request['token']['auth']['client_token'] }}"
  run_once: true

- name: "issue_cert | Generate {{ issue_cert_path }} for {{ issue_cert_role }} role"
  hashivault_write:
    url: "{{ issue_cert_url }}"
    token: "{{ vault_client_token }}"
    ca_cert: "{% if 'https' in issue_cert_url %}{{ vault_cert_dir }}/ca.pem{% endif %}"
    secret: "{{ issue_cert_mount_path|d('/pki') }}/issue/{{ issue_cert_role }}"
    data:
      alt_names: "{{ issue_cert_alt_names | d([]) | join(',') }}"
      common_name: "{{ issue_cert_common_name | d(issue_cert_path.rsplit('/', 1)[1].rsplit('.', 1)[0]) }}"
      format: "{{ issue_cert_format | d('pem') }}"
      ip_sans: "{{ issue_cert_ip_sans | default([]) | join(',') }}"
  register: issue_cert_result
  run_once: "{{ issue_cert_run_once | d(false) }}"

- name: "issue_cert | Copy {{ issue_cert_path }} cert to all hosts"
  copy:
    content: "{{ issue_cert_result['data']['data']['certificate'] }}\n"
    dest: "{{ issue_cert_path }}"
    group: "{{ issue_cert_file_group | d('root' )}}"
    mode: "{{ issue_cert_file_mode | d('0644') }}"
    owner: "{{ issue_cert_file_owner | d('root') }}"

- name: "issue_cert | Copy key for {{ issue_cert_path }} to all hosts"
  copy:
    content: "{{ issue_cert_result['data']['data']['private_key'] }}"
    dest: "{{ issue_cert_path.rsplit('.', 1)|first }}-key.{{ issue_cert_path.rsplit('.', 1)|last }}"
    group: "{{ issue_cert_file_group | d('root' )}}"
    mode: "{{ issue_cert_file_mode | d('0640') }}"
    owner: "{{ issue_cert_file_owner | d('root') }}"

- name: issue_cert | Copy issuing CA cert
  copy:
    content: "{{ issue_cert_result['data']['data']['issuing_ca'] }}\n"
    dest: "{{ issue_cert_path | dirname }}/{{ issue_cert_ca_filename | default('ca.pem') }}"
    group: "{{ issue_cert_file_group | d('root' )}}"
    mode: "{{ issue_cert_file_mode | d('0644') }}"
    owner: "{{ issue_cert_file_owner | d('root') }}"
  when: issue_cert_copy_ca|default(false)

- name: issue_cert | Copy certificate serial to all hosts
  copy:
    content: "{{ issue_cert_result['data']['data']['serial_number'] }}"
    dest: "{{ issue_cert_path.rsplit('.', 1)|first }}.serial"
    group: "{{ issue_cert_file_group | d('root' )}}"
    mode: "{{ issue_cert_file_mode | d('0640') }}"
    owner: "{{ issue_cert_file_owner | d('root') }}"