kubespray/roles/etcd/tasks/gen_certs_vault.yml

---

- name: gen_certs_vault | Read in the local credentials
  command: cat /etc/vault/roles/etcd/userpass
  register: etcd_vault_creds_cat
  when: inventory_hostname == groups.etcd|first

- name: gen_certs_vault | Set facts for read Vault Creds
  set_fact:
    etcd_vault_creds: "{{ hostvars[groups.etcd|first]['etcd_vault_creds_cat']['stdout']|from_json }}"
  when: inventory_hostname == groups.etcd|first

- name: gen_certs_vault | Log into Vault and obtain an token
  uri:
    url: "{{ hostvars[groups.vault|first]['vault_leader_url'] }}/v1/auth/userpass/login/{{ etcd_vault_creds.username }}"
    headers:
      Accept: application/json
      Content-Type: application/json 
    method: POST
    body_format: json
    body:
      password: "{{ etcd_vault_creds.password }}"
  register: etcd_vault_login_result
  when: inventory_hostname == groups.etcd|first

- name: gen_certs_vault | Set fact for Vault API token
  set_fact:
    etcd_vault_headers:
        Accept: application/json
        Content-Type: application/json
        X-Vault-Token: "{{ hostvars[groups.etcd|first]['etcd_vault_login_result']['json']['auth']['client_token'] }}"

# Issue master certs to Etcd nodes
- include: ../../vault/tasks/shared/issue_cert.yml
  vars:
    issue_cert_alt_names: "{{ groups.etcd + ['localhost'] }}"
    issue_cert_copy_ca: "{{ item == etcd_master_certs_needed|first }}"
    issue_cert_file_group: "{{ etcd_cert_group }}"
    issue_cert_file_owner: kube
    issue_cert_headers: "{{ etcd_vault_headers }}" 
    issue_cert_hosts: "{{ groups.etcd }}"
    issue_cert_ip_sans: >-
        [
        {%- for host in groups.etcd  -%}
        "{{ hostvars[host]['ansible_default_ipv4']['address'] }}",
        {%- endfor -%}
        "127.0.0.1","::1"
        ]
    issue_cert_path: "{{ item }}"
    issue_cert_role: etcd
    issue_cert_url: "{{ hostvars[groups.vault|first]['vault_leader_url'] }}"
  with_items: "{{ etcd_master_certs_needed|d([]) }}"
  when: inventory_hostname in groups.etcd
  notify: set etcd_secret_changed

# Issue node certs to everyone else
- include: ../../vault/tasks/shared/issue_cert.yml
  vars:
    issue_cert_alt_names: "{{ etcd_node_cert_hosts }}"
    issue_cert_copy_ca: "{{ item == etcd_node_certs_needed|first }}"
    issue_cert_file_group: "{{ etcd_cert_group }}"
    issue_cert_file_owner: kube
    issue_cert_headers: "{{ etcd_vault_headers }}" 
    issue_cert_hosts: "{{ etcd_node_cert_hosts }}"
    issue_cert_ip_sans: >-
        [
        {%- for host in etcd_node_cert_hosts -%}
        "{{ hostvars[host]['ansible_default_ipv4']['address'] }}",
        {%- endfor -%}
        "127.0.0.1","::1"
        ]
    issue_cert_path: "{{ item }}"
    issue_cert_role: etcd
    issue_cert_url: "{{ hostvars[groups.vault|first]['vault_leader_url'] }}"
  with_items: "{{ etcd_node_certs_needed|d([]) }}"
  when: inventory_hostname in etcd_node_cert_hosts
  notify: set etcd_secret_changed