Vault security hardening and role isolation

roles/vault/tasks/bootstrap/gen_auth_ca.yml

@@ -0,0 +1,21 @@
+---
+
+- name: bootstrap/gen_auth_ca | Generate Root CA
+  uri:
+    url: "{{ vault_leader_url }}/v1/auth-pki/root/generate/exported"
+    headers: "{{ vault_headers }}"
+    method: POST
+    body_format: json
+    body: "{{ vault_ca_options }}"
+  register: vault_auth_ca_gen
+  when: inventory_hostname == groups.vault|first
+
+- name: bootstrap/gen_auth_ca | Copy auth CA cert to Vault nodes
+  copy:
+    content: "{{ hostvars[groups.vault|first]['vault_auth_ca_gen']['json']['data']['certificate'] }}"
+    dest: "{{ vault_cert_dir }}/auth-ca.pem"
+
+- name: bootstrap/gen_auth_ca | Copy auth CA key to Vault nodes
+  copy:
+    content: "{{ hostvars[groups.vault|first]['vault_auth_ca_gen']['json']['data']['private_key'] }}"
+    dest: "{{ vault_cert_dir }}/auth-ca-key.pem"