Vault security hardening and role isolation

roles/vault/tasks/bootstrap/gen_ca.yml

@@ -0,0 +1,31 @@
+---
+
+- name: bootstrap/gen_ca | Ensure vault_cert_dir exists
+  file:
+    mode: 0755
+    path: "{{ vault_cert_dir }}"
+    state: directory
+
+- name: bootstrap/gen_ca | Generate Root CA in vault-temp
+  uri:
+    url: "{{ vault_leader_url }}/v1/pki/root/generate/exported"
+    headers: "{{ vault_headers }}"
+    method: POST
+    body_format: json
+    body: "{{ vault_ca_options }}"
+  register: vault_ca_gen
+  when: inventory_hostname == groups.vault|first and vault_ca_cert_needed
+
+- name: bootstrap/gen_ca | Copy root CA cert locally
+  copy:
+    content: "{{ hostvars[groups.vault|first]['vault_ca_gen']['json']['data']['certificate'] }}"
+    dest: "{{ vault_cert_dir }}/ca.pem"
+    mode: 0644
+  when: vault_ca_cert_needed
+
+- name: bootstrap/gen_ca | Copy root CA key locally
+  copy:
+    content: "{{ hostvars[groups.vault|first]['vault_ca_gen']['json']['data']['private_key'] }}"
+    dest: "{{ vault_cert_dir }}/ca-key.pem"
+    mode: 0640
+  when: vault_ca_cert_needed