Vault security hardening and role isolation

roles/vault/tasks/bootstrap/create_etcd_role.yml

@@ -0,0 +1,10 @@
+---
+
+- include: ../shared/create_role.yml
+  vars:
+    create_role_name: "{{ item.name }}" 
+    create_role_group: "{{ item.group }}"
+    create_role_policy_rules: "{{ item.policy_rules }}"
+    create_role_options: "{{ item.role_options }}"
+  with_items: "{{ vault_roles }}"
+  when: item.name == "etcd"