Change single Vault pki mount to multi pki mounts paths for etcd and kube CA`s (#1552)

* Added update CA trust step for etcd and kube/secrets roles

* Added load_balancer_domain_name to certificate alt names if defined. Reset CA's in RedHat os.

* Rename kube-cluster-ca.crt to vault-ca.crt, we need separated CA`s for vault, etcd and kube.

* Vault role refactoring, remove optional cert vault auth because not not used and worked. Create separate CA`s fro vault and etcd.

* Fixed different certificates set for vault cert_managment

* Update doc/vault.md

* Fixed condition create vault CA, wrong group

* Fixed missing etcd_cert_path mount for rkt deployment type. Distribute vault roles for all vault hosts

* Removed wrong when condition in create etcd role vault tasks.

roles/vault/tasks/bootstrap/gen_vault_certs.yml

@@ -2,7 +2,7 @@
 
 - name: boostrap/gen_vault_certs | Add the vault role
   uri:
-    url: "{{ vault_leader_url }}/v1/pki/roles/vault"
+    url: "{{ vault_leader_url }}/v1/{{ vault_ca_options.common_name }}/roles/vault"
     headers: "{{ vault_headers }}"
     method: POST
     body_format: json
@@ -21,6 +21,7 @@
         {%- endfor -%}
         "127.0.0.1","::1"
         ]
+    issue_cert_mount_path: "{{ vault_ca_options.common_name }}"
     issue_cert_path: "{{ vault_cert_dir }}/api.pem"
     issue_cert_headers: "{{ hostvars[groups.vault|first]['vault_headers'] }}"
     issue_cert_role: vault