Authentication JSON RPC even in no-auth mode

Also stop using deprecated HTTP basic options.

Change-Id: I5065007e30a1c8c1323e08fac24eb53d8cde19dc

playbooks/roles/bifrost-ironic-install/tasks/bootstrap.yml

@@ -152,7 +152,6 @@
     name: "{{ admin_username }}"
     password: "{{ admin_password }}"
   when:
-    - not noauth_mode | bool
     - not enable_keystone | bool
 
 - name: "Generate user htpasswd for ironic"

playbooks/roles/bifrost-ironic-install/templates/ironic.conf.j2

@@ -170,16 +170,10 @@ username = {{ ironic.service_catalog.username }}
 password = {{ ironic.service_catalog.password }}
 user_domain_id = default
 project_domain_id = default
-{% elif noauth_mode | bool %}
-auth_strategy = noauth
-auth_type = none
 {% else %}
 auth_strategy = http_basic
 auth_type = http_basic
 http_basic_auth_user_file = /etc/ironic/htpasswd
 username = {{ admin_username }}
 password = {{ admin_password }}
-# Deprecated - compatibility
-http_basic_username = {{ admin_username }}
-http_basic_password = {{ admin_password }}
 {% endif %}

releasenotes/notes/json-rpc-auth-2430cc7432cbfe10.yaml

@@ -0,0 +1,4 @@
+---
+other:
+  - |
+    Ironic JSON RPC is now always authenticated, even in no-auth mode.