Adding credentials for service user

The aim of the patch adds credentials for service user located
under [cinder] section. Parameter are going to be passed to config
file have to be located in pillar under identity branch. For
instance:

 nova:
  controller|volume:
    identity:
      region:
      username:
      password:

Change-Id: I59530258bb2dcb8ab8f054c159657a0930caa3de
Related-PROD: PROD-30072
(cherry picked from commit 831975e06acdbad6098db024de3ec66313779fbe)
diff --git a/nova/files/ocata/nova-compute.conf.Debian b/nova/files/ocata/nova-compute.conf.Debian
index 44bf3f1..95a7cc6 100644
--- a/nova/files/ocata/nova-compute.conf.Debian
+++ b/nova/files/ocata/nova-compute.conf.Debian
@@ -4155,6 +4155,14 @@
 cross_az_attach={{ compute.cross_az_attach }}
 {%- endif %}
 
+auth_type = password
+user_domain_id = {{ compute.identity.get('domain', 'default') }}
+project_domain_id = {{ compute.identity.get('domain', 'default') }}
+project_name = {{ compute.identity.tenant }}
+username = {{ compute.identity.user }}
+password = {{ compute.identity.password }}
+auth_url={{ compute.identity.get('protocol', 'http') }}://{{ compute.identity.host }}:35357/v3
+os_interface = internal
 
 [cloudpipe]
 
diff --git a/nova/files/ocata/nova-controller.conf.Debian b/nova/files/ocata/nova-controller.conf.Debian
index a2ba02a..6aa1a49 100644
--- a/nova/files/ocata/nova-controller.conf.Debian
+++ b/nova/files/ocata/nova-controller.conf.Debian
@@ -4147,6 +4147,15 @@
 cross_az_attach={{ controller.cross_az_attach }}
 {%- endif %}
 
+auth_type = password
+user_domain_id = {{ controller.identity.get('domain', 'default') }}
+project_domain_id = {{ controller.identity.get('domain', 'default') }}
+project_name = {{ controller.identity.tenant }}
+username = {{ controller.identity.user }}
+password = {{ controller.identity.password }}
+auth_url={{ controller.identity.get('protocol', 'http') }}://{{ controller.identity.host }}:35357/v3
+os_interface = internal
+
 [cloudpipe]
 
 #
diff --git a/nova/files/pike/nova-compute.conf.Debian b/nova/files/pike/nova-compute.conf.Debian
index 314bf29..d02d9f3 100644
--- a/nova/files/pike/nova-compute.conf.Debian
+++ b/nova/files/pike/nova-compute.conf.Debian
@@ -4175,6 +4175,14 @@
 cross_az_attach={{ compute.cross_az_attach }}
 {%- endif %}
 
+auth_type = password
+user_domain_id = {{ compute.identity.get('domain', 'default') }}
+project_domain_id = {{ compute.identity.get('domain', 'default') }}
+project_name = {{ compute.identity.tenant }}
+username = {{ compute.identity.user }}
+password = {{ compute.identity.password }}
+auth_url={{ compute.identity.get('protocol', 'http') }}://{{ compute.identity.host }}:35357/v3
+os_interface = internal
 
 [cloudpipe]
 
diff --git a/nova/files/pike/nova-controller.conf.Debian b/nova/files/pike/nova-controller.conf.Debian
index afa2f4b..89c3030 100644
--- a/nova/files/pike/nova-controller.conf.Debian
+++ b/nova/files/pike/nova-controller.conf.Debian
@@ -4197,6 +4197,15 @@
 cross_az_attach={{ controller.cross_az_attach }}
 {%- endif %}
 
+auth_type = password
+user_domain_id = {{ controller.identity.get('domain', 'default') }}
+project_domain_id = {{ controller.identity.get('domain', 'default') }}
+project_name = {{ controller.identity.tenant }}
+username = {{ controller.identity.user }}
+password = {{ controller.identity.password }}
+auth_url={{ controller.identity.get('protocol', 'http') }}://{{ controller.identity.host }}:35357/v3
+os_interface = internal
+
 [cloudpipe]
 
 #