Fix registry on k8s_fedora_atomic

This fixes an issue with --registry-enabled in k8s_fedora_atomic where
the registry container fails to start in the minion due to two missing
heat parameters: TRUSTEE_USERNAME and TRUSTEE_DOMAIN_ID.

Change-Id: Ib93a7c0f761d047da3408703a5cf4208821acb33
Task: 23067
Story: 2003033

magnum/drivers/common/templates/kubernetes/fragments/write-heat-params.yaml

@@ -42,7 +42,9 @@ write_files:
       PODS_NETWORK_CIDR="$PODS_NETWORK_CIDR"
       KUBE_VERSION="$KUBE_VERSION"
       TRUSTEE_USER_ID="$TRUSTEE_USER_ID"
+      TRUSTEE_USERNAME="$TRUSTEE_USERNAME"
       TRUSTEE_PASSWORD="$TRUSTEE_PASSWORD"
+      TRUSTEE_DOMAIN_ID="$TRUSTEE_DOMAIN_ID"
       TRUST_ID="$TRUST_ID"
       CLOUD_PROVIDER_ENABLED="$CLOUD_PROVIDER_ENABLED"
       INSECURE_REGISTRY_URL="$INSECURE_REGISTRY_URL"

magnum/drivers/k8s_fedora_atomic_v1/templates/kubeminion.yaml

@@ -343,7 +343,9 @@ resources:
             $KUBE_VERSION: {get_param: kube_version}
             $WAIT_CURL: {get_attr: [minion_wait_handle, curl_cli]}
             $TRUSTEE_USER_ID: {get_param: trustee_user_id}
+            $TRUSTEE_USERNAME: {get_param: trustee_username}
             $TRUSTEE_PASSWORD: {get_param: trustee_password}
+            $TRUSTEE_DOMAIN_ID: {get_param: trustee_domain_id}
             $TRUST_ID: {get_param: trust_id}
             $AUTH_URL: {get_param: auth_url}
             $CLOUD_PROVIDER_ENABLED: {get_param: cloud_provider_enabled}