labs: use example.com instead of domain.com

The canonical example domain is example.com (domain.com is in commercial
use).

Change-Id: I86c4803bb705a11cf4099520036afce24ec47211

labs/config/credentials

@@ -34,4 +34,7 @@
 # Tenant and role for service accounts.
 : ${SERVICE_TENANT_NAME:=service}
 
+# Domain to use for email addresses (e.g. admin@example.com)
+: ${MAIL_DOMAIN:=example.com}
+
 # vim: set ai ts=4 sw=4 et ft=sh:

labs/scripts/setup_cinder_controller.sh

@@ -43,7 +43,7 @@ echo "Creating cinder user and giving it admin role under service tenant."
 keystone user-create \
     --name "$cinder_admin_user" \
     --pass "$cinder_admin_password" \
-    --email cinder@domain.com
+    --email "cinder@$MAIL_DOMAIN"
 
 keystone user-role-add \
     --user "$cinder_admin_user" \

labs/scripts/setup_glance.sh

@@ -46,7 +46,7 @@ echo "Creating glance user and giving it admin role under service tenant."
 keystone user-create \
     --name "$glance_admin_user" \
     --pass "$glance_admin_password" \
-    --email glance@domain.com
+    --email "glance@$MAIL_DOMAIN"
 
 keystone user-role-add \
     --user "$glance_admin_user" \

labs/scripts/setup_keystone.sh

@@ -60,7 +60,7 @@ echo "Adding admin tenant."
 keystone tenant-create --name "$ADMIN_TENANT_NAME" --description "Admin Tenant"
 
 echo "Creating admin user."
-keystone user-create --name "$ADMIN_USER_NAME" --pass "$ADMIN_PASSWORD" --email admin@domain.com
+keystone user-create --name "$ADMIN_USER_NAME" --pass "$ADMIN_PASSWORD" --email "admin@$MAIL_DOMAIN"
 
 echo "Creating admin roles."
 keystone role-create --name "$ADMIN_ROLE_NAME"

labs/scripts/setup_neutron_controller.sh

@@ -42,7 +42,7 @@ echo "Creating neutron user and giving it admin role under service tenant."
 keystone user-create \
     --name "$neutron_admin_user" \
     --pass "$neutron_admin_password" \
-    --email neutron@domain.com
+    --email "neutron@$MAIL_DOMAIN"
 
 keystone user-role-add \
     --user "$neutron_admin_user" \

labs/scripts/setup_nova_controller.sh

@@ -44,7 +44,7 @@ echo "Creating nova user and giving it admin role under service tenant."
 keystone user-create \
     --name "$nova_admin_user" \
     --pass "$nova_admin_password" \
-    --email nova@domain.com
+    --email "nova@$MAIL_DOMAIN"
 
 keystone user-role-add \
     --user "$nova_admin_user" \