Add missing ocp_subdomain (#86)

* Add missing ocp_subdomain

* Check that var is defined

Author: MAHDTech

inventory-generation/notifications/main.yaml

@@ -48,12 +48,15 @@
             src: "hosts"
             dest: "{{ directory }}/iac/inventories/notifications/inventory/hosts"
 
+      vars:
+        ocp_subdomain: "{{ hosting_environments[0].ocp_sub_domain | lower }}"
       when:
         - notifications_dir.stat.exists is false
         - start_date is defined
         - engagement_type | default('') == 'Residency' or engagement_type | default('') == 'DO500'
         - (hosting_environments is defined) and (hosting_environments | length > 0)
         - (archive_date | default('2006-01-02T15:04:05Z') | to_datetime('%Y-%m-%dT%H:%M:%SZ')).strftime('%s') > now(utc=true).strftime('%s')
+        - hosting_environments[0].ocp_sub_domain is defined
 
     - name: "Process list of users from template"
       template: