ELNBuildSync: Use different config branch on staging

Also fix missing variable reference for the main role deployment
playbook.

Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>

rh-pre-commit.version: 2.4.0
rh-pre-commit.check-secrets: ENABLED

playbooks/openshift-apps/elnbuildsync.yml

@@ -29,6 +29,7 @@
   vars_files:
     - /srv/web/infra/ansible/vars/global.yml
     - /srv/private/ansible/vars.yml
+    - /srv/web/infra/ansible/vars/apps/elnbuildsync.yml
     - /srv/web/infra/ansible/vars/{{ ansible_distribution }}.yml
 
   roles:

roles/openshift-apps/elnbuildsync/templates/deployment.yml.j2

@@ -23,6 +23,7 @@ spec:
       containers:
       - name: elnbuildsync
         image: "image-registry.openshift-image-registry.svc:5000/elnbuildsync/elnbuildsync:{{ ebs_upstream_ref }}"
+        args: ['--config-branch', "{{ (env == 'production') | ternary(ebs_config_branch, ebs_stg_config_branch) }}" ]
         startupProbe:
           httpGet:
             path: /startup

vars/apps/elnbuildsync.yml

@@ -4,3 +4,6 @@ ebs_upstream_ref: 1.1.0
 
 ebs_db_user: elnbuildsync
 ebs_db_name: elnbuildsync
+
+ebs_config_branch: main
+ebs_stg_config_branch: staging