Add empty buildvm-s390x-stg inventory group

inventory/builders

@@ -51,6 +51,9 @@ buildvm-aarch64-01.stg.arm.fedoraproject.org
 [buildvm-armv7-stg]
 buildvm-armv7-01.stg.arm.fedoraproject.org
 
+[buildvm-s390x-stg]
+# we don't have s390x staging builders yet
+
 [buildvm-aarch64]
 buildvm-aarch64-01.arm.fedoraproject.org
 buildvm-aarch64-02.arm.fedoraproject.org
@@ -307,3 +310,4 @@ buildvm-ppc64-stg
 buildvm-ppc64le-stg
 buildvm-aarch64-stg
 buildvm-armv7-stg
+buildvm-s390x-stg

playbooks/groups/buildvm.yml

@@ -6,7 +6,7 @@
 - import_playbook: "/srv/web/infra/ansible/playbooks/include/virt-create.yml myhosts=buildvm:buildvm-stg:buildvm-aarch64:buildvm-armv7:buildvm-ppc64:buildvm-ppc64le:buildvm-s390:buildvm-ppc64-stg:buildvm-ppc64le-stg:buildvm-aarch64-stg:buildvm-armv7-stg"
 
 - name: make koji builder(s)
-  hosts: buildvm:buildvm-stg:buildvm-aarch64:buildvm-armv7:buildvm-ppc64:buildvm-ppc64le:buildvm-s390:buildvm-ppc64-stg:buildvm-ppc64le-stg:buildvm-aarch64-stg:buildvm-armv7-stg:buildvm-s390x
+  hosts: buildvm:buildvm-stg:buildvm-aarch64:buildvm-armv7:buildvm-ppc64:buildvm-ppc64le:buildvm-s390:buildvm-ppc64-stg:buildvm-ppc64le-stg:buildvm-aarch64-stg:buildvm-armv7-stg:buildvm-s390x:buildvm-s390x-stg
   user: root
   gather_facts: True
 

playbooks/manual/staging-sync/koji.yml

@@ -48,9 +48,8 @@
       arches: ppc64
     - name: buildvm-ppc64le-stg
       arches: ppc64le
-# TODO
-#    - name: buildvm-s390x-stg
-#      arches: s390x
+    - name: buildvm-s390x-stg
+      arches: s390x
 
   vars_files:
    - /srv/web/infra/ansible/vars/global.yml