diff --git a/inventory/service/host_vars/grafana01.opendev.org b/inventory/service/host_vars/grafana01.opendev.org.yaml
similarity index 100%
rename from inventory/service/host_vars/grafana01.opendev.org
rename to inventory/service/host_vars/grafana01.opendev.org.yaml
diff --git a/inventory/service/host_vars/mirror01.ca-ymq-1.vexxhost.opendev.org b/inventory/service/host_vars/mirror01.ca-ymq-1.vexxhost.opendev.org.yaml
similarity index 100%
rename from inventory/service/host_vars/mirror01.ca-ymq-1.vexxhost.opendev.org
rename to inventory/service/host_vars/mirror01.ca-ymq-1.vexxhost.opendev.org.yaml
diff --git a/inventory/service/host_vars/mirror01.regionone.limestone.opendev.org b/inventory/service/host_vars/mirror01.regionone.limestone.opendev.org.yaml
similarity index 100%
rename from inventory/service/host_vars/mirror01.regionone.limestone.opendev.org
rename to inventory/service/host_vars/mirror01.regionone.limestone.opendev.org.yaml
diff --git a/inventory/service/host_vars/mirror01.sjc1.vexxhost.opendev.org b/inventory/service/host_vars/mirror01.sjc1.vexxhost.opendev.org.yaml
similarity index 100%
rename from inventory/service/host_vars/mirror01.sjc1.vexxhost.opendev.org
rename to inventory/service/host_vars/mirror01.sjc1.vexxhost.opendev.org.yaml
diff --git a/inventory/service/host_vars/zuul01.openstack.org b/inventory/service/host_vars/zuul01.openstack.org.yaml
similarity index 100%
rename from inventory/service/host_vars/zuul01.openstack.org
rename to inventory/service/host_vars/zuul01.openstack.org.yaml