+ the powerful one allows also to wait for pod names with this
+ (has to start with the given pod name):
+ wait_for:
+ name: myname
+ pods:
+ - test-pod
+
+ the powerful one allows also to wait for a service to be
+ available, which means all pods are deployed, which are
+ selected by the service definition:
+ wait_for:
+ name: myservice
+ services:
+ - mariadb-galera-service
+
+ the powerful one allows also to wait for pods with the
+ given "app" label:
+ wait_for:
+ name: myname
+ apps:
+ - mariadb-galera
+