Add support for another field: (#532)

provisioning.cattle.io.clusters\
metadata.annotations[provisioning.cattle.io/management-cluster-display-name]

Needed to add another character to the subfieldRegex in
listoption_indexer to allow hyphens in annotation field names.

pkg/sqlcache/informer/listoption_indexer.go

@@ -41,7 +41,7 @@ type ListOptionIndexer struct {
 var (
 	defaultIndexedFields   = []string{"metadata.name", "metadata.creationTimestamp"}
 	defaultIndexNamespaced = "metadata.namespace"
-	subfieldRegex          = regexp.MustCompile(`([a-zA-Z]+)|(\[[a-zA-Z./]+])|(\[[0-9]+])`)
+	subfieldRegex          = regexp.MustCompile(`([a-zA-Z]+)|(\[[-a-zA-Z./]+])|(\[[0-9]+])`)
 
 	ErrInvalidColumn = errors.New("supplied column is invalid")
 )

pkg/stores/sqlproxy/proxy_store.go

@@ -157,6 +157,7 @@ var (
 			{"spec", "ingressClassName"},
 		},
 		gvkKey("provisioning.cattle.io", "v1", "Cluster"): {
+			{"metadata", "annotations", "provisioning.cattle.io/management-cluster-display-name"},
 			{"metadata", "labels", "provider.cattle.io"},
 			{"status", "clusterName"},
 			{"status", "provider"},