Merge pull request #99 from thedadams/standard-handlers

Add a few standard handlers

pkg/handlers/handlers.go

@@ -0,0 +1,18 @@
+package handlers
+
+import (
+	"github.com/acorn-io/baaah/pkg/apply"
+	"github.com/acorn-io/baaah/pkg/router"
+)
+
+// GCOrphans will delete an object whose owner has been deleted.
+func GCOrphans(req router.Request, _ router.Response) error {
+	return apply.New(req.Client).PurgeOrphan(req.Ctx, req.Object)
+}
+
+// DoNothing is a handler that does nothing. It is useful because resp.Objects will only work if a GVK is being watched.
+// This ensures that resp.Objects does what it is supposed to for objects that are no longer passed to resp.Objects, and
+// are not watched anywhere else.
+func DoNothing(router.Request, router.Response) error {
+	return nil
+}