Merge pull request #11886 from hiddeco/properly-invalidate-client

Properly invalidate client after CRD install

pkg/action/install.go

@@ -34,6 +34,7 @@ import (
 	"github.com/pkg/errors"
 	v1 "k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/api/meta"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/cli-runtime/pkg/resource"
 	"sigs.k8s.io/yaml"
@@ -164,22 +165,38 @@ func (i *Install) installCRDs(crds []chart.CRD) error {
 		totalItems = append(totalItems, res...)
 	}
 	if len(totalItems) > 0 {
-		// Invalidate the local cache, since it will not have the new CRDs
-		// present.
-		discoveryClient, err := i.cfg.RESTClientGetter.ToDiscoveryClient()
-		if err != nil {
-			return err
-		}
-		i.cfg.Log("Clearing discovery cache")
-		discoveryClient.Invalidate()
 		// Give time for the CRD to be recognized.
-
 		if err := i.cfg.KubeClient.Wait(totalItems, 60*time.Second); err != nil {
 			return err
 		}
 
-		// Make sure to force a rebuild of the cache.
-		discoveryClient.ServerGroups()
+		// If we have already gathered the capabilities, we need to invalidate
+		// the cache so that the new CRDs are recognized. This should only be
+		// the case when an action configuration is reused for multiple actions,
+		// as otherwise it is later loaded by ourselves when getCapabilities
+		// is called later on in the installation process.
+		if i.cfg.Capabilities != nil {
+			discoveryClient, err := i.cfg.RESTClientGetter.ToDiscoveryClient()
+			if err != nil {
+				return err
+			}
+
+			i.cfg.Log("Clearing discovery cache")
+			discoveryClient.Invalidate()
+
+			_, _ = discoveryClient.ServerGroups()
+		}
+
+		// Invalidate the REST mapper, since it will not have the new CRDs
+		// present.
+		restMapper, err := i.cfg.RESTClientGetter.ToRESTMapper()
+		if err != nil {
+			return err
+		}
+		if resettable, ok := restMapper.(meta.ResettableRESTMapper); ok {
+			i.cfg.Log("Clearing REST mapper cache")
+			resettable.Reset()
+		}
 	}
 	return nil
 }