fix: turned warnings into fatal errors, fixed spelling, clear cache once

Signed-off-by: Matt Butcher <matt.butcher@microsoft.com>

pkg/action/install.go

@@ -30,6 +30,7 @@ import (
 	"github.com/Masterminds/sprig"
 	"github.com/pkg/errors"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/cli-runtime/pkg/resource"
 
 	"helm.sh/helm/pkg/chart"
 	"helm.sh/helm/pkg/chartutil"
@@ -104,19 +105,15 @@ func NewInstall(cfg *Configuration) *Install {
 }
 
 func (i *Install) installCRDs(crds []*chart.File) error {
-	// We do these one at a time in the order they were read.
+	// We do these one file at a time in the order they were read.
+	totalItems := []*resource.Info{}
 	for _, obj := range crds {
 		// Read in the resources
 		res, err := i.cfg.KubeClient.Build(bytes.NewBuffer(obj.Data))
 		if err != nil {
-			// We bail out immediately
 			return errors.Wrapf(err, "failed to install CRD %s", obj.Name)
 		}
-		// On dry run, bail here
-		if i.DryRun {
-			i.cfg.Log("WARNING: This chart or one of its subcharts contains CRDs. Rendering may fail or contain inaccuracies.")
-			continue
-		}
+
 		// Send them to Kube
 		if _, err := i.cfg.KubeClient.Create(res); err != nil {
 			// If the error is CRD already exists, continue.
@@ -127,23 +124,22 @@ func (i *Install) installCRDs(crds []*chart.File) error {
 			}
 			return errors.Wrapf(err, "failed to instal CRD %s", obj.Name)
 		}
-
-		// Invalidate the local cache.
-		if discoveryClient, err := i.cfg.RESTClientGetter.ToDiscoveryClient(); err != nil {
-			// On error, we don't want to bail out, since this is unlikely
-			// to impact the majority of charts.
-			i.cfg.Log("Could not clear the discovery cache: %s", err)
-		} else {
-			i.cfg.Log("Clearing discovery cache")
-			discoveryClient.Invalidate()
-			// Give time for the CRD to be recognized.
-			if err := i.cfg.KubeClient.Wait(res, 60*time.Second); err != nil {
-				i.cfg.Log("Error waiting for CRD. Continuing blindly. %s", err)
-			}
-			// Make sure to force a rebuild of the cache.
-			discoveryClient.ServerGroups()
-		}
+		totalItems = append(totalItems, res...)
 	}
+	// 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()
 	return nil
 }
 
@@ -158,7 +154,10 @@ func (i *Install) Run(chrt *chart.Chart, vals map[string]interface{}) (*release.
 	// Pre-install anything in the crd/ directory. We do this before Helm
 	// contacts the upstream server and builds the capabilities object.
 	if crds := chrt.CRDs(); !i.ClientOnly && !i.SkipCRDs && len(crds) > 0 {
-		if err := i.installCRDs(crds); err != nil {
+		// On dry run, bail here
+		if i.DryRun {
+			i.cfg.Log("WARNING: This chart or one of its subcharts contains CRDs. Rendering may fail or contain inaccuracies.")
+		} else if err := i.installCRDs(crds); err != nil {
 			return nil, err
 		}
 	}

pkg/kube/client.go

@@ -58,6 +58,7 @@ func New(getter genericclioptions.RESTClientGetter) *Client {
 	if getter == nil {
 		getter = genericclioptions.NewConfigFlags(true)
 	}
+	// Add CRDs to the scheme. They are missing by default.
 	if err := apiextv1beta1.AddToScheme(scheme.Scheme); err != nil {
 		// This should never happen.
 		panic(err)

pkg/kube/wait.go

@@ -280,7 +280,7 @@ func (w *waiter) crdReady(crd apiextv1beta1.CustomResourceDefinition) bool {
 		case apiextv1beta1.NamesAccepted:
 			if cond.Status == apiextv1beta1.ConditionFalse {
 				// This indicates a naming conflict, but it's probably not the
-				// job of this function to faile because of that. Instead,
+				// job of this function to fail because of that. Instead,
 				// we treat it as a success, since the process should be able to
 				// continue.
 				return true