Fix kit operator chart path (#182)

Author: prateekgogia

substrate/pkg/controller/substrate/cluster/addons/kitoperator.go

@@ -33,8 +33,7 @@ func (l *KITOperator) Create(ctx context.Context, substrate *v1alpha1.Substrate)
 	if err := helm.NewClient(*substrate.Status.Cluster.KubeConfig).Apply(ctx, &helm.Chart{
 		Namespace:       "kit",
 		Name:            "kit-operator",
-		Repository:      "https://github.com/awslabs/kubernetes-iteration-toolkit/releases/download/latest",
-		Version:         "latest",
+		Repository:      "https://awslabs.github.io/kubernetes-iteration-toolkit",
 		CreateNamespace: true,
 		Values: map[string]interface{}{
 			"controller": map[string]interface{}{"nodeSelector": map[string]interface{}{"kit.aws/substrate": "control-plane"}},

substrate/pkg/utils/helm/chart.go

@@ -21,7 +21,9 @@ import (
 
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/chart/loader"
+	"helm.sh/helm/v3/pkg/cli"
 	"helm.sh/helm/v3/pkg/getter"
+	"helm.sh/helm/v3/pkg/repo"
 	"helm.sh/helm/v3/pkg/storage/driver"
 	"k8s.io/cli-runtime/pkg/genericclioptions"
 	"knative.dev/pkg/logging"
@@ -47,9 +49,16 @@ type Chart struct {
 	Values          map[string]interface{}
 }
 
-func (c *Client) Apply(ctx context.Context, chart *Chart) error {
+func (c *Client) Apply(ctx context.Context, chart *Chart) (err error) {
 	// Get the chart from the repository
-	charts, err := c.httpGetter.Get(fmt.Sprintf("%s/%s-%s.tgz", chart.Repository, chart.Name, chart.Version))
+	chartPath := fmt.Sprintf("%s/%s-%s.tgz", chart.Repository, chart.Name, chart.Version)
+	if chart.Version == "" {
+		chartPath, err = repo.FindChartInRepoURL(chart.Repository, chart.Name, "", "", "", "", getter.All(&cli.EnvSettings{}))
+		if err != nil {
+			return fmt.Errorf("failed to find chart, %w", err)
+		}
+	}
+	charts, err := c.httpGetter.Get(chartPath)
 	if err != nil {
 		return fmt.Errorf("getting chart, %w", err)
 	}