Updated helm collector to leverage helm client for go

builder/Dockerfile

@@ -24,10 +24,6 @@ RUN apk --no-cache add ca-certificates curl openssl bash
 ADD https://storage.googleapis.com/kubernetes-release/release/v1.16.0/bin/linux/amd64/kubectl /usr/local/bin/kubectl
 RUN chmod +x /usr/local/bin/kubectl
 
-RUN curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 \
-    && chmod +x get_helm.sh \
-    && ./get_helm.sh
-
 COPY --from=builder /build/aks-periscope /
 
 ENTRYPOINT ["/aks-periscope"]

cmd/aks-periscope/aks-periscope.go

@@ -12,6 +12,7 @@ import (
 	"github.com/Azure/aks-periscope/pkg/exporter"
 	"github.com/Azure/aks-periscope/pkg/interfaces"
 	"github.com/Azure/aks-periscope/pkg/utils"
+	restclient "k8s.io/client-go/rest"
 )
 
 func main() {
@@ -36,10 +37,15 @@ func main() {
 	// We need the cert in order to communicate with the storage account.
 	if utils.IsAzureStackCloud() {
 		if err := utils.CopyFileFromHost("/etc/ssl/certs/azsCertificate.pem", "/etc/ssl/certs/azsCertificate.pem"); err != nil {
-			log.Fatalf("cannot copy cert for Azure Stack Cloud environment: %v", err)
+			log.Fatalf("Cannot copy cert for Azure Stack Cloud environment: %v", err)
 		}
 	}
 
+	config, err := restclient.InClusterConfig()
+	if err != nil {
+		log.Fatalf("Cannot load kubeconfig: %v", err)
+	}
+
 	dataProducers := []interfaces.DataProducer{}
 
 	containerLogsCollector := collector.NewContainerLogsCollector()
@@ -51,7 +57,7 @@ func main() {
 	nodeLogsCollector := collector.NewNodeLogsCollector()
 	kubeletCmdCollector := collector.NewKubeletCmdCollector()
 	systemPerfCollector := collector.NewSystemPerfCollector()
-	helmCollector := collector.NewHelmCollector()
+	helmCollector := collector.NewHelmCollector(config)
 	osmCollector := collector.NewOsmCollector()
 	smiCollector := collector.NewSmiCollector()
 

go.mod

@@ -7,5 +7,8 @@ require (
 	github.com/Azure/go-autorest/autorest/adal v0.9.14 // indirect
 	github.com/kr/pretty v0.2.1 // indirect
 	github.com/onsi/gomega v1.13.0
-	github.com/pkg/errors v0.9.1 // indirect
+	helm.sh/helm/v3 v3.6.3
+	k8s.io/cli-runtime v0.21.3
+	k8s.io/client-go v0.21.3
+	rsc.io/letsencrypt v0.0.3 // indirect
 )