update observability module

internal/config/helm.go

@@ -0,0 +1,48 @@
+package config
+
+import (
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+
+	helm_client "github.com/mittwald/go-helm-client"
+)
+
+var client *helm_client.Client
+
+func CreateHelmClient() helm_client.Client {
+	config := GetConfig()
+	file, err := os.Open(filepath.Join(config.WorkDir, config.KubeconfigFile))
+	if err != nil {
+		log.Fatalf("failed to open file: %s", err)
+	}
+	defer file.Close()
+	kubeconfig, err := io.ReadAll(file)
+	if err != nil {
+		log.Fatalf("failed to read file: %s", err)
+	}
+	opts := &helm_client.KubeConfClientOptions{
+		Options: &helm_client.Options{
+			Namespace:        "default", // Change this to the namespace you wish to install the chart in.
+			RepositoryCache:  "/tmp/.helmcache",
+			RepositoryConfig: "/tmp/.helmrepo",
+			Debug:            true,
+			Linting:          true, // Change this to false if you don't want linting.
+			DebugLog: func(format string, v ...interface{}) {
+				// Change this to your own logger. Default is 'log.Printf(format, v...)'.
+			},
+		},
+		KubeContext: "",
+		KubeConfig:  kubeconfig,
+	}
+	client, err := helm_client.NewClientFromKubeConf(opts)
+	if err != nil {
+		log.Fatalf("error while creating helm client: %s", err)
+	}
+	return client
+}
+
+func GetHelmClient() *helm_client.Client {
+	return client
+}