update observability module

internal/config/config.go

@@ -15,9 +15,10 @@ type Host struct {
 }
 
 type Config struct {
-	WorkDir     string
-	Verbose     bool
-	Credentials struct {
+	WorkDir        string
+	KubeconfigFile string `yaml:"kubeconfig_file" env-default:"k8s-admin.conf"`
+	Verbose        bool
+	Credentials    struct {
 		User            string `yaml:"user"`
 		Password        string `yaml:"password"`
 		AskSudoPassword bool   `yaml:"ask_sudo_password"`

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
+}

internal/config/kubernetes.go

@@ -11,7 +11,7 @@ var kubernetesConfig *rest.Config
 
 func GetKubernetesConfig() *rest.Config {
 	appConfig := GetConfig()
-	kubeconfigPath := filepath.Join(appConfig.WorkDir, "k8s-admin.conf")
+	kubeconfigPath := filepath.Join(appConfig.WorkDir, appConfig.KubeconfigFile)
 
 	kubernetesConfig, err := clientcmd.BuildConfigFromFlags("", kubeconfigPath)
 	if err != nil {