default file current to .kxd file (#23)

* default file current to .kxd file

* fallback to KUBECONFIG var then ~/.kube/config

CHANGELOG.md

@@ -1,3 +1,7 @@
+## v0.0.8 (October 25, 2023)
+* Fix for setting default as argument.
+* Changed the way kxd file current works to check `~/.kxd` file then default to `~/.kube/config`.
+
 ## v0.0.7 (October 23, 2023)
 * Added support for setting config names as argument.
 * Added list command to `kxd file` and `kxd ctx`.

README.md

@@ -107,7 +107,7 @@ kxd version
 To persist the set config when you open new terminal windows, you can add the following to your bash profile or zshrc.
 
 ```bash
-export KUBECONFIG=$(cat ~/.kxd)
+export KUBECONFIG=$(kxd file current)
 ```
 
 ### Show your set kubeconfig in your shell prompt

src/cmd/file.go

@@ -8,6 +8,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"strings"
 )
 
 var fileCmd = &cobra.Command{
@@ -103,14 +104,34 @@ func runConfigSwitcher() error {
 }
 
 func runGetCurrentConfig() error {
-	kubeconfigPath := utils.GetEnv("KUBECONFIG", filepath.Join(utils.GetHomeDir(), ".kube/config"))
-	if _, err := os.Stat(kubeconfigPath); os.IsNotExist(err) {
-		log.Fatal("No current kubeconfig found.")
-	} else if err != nil {
-		log.Fatal(err)
-	} else {
-		fmt.Println(kubeconfigPath)
+	homeDir := utils.GetHomeDir()
+	kxdPath := filepath.Join(homeDir, ".kxd")
+
+	// Default to KUBECONFIG env var then ~/.kube/config if .kxd config doesn't exist
+	defaultKubeConfigPath := utils.GetEnv("KUBECONFIG", filepath.Join(homeDir, ".kube", "config"))
+	configPath := defaultKubeConfigPath
+
+	// Check if .kxd file exists.
+	if _, err := os.Stat(kxdPath); !os.IsNotExist(err) {
+		content, _ := os.ReadFile(kxdPath)
+		trimmedContent := strings.TrimSpace(string(content))
+
+		// If .kxd file is not empty, determine the specified kubeconfig path.
+		if trimmedContent != "" {
+			specifiedConfigPath := filepath.Join(homeDir, ".kube", trimmedContent)
+
+			// If the specified kubeconfig exists, update the configPath.
+			if _, err := os.Stat(specifiedConfigPath); !os.IsNotExist(err) {
+				configPath = specifiedConfigPath
+			}
+		}
+	}
+
+	if _, err := os.Stat(configPath); os.IsNotExist(err) {
+		log.Fatal("Kubeconfig not found")
 	}
+
+	fmt.Println(configPath)
 	return nil
 }