Merge pull request #8368 from medyagh/detect_wsl

add support for microsoft wsl for docker driver

pkg/minikube/driver/driver.go

@@ -131,7 +131,14 @@ func NeedsRoot(name string) bool {
 // NeedsPortForward returns true if driver is unable provide direct IP connectivity
 func NeedsPortForward(name string) bool {
 	// Docker for Desktop
-	return IsKIC(name) && (runtime.GOOS == "darwin" || runtime.GOOS == "windows")
+	return IsKIC(name) && (runtime.GOOS == "darwin" || runtime.GOOS == "windows" || IsMicrosoftWSL())
+}
+
+// IsMicrosoftWSL will return true if process is running in WSL in windows
+// checking for WSL env var based on this https://github.com/microsoft/WSL/issues/423#issuecomment-608237689
+// also based on https://github.com/microsoft/vscode/blob/90a39ba0d49d75e9a4d7e62a6121ad946ecebc58/resources/win32/bin/code.sh#L24
+func IsMicrosoftWSL() bool {
+	return os.Getenv("WSL_DISTRO_NAME") != "" || os.Getenv("WSLPATH") != "" || os.Getenv("WSLENV") != ""
 }
 
 // HasResourceLimits returns true if driver can set resource limits such as memory size or CPU count.

test/integration/main.go

@@ -24,6 +24,8 @@ import (
 	"strings"
 	"testing"
 	"time"
+
+	"k8s.io/minikube/pkg/minikube/driver"
 )
 
 // General configuration: used to set the VM Driver
@@ -93,7 +95,7 @@ func KicDriver() bool {
 // NeedsPortForward returns access to endpoints with this driver needs port forwarding
 // (Docker on non-Linux platforms requires ports to be forwarded to 127.0.0.1)
 func NeedsPortForward() bool {
-	return KicDriver() && (runtime.GOOS == "windows" || runtime.GOOS == "darwin")
+	return KicDriver() && (runtime.GOOS == "windows" || runtime.GOOS == "darwin") || driver.IsMicrosoftWSL()
 }
 
 // CanCleanup returns if cleanup is allowed