feat(cli): add default plugin folder for MAC OS

closes #5806

pkg/cmd/grafana-cli/main.go

@@ -8,39 +8,11 @@ import (
 	"github.com/codegangsta/cli"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/commands"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/logger"
+	"github.com/grafana/grafana/pkg/cmd/grafana-cli/utils"
 )
 
 var version = "master"
 
-func getGrafanaPluginDir() string {
-	currentOS := runtime.GOOS
-	defaultNix := "/var/lib/grafana/plugins"
-
-	if currentOS == "windows" {
-		return "../data/plugins"
-	}
-
-	pwd, err := os.Getwd()
-
-	if err != nil {
-		logger.Error("Could not get current path. using default")
-		return defaultNix
-	}
-
-	if isDevenvironment(pwd) {
-		return "../data/plugins"
-	}
-
-	return defaultNix
-}
-
-func isDevenvironment(pwd string) bool {
-	// if ../conf/defaults.ini exists, grafana is not installed as package
-	// that its in development environment.
-	_, err := os.Stat("../conf/defaults.ini")
-	return err == nil
-}
-
 func main() {
 	setupLogging()
 
@@ -54,7 +26,7 @@ func main() {
 		cli.StringFlag{
 			Name:   "pluginsDir",
 			Usage:  "path to the grafana plugin directory",
-			Value:  getGrafanaPluginDir(),
+			Value:  utils.GetGrafanaPluginDir(runtime.GOOS),
 			EnvVar: "GF_PLUGIN_DIR",
 		},
 		cli.StringFlag{

pkg/cmd/grafana-cli/utils/grafana_path.go

@@ -0,0 +1,46 @@
+package utils
+
+import (
+	"os"
+
+	"github.com/grafana/grafana/pkg/cmd/grafana-cli/logger"
+)
+
+func GetGrafanaPluginDir(currentOS string) string {
+	//currentOS := runtime.GOOS
+
+	if currentOS == "windows" {
+		return returnOsDefault(currentOS)
+	}
+
+	pwd, err := os.Getwd()
+
+	if err != nil {
+		logger.Error("Could not get current path. using default")
+		return returnOsDefault(currentOS)
+	}
+
+	if isDevenvironment(pwd) {
+		return "../data/plugins"
+	}
+
+	return returnOsDefault(currentOS)
+}
+
+func isDevenvironment(pwd string) bool {
+	// if ../conf/defaults.ini exists, grafana is not installed as package
+	// that its in development environment.
+	_, err := os.Stat("../conf/defaults.ini")
+	return err == nil
+}
+
+func returnOsDefault(currentOs string) string {
+	switch currentOs {
+	case "windows":
+		return "../data/plugins"
+	case "darwin":
+		return "/usr/local/var/lib/grafana/plugins"
+	default: //"linux"
+		return "/var/lib/grafana/plugins"
+	}
+}