helpers/common: functions common to all helpers

helpers/common.go

@@ -0,0 +1,18 @@
+package helpers
+
+import (
+	"fmt"
+	"os"
+)
+
+func checkEnvPath(env string) (string, error) {
+	filePath, _ := os.LookupEnv(env)
+	if filePath != "" {
+		_, err := os.Stat(filePath)
+		if err != nil {
+			return "", fmt.Errorf("could not open %s %s", env, filePath)
+		}
+		return filePath, nil
+	}
+	return "", nil
+}