Update grafana-install.sh

grafana/grafana-install.sh

@@ -9,6 +9,13 @@ if ! [ $(id -u) = 0 ]; then
    exit 1
 fi
 
+# Check for Reinstall
+if [ "$(ls -A /usr/local/share/grafana 2>/dev/null)" ]; then
+	echo "Existing ${APP_NAME} data detected."
+	echo "Starting reinstall..."
+	REINSTALL="true"
+fi
+
 # Install Packages
 pkg install -y \
 grafana
@@ -23,3 +30,13 @@ echo "Installation complete."
 echo "$APP_NAME is running on port 32400"
 echo "Default user is admin and password is admin."
 echo "---------------"
+if [ "${REINSTALL}" == "true" ]; then
+	echo "You did a reinstall."
+ 	echo "Please user your old credentials to log in."
+	echo "---------------"
+else
+	echo "User Information"
+	echo "Default ${APP_NAME} user is admin"
+	echo "Default ${APP_NAME} password is admin"
+	echo "---------------"
+fi