Add auto-update feature in netbird script for binary installation (#1106)

This pull request addresses the need to enhance the installer script by introducing a new parameter --update to trigger updates. The goal is to streamline the update process for binary installations and provide a better experience for users.

release_files/install.sh

@@ -3,6 +3,9 @@
 # Source: https://github.com/physk/netbird-installer
 set -e
 
+CONFIG_FOLDER="/etc/netbird"
+CONFIG_FILE="$CONFIG_FOLDER/install.conf"
+
 OWNER="netbirdio"
 REPO="netbird"
 CLI_APP="netbird"
@@ -12,7 +15,7 @@ UI_APP="netbird-ui"
 OS_NAME=""
 OS_TYPE=""
 ARCH="$(uname -m)"
-PACKAGE_MANAGER=""
+PACKAGE_MANAGER="bin"
 INSTALL_DIR=""
 
 get_latest_release() {
@@ -25,7 +28,7 @@ download_release_binary() {
     BASE_URL="https://github.com/${OWNER}/${REPO}/releases/download"
     BINARY_BASE_NAME="${VERSION#v}_${OS_TYPE}_${ARCH}.tar.gz"
 
-    # for Darwin, download the signed Netbird-UI
+    # for Darwin, download the signed NetBird-UI
     if [ "$OS_TYPE" = "darwin" ] && [ "$1" = "$UI_APP" ]; then
         BINARY_BASE_NAME="${VERSION#v}_${OS_TYPE}_${ARCH}_signed.zip"
     fi
@@ -73,8 +76,8 @@ add_apt_repo() {
 
 add_rpm_repo() {
 cat <<-EOF | sudo tee /etc/yum.repos.d/netbird.repo
-[Netbird]
-name=Netbird
+[NetBird]
+name=NetBird
 baseurl=https://pkgs.netbird.io/yum/
 enabled=1
 gpgcheck=0
@@ -145,15 +148,18 @@ check_use_bin_variable() {
 }
 
 install_netbird() {
-    # Check if netbird CLI is installed
     if [ -x "$(command -v netbird)" ]; then
-        if  netbird status > /dev/null 2>&1; then
-            echo "Netbird service is running, please stop it before proceeding"
+        status_output=$(netbird status)
+        if echo "$status_output" | grep -q 'Management: Connected' && echo "$status_output" | grep -q 'Signal: Connected'; then
+            echo "NetBird service is running, please stop it before proceeding"
+            exit 1
         fi
 
-        echo "Netbird seems to be installed already, please remove it before proceeding"
+        if [ -n "$status_output" ]; then
+            echo "NetBird seems to be installed already, please remove it before proceeding"
             exit 1
         fi
+    fi
 
     # Checks if SKIP_UI_APP env is set
     if [ -z "$SKIP_UI_APP" ]; then
@@ -161,7 +167,7 @@ install_netbird() {
     else
         if $SKIP_UI_APP; then
             echo "SKIP_UI_APP has been set to true in the environment"
-            echo "Netbird UI installation will be omitted based on your preference"
+            echo "NetBird UI installation will be omitted based on your preference"
         fi
     fi
 
@@ -177,13 +183,13 @@ install_netbird() {
             if [ "$ARCH" != "amd64" ] && [ "$ARCH" != "arm64" ] \
                 && [ "$ARCH" != "x86_64" ];then
                 SKIP_UI_APP=true
-                echo "Netbird UI installation will be omitted as $ARCH is not a compactible architecture"
+                echo "NetBird UI installation will be omitted as $ARCH is not a compactible architecture"
             fi
 
             # Allow netbird UI installation for linux running desktop enviroment
             if [ -z "$XDG_CURRENT_DESKTOP" ];then
                 SKIP_UI_APP=true
-                    echo "Netbird UI installation will be omitted as Linux does not run desktop environment"
+                echo "NetBird UI installation will be omitted as Linux does not run desktop environment"
             fi
 
             # Check the availability of a compatible package manager
@@ -271,8 +277,8 @@ install_netbird() {
     ;;
     *)
       if [ "$OS_NAME" = "nixos" ];then
-            echo "Please add Netbird to your NixOS configuration.nix directly:"
-			echo
+        echo "Please add NetBird to your NixOS configuration.nix directly:"
+			  echo ""
 			  echo "services.netbird.enable = true;"
 
         if ! $SKIP_UI_APP; then
@@ -280,7 +286,7 @@ install_netbird() {
         fi
 
         echo "Build and apply new configuration:"
-            echo
+        echo ""
         echo "sudo nixos-rebuild switch"
 			  exit 0
       fi
@@ -289,12 +295,16 @@ install_netbird() {
     ;;
     esac
 
+    # Add package manager to config
+    sudo mkdir -p "$CONFIG_FOLDER"
+    echo "package_manager=$PACKAGE_MANAGER" | sudo tee "$CONFIG_FILE" > /dev/null
+
     # Load and start netbird service
     if  ! sudo netbird service install 2>&1; then
-        echo "Netbird service has already been loaded"
+        echo "NetBird service has already been loaded"
     fi
     if  ! sudo netbird service start 2>&1; then
-        echo "Netbird service has already been started"
+        echo "NetBird service has already been started"
     fi
 
 
@@ -303,4 +313,51 @@ install_netbird() {
     echo "sudo netbird up"
 }
 
+version_greater_equal() {
+    printf '%s\n%s\n' "$2" "$1" | sort -V -C
+}
+
+is_bin_package_manager() {
+  if sudo test -f "$1" && sudo grep -q "package_manager=bin" "$1" ; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+update_netbird() {
+  if is_bin_package_manager "$CONFIG_FILE"; then
+    latest_release=$(get_latest_release)
+    latest_version=${latest_release#v}
+    installed_version=$(netbird version)
+
+    if [ "$latest_version" = "$installed_version" ]; then
+      echo "Installed netbird version ($installed_version) is up-to-date"
+      exit 0
+    fi
+
+    if version_greater_equal "$latest_version" "$installed_version"; then
+      echo "NetBird new version ($latest_version) available. Updating..."
+      echo ""
+      echo "Initiating NetBird update. This will stop the netbird service and restart it after the update"
+
+      sudo netbird service stop
+      sudo netbird service uninstall
+      install_native_binaries
+
+      sudo netbird service install
+      sudo netbird service start
+    fi
+  else
+     echo "NetBird installation was done using a package manager. Please use your system's package manager to update"
+  fi
+}
+
+
+case "$1" in
+    --update)
+      update_netbird
+    ;;
+    *)
       install_netbird
+esac