playing around

deploy.sh

@@ -20,183 +20,72 @@ EOF
 # --------------------------------------------------------
 # Checking Dependencies
 # --------------------------------------------------------
+# Function to check if a program is installed
+check_installed() {
+    if ! which "$1" > /dev/null 2>&1; then
+        echo "$1 is not installed."
+        return 1
+    else
+        echo "$1 is already installed."
+        return 0
+    fi
+}
 
-# Ask the user if Java is installed
+# Check if Java is installed
-read -p "Is Java installed? (y/n): " answer
+check_installed java
+java_installed=$?
 
-# If the user answers "n", Java and other packages will be installed
+# Check if Tmux is installed
-if [[ "$answer" = "n" ]]; then
+check_installed tmux
-    # Update and install necessary packages
+tmux_installed=$?
-    sudo apt update && sudo apt upgrade -y
-    sudo apt install -y openjdk-17-jdk openjdk-17-jre-headless tmux
 
-    # Add necessary commands to /etc/rc.local with proper permissions
+# Function to check if /etc/rc.local already contains the required lines
-    sudo tee -a /etc/rc.local > /dev/null <<EOL
+check_rc_local() {
+    if grep -q "exec 1>/tmp/rc.local.log 2>&1" /etc/rc.local && grep -q "set -x" /etc/rc.local; then
+        echo "The changes in rc.local are already present."
+        return 0
+    else
+        echo "The changes in rc.local are missing."
+        return 1
+    fi
+}
+
+# Check if the changes in rc.local are already applied
+check_rc_local
+rc_local_modified=$?
+
+# If Java or Tmux is not installed, or rc.local is not modified, install/modify
+if [[ $java_installed -ne 0 || $tmux_installed -ne 0 || $rc_local_modified -ne 0 ]]; then
+    read -p "Java, Tmux, or rc.local changes are missing. Do you want to install the required programs/make changes now? (y/n): " answer
+
+    if [[ "$answer" = "y" ]]; then
+        # Update and install the packages
+        sudo apt update && sudo apt upgrade -y
+
+        if [[ $java_installed -ne 0 ]]; then
+            sudo apt install -y openjdk-17-jdk openjdk-17-jre-headless
+        fi
+
+        if [[ $tmux_installed -ne 0 ]]; then
+            sudo apt install -y tmux
+        fi
+
+        # Only append to rc.local if changes are missing
+        if [[ $rc_local_modified -ne 0 ]]; then
+            sudo tee -a /etc/rc.local > /dev/null <<EOL
 #!/bin/bash
 exec 1>/tmp/rc.local.log 2>&1
 set -x
 EOL
+            # Make /etc/rc.local executable
+            sudo chmod +x /etc/rc.local
+        fi
 
-    # Make /etc/rc.local executable
+    else
-    sudo chmod +x /etc/rc.local
+        echo "Installation/changes aborted. Exiting script."
+        exit 1
+    fi
 
-# If the user answers "y", proceed with the script without installing Java
-elif [[ "$answer" = "y" ]]; then
-    echo "Java is already installed, proceeding..."
 else
-    # If user inputs anything else, show an error message
+    echo "All required programs are already installed and rc.local is configured. Proceeding with installation..."
-    echo "Invalid input. Please enter 'y' or 'n'."
-    exit 1
 fi
-
-# --------------------------------------------------------
-# Modloader Selection
-# --------------------------------------------------------
-
-echo What Modloader should be used?
-
-modloader=("Forge" "Fabric")
-
-select opt in "${modloader[@]}"
-do
-    case $opt in
-        "Forge")
-            break
-            ;;
-        "Fabric")
-            echo "Fabric is not supported yet"
-            exit 1
-            break
-            ;;
-        *)
-            echo "Invalid selection"
-            ;;
-    esac
-done
-
-
-# --------------------------------------------------------
-# Select MC-Version
-# --------------------------------------------------------
-
-echo What MC-Version do you want to deploy?
-
-versions=("1.21.1" "1.21" "1.20.6" "1.20.4" "1.20.3" "1.20.2" "1.20.1")
-
-select opt in "${versions[@]}"
-do
-    case $opt in
-        "1.21.1")
-            echo "Not Supported yet"
-            break
-            ;;
-        "1.21")
-            echo "Not Supported yet"
-            break
-            ;;
-        "1.20.6")
-            echo "Not Supported yet"
-            break
-            ;;
-        "1.20.4")
-            echo "Not Supported yet"
-            break
-            ;;
-        "1.20.3")
-            echo "Not Supported yet"
-            break
-            ;;
-        "1.20.2")
-            echo "Not Supported yet"
-            break
-            ;;
-        "1.20.1")
-            minecraft_version="1.20.1"
-            forge_version="47.3.0"
-            break
-            ;;
-        *)
-            echo "Invalid selection"
-            ;;
-    esac
-done
-
-
-# echo How much RAM do you want to use?
-# echo What mods do you want to use?
-# echo Which mods do you want to add?
-
-
-# --------------------------------------------------------
-# Installation Variables
-# --------------------------------------------------------
-
-# Set Working Directory
-working_dir="$HOME/minecraft_server"
-management_dir="$HOME/minecraft_server/management"
-server_dir="$HOME/minecraft_server/server"
-
-
-# Connecting Versions
-mc_forge_version="${minecraft_version}-${forge_version}"
-
-# Creating Installer-URL Template
-URL="https://maven.minecraftforge.net/net/minecraftforge/forge/${mc_forge_version}/forge-${mc_forge_version}-installer.jar"
-
-
-# --------------------------------------------------------
-# Downloading Installer
-# --------------------------------------------------------
-
-echo "Downloading Installer"
-mkdir ${working_dir}
-mkdir ${server_dir}
-wget "$server_dir" "$URL" > /dev/null 2>&1 & # no output for wget
-PID=$!
-(
-    while kill -0 $PID 2> /dev/null; do
-        echo "Downloading....."
-        sleep 1
-    done
-    echo "Download finished."
-) &&
-
-
-# --------------------------------------------------------
-# Installing Server
-# --------------------------------------------------------
-echo "Installing Server"
-cd ${server_dir}
-sleep 2
-java -jar forge-${mc_forge_version}-installer.jar --installServer > /dev/null 2>&1 &
-
-# Store the PID of the installer process
-PID=$!
-
-# Progress monitoring while the server is installing
-(
-    while kill -0 $PID 2> /dev/null; do
-        echo "Installing server....."
-        sleep 5
-    done
-    echo "Server installation finished."
-)
-
-echo "Removing Installer"
-rm "forge-${mc_forge_version}-installer.jar"
-
-
-# --------------------------------------------------------
-# Installing Server
-# --------------------------------------------------------
-# Will be reworked soon. Aim is to create an stattic 
-# script, server_manager.sh. Version and important information
-# from the install script will be passed in a seperate file
-# which needs to be sourced by the manager.
-mkdir ${management_dir}
-echo "Creating Start Script"
-touch "${management_dir}/start_server.sh"
-echo "#!/bin/bash" > "${management_dir}/start_server.sh"
-echo 'tmux new -s minecraft_server 'java -Djava.awt.headless=true @user_jvm_args.txt @libraries/net/minecraftforge/forge/${mc_forge_version}/unix_args.txt "$@"'' >> "${working_dir}/start_server.sh"
-chmod +x "${management_dir}/start_server.sh"
-