Turnkey Linux

turnkey-linux.sh

#!/bin/bash

logo() {
        echo "  ______                 __                 __    _                 "
        echo " /_  __/_  ___________  / /_____  __  __   / /   (_)___  __  ___  __"
        echo "  / / / / / / ___/ __ \/ //_/ _ \/ / / /  / /   / / __ \/ / / / |/_/"
        echo " / / / /_/ / /  / / / / ,< /  __/ /_/ /  / /___/ / / / / /_/ />  <  "
        echo "/_/  \__,_/_/  /_/ /_/_/|_|\___/\__, /  /_____/_/_/ /_/\__,_/_/|_|  "
        echo "                               /____/                               "
        echo ""

        # ensure java on path
        source /etc/profile
}

usage() {
        logo
        echo "Script creates the default appliance based version of a Java Application"
        echo "server for minimal footprint installations. This is usueful for cloud based"
        echo "or 'just-enough' operating systems."
        echo ""
        echo "usage:"
        echo "   $0 [install|configure|remove]"
        echo ""
        echo "examples:"
        echo "   $0 install   -> installs the required software for running this appliance"
        echo "   $0 configure -> configures this installation"
        echo "   $0 remove    -> removes all configuration for this installation"
        exit 0
}

# check args passed, if NULL then display usage
if [ $# -lt 1 ]; then
        usage
fi

# get current directory
SCRIPT=$(readlink -f $0)
DIR=`dirname $SCRIPT`

case $1 in
        install)
                logo

                # ensure minimal software packages
                sudo apt-get install htop nano haproxy unrar rar unzip zip curl

                if [ ! -f "$DIR/jdk-6u26-linux-x64.bin" ]; then
                        echo "Downloading java x64..."
                        wget http://download.oracle.com/otn-pub/java/jdk/6u26-b03/jdk-6u26-linux-x64.bin
                fi

                if [ ! -d "$DIR/jdk1.6.0_26" ]; then
                        echo "Extracting java..."
                        chmod +x jdk-6u26-linux-x64.bin
                        echo 'y' > java-license-agreement.txt
                        ./jdk-6u26-linux-x64.bin < java-license-agreement.txt &> /dev/null
                        rm java-license-agreement.txt
                fi

                if [ ! -f "$DIR/tomcat.zip" ]; then
                        echo "Getting latest Apache Tomcat..."
                        wget https://github.com/downloads/terrancesnyder/tomcat/tomcat.zip -O tomcat.zip
                fi

                if [ ! -d "$DIR/tomcat" ]; then
                        echo "Extracting Apache Tomcat..."
                        unzip tomcat.zip -d ./
                fi

                exit 0
        ;;
        configure)
                logo

                # ensure install was completed
                if [ ! -d "$DIR/tomcat" ]; then
                        echo "You must run './$0 install' first..."
                        exit 0
                fi
                if [ ! -d "$DIR/jdk1.6.0_26" ]; then
                        echo "You must run './$0 install' first..."
                        exit 0
                fi

                if [ ! -d "/opt/dev" ]; then
                        echo "Creating /opt/dev/ folder..."
                        sudo mkdir /opt/dev
                        sudo chmod 777 /opt/dev
                fi

                if [ ! -d "/opt/dev/java" ]; then
                        echo "Configuring java..."
                        sudo cp -R $DIR/jdk1.6.0_26 /opt/dev/java
                fi

                if [ ! -d "/opt/dev/tomcat" ]; then
                        echo "Configuring tomcat..."
                        sudo cp -R $DIR/tomcat /opt/dev/tomcat
                fi

                TOMCAT_GROUP=`grep "^tomcat" /etc/group`
                if [ -z "$TOMCAT_GROUP" ]; then
                        echo "Creating tomcat group..."
                        sudo groupadd tomcat
                fi

                TOMCAT_USER=`grep "^tomcat:" /etc/passwd`
                if [ -z "$TOMCAT_USER" ]; then
                        echo "Creating tomcat user..."
                        sudo useradd -g tomcat -p tomcat -c "Apache Tomcat Application" tomcat
                fi

                sudo chown -R tomcat:users /opt/dev
                sudo chmod +x /opt/dev/tomcat/*.sh
                sudo chmod +x /opt/dev/tomcat/shared/template/bin/*.sh

                if [ ! -f "/etc/profile.d/turnkey-linux.sh" ]; then
                        sudo touch /etc/profile.d/turnkey-linux.sh
                        sudo chmod 777 /etc/profile.d/turnkey-linux.sh
                        sudo chown tomcat:users /etc/profile.d/turnkey-linux.sh
                        sudo echo "export JAVA_HOME=\"/opt/dev/java\"" >> /etc/profile.d/turnkey-linux.sh
                        sudo echo "export JRE_HOME=\"/opt/dev/java\"" >> /etc/profile.d/turnkey-linux.sh
                        sudo echo "export PATH=\"\$JAVA_HOME/bin:\$PATH\"" >> /etc/profile.d/turnkey-linux.sh
                fi

                exit 0
        ;;
        remove)
                logo

                echo "Removing turnkey-linux will result in:"
                echo ""
                echo "  -> All tomcat instances will STOP and then be DELETED in /opt/dev/tomcat"
                echo "  -> /opt/dev/java will be DELETED"
                echo "  -> /etc/profile.d/turnkey-linux.sh will be DELETED"
                echo "  -> 'tomcat' user being removed from the system"
                echo "  -> 'tomcat' group being removed from the system"
                echo ""
                echo "Are you sure? [y/N]:"
                read -e CONFIRMATION

                case $CONFIRMATION in
                        [yY]*)
                                if [ -f "/etc/profile.d/turnkey-linux.sh" ]; then
                                        sudo rm /etc/profile.d/turnkey-linux.sh
                                fi
                                if [ -d "/opt/dev/tomcat" ]; then
                                        echo "Ensuring tomcat is shutdown..."
                                        sudo /opt/dev/tomcat/server.sh stop
                                        echo "Removing /opt/dev/tomcat..."
                                        sudo rm -rf /opt/dev/tomcat
                                fi
                                if [ -d "/opt/dev/java" ]; then
                                        echo "Removing /opt/dev/java..."
                                        sudo rm -rf /opt/dev/java
                                fi

                                TOMCAT_USER=`grep "^tomcat:" /etc/passwd`
                                TOMCAT_GROUP=`grep "^tomcat" /etc/group`

                                if [ ! -z "$TOMCAT_USER" ]; then
                                        echo "Removing tomcat user..."
                                        sudo userdel tomcat > /dev/null 2>&1
                                fi

                                if [ ! -z "$TOMCAT_GROUP" ]; then
                                        echo "Removing tomcat group..."
                                        sudo groupdel tomcat > /dev/null 2>&1
                                fi
                                exit 0
                        ;;
                        *)
                                echo "(aborted)"
                                exit 0
                                ;;
                esac
        ;;
esac