Docked Tomcat installer

tomcat-install.sh

#!/bin/sh
set -e

user="$(id -un 2>/dev/null || true)"
if [ "$user" != 'root' ]; then
  echo "Please run as root"
  exit
fi

# Check if cmd exists
command_exists() {
  command -v "$@" > /dev/null 2>&1
}

# Get latest software
apt-get update > /dev/null

# Need curl
if ! command_exists curl; then
  apt-get -y install curl > /dev/null
fi

# Need pip
if ! command_exists pip; then
  apt-get -y install python-pip > /dev/null
fi

# Install click module
pip install Click > /dev/null

# Install Docker
curl -fsSL https://get.docker.com/ | sh

# Download Tomcat 8 image
docker pull tomcat:jre8

# Download project building helper
curl -fsSL https://git.io/vaUDF > /usr/bin/jsprun
chmod a+x /usr/bin/jsprun

# Copy Tomcat folder from container to system
docker run -dt --name=sqrd_tomcat tomcat:jre8
docker cp sqrd_tomcat:/usr/local/tomcat /usr/local/tomcat
docker stop sqrd_tomcat
docker rm sqrd_tomcat

echo "Everything went fine. Try it!"

Run with curl

curl -fsSL https://git.io/vaUAS | sh

or wget

wget -qO- https://git.io/vaUAS | sh