minecraft_bootstrap

#!/bin/bash
set -e
set -x

# For testing builds
TRAVIS=$1

# Minecraft server quick-installer
#
# Stephen Wood
# www.heystephenwood.com
# https://github.com/stephen-mw/vagrant_minecraft

# Some default variables to get the ball started
VERSION='https://s3.amazonaws.com/Minecraft.Download/versions/1.8/minecraft_server.1.8.jar'
WORK_DIR='/opt/minecraft'

# The only required package is openjdk-6
export DEBIAN_FRONTEND=noninteractive
apt-get update -y
apt-get install -y --no-install-recommends openjdk-6-jre-headless

# We want to save persistent files, so we'll symlink over that directory
if [[ -z "${TRAVIS}" ]]; then
  ln -s /vagrant/persistent_files ${WORK_DIR}
fi

test -d ${WORK_DIR}/logs || mkdir -p ${WORK_DIR}/logs
pushd ${WORK_DIR}

# Download the jar if it doesn't already exist
HEADER='Referer: https://github.com/stephendotexe/vagrant_minecraft_auto_launch'
test -f "${VERSION}" || wget --header=${HEADER} --quiet "${VERSION}"

# Upstart manages the server process
cat > /etc/init/minecraft.conf <<MINECRAFT_CONF
# Minecraft upstart script

start on (local-filesystems and net-device-up IFACE!=lo)
stop on [!12345]

respawn

chdir ${WORK_DIR}

exec java -Xmx1024M -Xms1024M -jar minecraft_server.1.8.jar nogui > /opt/minecraft/logs/service.log 2>&1
MINECRAFT_CONF

# A logrotate script to keep the minecraft server log from getting too large
cat > /etc/logrotate.d/minecraft <<MINECRAFT_LOGROTATE
${WORK_DIR}/logs/service.log {
  rotate 24
  weekly
  compress
  notifempty
  copytruncate
}
MINECRAFT_LOGROTATE

# Always accept the eula
cat > ${WORK_DIR}/eula.txt <<EULA
# By changing the setting below to TRUE you are indicating your agreement to our EULA (https://account.mojang.com/documents/minecraft_eula).
eula=TRUE
EULA

initctl reload-configuration
service minecraft start

# Delete the useless vagrant MOTD and install our own
test -f /etc/motd.tail && rm /etc/motd.tail
test -f /etc/update-motd.d/* && rm -r -- /etc/update-motd.d/*
cat > /etc/update-motd.d/00-header <<'DONE'
#!/bin/bash

GREEN='\e[0;32m'
LBLUE='\e[1;34m'
RESET='\e[0m'
echo -e "
${LBLUE}WELCOME TO MINECRAFT!

To stop, start, restart or check the status of the the minecraft server
process, simply run:${RESET}
${GREEN}
  $ service minecraft <stop|start|restart|status>${RESET}
${LBLUE}
The runtime logs are available at /opt/minecraft/logs

To change the min or max server memory values, make the change in:${RESET}
${GREEN}
  /etc/init/minecraft.conf${RESET}
${LBLUE}
And then restart the server proces.

Status of minecraft server:${RESET}

${GREEN}$(service minecraft status)${RESET}

${LBLUE}Have fun!${RESET}"
DONE

chmod +x /etc/update-motd.d/00-header
chmod 755 /etc/update-motd.d/00-header