install-graylog2-server.sh

#!/bin/bash
##
# Installs the Graylog2 server
#
# Graylog2 requires an entire Elasticsearch cluster to itself, so this script will overwrite
# the Elasticsearch config to change the cluster name. Configured with the username `admin`
# and the password `password`.
#
# Provides:
# - HTTP REST API (TCP/12900)
#
# Dependencies:
# - Elasticsearch (0.90.x)
# - MongoDB
##
set -eux

source env.sh
GRAY_BASE_URL=https://github.com/Graylog2/graylog2-server/releases/download/${GRAYLOG_VERSION}/
GRAY_TAR=graylog2-server-${GRAYLOG_VERSION}.tgz
GRAY_INST_PATH=/usr/share/graylog2-server
	
apt-get install -yq openjdk-7-jre-headless

cd /tmp

useradd -s /bin/false -d /var/lib/graylog2 -m graylog2

mkdir -p /var/log/graylog2
chown graylog2:graylog2 /var/log/graylog2

sudo mkdir -p $GRAY_INST_PATH 
if [ "x$USE_CACHE" == "xtrue" ]; then
	if [ ! -e $REPOS_PATH/$GRAY_TAR ]; then wget -P $REPOS_PATH $GRAY_BASE_URL/$GRAY_TAR; fi
	sudo tar --strip-components=1 -xzvf $REPOS_PATH/$GRAY_TAR -C $GRAY_INST_PATH &> gray.log
else
	curl $GRAY_BASE_URL/$GRAY_TAR | sudo tar --strip-components=1 -xzv -C $GRAY_INST_PATH &> gray.log
fi

mkdir -p /etc/graylog2

cp $BASE_PATH/etc/graylog2/server.conf /etc/graylog2
cp $BASE_PATH/etc/init/graylog2-server.conf /etc/init

cp $BASE_PATH/etc/elasticsearch/graylog2/elasticsearch.yml /etc/elasticsearch
service elasticsearch restart

start graylog2-server