Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Install ElasticSearch with the Cerebro UI on CentOS 6 & 7 (with or without cPanel)
#!/bin/bash
# /**
# * @version 1.0
# * @package Install ElasticSearch with the Cerebro UI on CentOS 6 & 7 (with or without cPanel)
# * @author Fotis Evangelou (https://kodeka.io)
# * @url https://engintron.com
# * @copyright Copyright (c) 2018 - 2019 Kodeka OÜ. All rights reserved.
# * @license GNU/GPL license: https://www.gnu.org/copyleft/gpl.html
# */
# Script Parameters
CEREBRO_VERSION="0.8.3" # Get latest version number from: https://github.com/lmenezes/cerebro/releases
OPEN_FIREWALL_PORT_FOR_CEREBRO="no" # Options: yes|no - Opens port 9000 in the firewall for Cerebro upon installation
# How to use (as root user):
# $ wget -O ~/install_elasticsearch_in_centos.sh https://gist.githubusercontent.com/fevangelou/1d959592a1107455f69cfe22791c9d70/raw/install_elasticsearch_in_centos.sh
# $ chmod +x ~/install_elasticsearch_in_centos.sh
# $ ~/install_elasticsearch_in_centos.sh
# ========================================= #
# === Nothing to change below this line === #
# ========================================= #
# Constants
CENTOS_VERSION=$(rpm -q --qf "%{VERSION}" $(rpm -q --whatprovides redhat-release))
# Install Java
yum -y update
yum -y install java-1.8.0-openjdk.x86_64
# Install ElasticSearch
rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
if [ ! -f "/etc/yum.repos.d/elasticsearch.repo" ]; then
touch /etc/yum.repos.d/elasticsearch.repo
fi
cat > "/etc/yum.repos.d/elasticsearch.repo" << EOF
[elasticsearch-7.x]
name=Elasticsearch repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md
EOF
yum -y update
yum install elasticsearch
# --- Register & start in CentOS 6 --
if [ "$CENTOS_VERSION" = "6" ]; then
chkconfig --add elasticsearch
chkconfig elasticsearch on
service elasticsearch start
fi
# --- Register & start in CentOS 7 --
if [ "$CENTOS_VERSION" = "7" ]; then
systemctl daemon-reload
systemctl enable elasticsearch
systemctl start elasticsearch
fi
# Install Cerebro
cd ~/
wget https://github.com/lmenezes/cerebro/releases/download/v$CEREBRO_VERSION/cerebro-$CEREBRO_VERSION.zip
unzip cerebro-$CEREBRO_VERSION.zip
rm -f cerebro-$CEREBRO_VERSION.zip
touch /usr/local/bin/cerebroctl
chmod +x /usr/local/bin/cerebroctl
cat > "/usr/local/bin/cerebroctl" << EOF
#!/bin/bash
case \$1 in
start)
nohup /root/cerebro-$CEREBRO_VERSION/bin/cerebro &> /root/cerebroctl.out &
echo ""
echo " --- Cerebro started --- "
echo ""
echo " Access Cerebro at http://localhost:9000 "
echo ""
;;
stop)
fuser -k 9000/tcp
echo ""
echo " --- Cerebro stopped --- "
echo ""
;;
*)
echo ""
echo " Use 'cerebroctl start' OR 'cerebroctl stop' to control Cerebro. "
echo ""
;;
esac
EOF
# Open firewall port for Cerebro
if [ "$OPEN_FIREWALL_PORT_FOR_CEREBRO" = "yes" ]; then
# --- For CentOS 6 --
if [ "$CENTOS_VERSION" = "6" ]; then
iptables -I INPUT -p tcp -m tcp --dport 9000 -j ACCEPT
service iptables save
fi
# --- For CentOS 7 --
if [ "$CENTOS_VERSION" = "7" ]; then
firewall-cmd --zone=public --add-port=9000/tcp --permanent
firewall-cmd --reload
fi
/usr/local/bin/cerebroctl start
fi
echo ""
echo " --- ElasticSearch & Cerebro are now installed on your server --- "
if [ "$OPEN_FIREWALL_PORT_FOR_CEREBRO" = "no" ]; then
echo ""
echo " To access Cerebro (the ElasticSearch UI), you should now "
echo " open port 9000 for Cerebro on your firewall and then start "
echo " Cerebro with 'cerebroctl start' from the terminal. "
else
echo ""
echo " To access Cerebro (the ElasticSearch UI) go to: "
echo " http://YOUR_SERVER_S_HOSTNAME_OR_IP:9000/ "
echo ""
echo " If you have Engintron installed on your CentOS/cPanel server, "
echo " you can create a custom rule to proxy a subdomain directly to: "
echo " http://YOUR_SERVER_S_HOSTNAME_OR_IP:9000/ "
echo ""
echo " See the Engintron Docs for more: https://engintron.com/docs "
fi
echo ""
exit 0
# If you are on CentOS/cPanel with Engintron installed and you wish to load
# Cerebro from a subdomain (to mask port 9000), create a DNS entry for your
# subdomain and then simply add a custom rule in Engintron like this:
#
# if ($host ~ "cerebro.domain.tld") {
# set $PROXY_SCHEME "http";
# set $PROXY_DOMAIN_OR_IP "127.0.0.1";
# set $PROXY_TO_PORT 9000;
# }
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.