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Install elasticsearch on ec2 node
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#! /bin/bash | |
set -e | |
AWS_ACCESS_KEY=$1 | |
AWS_SECRET_KEY=$2 | |
if [ -z "$AWS_SECRET_KEY" ]; then | |
echo "usge: $0 <aws_access_key> <aws_secret_key" | |
exit 2 | |
fi | |
if [ "$(id -u)" != 0 ]; then | |
echo "this script must be run as root" | |
exit 2 | |
fi | |
# format and mount ephemeral storage | |
# default fstab mounts to /media/ephemeral0 | |
if ! mount | grep "/media/ephemeral0"; then | |
mkfs.ext4 /dev/xvdb | |
fi | |
if ! mount | grep "/media/ephemeral1"; then | |
if lsblk | grep xvdc; then | |
mkfs.ext4 /dev/xvdc | |
mkdir -p /media/ephemeral1 | |
echo "/dev/xvdc /media/ephemeral1 auto defaults,nofail,comment=cloudconfig 0 2" >> /etc/fstab | |
fi | |
fi | |
mount -a | |
# install elasticsearch | |
if ! rpm -q elasticsearch; then | |
if [ ! -f elasticsearch-2.2.0.rpm ]; then | |
wget https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/rpm/elasticsearch/2.2.0/elasticsearch-2.2.0.rpm | |
fi | |
rpm -Uvh elasticsearch-2.2.0.rpm | |
fi | |
# install plugins | |
cd /usr/share/elasticsearch | |
bin/plugin install -b license | |
bin/plugin install -b marvel-agent | |
bin/plugin install -b lmenezes/elasticsearch-kopf | |
bin/plugin install -b mobz/elasticsearch-head | |
bin/plugin install -b cloud-aws | |
# setup data dir | |
mkdir -p /media/ephemeral0/elasticsearch | |
chown elasticsearch:elasticsearch /media/ephemeral0/elasticsearch | |
PATH_DATA=/media/ephemeral0/elasticsearch | |
if mount | grep "/media/ephemeral1"; then | |
mkdir -p /media/ephemeral1/elasticsearch | |
chown elasticsearch:elasticsearch /media/ephemeral1/elasticsearch | |
PATH_DATA=/media/ephemeral0/elasticsearch,/media/ephemeral1/elasticsearch | |
fi | |
# backup and create new elasticsearch configuration | |
if [ ! -f /etc/elasticsearch/elasticsearch.yml ]; then | |
mv /etc/elasticsearch/elasticsearch.yml /etc/elasticsearch/elasticsearch.yml.orig | |
fi | |
cat <<END > /etc/elasticsearch/elasticsearch.yml | |
cluster.name: hellfish-elastic-spike | |
path.data: $PATH_DATA | |
bootstrap.mlockall: true | |
network.host: $(/sbin/ifconfig eth0 | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}') | |
node.name: $(hostname) | |
cloud.aws.access_key: $AWS_ACCESS_KEY | |
cloud.aws.secret_key: $AWS_SECRET_KEY | |
cloud.aws.region: us-west-2 | |
discovery.type: ec2 | |
discovery.ec2.groups: hellfish-elastic-spike | |
discovery.zen.ping.multicast.enabled: false | |
script.inline: on | |
script.indexed: on | |
END | |
# update sysconfig/elasticsearch memroy settings | |
if [ ! -f /etc/sysconfig/elasticsearch.orig ]; then | |
mv /etc/sysconfig/elasticsearch /etc/sysconfig/elasticsearch.orig | |
fi | |
# Memory should be 50% of available (up to 32g) | |
cat <<END > /etc/sysconfig/elasticsearch | |
ES_HEAP_SIZE=$(free -g | grep Mem | awk '{printf "%.0fg", $2 * .5}') | |
MAX_LOCKED_MEMORY=unlimited | |
END | |
service elasticsearch start | |
# setup elasticsearch to start after reboot | |
chkconfig --add elasticsearch | |
yum install -y sysstat || true | |
echo "Installation of elasticsearch completed successfully." | |
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