Installing ScyllaDB cluster in AWS with RAID0 array

quick-install-scylla-aws.sh

# Installing ScyllaDB cluster in AWS with RAID0 array
# Prerequisites:
#   - CentOS 7 (x86_64) with Updates HVM (available on AWS Marketplace)
#   - Instance type with 2 hard drives for RAID0 array

SEED="10.0.0.11"
CLUSTER_NAME="Scylla Cluster"
PRIVATE_IP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)

######### Create RAID0 Array ############
yum install mdadm -y

umount /dev/xvdb
yes | mdadm --create --verbose /dev/md0 --level=0 --name=MY_RAID --raid-devices=2 /dev/xvdb /dev/xvdc
mkfs.xfs -f -K /dev/md0

mkdir /var/lib/scylla
mount /dev/md0 /var/lib/scylla
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######### Install ScyllaDB ##############
# Manual install of epel
# wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
# rpm -ivh rpm -ivh epel-release-latest-7*.rpm
yum install epel-release -y

curl http://downloads.scylladb.com/rpm/centos/scylla.repo -s -o /etc/yum.repos.d/scylla.repo
yum install scylla-server scylla-jmx scylla-tools -y

sed  -i -e "s/cluster_name: 'Test Cluster'/cluster_name: '$CLUSTER_NAME'/g" /etc/scylla/scylla.yaml
sed  -i -e "s/- seeds: \"127.0.0.1\"/- seeds: \"$SEED\"/g" /etc/scylla/scylla.yaml
sed  -i -e "s/listen_address: localhost/listen_address: $PRIVATE_IP/g" /etc/scylla/scylla.yaml
sed  -i -e "s/rpc_address: localhost/rpc_address: $PRIVATE_IP/g" /etc/scylla/scylla.yaml
sed  -i -e "s/endpoint_snitch: SimpleSnitch/endpoint_snitch: Ec2Snitch/g" /etc/scylla/scylla.yaml

# Adding private IP to /etc/hosts for JMX
echo "$PRIVATE_IP $(hostname)" >> /etc/hosts

systemctl start scylla-server
systemctl start scylla-jmx
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