This file can be used to create RabbitMQ server using docker on AWS EC2.

rabbitmq-aws-userdata.sh

#!/bin/bash
# OS: AmazonLinux
# Purpose: Rabbitmq Cluster Setup on AWS EC2 in docker
# Maintainer: cloudgeeks.ca
# https://www.rabbitmq.com/cluster-formation.html#peer-discovery-classic-config
# https://www.rabbitmq.com/cluster-formation.html#peer-discovery-aws
# https://hub.docker.com/_/rabbitmq
# https://github.com/docker-library/rabbitmq/issues/61
# https://www.rabbitmq.com/clustering.html
# Note: Make sure to TAG the EC2 Auto-Scaling Gourp EC2 with --->           service rabbitmq             <--- cluster_formation.aws.instance_tags.service = rabbitmq

# Docker Installation
yum install -y docker
systemctl start docker
systemctl enable docker

# NETCAT installation
yum install -y nc

# USERADD
useradd rabbitmq
mkdir -p /root/rabbitmq

#CREDENTIALS
RABBIT_USERNAME="test"
RABBIT_PASSWORD="test"

# variables section
TOKEN=`curl -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600"`
REGION=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document -H "X-aws-ec2-metadata-token: $TOKEN" | grep -oP '\"region\"[[:space:]]*:[[:space:]]*\"\K[^\"]+')
export AWS_DEFAULT_REGION=$REGION
IPV4=$(curl http://169.254.169.254/latest/meta-data/local-ipv4 -H "X-aws-ec2-metadata-token: $TOKEN")

# Rabbitmq Configurations
echo "
cluster_formation.peer_discovery_backend = aws
cluster_formation.aws.region = "$REGION"
cluster_formation.aws.use_autoscaling_group = true
cluster_formation.discovery_retry_limit = 10
cluster_formation.discovery_retry_interval = 10000
cluster_formation.aws.instance_tags.service = rabbitmq
cluster_formation.aws.use_private_ip = false
cluster_name = ilayda_rabbitmq
log.file.level = debug
vm_memory_high_watermark.relative = 0.8
" > /root/rabbitmq/rabbitmq.conf



echo "
NODENAME=rabbit@"$HOSTNAME"
NODE_IP_ADDRESS="$IPV4"
USE_LONGNAME=true
" > /root/rabbitmq/rabbitmq-env.conf


cat > /root/rabbitmq/enabled_plugins <<'EOF'
[rabbitmq_management,rabbitmq_peer_discovery_aws,rabbitmq_federation,rabbitmq_prometheus].
EOF



chown -R rabbitmq:rabbitmq rabbitmq
chmod 777 -R /root/rabbitmq

docker run  --restart unless-stopped \
            --hostname $HOSTNAME \
            --volume /root/rabbitmq:/etc/rabbitmq \
            --name rabbit \
            --publish 15672:15672 \
            --publish 5672:5672 \
            --network="host" \
            -e RABBITMQ_NODENAME=rabbit@"$HOSTNAME" \
            -e NODE_IP_ADDRESS="$IPV4" \
            -e RABBITMQ_USE_LONGNAME=true \
            -e RABBITMQ_DEFAULT_USER=${RABBIT_USERNAME} \
            -e RABBITMQ_DEFAULT_PASS=${RABBIT_PASSWORD} \
            --log-opt max-size=1m \
            --log-opt max-file=1 \
            rabbitmq:3-management


while ! nc -vz 127.0.0.1 5672;do echo "Waiting for port" && sleep 5;done

sleep 30



sleep 30
# https://www.rabbitmq.com/vhosts.html
docker exec -it rabbit bash <<'EOF'
rabbitmqctl set_policy -p ilayda_rabbitmq ha-fed ".*" '{"federation-upstream-set":"all", "ha-sync-mode":"automatic","ha-mode":"all"}' --priority 1 --apply-to queues
EOF


#END