cloud-init-salt-codedeploy.yml

#cloud-config
# Set hostname to match the instance ID, rather than the
# automatic hostname based on the IP address.
# In these three commands _GRP_ is a placeholder and
# should be changed to your Auto Scaling Group name.
bootcmd:
  # Dynamically fetch region for EC2 in aws
  - "region=$(curl http://169.254.169.254/latest/meta-data/placement/availability-zone | sed 's/.$//')"
  - "sudo yum -y install ruby wget jq"
  # Install codedeploy https://aws.amazon.com/codedeploy/
  - "sudo cd /home/ec2-user"
  - "sudo wget https://aws-codedeploy-${region}.s3.amazonaws.com/latest/install"
  - "sudo chmod +x ./install"
  - "sudo ./install auto"
  - "sudo service codedeploy-agent start"
  # BOX_NAME fetches the EC2 tag for "Name" - names used to register with salt master
  - "INSTANCE_ID=$(curl http://169.254.169.254/latest/meta-data/instance-id)"
  - "BOX_NAME=$(aws ec2 describe-tags --region $region --filters \"Name=resource-id,Values=$INSTANCE_ID\" | jq '.Tags[] | select(.Key == \"Name\") | .Value' | sed s/\\\"//g)"
  # Change hostnames on VM
  - "cloud-init-per instance my_set_hostname sh -xc \"echo $BOX_NAME-$INSTANCE_ID > /etc/hostname; hostname -F /etc/hostname\""
  - "cloud-init-per instance my_etc_hosts sh -xc \"sed -i -e '/^127.0.0.1/d' /etc/hosts; sed -i -e '/^::1/d' /etc/hosts; echo 127.0.0.1 $BOX_NAME-$INSTANCE_ID >> /etc/hosts\""
  # Install and bootstrap salt-minion to saltmaster
  - "SALT_MASTER_IP={IP-TO-SALT-MASTER-HERE}"
  - "mkdir -p /etc/salt/; $BOX_NAME-$INSTANCE_ID > /etc/salt/minion_id"
  - "sudo curl -o /tmp/bootstrap-salt.sh -L https://bootstrap.saltstack.com"
  - "sudo sh /tmp/bootstrap-salt.sh -i $BOX_NAME-$INSTANCE_ID -A $SALT_MASTER_IP"
  - "sudo rm -f /tmp/bootstrap-salt.sh"
# Preserve the hostname file since we've had to manually edit it
preserve_hostname: true
# Don't let cloud-init update the hosts file since we have edited it manually
manage_etc_hosts: false