Generate ssh config file for ECS clusters

gistfile1.txt

#/bin/bash
#set -x
#set -o

CLUSTER_NAME=${1:-"dev1"}
BASTION_NAME=${2:-"ha-bastion"}
PROFILE_NAME=${3:-"HA"}
CONTAINER_INSTANCE=$(aws --profile="${PROFILE_NAME}" ecs list-container-instances --cluster "${CLUSTER_NAME}" --query [containerInstanceArns][0][*] --output text | xargs -n1  -I{} echo {} | cut -d '/' -f 2)


if [ "$#" -ne 3 ];
then
   echo "generate-ssh-config <cluster-name> <bastion-name> <profile>" 
   exit 1
fi
getInternalip()
{
	aws --profile="${PROFILE_NAME}" ec2 describe-instances --instance-ids $1 --query 'Reservations[*].Instances[*].NetworkInterfaces[*].PrivateIpAddresses[0].PrivateIpAddress' --output text
}
CONTAINER_INSTANCE_IDS=();

#creates an array with container instance ids of given cluster
for CI in $CONTAINER_INSTANCE; do
	CONTAINER_INSTANCE_IDS+=(`aws --profile="${PROFILE_NAME}" ecs describe-container-instances --cluster "${CLUSTER_NAME}" --container-instances $CI --query 'containerInstances[0].ec2InstanceId' --output text`)
done


CONTAINER_INSTANCE_IPS=()
for instance_id in ${CONTAINER_INSTANCE_IDS[*]}; do
	CONTAINER_INSTANCE_IPS+=(`getInternalip $instance_id`)
done


id=0
for ip in ${CONTAINER_INSTANCE_IPS[*]}; do
    ((id++))
cat  << EOF
Host ${PROFILE_NAME}-${CLUSTER_NAME}-${id}
	User ec2-user
	HostName ${ip}
	ProxyCommand ssh -A ${BASTION_NAME} nc %h %p

EOF
done