AWS - Bash - Get tasks instances

awsecs

#!/bin/bash

#chmod +x /usr/bin/awsecs
#Usage: awsecs <service-name> <profile name>
#Output: list of ec2 instance id

SERVICE="$1"
shift
PROFILE="$1"
shift

CLUSTER="<<<<<<YOUR CLUSTER NAME>>>>>>"

tasks_arn=$(aws ecs list-tasks \
                --cluster "${CLUSTER}" \
                --service-name "${SERVICE}" \
                --profile "${PROFILE}" \
                | jq -r -c ".taskArns | join(\" \")"\
           )

container_instances_arn=$(aws ecs describe-tasks \
				--cluster "${CLUSTER}" \
			    --tasks ${tasks_arn} \
				--profile "${PROFILE}" | jq -r -c ".tasks[].containerInstanceArn" \
 	)

aws ecs describe-container-instances \
    --cluster "${CLUSTER}" \
    --container-instance ${container_instances_arn} \
    --profile "${PROFILE}" \
| jq -r -c ".containerInstances[].ec2InstanceId"