Delete cloud formation and services running in ECS based on a component name

aws_cleanup_component.sh

# Deletes a cloudformation stack
clean_up_cloudformation() {
    component_name="$1"
    aws cloudformation delete-stack \
        --region eu-west-1 \
        --stack-name "${component_name}"
}
# Checks if the given cloudformation stack is deleted
check_cloudformation(){ 
    component_name="$1"
    watch -be aws cloudformation list-stack-resources \
        --region eu-west-1 \
        --stack-name "${component_name}" \
        --query 'StackResourceSummaries[].{s:ResourceStatus,a:ResourceType,b:PhysicalResourceId}' \
        --output text
}

# Deletes a service from ECS
clean_up_service() {
    component_name="$1"
    cluster="$2"

    aws ecs update-service \
        --region eu-west-1 \
        --cluster "${cluster}" \
        --desired-count 0 \
        --service "${component_name}"

    aws ecs delete-service \
        --region eu-west-1 \
        --cluster "${cluster}" \
        --service "${component_name}"
}

# List and then deregister the task definitions
task_definitions_for_family(){
    family=$1
    aws ecs list-task-definitions \
        --region eu-west-1 \
        --status ACTIVE \
        --family-prefix=${family} | \
            jq -r '.taskDefinitionArns[]' 
}
deregister_task_definitions_for_family(){
    for task_def in $(task_definitions_for_family $1); do 
        aws ecs deregister-task-definition \
            --region eu-west-1 \
            --task-definition "${task_def}" | \
                jq -r '"\( .taskDefinition.taskDefinitionArn ) \( .taskDefinition.status )"'
    done
}