def tag_instances_on_cluster(cluster_name, project='cwc'):
"""Adds project tag to untagged instances in a given cluster.
Parameters
----------
cluster_name : str
The name of the AWS ECS cluster in which running instances
should be tagged.
project : str
The name of the project to tag instances with.
"""
# Get the relevent instance ids from the ecs cluster
ecs = boto3.client('ecs')
task_arns = ecs.list_tasks(cluster=cluster_name)['taskArns']
if not task_arns:
return
tasks = ecs.describe_tasks(cluster=cluster_name, tasks=task_arns)['tasks']
container_instances = ecs.describe_container_instances(
cluster=cluster_name,
containerInstances=[task['containerInstanceArn']
for task in tasks])['containerInstances']
ec2_instance_ids = [ci['ec2InstanceId'] for ci in container_instances]
# Instantiate each instance to tag as a resource and create project tag
for instance_id in ec2_instance_ids:
tag_instance(instance_id, project=project)
return
def tag_instances_on_cluster(cluster_name, project='cwc'):
"""Adds project tag to untagged instances in a given cluster.
Parameters
----------
cluster_name : str
The name of the AWS ECS cluster in which running instances
should be tagged.
project : str
The name of the project to tag instances with.
"""
# Get the relevant instance ids from the ecs cluster
ecs = boto3.client('ecs')
task_arns = ecs.list_tasks(cluster=cluster_name)['taskArns']
if not task_arns:
return
tasks = ecs.describe_tasks(cluster=cluster_name, tasks=task_arns)['tasks']
container_instances = ecs.describe_container_instances(
cluster=cluster_name,
containerInstances=[task['containerInstanceArn'] for task in tasks]
)['containerInstances']
ec2_instance_ids = [ci['ec2InstanceId'] for ci in container_instances]
# Instantiate each instance to tag as a resource and create project tag
for instance_id in ec2_instance_ids:
tag_instance(instance_id, project=project)
return