code: func (agent *ecsAgent) getContainerInstanceTagsFromEC2API() ([]*ecs.Tag, error) {
  	// Get instance ID from ec2 metadata client.
  	instanceID, err := agent.ec2MetadataClient.InstanceID()
  	if err != nil {
  		return nil, err
  	}
  
  	return agent.ec2Client.DescribeECSTagsForInstance(instanceID)
  }
docs: // getContainerInstanceTagsFromEC2API will retrieve the tags of this instance remotely.