agent/app/agent.go
func (agent *ecsAgent) printECSAttributes() int {
	capabilities, err := agent.capabilities()
	if err != nil {
		seelog.Warnf("Unable to obtain capabilities: %v", err)
		return exitcodes.ExitError
	}
	for _, attr := range capabilities {
		fmt.Printf("%s\t%s\n", aws.StringValue(attr.Name), aws.StringValue(attr.Value))
	}
	return exitcodes.ExitSuccess
}
func (agent *ecsAgent) printECSAttributes() int {
	capabilities, err := agent.capabilities()
	if err != nil {
		seelog.Warnf("Unable to obtain capabilities: %v", err)
		return exitcodes.ExitError
	}
	for _, attr := range capabilities {
		fmt.Printf("%s\t%s\n", aws.StringValue(attr.Name), aws.StringValue(attr.Value))
	}
	return exitcodes.ExitSuccess
}
// printECSAttributes prints the Agent's ECS Attributes based on its
// environment