justintimperio / dockerstats

Collect Docker Performance Stats in Go

Docker-Stats-Go

Package docker-stats-go provides the ability to get currently running Docker container statistics, including memory and CPU usage.

To get the statistics of running Docker containers, you can use the Current() function:

stats, err := dsg.Current()
if err != nil {
	panic(err)
}

for _, s := range stats {
	fmt.Println(s.Container) // 9f2656020722
	fmt.Println(s.Memory) // {Raw=221.7 MiB / 7.787 GiB, Percent=2.78%}
	fmt.Println(s.CPU) // 99.79%
}

Alternatively, you can use the NewMonitor() function to receive a constant stream of Docker container stats, available on the Monitor's Stream channel:

m := dsg.NewMonitor()

for res := range m.Stream {
	if res.Error != nil {
		panic(err)
	}

	for _, s := range res.Stats {
		fmt.Println(s.Container) // 9f2656020722
	}
}