toolsgarbagecollector

var err error
var list []types.ImageSummary

err = ImageUnreferencedRemove()
if err != nil {
	panic(err)
}

var dockerSys = iotmakerdocker.DockerSystem{}
err = dockerSys.Init()
if err != nil {
	panic(err)
}

list, err = dockerSys.ImageList()
if err != nil {
	panic(err)
}
for _, image := range list {
	if len(image.RepoTags) > 0 {
		if image.RepoTags[0] == "<none>:<none>" {
			fmt.Println("test fail")
			return
		}
	}
}

Output:

var err error
var volumes []types.Volume
var counterUnreferencedVolumes = 0

var dockerSys = iotmakerdocker.DockerSystem{}
err = dockerSys.Init()
if err != nil {
	panic(err)
}

volumes, err = dockerSys.VolumeList()
if err != nil {
	panic(err)
}

for _, volumeData := range volumes {
	if volumeData.UsageData == nil || volumeData.UsageData.RefCount == -1 {
		counterUnreferencedVolumes += 1
	}
}

if counterUnreferencedVolumes == 0 {
	return
}

err = VolumesUnreferencedRemove()
if err != nil {
	panic(err)
}

counterUnreferencedVolumes = 0
volumes, err = dockerSys.VolumeList()
if err != nil {
	panic(err)
}

for _, volumeData := range volumes {
	if volumeData.UsageData == nil || volumeData.UsageData.RefCount == -1 {
		counterUnreferencedVolumes += 1
	}
}

if counterUnreferencedVolumes != 0 {
	fmt.Println("test fail")
}

Output: