Golang api.ContainerStats類代碼示例

// cmeFactory generates a complete ContainerMetricElement with fuzzed data.
// CMEs created by cmeFactory contain partially fuzzed stats, aside from hardcoded values for Memory usage.
// The timestamp of the CME is rouded to the current minute and offset by a random number of hours.
func cmeFactory() *cache.ContainerMetricElement {
	f := fuzz.New().NilChance(0).NumElements(1, 1)
	containerSpec := source_api.ContainerSpec{
		ContainerSpec: cadvisor.ContainerSpec{
			CreationTime:  time.Now(),
			HasCpu:        true,
			HasMemory:     true,
			HasNetwork:    true,
			HasFilesystem: true,
			HasDiskIo:     true,
		},
	}
	containerSpec.Cpu.Limit = 1024
	containerSpec.Memory.Limit = 10000000

	// Create a fuzzed ContainerStats struct
	var containerStats source_api.ContainerStats
	f.Fuzz(&containerStats)

	// Standardize timestamp to the current minute plus a random number of hours ([1, 10])
	now_time := time.Now().Round(time.Minute)
	new_time := now_time
	for new_time == now_time {
		new_time = now_time.Add(time.Duration(rand.Intn(10)) * 5 * time.Minute)
	}
	containerStats.Timestamp = new_time
	containerSpec.CreationTime = new_time.Add(-time.Hour)

	// Standardize memory usage and limit to test aggregation
	containerStats.Memory.Usage = uint64(5000)
	containerStats.Memory.WorkingSet = uint64(602)

	// Standardize the device name, usage and limit
	new_fs := cadvisor.FsStats{}
	f.Fuzz(&new_fs)
	new_fs.Device = "/dev/device1"
	new_fs.Usage = 50000
	new_fs.Limit = 100000
	containerStats.Filesystem = []cadvisor.FsStats{new_fs}

	return &cache.ContainerMetricElement{
		Spec:  &containerSpec,
		Stats: &containerStats,
	}
}

// emptyCMEFactory generates an empty ContainerMetricElement.
func emptyCMEFactory() *cache.ContainerMetricElement {
	f := fuzz.New().NilChance(0).NumElements(1, 1)
	containerSpec := source_api.ContainerSpec{
		ContainerSpec: cadvisor.ContainerSpec{
			CreationTime:  time.Now(),
			HasCpu:        false,
			HasMemory:     false,
			HasNetwork:    false,
			HasFilesystem: false,
			HasDiskIo:     false,
		},
	}
	var containerStats source_api.ContainerStats
	f.Fuzz(&containerStats)
	containerStats.Timestamp = time.Now()

	return &cache.ContainerMetricElement{
		Spec:  &containerSpec,
		Stats: &containerStats,
	}
}