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Unit tests: cadvisor swap stats

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Signed-off-by: Itamar Holder <iholder@redhat.com>
This commit is contained in:
Itamar Holder 2023-06-27 13:49:32 +03:00
parent c74ee8045d
commit 053d7ac61f
2 changed files with 27 additions and 1 deletions
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8
pkg/kubelet/stats/cadvisor_stats_provider_test.go
View File

@ -294,11 +294,13 @@ func TestCadvisorListPodStats(t *testing.T) {
assert.EqualValues(t, testTime(creationTime, seedPod0Container0).Unix(), con.StartTime.Time.Unix())
checkCPUStats(t, "Pod0Container0", seedPod0Container0, con.CPU)
checkMemoryStats(t, "Pod0Conainer0", seedPod0Container0, infos["/pod0-c0"], con.Memory)
checkSwapStats(t, "Pod0Conainer0", seedPod0Container0, infos["/pod0-c0"], con.Swap)
con = indexCon[cName01]
assert.EqualValues(t, testTime(creationTime, seedPod0Container1).Unix(), con.StartTime.Time.Unix())
checkCPUStats(t, "Pod0Container1", seedPod0Container1, con.CPU)
checkMemoryStats(t, "Pod0Container1", seedPod0Container1, infos["/pod0-c1"], con.Memory)
checkSwapStats(t, "Pod0Container1", seedPod0Container1, infos["/pod0-c1"], con.Swap)
assert.EqualValues(t, p0Time.Unix(), ps.StartTime.Time.Unix())
checkNetworkStats(t, "Pod0", seedPod0Infra, ps.Network)
@ -309,6 +311,9 @@ func TestCadvisorListPodStats(t *testing.T) {
if ps.Memory != nil {
checkMemoryStats(t, "Pod0", seedPod0Infra, infos["/pod0-i"], ps.Memory)
}
if ps.Swap != nil {
checkSwapStats(t, "Pod0", seedPod0Infra, infos["/pod0-i"], ps.Swap)
}
// Validate Pod1 Results
ps, found = indexPods[prf1]
@ -318,6 +323,7 @@ func TestCadvisorListPodStats(t *testing.T) {
assert.Equal(t, cName10, con.Name)
checkCPUStats(t, "Pod1Container0", seedPod1Container, con.CPU)
checkMemoryStats(t, "Pod1Container0", seedPod1Container, infos["/pod1-c0"], con.Memory)
checkSwapStats(t, "Pod1Container0", seedPod1Container, infos["/pod1-c0"], con.Swap)
checkNetworkStats(t, "Pod1", seedPod1Infra, ps.Network)
// Validate Pod2 Results
@ -328,6 +334,7 @@ func TestCadvisorListPodStats(t *testing.T) {
assert.Equal(t, cName20, con.Name)
checkCPUStats(t, "Pod2Container0", seedPod2Container, con.CPU)
checkMemoryStats(t, "Pod2Container0", seedPod2Container, infos["/pod2-c0"], con.Memory)
checkSwapStats(t, "Pod2Container0", seedPod2Container, infos["/pod2-c0"], con.Swap)
checkNetworkStats(t, "Pod2", seedPod2Infra, ps.Network)
// Validate Pod3 Results
@ -344,6 +351,7 @@ func TestCadvisorListPodStats(t *testing.T) {
assert.Equal(t, cName31, con.Name)
checkCPUStats(t, "Pod3Container1", seedPod3Container1, con.CPU)
checkMemoryStats(t, "Pod3Container1", seedPod3Container1, infos["/pod3-c1"], con.Memory)
checkSwapStats(t, "Pod3Container1", seedPod3Container1, infos["/pod3-c1"], con.Swap)
}
func TestCadvisorListPodCPUAndMemoryStats(t *testing.T) {

20
pkg/kubelet/stats/provider_test.go
View File

@ -63,6 +63,7 @@ const (
offsetFsBaseUsageBytes
offsetFsInodeUsage
offsetAcceleratorDutyCycle
offsetMemSwapUsageBytes
)
var (
@ -101,6 +102,7 @@ func TestGetCgroupStats(t *testing.T) {
checkCPUStats(t, "", containerInfoSeed, cs.CPU)
checkMemoryStats(t, "", containerInfoSeed, containerInfo, cs.Memory)
checkNetworkStats(t, "", containerInfoSeed, ns)
checkSwapStats(t, "", containerInfoSeed, containerInfo, cs.Swap)
assert.Equal(cgroupName, cs.Name)
assert.Equal(metav1.NewTime(containerInfo.Spec.CreationTime), cs.StartTime)
@ -497,7 +499,8 @@ func getTestContainerInfo(seed int, podName string, podNamespace string, contain
HasNetwork: true,
Labels: labels,
Memory: cadvisorapiv2.MemorySpec{
Limit: unlimitedMemory,
Limit: unlimitedMemory,
SwapLimit: unlimitedMemory,
},
CustomMetrics: generateCustomMetricSpec(),
}
@ -518,6 +521,7 @@ func getTestContainerInfo(seed int, podName string, podNamespace string, contain
Pgfault: uint64(seed + offsetMemPageFaults),
Pgmajfault: uint64(seed + offsetMemMajorPageFaults),
},
Swap: uint64(seed + offsetMemSwapUsageBytes),
},
Network: &cadvisorapiv2.NetworkStats{
Interfaces: []cadvisorapiv1.InterfaceStats{{
@ -696,6 +700,20 @@ func checkMemoryStats(t *testing.T, label string, seed int, info cadvisorapiv2.C
}
}
func checkSwapStats(t *testing.T, label string, seed int, info cadvisorapiv2.ContainerInfo, stats *statsapi.SwapStats) {
label += ".Swap"
assert.EqualValues(t, testTime(timestamp, seed).Unix(), stats.Time.Time.Unix(), label+".Time")
assert.EqualValues(t, seed+offsetMemSwapUsageBytes, *stats.SwapUsageBytes, label+".SwapUsageBytes")
if !info.Spec.HasMemory || isMemoryUnlimited(info.Spec.Memory.SwapLimit) {
assert.Nil(t, stats.SwapAvailableBytes, label+".SwapAvailableBytes")
} else {
expected := info.Spec.Memory.Limit - *stats.SwapUsageBytes
assert.EqualValues(t, expected, *stats.SwapAvailableBytes, label+".AvailableBytes")
}
}
func checkFsStats(t *testing.T, label string, seed int, stats *statsapi.FsStats) {
assert.EqualValues(t, seed+offsetFsCapacity, *stats.CapacityBytes, label+".CapacityBytes")
assert.EqualValues(t, seed+offsetFsAvailable, *stats.AvailableBytes, label+".AvailableBytes")