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Eviction manager observes and acts on disk pressure

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This commit is contained in:
derekwaynecarr
2016-07-22 15:23:09 -04:00
parent c669778333
commit c3324b88a0
9 changed files with 750 additions and 50 deletions
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38
pkg/kubelet/kubelet_node_status_test.go
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@@ -133,6 +133,14 @@ func TestUpdateNewNodeStatus(t *testing.T) {
LastHeartbeatTime: unversioned.Time{},
LastTransitionTime: unversioned.Time{},
},
{
Type: api.NodeDiskPressure,
Status: api.ConditionFalse,
Reason: "KubeletHasNoDiskPressure",
Message: fmt.Sprintf("kubelet has no disk pressure"),
LastHeartbeatTime: unversioned.Time{},
LastTransitionTime: unversioned.Time{},
},
{
Type: api.NodeReady,
Status: api.ConditionTrue,
@@ -316,6 +324,14 @@ func TestUpdateExistingNodeStatus(t *testing.T) {
LastHeartbeatTime: unversioned.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
LastTransitionTime: unversioned.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
Type: api.NodeDiskPressure,
Status: api.ConditionFalse,
Reason: "KubeletHasSufficientDisk",
Message: fmt.Sprintf("kubelet has sufficient disk space available"),
LastHeartbeatTime: unversioned.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
LastTransitionTime: unversioned.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
Type: api.NodeReady,
Status: api.ConditionTrue,
@@ -380,6 +396,14 @@ func TestUpdateExistingNodeStatus(t *testing.T) {
LastHeartbeatTime: unversioned.Time{},
LastTransitionTime: unversioned.Time{},
},
{
Type: api.NodeDiskPressure,
Status: api.ConditionFalse,
Reason: "KubeletHasSufficientDisk",
Message: fmt.Sprintf("kubelet has sufficient disk space available"),
LastHeartbeatTime: unversioned.Time{},
LastTransitionTime: unversioned.Time{},
},
{
Type: api.NodeReady,
Status: api.ConditionTrue,
@@ -489,7 +513,6 @@ func TestUpdateExistingNodeOutOfDiskStatusWithTransitionFrequency(t *testing.T)
LastTransitionTime: unversioned.NewTime(clock.Now()),
},
{
Type: api.NodeOutOfDisk,
Status: api.ConditionTrue,
Reason: "KubeletOutOfDisk",
@@ -509,8 +532,13 @@ func TestUpdateExistingNodeOutOfDiskStatusWithTransitionFrequency(t *testing.T)
NumCores: 2,
MemoryCapacity: 1024,
}
fsInfo := cadvisorapiv2.FsInfo{
Device: "123",
}
mockCadvisor.On("Start").Return(nil)
mockCadvisor.On("MachineInfo").Return(machineInfo, nil)
mockCadvisor.On("ImagesFsInfo").Return(fsInfo, nil)
mockCadvisor.On("RootFsInfo").Return(fsInfo, nil)
versionInfo := &cadvisorapi.VersionInfo{
KernelVersion: "3.16.0-0.bpo.4-amd64",
ContainerOsVersion: "Debian GNU/Linux 7 (wheezy)",
@@ -671,6 +699,14 @@ func TestUpdateNodeStatusWithRuntimeStateError(t *testing.T) {
LastHeartbeatTime: unversioned.Time{},
LastTransitionTime: unversioned.Time{},
},
{
Type: api.NodeDiskPressure,
Status: api.ConditionFalse,
Reason: "KubeletHasNoDiskPressure",
Message: fmt.Sprintf("kubelet has no disk pressure"),
LastHeartbeatTime: unversioned.Time{},
LastTransitionTime: unversioned.Time{},
},
{}, //placeholder
},
NodeInfo: api.NodeSystemInfo{