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Klaudiusz Dembler 2018-02-09 10:05:13 +01:00 committed by Klaudiusz Dembler
parent 3991ed5d2f
commit 0fbd19bc06
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GPG Key ID: 14B9FB649EE34C35
3 changed files with 14 additions and 17 deletions
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1
pkg/kubelet/cm/cpumanager/cpu_manager.go
View File

@ -33,7 +33,6 @@ import (
"k8s.io/kubernetes/pkg/kubelet/cm/cpuset"
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
"k8s.io/kubernetes/pkg/kubelet/status"
"path"
)
// ActivePodsFunc is a function that returns a list of pods to reconcile.

10
pkg/kubelet/cm/cpumanager/state/state_checkpoint.go
View File

@ -27,8 +27,8 @@ import (
utilstore "k8s.io/kubernetes/pkg/kubelet/util/store"
)
// CPUManagerCheckpointName is the name of checkpoint file
const CPUManagerCheckpointName = "cpu_manager_state"
// cpuManagerCheckpointName is the name of checkpoint file
const cpuManagerCheckpointName = "cpu_manager_state"
var _ State = &stateCheckpoint{}
@ -54,7 +54,7 @@ func NewCheckpointState(stateDir string, policyName string) (State, error) {
if err := stateCheckpoint.restoreState(); err != nil {
return nil, fmt.Errorf("could not restore state from checkpoint: %v\n"+
"Please drain this node and delete the CPU manager checkpoint file %q before restarting Kubelet.",
err, path.Join(stateDir, CPUManagerCheckpointName))
err, path.Join(stateDir, cpuManagerCheckpointName))
}
return stateCheckpoint, nil
@ -72,7 +72,7 @@ func (sc *stateCheckpoint) restoreState() error {
tmpContainerCPUSet := cpuset.NewCPUSet()
checkpoint := NewCPUManagerCheckpoint()
if err = sc.checkpointManager.GetCheckpoint(CPUManagerCheckpointName, checkpoint); err != nil {
if err = sc.checkpointManager.GetCheckpoint(cpuManagerCheckpointName, checkpoint); err != nil {
// TODO: change to errors.ErrCheckpointNotFound may be required after issue in checkpointing PR is resolved
if err == utilstore.ErrKeyNotFound {
sc.storeState()
@ -115,7 +115,7 @@ func (sc *stateCheckpoint) storeState() {
checkpoint.Entries[containerID] = cset.String()
}
err := sc.checkpointManager.CreateCheckpoint(CPUManagerCheckpointName, checkpoint)
err := sc.checkpointManager.CreateCheckpoint(cpuManagerCheckpointName, checkpoint)
if err != nil {
panic("[cpumanager] could not save checkpoint: " + err.Error())

20
pkg/kubelet/cm/cpumanager/state/state_checkpoint_test.go
View File

@ -146,15 +146,12 @@ func TestCheckpointStateRestore(t *testing.T) {
for _, tc := range testCases {
t.Run(tc.description, func(t *testing.T) {
// ensure there is no previous checkpoint
cpm.RemoveCheckpoint(CPUManagerCheckpointName)
cpm.RemoveCheckpoint(cpuManagerCheckpointName)
// prepare checkpoint for testing
var checkpoint *testutil.MockCheckpoint = nil
if strings.TrimSpace(tc.checkpointContent) != "" {
checkpoint = &testutil.MockCheckpoint{Content: tc.checkpointContent}
}
if checkpoint != nil {
if err := cpm.CreateCheckpoint(CPUManagerCheckpointName, checkpoint); err != nil {
checkpoint := &testutil.MockCheckpoint{Content: tc.checkpointContent}
if err := cpm.CreateCheckpoint(cpuManagerCheckpointName, checkpoint); err != nil {
t.Fatalf("could not create testing checkpoint: %v", err)
}
}
@ -204,16 +201,18 @@ func TestCheckpointStateStore(t *testing.T) {
for _, tc := range testCases {
t.Run(tc.description, func(t *testing.T) {
// ensure there is no previous checkpoint
cpm.RemoveCheckpoint(CPUManagerCheckpointName)
cpm.RemoveCheckpoint(cpuManagerCheckpointName)
cs1, err := NewCheckpointState(testingDir, "none")
if err != nil {
t.Fatalf("could not create testing checkpointState instance: %v", err)
}
// set values of cs1 instance so they are stored in checkpoint and can be read by cs2
cs1.SetDefaultCPUSet(tc.expectedState.defaultCPUSet)
cs1.SetCPUAssignments(tc.expectedState.assignments)
// restore checkpoint with previously stored values
cs2, err := NewCheckpointState(testingDir, "none")
if err != nil {
t.Fatalf("could not create testing checkpointState instance: %v", err)
@ -262,7 +261,7 @@ func TestCheckpointStateHelpers(t *testing.T) {
for _, tc := range testCases {
t.Run(tc.description, func(t *testing.T) {
// ensure there is no previous checkpoint
cpm.RemoveCheckpoint(CPUManagerCheckpointName)
cpm.RemoveCheckpoint(cpuManagerCheckpointName)
state, err := NewCheckpointState(testingDir, "none")
if err != nil {
@ -277,11 +276,10 @@ func TestCheckpointStateHelpers(t *testing.T) {
}
state.Delete(container)
if cpus := state.GetCPUSetOrDefault(container); !cpus.Equals(tc.defaultCPUset) {
if _, ok := state.GetCPUSet(container); ok {
t.Fatal("deleted container still existing in state")
}
}
})
}
}
@ -316,7 +314,7 @@ func TestCheckpointStateClear(t *testing.T) {
t.Fatal("cleared state with non-empty default cpu set")
}
for container := range tc.containers {
if !cpuset.NewCPUSet().Equals(state.GetCPUSetOrDefault(container)) {
if _, ok := state.GetCPUSet(container); ok {
t.Fatalf("container %q with non-default cpu set in cleared state", container)
}
}