feat: use PreBind instead of Prebind in the scheduling framework

This commit is contained in:
draveness 2019-08-23 02:07:28 +08:00
parent 03f0934c80
commit af2e0428f6
8 changed files with 101 additions and 101 deletions

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@ -17,7 +17,7 @@ limitations under the License.
package multipoint package multipoint
import ( import (
"k8s.io/api/core/v1" v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime" "k8s.io/apimachinery/pkg/runtime"
framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1" framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
) )
@ -27,7 +27,7 @@ import (
type CommunicatingPlugin struct{} type CommunicatingPlugin struct{}
var _ = framework.ReservePlugin(CommunicatingPlugin{}) var _ = framework.ReservePlugin(CommunicatingPlugin{})
var _ = framework.PrebindPlugin(CommunicatingPlugin{}) var _ = framework.PreBindPlugin(CommunicatingPlugin{})
// Name is the name of the plug used in Registry and configurations. // Name is the name of the plug used in Registry and configurations.
const Name = "multipoint-communicating-plugin" const Name = "multipoint-communicating-plugin"
@ -50,8 +50,8 @@ func (mc CommunicatingPlugin) Reserve(pc *framework.PluginContext, pod *v1.Pod,
return nil return nil
} }
// Prebind is the functions invoked by the framework at "prebind" extension point. // PreBind is the functions invoked by the framework at "prebind" extension point.
func (mc CommunicatingPlugin) Prebind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status { func (mc CommunicatingPlugin) PreBind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
if pod == nil { if pod == nil {
return framework.NewStatus(framework.Error, "pod cannot be nil") return framework.NewStatus(framework.Error, "pod cannot be nil")
} }

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@ -19,27 +19,27 @@ package prebind
import ( import (
"fmt" "fmt"
"k8s.io/api/core/v1" v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime" "k8s.io/apimachinery/pkg/runtime"
framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1" framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
) )
// StatelessPrebindExample is an example of a simple plugin that has no state // StatelessPreBindExample is an example of a simple plugin that has no state
// and implements only one hook for prebind. // and implements only one hook for prebind.
type StatelessPrebindExample struct{} type StatelessPreBindExample struct{}
var _ = framework.PrebindPlugin(StatelessPrebindExample{}) var _ = framework.PreBindPlugin(StatelessPreBindExample{})
// Name is the name of the plugin used in Registry and configurations. // Name is the name of the plugin used in Registry and configurations.
const Name = "stateless-prebind-plugin-example" const Name = "stateless-prebind-plugin-example"
// Name returns name of the plugin. It is used in logs, etc. // Name returns name of the plugin. It is used in logs, etc.
func (sr StatelessPrebindExample) Name() string { func (sr StatelessPreBindExample) Name() string {
return Name return Name
} }
// Prebind is the functions invoked by the framework at "prebind" extension point. // PreBind is the functions invoked by the framework at "prebind" extension point.
func (sr StatelessPrebindExample) Prebind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status { func (sr StatelessPreBindExample) PreBind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
if pod == nil { if pod == nil {
return framework.NewStatus(framework.Error, fmt.Sprintf("pod cannot be nil")) return framework.NewStatus(framework.Error, fmt.Sprintf("pod cannot be nil"))
} }
@ -51,5 +51,5 @@ func (sr StatelessPrebindExample) Prebind(pc *framework.PluginContext, pod *v1.P
// New initializes a new plugin and returns it. // New initializes a new plugin and returns it.
func New(_ *runtime.Unknown, _ framework.FrameworkHandle) (framework.Plugin, error) { func New(_ *runtime.Unknown, _ framework.FrameworkHandle) (framework.Plugin, error) {
return &StatelessPrebindExample{}, nil return &StatelessPreBindExample{}, nil
} }

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@ -20,7 +20,7 @@ import (
"fmt" "fmt"
"sync" "sync"
"k8s.io/api/core/v1" v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime" "k8s.io/apimachinery/pkg/runtime"
"k8s.io/klog" "k8s.io/klog"
framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1" framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
@ -36,7 +36,7 @@ type MultipointExample struct {
} }
var _ = framework.ReservePlugin(&MultipointExample{}) var _ = framework.ReservePlugin(&MultipointExample{})
var _ = framework.PrebindPlugin(&MultipointExample{}) var _ = framework.PreBindPlugin(&MultipointExample{})
// Name is the name of the plug used in Registry and configurations. // Name is the name of the plug used in Registry and configurations.
const Name = "multipoint-plugin-example" const Name = "multipoint-plugin-example"
@ -53,9 +53,9 @@ func (mp *MultipointExample) Reserve(pc *framework.PluginContext, pod *v1.Pod, n
return nil return nil
} }
// Prebind is the functions invoked by the framework at "prebind" extension point. // PreBind is the functions invoked by the framework at "prebind" extension point.
func (mp *MultipointExample) Prebind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status { func (mp *MultipointExample) PreBind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
// Prebind could be called concurrently for different pods. // PreBind could be called concurrently for different pods.
mp.mu.Lock() mp.mu.Lock()
defer mp.mu.Unlock() defer mp.mu.Unlock()
mp.numRuns++ mp.numRuns++

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@ -45,7 +45,7 @@ type framework struct {
scorePlugins []ScorePlugin scorePlugins []ScorePlugin
scoreWithNormalizePlugins []ScoreWithNormalizePlugin scoreWithNormalizePlugins []ScoreWithNormalizePlugin
reservePlugins []ReservePlugin reservePlugins []ReservePlugin
prebindPlugins []PrebindPlugin preBindPlugins []PreBindPlugin
bindPlugins []BindPlugin bindPlugins []BindPlugin
postBindPlugins []PostBindPlugin postBindPlugins []PostBindPlugin
unreservePlugins []UnreservePlugin unreservePlugins []UnreservePlugin
@ -186,11 +186,11 @@ func NewFramework(r Registry, plugins *config.Plugins, args []config.PluginConfi
if plugins.PreBind != nil { if plugins.PreBind != nil {
for _, pb := range plugins.PreBind.Enabled { for _, pb := range plugins.PreBind.Enabled {
if pg, ok := pluginsMap[pb.Name]; ok { if pg, ok := pluginsMap[pb.Name]; ok {
p, ok := pg.(PrebindPlugin) p, ok := pg.(PreBindPlugin)
if !ok { if !ok {
return nil, fmt.Errorf("plugin %q does not extend prebind plugin", pb.Name) return nil, fmt.Errorf("plugin %q does not extend prebind plugin", pb.Name)
} }
f.prebindPlugins = append(f.prebindPlugins, p) f.preBindPlugins = append(f.preBindPlugins, p)
} else { } else {
return nil, fmt.Errorf("prebind plugin %q does not exist", pb.Name) return nil, fmt.Errorf("prebind plugin %q does not exist", pb.Name)
} }
@ -425,13 +425,13 @@ func (f *framework) RunScorePlugins(pc *PluginContext, pod *v1.Pod, nodes []*v1.
return pluginToNodeScores, nil return pluginToNodeScores, nil
} }
// RunPrebindPlugins runs the set of configured prebind plugins. It returns a // RunPreBindPlugins runs the set of configured prebind plugins. It returns a
// failure (bool) if any of the plugins returns an error. It also returns an // failure (bool) if any of the plugins returns an error. It also returns an
// error containing the rejection message or the error occurred in the plugin. // error containing the rejection message or the error occurred in the plugin.
func (f *framework) RunPrebindPlugins( func (f *framework) RunPreBindPlugins(
pc *PluginContext, pod *v1.Pod, nodeName string) *Status { pc *PluginContext, pod *v1.Pod, nodeName string) *Status {
for _, pl := range f.prebindPlugins { for _, pl := range f.preBindPlugins {
status := pl.Prebind(pc, pod, nodeName) status := pl.PreBind(pc, pod, nodeName)
if !status.IsSuccess() { if !status.IsSuccess() {
if status.Code() == Unschedulable { if status.Code() == Unschedulable {
msg := fmt.Sprintf("rejected by %q at prebind: %v", pl.Name(), status.Message()) msg := fmt.Sprintf("rejected by %q at prebind: %v", pl.Name(), status.Message())

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@ -225,13 +225,13 @@ type ReservePlugin interface {
Reserve(pc *PluginContext, p *v1.Pod, nodeName string) *Status Reserve(pc *PluginContext, p *v1.Pod, nodeName string) *Status
} }
// PrebindPlugin is an interface that must be implemented by "prebind" plugins. // PreBindPlugin is an interface that must be implemented by "prebind" plugins.
// These plugins are called before a pod being scheduled. // These plugins are called before a pod being scheduled.
type PrebindPlugin interface { type PreBindPlugin interface {
Plugin Plugin
// Prebind is called before binding a pod. All prebind plugins must return // PreBind is called before binding a pod. All prebind plugins must return
// success or the pod will be rejected and won't be sent for binding. // success or the pod will be rejected and won't be sent for binding.
Prebind(pc *PluginContext, p *v1.Pod, nodeName string) *Status PreBind(pc *PluginContext, p *v1.Pod, nodeName string) *Status
} }
// PostBindPlugin is an interface that must be implemented by "postbind" plugins. // PostBindPlugin is an interface that must be implemented by "postbind" plugins.
@ -311,12 +311,12 @@ type Framework interface {
// a non-success status. // a non-success status.
RunScorePlugins(pc *PluginContext, pod *v1.Pod, nodes []*v1.Node) (PluginToNodeScores, *Status) RunScorePlugins(pc *PluginContext, pod *v1.Pod, nodes []*v1.Node) (PluginToNodeScores, *Status)
// RunPrebindPlugins runs the set of configured prebind plugins. It returns // RunPreBindPlugins runs the set of configured prebind plugins. It returns
// *Status and its code is set to non-success if any of the plugins returns // *Status and its code is set to non-success if any of the plugins returns
// anything but Success. If the Status code is "Unschedulable", it is // anything but Success. If the Status code is "Unschedulable", it is
// considered as a scheduling check failure, otherwise, it is considered as an // considered as a scheduling check failure, otherwise, it is considered as an
// internal error. In either case the pod is not going to be bound. // internal error. In either case the pod is not going to be bound.
RunPrebindPlugins(pc *PluginContext, pod *v1.Pod, nodeName string) *Status RunPreBindPlugins(pc *PluginContext, pod *v1.Pod, nodeName string) *Status
// RunPostBindPlugins runs the set of configured postbind plugins. // RunPostBindPlugins runs the set of configured postbind plugins.
RunPostBindPlugins(pc *PluginContext, pod *v1.Pod, nodeName string) RunPostBindPlugins(pc *PluginContext, pod *v1.Pod, nodeName string)

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@ -179,7 +179,7 @@ func (*fakeFramework) RunScorePlugins(pc *framework.PluginContext, pod *v1.Pod,
return nil, nil return nil, nil
} }
func (*fakeFramework) RunPrebindPlugins(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status { func (*fakeFramework) RunPreBindPlugins(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
return nil return nil
} }

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@ -632,10 +632,10 @@ func (sched *Scheduler) scheduleOne() {
} }
// Run "prebind" plugins. // Run "prebind" plugins.
prebindStatus := fwk.RunPrebindPlugins(pluginContext, assumedPod, scheduleResult.SuggestedHost) preBindStatus := fwk.RunPreBindPlugins(pluginContext, assumedPod, scheduleResult.SuggestedHost)
if !prebindStatus.IsSuccess() { if !preBindStatus.IsSuccess() {
var reason string var reason string
if prebindStatus.Code() == framework.Unschedulable { if preBindStatus.Code() == framework.Unschedulable {
metrics.PodScheduleFailures.Inc() metrics.PodScheduleFailures.Inc()
reason = v1.PodReasonUnschedulable reason = v1.PodReasonUnschedulable
} else { } else {
@ -647,7 +647,7 @@ func (sched *Scheduler) scheduleOne() {
} }
// trigger un-reserve plugins to clean up state associated with the reserved Pod // trigger un-reserve plugins to clean up state associated with the reserved Pod
fwk.RunUnreservePlugins(pluginContext, assumedPod, scheduleResult.SuggestedHost) fwk.RunUnreservePlugins(pluginContext, assumedPod, scheduleResult.SuggestedHost)
sched.recordSchedulingFailure(assumedPod, prebindStatus.AsError(), reason, prebindStatus.Message()) sched.recordSchedulingFailure(assumedPod, preBindStatus.AsError(), reason, preBindStatus.Message())
return return
} }

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@ -63,10 +63,10 @@ type PostFilterPlugin struct {
failPostFilter bool failPostFilter bool
} }
type PrebindPlugin struct { type PreBindPlugin struct {
numPrebindCalled int numPreBindCalled int
failPrebind bool failPreBind bool
rejectPrebind bool rejectPreBind bool
} }
type BindPlugin struct { type BindPlugin struct {
@ -107,7 +107,7 @@ const (
filterPluginName = "filter-plugin" filterPluginName = "filter-plugin"
postFilterPluginName = "postfilter-plugin" postFilterPluginName = "postfilter-plugin"
reservePluginName = "reserve-plugin" reservePluginName = "reserve-plugin"
prebindPluginName = "prebind-plugin" preBindPluginName = "prebind-plugin"
unreservePluginName = "unreserve-plugin" unreservePluginName = "unreserve-plugin"
postBindPluginName = "postbind-plugin" postBindPluginName = "postbind-plugin"
permitPluginName = "permit-plugin" permitPluginName = "permit-plugin"
@ -120,7 +120,7 @@ var _ = framework.ScorePlugin(&ScorePlugin{})
var _ = framework.ScoreWithNormalizePlugin(&ScoreWithNormalizePlugin{}) var _ = framework.ScoreWithNormalizePlugin(&ScoreWithNormalizePlugin{})
var _ = framework.ReservePlugin(&ReservePlugin{}) var _ = framework.ReservePlugin(&ReservePlugin{})
var _ = framework.PostFilterPlugin(&PostFilterPlugin{}) var _ = framework.PostFilterPlugin(&PostFilterPlugin{})
var _ = framework.PrebindPlugin(&PrebindPlugin{}) var _ = framework.PreBindPlugin(&PreBindPlugin{})
var _ = framework.BindPlugin(&BindPlugin{}) var _ = framework.BindPlugin(&BindPlugin{})
var _ = framework.PostBindPlugin(&PostBindPlugin{}) var _ = framework.PostBindPlugin(&PostBindPlugin{})
var _ = framework.UnreservePlugin(&UnreservePlugin{}) var _ = framework.UnreservePlugin(&UnreservePlugin{})
@ -249,27 +249,27 @@ func (pfp *PostFilterPlugin) reset() {
} }
// Name returns name of the plugin. // Name returns name of the plugin.
func (pp *PrebindPlugin) Name() string { func (pp *PreBindPlugin) Name() string {
return prebindPluginName return preBindPluginName
} }
// Prebind is a test function that returns (true, nil) or errors for testing. // PreBind is a test function that returns (true, nil) or errors for testing.
func (pp *PrebindPlugin) Prebind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status { func (pp *PreBindPlugin) PreBind(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
pp.numPrebindCalled++ pp.numPreBindCalled++
if pp.failPrebind { if pp.failPreBind {
return framework.NewStatus(framework.Error, fmt.Sprintf("injecting failure for pod %v", pod.Name)) return framework.NewStatus(framework.Error, fmt.Sprintf("injecting failure for pod %v", pod.Name))
} }
if pp.rejectPrebind { if pp.rejectPreBind {
return framework.NewStatus(framework.Unschedulable, fmt.Sprintf("reject pod %v", pod.Name)) return framework.NewStatus(framework.Unschedulable, fmt.Sprintf("reject pod %v", pod.Name))
} }
return nil return nil
} }
// reset used to reset prebind plugin. // reset used to reset prebind plugin.
func (pp *PrebindPlugin) reset() { func (pp *PreBindPlugin) reset() {
pp.numPrebindCalled = 0 pp.numPreBindCalled = 0
pp.failPrebind = false pp.failPreBind = false
pp.rejectPrebind = false pp.rejectPreBind = false
} }
const bindPluginAnnotation = "bindPluginName" const bindPluginAnnotation = "bindPluginName"
@ -667,15 +667,15 @@ func TestReservePlugin(t *testing.T) {
// TestPrebindPlugin tests invocation of prebind plugins. // TestPrebindPlugin tests invocation of prebind plugins.
func TestPrebindPlugin(t *testing.T) { func TestPrebindPlugin(t *testing.T) {
// Create a plugin registry for testing. Register only a prebind plugin. // Create a plugin registry for testing. Register only a prebind plugin.
prebindPlugin := &PrebindPlugin{} preBindPlugin := &PreBindPlugin{}
registry := framework.Registry{prebindPluginName: newPlugin(prebindPlugin)} registry := framework.Registry{preBindPluginName: newPlugin(preBindPlugin)}
// Setup initial prebind plugin for testing. // Setup initial prebind plugin for testing.
plugins := &schedulerconfig.Plugins{ plugins := &schedulerconfig.Plugins{
PreBind: &schedulerconfig.PluginSet{ PreBind: &schedulerconfig.PluginSet{
Enabled: []schedulerconfig.Plugin{ Enabled: []schedulerconfig.Plugin{
{ {
Name: prebindPluginName, Name: preBindPluginName,
}, },
}, },
}, },
@ -683,7 +683,7 @@ func TestPrebindPlugin(t *testing.T) {
// Set reserve prebind config for testing // Set reserve prebind config for testing
preBindPluginConfig := []schedulerconfig.PluginConfig{ preBindPluginConfig := []schedulerconfig.PluginConfig{
{ {
Name: prebindPluginName, Name: preBindPluginName,
Args: runtime.Unknown{}, Args: runtime.Unknown{},
}, },
} }
@ -723,8 +723,8 @@ func TestPrebindPlugin(t *testing.T) {
} }
for i, test := range tests { for i, test := range tests {
prebindPlugin.failPrebind = test.fail preBindPlugin.failPreBind = test.fail
prebindPlugin.rejectPrebind = test.reject preBindPlugin.rejectPreBind = test.reject
// Create a best effort pod. // Create a best effort pod.
pod, err := createPausePod(cs, pod, err := createPausePod(cs,
initPausePod(cs, &pausePodConfig{Name: "test-pod", Namespace: context.ns.Name})) initPausePod(cs, &pausePodConfig{Name: "test-pod", Namespace: context.ns.Name}))
@ -748,11 +748,11 @@ func TestPrebindPlugin(t *testing.T) {
} }
} }
if prebindPlugin.numPrebindCalled == 0 { if preBindPlugin.numPreBindCalled == 0 {
t.Errorf("Expected the prebind plugin to be called.") t.Errorf("Expected the prebind plugin to be called.")
} }
prebindPlugin.reset() preBindPlugin.reset()
cleanupPods(cs, t, []*v1.Pod{pod}) cleanupPods(cs, t, []*v1.Pod{pod})
} }
} }
@ -760,11 +760,11 @@ func TestPrebindPlugin(t *testing.T) {
// TestUnreservePlugin tests invocation of un-reserve plugin // TestUnreservePlugin tests invocation of un-reserve plugin
func TestUnreservePlugin(t *testing.T) { func TestUnreservePlugin(t *testing.T) {
// TODO: register more plugin which would trigger un-reserve plugin // TODO: register more plugin which would trigger un-reserve plugin
prebindPlugin := &PrebindPlugin{} preBindPlugin := &PreBindPlugin{}
unreservePlugin := &UnreservePlugin{name: unreservePluginName} unreservePlugin := &UnreservePlugin{name: unreservePluginName}
registry := framework.Registry{ registry := framework.Registry{
unreservePluginName: newPlugin(unreservePlugin), unreservePluginName: newPlugin(unreservePlugin),
prebindPluginName: newPlugin(prebindPlugin), preBindPluginName: newPlugin(preBindPlugin),
} }
// Setup initial unreserve and prebind plugin for testing. // Setup initial unreserve and prebind plugin for testing.
@ -779,7 +779,7 @@ func TestUnreservePlugin(t *testing.T) {
PreBind: &schedulerconfig.PluginSet{ PreBind: &schedulerconfig.PluginSet{
Enabled: []schedulerconfig.Plugin{ Enabled: []schedulerconfig.Plugin{
{ {
Name: prebindPluginName, Name: preBindPluginName,
}, },
}, },
}, },
@ -791,7 +791,7 @@ func TestUnreservePlugin(t *testing.T) {
Args: runtime.Unknown{}, Args: runtime.Unknown{},
}, },
{ {
Name: prebindPluginName, Name: preBindPluginName,
Args: runtime.Unknown{}, Args: runtime.Unknown{},
}, },
} }
@ -810,30 +810,30 @@ func TestUnreservePlugin(t *testing.T) {
} }
tests := []struct { tests := []struct {
prebindFail bool preBindFail bool
prebindReject bool preBindReject bool
}{ }{
{ {
prebindFail: false, preBindFail: false,
prebindReject: false, preBindReject: false,
}, },
{ {
prebindFail: true, preBindFail: true,
prebindReject: false, preBindReject: false,
}, },
{ {
prebindFail: false, preBindFail: false,
prebindReject: true, preBindReject: true,
}, },
{ {
prebindFail: true, preBindFail: true,
prebindReject: true, preBindReject: true,
}, },
} }
for i, test := range tests { for i, test := range tests {
prebindPlugin.failPrebind = test.prebindFail preBindPlugin.failPreBind = test.preBindFail
prebindPlugin.rejectPrebind = test.prebindReject preBindPlugin.rejectPreBind = test.preBindReject
// Create a best effort pod. // Create a best effort pod.
pod, err := createPausePod(cs, pod, err := createPausePod(cs,
@ -842,20 +842,20 @@ func TestUnreservePlugin(t *testing.T) {
t.Errorf("Error while creating a test pod: %v", err) t.Errorf("Error while creating a test pod: %v", err)
} }
if test.prebindFail { if test.preBindFail {
if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(cs, pod.Namespace, pod.Name)); err != nil { if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(cs, pod.Namespace, pod.Name)); err != nil {
t.Errorf("test #%v: Expected a scheduling error, but didn't get it. error: %v", i, err) t.Errorf("test #%v: Expected a scheduling error, but didn't get it. error: %v", i, err)
} }
if unreservePlugin.numUnreserveCalled == 0 || unreservePlugin.numUnreserveCalled != prebindPlugin.numPrebindCalled { if unreservePlugin.numUnreserveCalled == 0 || unreservePlugin.numUnreserveCalled != preBindPlugin.numPreBindCalled {
t.Errorf("test #%v: Expected the unreserve plugin to be called %d times, was called %d times.", i, prebindPlugin.numPrebindCalled, unreservePlugin.numUnreserveCalled) t.Errorf("test #%v: Expected the unreserve plugin to be called %d times, was called %d times.", i, preBindPlugin.numPreBindCalled, unreservePlugin.numUnreserveCalled)
} }
} else { } else {
if test.prebindReject { if test.preBindReject {
if err = waitForPodUnschedulable(cs, pod); err != nil { if err = waitForPodUnschedulable(cs, pod); err != nil {
t.Errorf("test #%v: Didn't expected the pod to be scheduled. error: %v", i, err) t.Errorf("test #%v: Didn't expected the pod to be scheduled. error: %v", i, err)
} }
if unreservePlugin.numUnreserveCalled == 0 { if unreservePlugin.numUnreserveCalled == 0 {
t.Errorf("test #%v: Expected the unreserve plugin to be called %d times, was called %d times.", i, prebindPlugin.numPrebindCalled, unreservePlugin.numUnreserveCalled) t.Errorf("test #%v: Expected the unreserve plugin to be called %d times, was called %d times.", i, preBindPlugin.numPreBindCalled, unreservePlugin.numUnreserveCalled)
} }
} else { } else {
if err = waitForPodToSchedule(cs, pod); err != nil { if err = waitForPodToSchedule(cs, pod); err != nil {
@ -868,7 +868,7 @@ func TestUnreservePlugin(t *testing.T) {
} }
unreservePlugin.reset() unreservePlugin.reset()
prebindPlugin.reset() preBindPlugin.reset()
cleanupPods(cs, t, []*v1.Pod{pod}) cleanupPods(cs, t, []*v1.Pod{pod})
} }
} }
@ -1068,10 +1068,10 @@ func TestBindPlugin(t *testing.T) {
// TestPostBindPlugin tests invocation of postbind plugins. // TestPostBindPlugin tests invocation of postbind plugins.
func TestPostBindPlugin(t *testing.T) { func TestPostBindPlugin(t *testing.T) {
// Create a plugin registry for testing. Register a prebind and a postbind plugin. // Create a plugin registry for testing. Register a prebind and a postbind plugin.
prebindPlugin := &PrebindPlugin{} preBindPlugin := &PreBindPlugin{}
postBindPlugin := &PostBindPlugin{name: postBindPluginName} postBindPlugin := &PostBindPlugin{name: postBindPluginName}
registry := framework.Registry{ registry := framework.Registry{
prebindPluginName: newPlugin(prebindPlugin), preBindPluginName: newPlugin(preBindPlugin),
postBindPluginName: newPlugin(postBindPlugin), postBindPluginName: newPlugin(postBindPlugin),
} }
@ -1080,7 +1080,7 @@ func TestPostBindPlugin(t *testing.T) {
PreBind: &schedulerconfig.PluginSet{ PreBind: &schedulerconfig.PluginSet{
Enabled: []schedulerconfig.Plugin{ Enabled: []schedulerconfig.Plugin{
{ {
Name: prebindPluginName, Name: preBindPluginName,
}, },
}, },
}, },
@ -1095,7 +1095,7 @@ func TestPostBindPlugin(t *testing.T) {
// Set reserve prebind and postbind config for testing // Set reserve prebind and postbind config for testing
pluginConfig := []schedulerconfig.PluginConfig{ pluginConfig := []schedulerconfig.PluginConfig{
{ {
Name: prebindPluginName, Name: preBindPluginName,
Args: runtime.Unknown{}, Args: runtime.Unknown{},
}, },
{ {
@ -1118,30 +1118,30 @@ func TestPostBindPlugin(t *testing.T) {
} }
tests := []struct { tests := []struct {
prebindFail bool preBindFail bool
prebindReject bool preBindReject bool
}{ }{
{ {
prebindFail: false, preBindFail: false,
prebindReject: false, preBindReject: false,
}, },
{ {
prebindFail: true, preBindFail: true,
prebindReject: false, preBindReject: false,
}, },
{ {
prebindFail: false, preBindFail: false,
prebindReject: true, preBindReject: true,
}, },
{ {
prebindFail: true, preBindFail: true,
prebindReject: true, preBindReject: true,
}, },
} }
for i, test := range tests { for i, test := range tests {
prebindPlugin.failPrebind = test.prebindFail preBindPlugin.failPreBind = test.preBindFail
prebindPlugin.rejectPrebind = test.prebindReject preBindPlugin.rejectPreBind = test.preBindReject
// Create a best effort pod. // Create a best effort pod.
pod, err := createPausePod(cs, pod, err := createPausePod(cs,
@ -1150,7 +1150,7 @@ func TestPostBindPlugin(t *testing.T) {
t.Errorf("Error while creating a test pod: %v", err) t.Errorf("Error while creating a test pod: %v", err)
} }
if test.prebindFail { if test.preBindFail {
if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(cs, pod.Namespace, pod.Name)); err != nil { if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(cs, pod.Namespace, pod.Name)); err != nil {
t.Errorf("test #%v: Expected a scheduling error, but didn't get it. error: %v", i, err) t.Errorf("test #%v: Expected a scheduling error, but didn't get it. error: %v", i, err)
} }
@ -1158,7 +1158,7 @@ func TestPostBindPlugin(t *testing.T) {
t.Errorf("test #%v: Didn't expected the postbind plugin to be called %d times.", i, postBindPlugin.numPostBindCalled) t.Errorf("test #%v: Didn't expected the postbind plugin to be called %d times.", i, postBindPlugin.numPostBindCalled)
} }
} else { } else {
if test.prebindReject { if test.preBindReject {
if err = waitForPodUnschedulable(cs, pod); err != nil { if err = waitForPodUnschedulable(cs, pod); err != nil {
t.Errorf("test #%v: Didn't expected the pod to be scheduled. error: %v", i, err) t.Errorf("test #%v: Didn't expected the pod to be scheduled. error: %v", i, err)
} }
@ -1176,7 +1176,7 @@ func TestPostBindPlugin(t *testing.T) {
} }
postBindPlugin.reset() postBindPlugin.reset()
prebindPlugin.reset() preBindPlugin.reset()
cleanupPods(cs, t, []*v1.Pod{pod}) cleanupPods(cs, t, []*v1.Pod{pod})
} }
} }