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Fail fast in PreFilter phase and return UnschedulableAndUnresolvable if immediate PVCs are not bound

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This commit is contained in:
Yecheng Fu
2020-06-04 21:55:25 +08:00
parent 930b3a4df0
commit c4138361e4
12 changed files with 123 additions and 41 deletions
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22
pkg/controller/volume/scheduling/scheduler_binder_test.go
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@@ -771,6 +771,18 @@ func checkReasons(t *testing.T, actual, expected ConflictReasons) {
}
}
// findPodVolumes gets and finds volumes for given pod and node
func findPodVolumes(binder SchedulerVolumeBinder, pod *v1.Pod, node *v1.Node) (ConflictReasons, error) {
boundClaims, claimsToBind, unboundClaimsImmediate, err := binder.GetPodVolumes(pod)
if err != nil {
return nil, err
}
if len(unboundClaimsImmediate) > 0 {
return nil, fmt.Errorf("pod has unbound immediate PersistentVolumeClaims")
}
return binder.FindPodVolumes(pod, boundClaims, claimsToBind, node)
}
func TestFindPodVolumesWithoutProvisioning(t *testing.T) {
type scenarioType struct {
// Inputs
@@ -907,7 +919,7 @@ func TestFindPodVolumesWithoutProvisioning(t *testing.T) {
}
// Execute
reasons, err := testEnv.binder.FindPodVolumes(scenario.pod, testNode)
reasons, err := findPodVolumes(testEnv.binder, scenario.pod, testNode)
// Validate
if !scenario.shouldFail && err != nil {
@@ -1012,7 +1024,7 @@ func TestFindPodVolumesWithProvisioning(t *testing.T) {
}
// Execute
reasons, err := testEnv.binder.FindPodVolumes(scenario.pod, testNode)
reasons, err := findPodVolumes(testEnv.binder, scenario.pod, testNode)
// Validate
if !scenario.shouldFail && err != nil {
@@ -1112,7 +1124,7 @@ func TestFindPodVolumesWithCSIMigration(t *testing.T) {
}
// Execute
reasons, err := testEnv.binder.FindPodVolumes(scenario.pod, node)
reasons, err := findPodVolumes(testEnv.binder, scenario.pod, node)
// Validate
if !scenario.shouldFail && err != nil {
@@ -1933,7 +1945,7 @@ func TestFindAssumeVolumes(t *testing.T) {
// Execute
// 1. Find matching PVs
reasons, err := testEnv.binder.FindPodVolumes(pod, testNode)
reasons, err := findPodVolumes(testEnv.binder, pod, testNode)
if err != nil {
t.Errorf("Test failed: FindPodVolumes returned error: %v", err)
}
@@ -1959,7 +1971,7 @@ func TestFindAssumeVolumes(t *testing.T) {
// This should always return the original chosen pv
// Run this many times in case sorting returns different orders for the two PVs.
for i := 0; i < 50; i++ {
reasons, err := testEnv.binder.FindPodVolumes(pod, testNode)
reasons, err := findPodVolumes(testEnv.binder, pod, testNode)
if err != nil {
t.Errorf("Test failed: FindPodVolumes returned error: %v", err)
}