scottk/kubernetes
1
0
Fork 0
mirror of https://github.com/optim-enterprises-bv/kubernetes.git synced 2025-11-01 18:58:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

validation: Handle presence of api introduced

Browse Source 
When the StatefulSetMinReadySeconds feature gate is disabled,
the registry and validation must properly handle dropping the
minReadySeconds and AvailableReplicas fields
This commit is contained in:
ravisantoshgudimetla
2021-04-05 17:08:53 -04:00
parent d11cc95376
commit f3ab955018
4 changed files with 393 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

148
pkg/apis/apps/validation/validation_test.go
View File

@@ -386,18 +386,94 @@ func TestValidateStatefulSet(t *testing.T) {
}
}
// generateStatefulSetSpec generates a valid StatefulSet spec
func generateStatefulSetSpec(minSeconds int32) *apps.StatefulSetSpec {
labels := map[string]string{"a": "b"}
podTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: labels,
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
},
}
ss := &apps.StatefulSetSpec{
PodManagementPolicy: "OrderedReady",
Selector: &metav1.LabelSelector{MatchLabels: labels},
Template: podTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
MinReadySeconds: minSeconds,
}
return ss
}
// TestValidateStatefulSetMinReadySeconds tests the StatefulSet Spec's minReadySeconds field
func TestValidateStatefulSetMinReadySeconds(t *testing.T) {
testCases := map[string]struct {
ss *apps.StatefulSetSpec
enableMinReadySeconds bool
expectErr bool
}{
"valid : minReadySeconds enabled, zero": {
ss: generateStatefulSetSpec(0),
enableMinReadySeconds: true,
expectErr: false,
},
"invalid : minReadySeconds enabled, negative": {
ss: generateStatefulSetSpec(-1),
enableMinReadySeconds: true,
expectErr: true,
},
"valid : minReadySeconds enabled, very large value": {
ss: generateStatefulSetSpec(2147483647),
enableMinReadySeconds: true,
expectErr: false,
},
"invalid : minReadySeconds enabled, large negative": {
ss: generateStatefulSetSpec(-2147483648),
enableMinReadySeconds: true,
expectErr: true,
},
"valid : minReadySeconds disabled, we don't validate anything": {
ss: generateStatefulSetSpec(-2147483648),
enableMinReadySeconds: false,
expectErr: false,
},
}
for tcName, tc := range testCases {
t.Run(tcName, func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetMinReadySeconds, tc.enableMinReadySeconds)()
errs := ValidateStatefulSetSpec(tc.ss, field.NewPath("spec", "minReadySeconds"),
corevalidation.PodValidationOptions{})
if tc.expectErr && len(errs) == 0 {
t.Errorf("Unexpected success")
}
if !tc.expectErr && len(errs) != 0 {
t.Errorf("Unexpected error(s): %v", errs)
}
})
}
}
func TestValidateStatefulSetStatus(t *testing.T) {
observedGenerationMinusOne := int64(-1)
collisionCountMinusOne := int32(-1)
tests := []struct {
name string
replicas int32
readyReplicas int32
currentReplicas int32
updatedReplicas int32
observedGeneration *int64
collisionCount *int32
expectedErr bool
name string
replicas int32
readyReplicas int32
currentReplicas int32
updatedReplicas int32
availableReplicas int32
enableMinReadySeconds bool
observedGeneration *int64
collisionCount *int32
expectedErr bool
}{
{
name: "valid status",
@@ -481,10 +557,65 @@ func TestValidateStatefulSetStatus(t *testing.T) {
updatedReplicas: 4,
expectedErr: true,
},
{
name: "invalid: number of available replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
availableReplicas: int32(-1),
expectedErr: true,
enableMinReadySeconds: true,
},
{
name: "invalid: available replicas greater than replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
availableReplicas: int32(4),
expectedErr: true,
enableMinReadySeconds: true,
},
{
name: "invalid: available replicas greater than ready replicas",
replicas: 3,
readyReplicas: 2,
currentReplicas: 2,
availableReplicas: int32(3),
expectedErr: true,
enableMinReadySeconds: true,
},
{
name: "minReadySeconds flag not set, no validation: number of available replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
availableReplicas: int32(-1),
expectedErr: false,
enableMinReadySeconds: false,
},
{
name: "minReadySeconds flag not set, no validation: available replicas greater than replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
availableReplicas: int32(4),
expectedErr: false,
enableMinReadySeconds: false,
},
{
name: "minReadySeconds flag not set, no validation: available replicas greater than ready replicas",
replicas: 3,
readyReplicas: 2,
currentReplicas: 2,
availableReplicas: int32(3),
expectedErr: false,
enableMinReadySeconds: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetMinReadySeconds, test.enableMinReadySeconds)()
status := apps.StatefulSetStatus{
Replicas: test.replicas,
ReadyReplicas: test.readyReplicas,
@@ -492,6 +623,7 @@ func TestValidateStatefulSetStatus(t *testing.T) {
UpdatedReplicas: test.updatedReplicas,
ObservedGeneration: test.observedGeneration,
CollisionCount: test.collisionCount,
AvailableReplicas: test.availableReplicas,
}
errs := ValidateStatefulSetStatus(&status, field.NewPath("status"))