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Implement pod deletion cost

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This commit is contained in:
Abdullah Gharaibeh
2021-02-17 15:39:42 -05:00
parent 35c233f18d
commit d7e80ab038
15 changed files with 292 additions and 86 deletions
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55
pkg/apis/core/validation/validation_test.go
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@@ -7838,6 +7838,22 @@ func TestValidatePod(t *testing.T) {
DNSPolicy: core.DNSClusterFirst,
},
},
"negative pod-deletion-cost": {
ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: "ns", Annotations: map[string]string{core.PodDeletionCost: "-100"}},
Spec: core.PodSpec{
Containers: []core.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}},
RestartPolicy: core.RestartPolicyAlways,
DNSPolicy: core.DNSClusterFirst,
},
},
"positive pod-deletion-cost": {
ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: "ns", Annotations: map[string]string{core.PodDeletionCost: "100"}},
Spec: core.PodSpec{
Containers: []core.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}},
RestartPolicy: core.RestartPolicyAlways,
DNSPolicy: core.DNSClusterFirst,
},
},
}
for k, v := range successCases {
t.Run(k, func(t *testing.T) {
@@ -8764,10 +8780,43 @@ func TestValidatePod(t *testing.T) {
},
},
},
"invalid pod-deletion-cost": {
expectedError: "metadata.annotations[controller.kubernetes.io/pod-deletion-cost]: Invalid value: \"text\": must be a 32bit integer",
spec: core.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: "ns", Annotations: map[string]string{core.PodDeletionCost: "text"}},
Spec: core.PodSpec{
Containers: []core.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}},
RestartPolicy: core.RestartPolicyAlways,
DNSPolicy: core.DNSClusterFirst,
},
},
},
"invalid leading zeros pod-deletion-cost": {
expectedError: "metadata.annotations[controller.kubernetes.io/pod-deletion-cost]: Invalid value: \"008\": must be a 32bit integer",
spec: core.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: "ns", Annotations: map[string]string{core.PodDeletionCost: "008"}},
Spec: core.PodSpec{
Containers: []core.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}},
RestartPolicy: core.RestartPolicyAlways,
DNSPolicy: core.DNSClusterFirst,
},
},
},
"invalid leading plus sign pod-deletion-cost": {
expectedError: "metadata.annotations[controller.kubernetes.io/pod-deletion-cost]: Invalid value: \"+10\": must be a 32bit integer",
spec: core.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: "ns", Annotations: map[string]string{core.PodDeletionCost: "+10"}},
Spec: core.PodSpec{
Containers: []core.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}},
RestartPolicy: core.RestartPolicyAlways,
DNSPolicy: core.DNSClusterFirst,
},
},
},
}
for k, v := range errorCases {
t.Run(k, func(t *testing.T) {
if errs := ValidatePodCreate(&v.spec, PodValidationOptions{}); len(errs) == 0 {
if errs := ValidatePodCreate(&v.spec, PodValidationOptions{AllowInvalidPodDeletionCost: false}); len(errs) == 0 {
t.Errorf("expected failure")
} else if v.expectedError == "" {
t.Errorf("missing expectedError, got %q", errs.ToAggregate().Error())
@@ -9711,7 +9760,7 @@ func TestValidatePodStatusUpdate(t *testing.T) {
for _, test := range tests {
test.new.ObjectMeta.ResourceVersion = "1"
test.old.ObjectMeta.ResourceVersion = "1"
errs := ValidatePodStatusUpdate(&test.new, &test.old)
errs := ValidatePodStatusUpdate(&test.new, &test.old, PodValidationOptions{})
if test.err == "" {
if len(errs) != 0 {
t.Errorf("unexpected invalid: %s (%+v)\nA: %+v\nB: %+v", test.test, errs, test.new, test.old)
@@ -16350,7 +16399,7 @@ func TestPodIPsValidation(t *testing.T) {
oldPod.ResourceVersion = "1"
oldPod.Name = newPod.Name
errs := ValidatePodStatusUpdate(newPod, oldPod)
errs := ValidatePodStatusUpdate(newPod, oldPod, PodValidationOptions{})
if oldTestCase.expectError {
// The old pod was invalid, tolerate invalid IPs in the new pod as well
if len(errs) > 0 {