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Merge pull request #66165 from liggitt/statefulset-semantic-equality

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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Compare stateful set updates semantically

Fixes #66137

```release-note
fixes a validation error that could prevent updates to StatefulSet objects containing non-normalized resource requests
```
This commit is contained in:
Kubernetes Submit Queue 2018-07-17 00:15:59 -07:00 committed by GitHub
commit 8246dfa00d
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2 changed files with 3 additions and 2 deletions
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1
pkg/apis/apps/validation/BUILD
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@ -14,6 +14,7 @@ go_library(
"//pkg/apis/apps:go_default_library", "//pkg/apis/apps:go_default_library",
"//pkg/apis/core:go_default_library", "//pkg/apis/core:go_default_library",
"//pkg/apis/core/validation:go_default_library", "//pkg/apis/core/validation:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library", "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/validation:go_default_library", "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/validation:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library", "//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",

4
pkg/apis/apps/validation/validation.go
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@ -18,8 +18,8 @@ package validation
import ( import (
"fmt" "fmt"
"reflect"
apiequality "k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation" unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
"k8s.io/apimachinery/pkg/labels" "k8s.io/apimachinery/pkg/labels"
@ -149,7 +149,7 @@ func ValidateStatefulSetUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) fi
restoreStrategy := statefulSet.Spec.UpdateStrategy restoreStrategy := statefulSet.Spec.UpdateStrategy
statefulSet.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy statefulSet.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy
if !reflect.DeepEqual(statefulSet.Spec, oldStatefulSet.Spec) { if !apiequality.Semantic.DeepEqual(statefulSet.Spec, oldStatefulSet.Spec) {
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', and 'updateStrategy' are forbidden.")) allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', and 'updateStrategy' are forbidden."))
} }
statefulSet.Spec.Replicas = restoreReplicas statefulSet.Spec.Replicas = restoreReplicas