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pvc warning for storage request: add unit test

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This commit is contained in:
Paco Xu 2022-10-21 13:43:40 +08:00
parent 0b848bee4e
commit ca94a89414
2 changed files with 74 additions and 6 deletions
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10
pkg/api/persistentvolumeclaim/util.go
View File

@ -19,7 +19,6 @@ package persistentvolumeclaim
import (
"fmt"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/util/validation/field"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/apis/core"
@ -161,13 +160,12 @@ func GetWarningsForPersistentVolumeClaim(pv *core.PersistentVolumeClaim) []strin
return nil
}
storageValue := pv.Spec.Resources.Requests[core.ResourceStorage]
return warningsForPersistentVolumeClaimResources(field.NewPath("spec").Child("Resources").Child("Requests").Key(core.ResourceStorage.String()), storageValue)
}
func warningsForPersistentVolumeClaimResources(fieldPath *field.Path, storageValue resource.Quantity) []string {
var warnings []string
if storageValue.MilliValue()%int64(1000) != int64(0) {
warnings = append(warnings, fmt.Sprintf("%s: fractional byte value %q is invalid, must be an integer", fieldPath.String(), storageValue.String()))
warnings = append(warnings, fmt.Sprintf(
"%s: fractional byte value %q is invalid, must be an integer",
field.NewPath("spec").Child("resources").Child("requests").Key(core.ResourceStorage.String()),
storageValue.String()))
}
return warnings
}

70
pkg/api/persistentvolumeclaim/util_test.go
View File

@ -23,6 +23,7 @@ import (
"github.com/google/go-cmp/cmp"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/util/sets"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
@ -397,3 +398,72 @@ func withResizeStatus(status core.PersistentVolumeClaimResizeStatus) *core.Persi
},
}
}
func TestWarnings(t *testing.T) {
testcases := []struct {
name string
template *core.PersistentVolumeClaim
expected []string
}{
{
name: "null",
template: nil,
expected: nil,
},
{
name: "200Mi no warning",
template: &core.PersistentVolumeClaim{
Spec: core.PersistentVolumeClaimSpec{
Resources: core.ResourceRequirements{
Requests: core.ResourceList{
core.ResourceStorage: resource.MustParse("200Mi"),
},
},
},
},
expected: nil,
},
{
name: "200m warning",
template: &core.PersistentVolumeClaim{
Spec: core.PersistentVolumeClaimSpec{
Resources: core.ResourceRequirements{
Requests: core.ResourceList{
core.ResourceStorage: resource.MustParse("200m"),
},
},
},
},
expected: []string{
`spec.resources.requests[storage]: fractional byte value "200m" is invalid, must be an integer`,
},
},
{
name: "integer no warning",
template: &core.PersistentVolumeClaim{
Spec: core.PersistentVolumeClaimSpec{
Resources: core.ResourceRequirements{
Requests: core.ResourceList{
core.ResourceStorage: resource.MustParse("200"),
},
},
},
},
expected: nil,
},
}
for _, tc := range testcases {
t.Run("pvcspec_"+tc.name, func(t *testing.T) {
actual := sets.NewString(GetWarningsForPersistentVolumeClaim(tc.template)...)
expected := sets.NewString(tc.expected...)
for _, missing := range expected.Difference(actual).List() {
t.Errorf("missing: %s", missing)
}
for _, extra := range actual.Difference(expected).List() {
t.Errorf("extra: %s", extra)
}
})
}
}