Merge pull request #50757 from NickrenREN/local-storage-limitrange

Automatic merge from submit-queue

Add local ephemeral storage support in LimitRange

**Special notes for your reviewer**:
For a single local ephemeral storage resource

xref #43607 

**Release note**:
```release-note
Add local ephemeral storage support to LimitRange
```

/assign @jingxu97 
cc @ddysher
This commit is contained in:
Kubernetes Submit Queue 2017-08-30 13:12:23 -07:00 committed by GitHub
commit 374e631626
3 changed files with 220 additions and 2 deletions

View File

@ -3554,6 +3554,10 @@ func validateLimitRangeTypeName(value string, fldPath *field.Path) field.ErrorLi
// Validate limit range resource name
// limit types (other than Pod/Container) could contain storage not just cpu or memory
func validateLimitRangeResourceName(limitType api.LimitType, value string, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if value == string(api.ResourceEphemeralStorage) && !utilfeature.DefaultFeatureGate.Enabled(features.LocalStorageCapacityIsolation) {
return append(allErrs, field.Forbidden(fldPath, "ResourceEphemeralStorage field disabled by feature-gate for Resource LimitRange"))
}
switch limitType {
case api.LimitTypePod, api.LimitTypeContainer:
return validateContainerResourceName(value, fldPath)

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@ -8711,6 +8711,71 @@ func getStorageResourceList(storage string) api.ResourceList {
return res
}
func getLocalStorageResourceList(ephemeralStorage string) api.ResourceList {
res := api.ResourceList{}
if ephemeralStorage != "" {
res[api.ResourceEphemeralStorage] = resource.MustParse(ephemeralStorage)
}
return res
}
func TestValidateLimitRangeForLocalStorage(t *testing.T) {
testCases := []struct {
name string
spec api.LimitRangeSpec
}{
{
name: "all-fields-valid",
spec: api.LimitRangeSpec{
Limits: []api.LimitRangeItem{
{
Type: api.LimitTypePod,
Max: getLocalStorageResourceList("10000Mi"),
Min: getLocalStorageResourceList("100Mi"),
MaxLimitRequestRatio: getLocalStorageResourceList(""),
},
{
Type: api.LimitTypeContainer,
Max: getLocalStorageResourceList("10000Mi"),
Min: getLocalStorageResourceList("100Mi"),
Default: getLocalStorageResourceList("500Mi"),
DefaultRequest: getLocalStorageResourceList("200Mi"),
MaxLimitRequestRatio: getLocalStorageResourceList(""),
},
},
},
},
}
// Enable alpha feature LocalStorageCapacityIsolation
err := utilfeature.DefaultFeatureGate.Set("LocalStorageCapacityIsolation=true")
if err != nil {
t.Errorf("Failed to enable feature gate for LocalStorageCapacityIsolation: %v", err)
return
}
for _, testCase := range testCases {
limitRange := &api.LimitRange{ObjectMeta: metav1.ObjectMeta{Name: testCase.name, Namespace: "foo"}, Spec: testCase.spec}
if errs := ValidateLimitRange(limitRange); len(errs) != 0 {
t.Errorf("Case %v, unexpected error: %v", testCase.name, errs)
}
}
// Disable alpha feature LocalStorageCapacityIsolation
err = utilfeature.DefaultFeatureGate.Set("LocalStorageCapacityIsolation=false")
if err != nil {
t.Errorf("Failed to disable feature gate for LocalStorageCapacityIsolation: %v", err)
return
}
for _, testCase := range testCases {
limitRange := &api.LimitRange{ObjectMeta: metav1.ObjectMeta{Name: testCase.name, Namespace: "foo"}, Spec: testCase.spec}
if errs := ValidateLimitRange(limitRange); len(errs) == 0 {
t.Errorf("Case %v, expected feature gate unable error but actually no error", testCase.name)
}
}
}
func TestValidateLimitRange(t *testing.T) {
successCases := []struct {
name string
@ -8905,7 +8970,7 @@ func TestValidateLimitRange(t *testing.T) {
}},
"default value 2 is greater than max value 1",
},
"invalid spec defaultrequest outside range": {
"invalid spec default request outside range": {
api.LimitRange{ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: "foo"}, Spec: api.LimitRangeSpec{
Limits: []api.LimitRangeItem{
{
@ -8918,7 +8983,7 @@ func TestValidateLimitRange(t *testing.T) {
}},
"default request value 2 is greater than max value 1",
},
"invalid spec defaultrequest more than default": {
"invalid spec default request more than default": {
api.LimitRange{ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: "foo"}, Spec: api.LimitRangeSpec{
Limits: []api.LimitRangeItem{
{

View File

@ -361,6 +361,72 @@ func TestPodLimitFunc(t *testing.T) {
pod: validPod("pod-max-mem-ratio", 3, getResourceRequirements(getComputeResourceList("", "300Mi"), getComputeResourceList("", "450Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getComputeResourceList("", "2Gi"), api.ResourceList{}, api.ResourceList{}, getComputeResourceList("", "1.5")),
},
{
pod: validPod("ctr-1-min-local-ephemeral-storage-request", 1, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-min-local-ephemeral-storage-request-limit", 1, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList("100Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-max-local-ephemeral-storage-request-limit", 1, getResourceRequirements(getLocalStorageResourceList("250Mi"), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-max-local-ephemeral-storage-limit", 1, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-min-local-ephemeral-storage-request", 2, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-min-local-ephemeral-storage-request-limit", 2, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList("100Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-max-local-ephemeral-storage-request-limit", 2, getResourceRequirements(getLocalStorageResourceList("250Mi"), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("600Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-max-local-ephemeral-storage-limit", 2, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("600Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-min-local-ephemeral-storage-request", 2, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypePod, getLocalStorageResourceList("100Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-min-local-ephemeral-storage-request-limit", 2, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList("100Mi"))),
limitRange: createLimitRange(api.LimitTypePod, getLocalStorageResourceList("100Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPodInit(
validPod("pod-init-min-local-ephemeral-storage-request", 2, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList(""))),
getResourceRequirements(getLocalStorageResourceList("100Mi"), getLocalStorageResourceList("")),
),
limitRange: createLimitRange(api.LimitTypePod, getLocalStorageResourceList("100Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPodInit(
validPod("pod-init-min-local-ephemeral-storage-request-limit", 2, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList("100Mi"))),
getResourceRequirements(getLocalStorageResourceList("80Mi"), getLocalStorageResourceList("100Mi")),
),
limitRange: createLimitRange(api.LimitTypePod, getLocalStorageResourceList("100Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-max-local-ephemeral-storage-request-limit", 2, getResourceRequirements(getLocalStorageResourceList("250Mi"), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-max-local-ephemeral-storage-limit", 2, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-max-local-ephemeral-storage-ratio", 3, getResourceRequirements(getLocalStorageResourceList("300Mi"), getLocalStorageResourceList("450Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getLocalStorageResourceList("2Gi"), api.ResourceList{}, api.ResourceList{}, getLocalStorageResourceList("1.5")),
},
}
for i := range successCases {
test := successCases[i]
@ -466,6 +532,81 @@ func TestPodLimitFunc(t *testing.T) {
pod: validPod("pod-max-mem-ratio", 3, getResourceRequirements(getComputeResourceList("", "250Mi"), getComputeResourceList("", "500Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getComputeResourceList("", "2Gi"), api.ResourceList{}, api.ResourceList{}, getComputeResourceList("", "1.5")),
},
{
pod: validPod("ctr-1-min-local-ephemeral-storage-request", 1, getResourceRequirements(getLocalStorageResourceList("40Mi"), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-min-local-ephemeral-storage-request-limit", 1, getResourceRequirements(getLocalStorageResourceList("40Mi"), getLocalStorageResourceList("100Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-min-local-ephemeral-storage-no-request-limit", 1, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-max-local-ephemeral-storage-request-limit", 1, getResourceRequirements(getLocalStorageResourceList("250Mi"), getLocalStorageResourceList("2Gi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-max-local-ephemeral-storage-limit", 1, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("2Gi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-1-max-local-ephemeral-storage-no-request-limit", 1, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-min-local-ephemeral-storage-request", 2, getResourceRequirements(getLocalStorageResourceList("40Mi"), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-min-local-ephemeral-storage-request-limit", 2, getResourceRequirements(getLocalStorageResourceList("40Mi"), getLocalStorageResourceList("100Mi"))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-min-local-ephemeral-storage-no-request-limit", 2, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, getLocalStorageResourceList("50Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-max-local-ephemeral-storage-request-limit", 2, getResourceRequirements(getLocalStorageResourceList("250Mi"), getLocalStorageResourceList("2Gi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-max-local-ephemeral-storage-limit", 2, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("2Gi"))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("ctr-2-max-local-ephemeral-storage-no-request-limit", 2, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypeContainer, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-min-local-ephemeral-storage-request", 1, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList(""))),
limitRange: createLimitRange(api.LimitTypePod, getLocalStorageResourceList("100Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-min-local-ephemeral-storage-request-limit", 1, getResourceRequirements(getLocalStorageResourceList("60Mi"), getLocalStorageResourceList("100Mi"))),
limitRange: createLimitRange(api.LimitTypePod, getLocalStorageResourceList("100Mi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-max-local-ephemeral-storage-request-limit", 3, getResourceRequirements(getLocalStorageResourceList("250Mi"), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-max-local-ephemeral-storage-limit", 3, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPodInit(
validPod("pod-init-max-local-ephemeral-storage-limit", 1, getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("500Mi"))),
getResourceRequirements(getLocalStorageResourceList(""), getLocalStorageResourceList("1.5Gi")),
),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getLocalStorageResourceList("1Gi"), api.ResourceList{}, api.ResourceList{}, api.ResourceList{}),
},
{
pod: validPod("pod-max-local-ephemeral-storage-ratio", 3, getResourceRequirements(getLocalStorageResourceList("250Mi"), getLocalStorageResourceList("500Mi"))),
limitRange: createLimitRange(api.LimitTypePod, api.ResourceList{}, getLocalStorageResourceList("2Gi"), api.ResourceList{}, api.ResourceList{}, getLocalStorageResourceList("1.5")),
},
}
for i := range errorCases {
test := errorCases[i]
@ -476,6 +617,14 @@ func TestPodLimitFunc(t *testing.T) {
}
}
func getLocalStorageResourceList(ephemeralStorage string) api.ResourceList {
res := api.ResourceList{}
if ephemeralStorage != "" {
res[api.ResourceEphemeralStorage] = resource.MustParse(ephemeralStorage)
}
return res
}
func TestPodLimitFuncApplyDefault(t *testing.T) {
limitRange := validLimitRange()
testPod := validPodInit(validPod("foo", 1, getResourceRequirements(api.ResourceList{}, api.ResourceList{})), getResourceRequirements(api.ResourceList{}, api.ResourceList{}))