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switch system priority class to versioned (v1) api

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move all the helpers to scheduling v1 helpers

less explicit conversion
This commit is contained in:
yue9944882
2019-04-10 13:10:09 +08:00
parent ea4570a412
commit 09cf42d67c
14 changed files with 60 additions and 54 deletions
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14
pkg/apis/scheduling/BUILD
View File

@@ -1,16 +1,11 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
load("@io_bazel_rules_go//go:def.bzl", "go_library")
go_library(
name = "go_default_library",
srcs = [
"doc.go",
"helpers.go",
"register.go",
"types.go",
"zz_generated.deepcopy.go",
@@ -45,10 +40,3 @@ filegroup(
],
tags = ["automanaged"],
)
go_test(
name = "go_default_test",
srcs = ["helpers_test.go"],
embed = [":go_default_library"],
deps = ["//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library"],
)

9
pkg/apis/scheduling/v1/BUILD
View File

@@ -5,6 +5,7 @@ go_library(
srcs = [
"defaults.go",
"doc.go",
"helpers.go",
"register.go",
"zz_generated.conversion.go",
"zz_generated.defaults.go",
@@ -17,6 +18,7 @@ go_library(
"//pkg/features:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/api/scheduling/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/conversion:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
@@ -40,14 +42,19 @@ filegroup(
go_test(
name = "go_default_test",
srcs = ["defaults_test.go"],
srcs = [
"defaults_test.go",
"helpers_test.go",
],
embed = [":go_default_library"],
deps = [
"//pkg/api/legacyscheme:go_default_library",
"//pkg/api/testapi:go_default_library",
"//pkg/apis/scheduling:go_default_library",
"//pkg/features:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/api/scheduling/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",

34
pkg/apis/scheduling/helpers.go → pkg/apis/scheduling/v1/helpers.go
View File

@@ -1,5 +1,5 @@
/*
Copyright 2018 The Kubernetes Authors.
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -14,52 +14,54 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
package scheduling
package v1
import (
"fmt"
"k8s.io/api/scheduling/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/apis/scheduling"
)
// SystemPriorityClasses define system priority classes that are auto-created at cluster bootstrapping.
// Our API validation logic ensures that any priority class that has a system prefix or its value
// is higher than HighestUserDefinablePriority is equal to one of these SystemPriorityClasses.
var systemPriorityClasses = []*PriorityClass{
var systemPriorityClasses = []*v1.PriorityClass{
{
ObjectMeta: metav1.ObjectMeta{
Name: SystemNodeCritical,
Name: scheduling.SystemNodeCritical,
},
Value: SystemCriticalPriority + 1000,
Value: scheduling.SystemCriticalPriority + 1000,
Description: "Used for system critical pods that must not be moved from their current node.",
},
{
ObjectMeta: metav1.ObjectMeta{
Name: SystemClusterCritical,
Name: scheduling.SystemClusterCritical,
},
Value: SystemCriticalPriority,
Value: scheduling.SystemCriticalPriority,
Description: "Used for system critical pods that must run in the cluster, but can be moved to another node if necessary.",
},
}
// SystemPriorityClasses returns the list of system priority classes.
// NOTE: be careful not to modify any of elements of the returned array directly.
func SystemPriorityClasses() []*PriorityClass {
func SystemPriorityClasses() []*v1.PriorityClass {
return systemPriorityClasses
}
// IsKnownSystemPriorityClass checks that "pc" is equal to one of the system PriorityClasses.
// It ignores "description", labels, annotations, etc. of the PriorityClass.
func IsKnownSystemPriorityClass(pc *PriorityClass) (bool, error) {
for _, spc := range systemPriorityClasses {
if spc.Name == pc.Name {
if spc.Value != pc.Value {
// IsKnownSystemPriorityClass returns true if there's any of the system priority classes exactly
// matches "name", "value", "globalDefault". otherwise it will return an error.
func IsKnownSystemPriorityClass(name string, value int32, globalDefault bool) (bool, error) {
for _, spc := range SystemPriorityClasses() {
if spc.Name == name {
if spc.Value != value {
return false, fmt.Errorf("value of %v PriorityClass must be %v", spc.Name, spc.Value)
}
if spc.GlobalDefault != pc.GlobalDefault {
if spc.GlobalDefault != globalDefault {
return false, fmt.Errorf("globalDefault of %v PriorityClass must be %v", spc.Name, spc.GlobalDefault)
}
return true, nil
}
}
return false, fmt.Errorf("%v is not a known system priority class", pc.Name)
return false, fmt.Errorf("%v is not a known system priority class", name)
}

16
pkg/apis/scheduling/helpers_test.go → pkg/apis/scheduling/v1/helpers_test.go
View File

@@ -1,5 +1,5 @@
/*
Copyright 2018 The Kubernetes Authors.
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -14,18 +14,20 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
package scheduling
package v1
import (
"testing"
v1 "k8s.io/api/scheduling/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/apis/scheduling"
)
func TestIsKnownSystemPriorityClass(t *testing.T) {
tests := []struct {
name string
pc *PriorityClass
pc *v1.PriorityClass
expected bool
}{
{
@@ -35,11 +37,11 @@ func TestIsKnownSystemPriorityClass(t *testing.T) {
},
{
name: "non-system priority class",
pc: &PriorityClass{
pc: &v1.PriorityClass{
ObjectMeta: metav1.ObjectMeta{
Name: SystemNodeCritical,
Name: scheduling.SystemNodeCritical,
},
Value: SystemCriticalPriority, // This is the value of system cluster critical
Value: scheduling.SystemCriticalPriority, // This is the value of system cluster critical
Description: "Used for system critical pods that must not be moved from their current node.",
},
expected: false,
@@ -47,7 +49,7 @@ func TestIsKnownSystemPriorityClass(t *testing.T) {
}
for _, test := range tests {
if is, err := IsKnownSystemPriorityClass(test.pc); test.expected != is {
if is, err := IsKnownSystemPriorityClass(test.pc.Name, test.pc.Value, test.pc.GlobalDefault); test.expected != is {
t.Errorf("Test [%v]: Expected %v, but got %v. Error: %v", test.name, test.expected, is, err)
}
}

2
pkg/apis/scheduling/validation/BUILD
View File

@@ -12,6 +12,7 @@ go_test(
embed = [":go_default_library"],
deps = [
"//pkg/apis/scheduling:go_default_library",
"//pkg/apis/scheduling/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
],
@@ -24,6 +25,7 @@ go_library(
deps = [
"//pkg/apis/core/validation:go_default_library",
"//pkg/apis/scheduling:go_default_library",
"//pkg/apis/scheduling/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/validation:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
],

3
pkg/apis/scheduling/validation/validation.go
View File

@@ -24,6 +24,7 @@ import (
"k8s.io/apimachinery/pkg/util/validation/field"
apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
"k8s.io/kubernetes/pkg/apis/scheduling"
schedulingapiv1 "k8s.io/kubernetes/pkg/apis/scheduling/v1"
)
// ValidatePriorityClass tests whether required fields in the PriorityClass are
@@ -34,7 +35,7 @@ func ValidatePriorityClass(pc *scheduling.PriorityClass) field.ErrorList {
// If the priorityClass starts with a system prefix, it must be one of the
// predefined system priority classes.
if strings.HasPrefix(pc.Name, scheduling.SystemPriorityClassPrefix) {
if is, err := scheduling.IsKnownSystemPriorityClass(pc); !is {
if is, err := schedulingapiv1.IsKnownSystemPriorityClass(pc.Name, pc.Value, pc.GlobalDefault); !is {
allErrs = append(allErrs, field.Forbidden(field.NewPath("metadata", "name"), "priority class names with '"+scheduling.SystemPriorityClassPrefix+"' prefix are reserved for system use only. error: "+err.Error()))
}
} else if pc.Value > scheduling.HighestUserDefinablePriority {

3
pkg/apis/scheduling/validation/validation_test.go
View File

@@ -22,10 +22,11 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/kubernetes/pkg/apis/scheduling"
schedulingapiv1 "k8s.io/kubernetes/pkg/apis/scheduling/v1"
)
func TestValidatePriorityClass(t *testing.T) {
spcs := scheduling.SystemPriorityClasses()
spcs := schedulingapiv1.SystemPriorityClasses()
successCases := map[string]scheduling.PriorityClass{
"no description": {
ObjectMeta: metav1.ObjectMeta{Name: "tier1", Namespace: ""},