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ingressclass

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This commit is contained in:
kidddddddddddddddddddddd 2022-07-06 14:11:32 +08:00
parent 89aaf7c02d
commit 60b18fbf9d
2 changed files with 45 additions and 8 deletions
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11
plugin/pkg/admission/network/defaultingressclass/admission.go
View File

@ -20,6 +20,7 @@ import (
"context"
"fmt"
"io"
"sort"
networkingv1 "k8s.io/api/networking/v1"
networkingv1beta1 "k8s.io/api/networking/v1beta1"
@ -141,10 +142,14 @@ func getDefaultClass(lister networkingv1listers.IngressClassLister) (*networking
if len(defaultClasses) == 0 {
return nil, nil
}
sort.Slice(defaultClasses, func(i, j int) bool {
if defaultClasses[i].CreationTimestamp.UnixNano() == defaultClasses[j].CreationTimestamp.UnixNano() {
return defaultClasses[i].Name < defaultClasses[j].Name
}
return defaultClasses[i].CreationTimestamp.UnixNano() > defaultClasses[j].CreationTimestamp.UnixNano()
})
if len(defaultClasses) > 1 {
klog.V(3).Infof("%d default IngressClasses were found, only 1 allowed", len(defaultClasses))
return nil, errors.NewInternalError(fmt.Errorf("%d default IngressClasses were found, only 1 allowed", len(defaultClasses)))
klog.V(4).Infof("%d default IngressClasses were found, choosing the newest: %s", len(defaultClasses), defaultClasses[0].Name)
}
return defaultClasses[0], nil

42
plugin/pkg/admission/network/defaultingressclass/admission_test.go
View File

@ -18,13 +18,12 @@ package defaultingressclass
import (
"context"
"fmt"
"reflect"
"testing"
"time"
networkingv1 "k8s.io/api/networking/v1"
networkingv1beta1 "k8s.io/api/networking/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apiserver/pkg/admission"
admissiontesting "k8s.io/apiserver/pkg/admission/testing"
@ -89,6 +88,31 @@ func TestAdmission(t *testing.T) {
},
}
defaultClassWithCreateTime1 := &networkingv1.IngressClass{
TypeMeta: metav1.TypeMeta{
Kind: "IngressClass",
},
ObjectMeta: metav1.ObjectMeta{
Name: "default1",
CreationTimestamp: metav1.NewTime(time.Date(2022, time.Month(1), 1, 0, 0, 0, 1, time.UTC)),
Annotations: map[string]string{
networkingv1.AnnotationIsDefaultIngressClass: "true",
},
},
}
defaultClassWithCreateTime2 := &networkingv1.IngressClass{
TypeMeta: metav1.TypeMeta{
Kind: "IngressClass",
},
ObjectMeta: metav1.ObjectMeta{
Name: "default2",
CreationTimestamp: metav1.NewTime(time.Date(2022, time.Month(1), 1, 0, 0, 0, 0, time.UTC)),
Annotations: map[string]string{
networkingv1.AnnotationIsDefaultIngressClass: "true",
},
},
}
testCases := []struct {
name string
classes []*networkingv1.IngressClass
@ -138,12 +162,12 @@ func TestAdmission(t *testing.T) {
expectedError: nil,
},
{
name: "two defaults, error with Ingress with class field=nil",
name: "two defaults with the same creation time, choose the one with the lower name",
classes: []*networkingv1.IngressClass{defaultClass1, defaultClass2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
classField: nil,
classAnnotation: nil,
expectedClass: nil,
expectedError: errors.NewForbidden(networkingv1.Resource("ingresses"), "testing", errors.NewInternalError(fmt.Errorf("2 default IngressClasses were found, only 1 allowed"))),
expectedClass: utilpointer.StringPtr(defaultClass1.Name),
expectedError: nil,
},
{
name: "two defaults, no modification with Ingress with class field=''",
@ -153,6 +177,14 @@ func TestAdmission(t *testing.T) {
expectedClass: utilpointer.StringPtr(""),
expectedError: nil,
},
{
name: "two defaults, choose the one with the newer creation time",
classes: []*networkingv1.IngressClass{defaultClassWithCreateTime1, defaultClassWithCreateTime2, classWithFalseDefault, classWithNoDefault, classWithEmptyDefault},
classField: nil,
classAnnotation: nil,
expectedClass: utilpointer.StringPtr(defaultClassWithCreateTime1.Name),
expectedError: nil,
},
}
for _, testCase := range testCases {