代码拉取完成,页面将自动刷新
/*
Copyright 2016 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.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package core
import (
"fmt"
"strings"
"k8s.io/kubernetes/pkg/admission"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/resource"
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/quota"
"k8s.io/kubernetes/pkg/quota/generic"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/sets"
)
// NewServiceEvaluator returns an evaluator that can evaluate service quotas
func NewServiceEvaluator(kubeClient clientset.Interface) quota.Evaluator {
allResources := []api.ResourceName{
api.ResourceServices,
api.ResourceServicesNodePorts,
api.ResourceServicesLoadBalancers,
}
return &generic.GenericEvaluator{
Name: "Evaluator.Service",
InternalGroupKind: api.Kind("Service"),
InternalOperationResources: map[admission.Operation][]api.ResourceName{
admission.Create: allResources,
admission.Update: allResources,
},
MatchedResourceNames: allResources,
MatchesScopeFunc: generic.MatchesNoScopeFunc,
ConstraintsFunc: ServiceConstraintsFunc,
UsageFunc: ServiceUsageFunc,
ListFuncByNamespace: func(namespace string, options api.ListOptions) (runtime.Object, error) {
return kubeClient.Core().Services(namespace).List(options)
},
}
}
// ServiceUsageFunc knows how to measure usage associated with services
func ServiceUsageFunc(object runtime.Object) api.ResourceList {
result := api.ResourceList{}
if service, ok := object.(*api.Service); ok {
// default service usage
result[api.ResourceServices] = resource.MustParse("1")
result[api.ResourceServicesLoadBalancers] = resource.MustParse("0")
result[api.ResourceServicesNodePorts] = resource.MustParse("0")
switch service.Spec.Type {
case api.ServiceTypeNodePort:
// node port services need to count node ports
value := resource.NewQuantity(int64(len(service.Spec.Ports)), resource.DecimalSI)
result[api.ResourceServicesNodePorts] = *value
case api.ServiceTypeLoadBalancer:
// load balancer services need to count load balancers
result[api.ResourceServicesLoadBalancers] = resource.MustParse("1")
}
}
return result
}
// QuotaServiceType returns true if the service type is eligible to track against a quota
func QuotaServiceType(service *api.Service) bool {
switch service.Spec.Type {
case api.ServiceTypeNodePort, api.ServiceTypeLoadBalancer:
return true
}
return false
}
//GetQuotaServiceType returns ServiceType if the service type is eligible to track against a quota, nor return ""
func GetQuotaServiceType(service *api.Service) api.ServiceType {
switch service.Spec.Type {
case api.ServiceTypeNodePort:
return api.ServiceTypeNodePort
case api.ServiceTypeLoadBalancer:
return api.ServiceTypeLoadBalancer
}
return api.ServiceType("")
}
// ServiceConstraintsFunc verifies that all required resources are captured in service usage.
func ServiceConstraintsFunc(required []api.ResourceName, object runtime.Object) error {
service, ok := object.(*api.Service)
if !ok {
return fmt.Errorf("unexpected input object %v", object)
}
requiredSet := quota.ToSet(required)
missingSet := sets.NewString()
serviceUsage := ServiceUsageFunc(service)
serviceSet := quota.ToSet(quota.ResourceNames(serviceUsage))
if diff := requiredSet.Difference(serviceSet); len(diff) > 0 {
missingSet.Insert(diff.List()...)
}
if len(missingSet) == 0 {
return nil
}
return fmt.Errorf("must specify %s", strings.Join(missingSet.List(), ","))
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。