Files
kubernetes/pkg/quota/evaluator/core/services.go
Kubernetes Submit Queue e84a8ec45a Merge pull request #28991 from ZTE-PaaS/zhangke-patch-008
Automatic merge from submit-queue

optimize conditions of ServiceReplenishmentUpdateFunc to replenish service

Originally, the  replenishQuota method didn't focus on the third parameter object even if others transfered to it, i think the function is not efficient and perfect. then i use the third param to get MatchResources, it will be more exact. for example, if the old pod was quota tracked and the new was not, the replenishQuota only focus on usage resource of the old pod, still if  the third parameter object is nil, the process will be same as before
2016-08-05 15:45:46 -07:00

88 lines
3.0 KiB
Go

/*
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 (
"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"
)
// 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: generic.ObjectCountConstraintsFunc(api.ResourceServices),
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 {
result[api.ResourceServices] = resource.MustParse("1")
switch service.Spec.Type {
case api.ServiceTypeNodePort:
value := resource.NewQuantity(int64(len(service.Spec.Ports)), resource.DecimalSI)
result[api.ResourceServicesNodePorts] = *value
case api.ServiceTypeLoadBalancer:
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("")
}