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/*
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 apiregistration
import (
"sort"
"strings"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
)
func SortedByGroupAndVersion(servers []*APIService) [][]*APIService {
serversByGroupPriorityMinimum := ByGroupPriorityMinimum(servers)
sort.Sort(serversByGroupPriorityMinimum)
ret := [][]*APIService{}
for _, curr := range serversByGroupPriorityMinimum {
// check to see if we already have an entry for this group
existingIndex := -1
for j, groupInReturn := range ret {
if groupInReturn[0].Spec.Group == curr.Spec.Group {
existingIndex = j
break
}
}
if existingIndex >= 0 {
ret[existingIndex] = append(ret[existingIndex], curr)
sort.Sort(ByVersionPriority(ret[existingIndex]))
continue
}
ret = append(ret, []*APIService{curr})
}
return ret
}
// ByGroupPriorityMinimum sorts with the highest group number first, then by name.
// This is not a simple reverse, because we want the name sorting to be alpha, not
// reverse alpha.
type ByGroupPriorityMinimum []*APIService
func (s ByGroupPriorityMinimum) Len() int { return len(s) }
func (s ByGroupPriorityMinimum) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s ByGroupPriorityMinimum) Less(i, j int) bool {
if s[i].Spec.GroupPriorityMinimum != s[j].Spec.GroupPriorityMinimum {
return s[i].Spec.GroupPriorityMinimum > s[j].Spec.GroupPriorityMinimum
}
return s[i].Name < s[j].Name
}
// ByVersionPriority sorts with the highest version number first, then by name.
// This is not a simple reverse, because we want the name sorting to be alpha, not
// reverse alpha.
type ByVersionPriority []*APIService
func (s ByVersionPriority) Len() int { return len(s) }
func (s ByVersionPriority) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s ByVersionPriority) Less(i, j int) bool {
if s[i].Spec.VersionPriority != s[j].Spec.VersionPriority {
return s[i].Spec.VersionPriority > s[j].Spec.VersionPriority
}
return s[i].Name < s[j].Name
}
// APIServiceNameToGroupVersion returns the GroupVersion for a given apiServiceName. The name
// must be valid, but any object you get back from an informer will be valid.
func APIServiceNameToGroupVersion(apiServiceName string) schema.GroupVersion {
tokens := strings.SplitN(apiServiceName, ".", 2)
return schema.GroupVersion{Group: tokens[1], Version: tokens[0]}
}
// NewLocalAvailableAPIServiceCondition returns a condition for an available local APIService.
func NewLocalAvailableAPIServiceCondition() APIServiceCondition {
return APIServiceCondition{
Type: Available,
Status: ConditionTrue,
LastTransitionTime: metav1.Now(),
Reason: "Local",
Message: "Local APIServices are always available",
}
}
// SetAPIServiceCondition sets the status condition. It either overwrites the existing one or
// creates a new one
func SetAPIServiceCondition(apiService *APIService, newCondition APIServiceCondition) {
var existingCondition *APIServiceCondition
for i := range apiService.Status.Conditions {
if apiService.Status.Conditions[i].Type == newCondition.Type {
existingCondition = &apiService.Status.Conditions[i]
break
}
}
if existingCondition == nil {
apiService.Status.Conditions = append(apiService.Status.Conditions, newCondition)
return
}
if existingCondition.Status != newCondition.Status {
existingCondition.Status = newCondition.Status
existingCondition.LastTransitionTime = newCondition.LastTransitionTime
}
existingCondition.Reason = newCondition.Reason
existingCondition.Message = newCondition.Message
}
// IsAPIServiceConditionTrue indicates if the condition is present and strictly true
func IsAPIServiceConditionTrue(apiService *APIService, conditionType APIServiceConditionType) bool {
for _, condition := range apiService.Status.Conditions {
if condition.Type == conditionType && condition.Status == ConditionTrue {
return true
}
}
return false
}
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