Update custom-metrics-apiserver and metrics-server

vendor/k8s.io/apiserver/pkg/util/apihelpers/helpers.go

@@ -0,0 +1,100 @@
+/*
+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.
+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 apihelpers
+
+import (
+	"sort"
+
+	flowcontrol "k8s.io/api/flowcontrol/v1alpha1"
+)
+
+// SetFlowSchemaCondition sets conditions.
+func SetFlowSchemaCondition(flowSchema *flowcontrol.FlowSchema, newCondition flowcontrol.FlowSchemaCondition) {
+	existingCondition := GetFlowSchemaConditionByType(flowSchema, newCondition.Type)
+	if existingCondition == nil {
+		flowSchema.Status.Conditions = append(flowSchema.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
+}
+
+// GetFlowSchemaConditionByType gets conditions.
+func GetFlowSchemaConditionByType(flowSchema *flowcontrol.FlowSchema, conditionType flowcontrol.FlowSchemaConditionType) *flowcontrol.FlowSchemaCondition {
+	for i := range flowSchema.Status.Conditions {
+		if flowSchema.Status.Conditions[i].Type == conditionType {
+			return &flowSchema.Status.Conditions[i]
+		}
+	}
+	return nil
+}
+
+// SetPriorityLevelConfigurationCondition sets conditions.
+func SetPriorityLevelConfigurationCondition(priorityLevel *flowcontrol.PriorityLevelConfiguration, newCondition flowcontrol.PriorityLevelConfigurationCondition) {
+	existingCondition := GetPriorityLevelConfigurationConditionByType(priorityLevel, newCondition.Type)
+	if existingCondition == nil {
+		priorityLevel.Status.Conditions = append(priorityLevel.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
+}
+
+// GetPriorityLevelConfigurationConditionByType gets conditions.
+func GetPriorityLevelConfigurationConditionByType(priorityLevel *flowcontrol.PriorityLevelConfiguration, conditionType flowcontrol.PriorityLevelConfigurationConditionType) *flowcontrol.PriorityLevelConfigurationCondition {
+	for i := range priorityLevel.Status.Conditions {
+		if priorityLevel.Status.Conditions[i].Type == conditionType {
+			return &priorityLevel.Status.Conditions[i]
+		}
+	}
+	return nil
+}
+
+var _ sort.Interface = FlowSchemaSequence{}
+
+// FlowSchemaSequence holds sorted set of pointers to FlowSchema objects.
+// FlowSchemaSequence implements `sort.Interface`
+type FlowSchemaSequence []*flowcontrol.FlowSchema
+
+func (s FlowSchemaSequence) Len() int {
+	return len(s)
+}
+
+func (s FlowSchemaSequence) Less(i, j int) bool {
+	// the flow-schema w/ lower matching-precedence is prior
+	if ip, jp := s[i].Spec.MatchingPrecedence, s[j].Spec.MatchingPrecedence; ip != jp {
+		return ip < jp
+	}
+	// sort alphabetically
+	return s[i].Name < s[j].Name
+}
+
+func (s FlowSchemaSequence) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}