/
helper.go
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/
helper.go
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// Copyright (c) 2018 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 helper
import (
gardencorev1alpha1 "github.com/gardener/gardener/pkg/apis/core/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
)
// Now determines the current metav1.Time.
var Now = metav1.Now
// InitCondition initializes a new Condition with an Unknown status.
func InitCondition(conditionType gardencorev1alpha1.ConditionType) gardencorev1alpha1.Condition {
return gardencorev1alpha1.Condition{
Type: conditionType,
Status: gardencorev1alpha1.ConditionUnknown,
Reason: "ConditionInitialized",
Message: "The condition has been initialized but its semantic check has not been performed yet.",
LastTransitionTime: Now(),
LastUpdateTime: Now(),
}
}
// GetCondition returns the condition with the given <conditionType> out of the list of <conditions>.
// In case the required type could not be found, it returns nil.
func GetCondition(conditions []gardencorev1alpha1.Condition, conditionType gardencorev1alpha1.ConditionType) *gardencorev1alpha1.Condition {
for _, condition := range conditions {
if condition.Type == conditionType {
c := condition
return &c
}
}
return nil
}
// GetOrInitCondition tries to retrieve the condition with the given condition type from the given conditions.
// If the condition could not be found, it returns an initialized condition of the given type.
func GetOrInitCondition(conditions []gardencorev1alpha1.Condition, conditionType gardencorev1alpha1.ConditionType) gardencorev1alpha1.Condition {
if condition := GetCondition(conditions, conditionType); condition != nil {
return *condition
}
return InitCondition(conditionType)
}
// UpdatedCondition updates the properties of one specific condition.
func UpdatedCondition(condition gardencorev1alpha1.Condition, status gardencorev1alpha1.ConditionStatus, reason, message string, codes ...gardencorev1alpha1.ErrorCode) gardencorev1alpha1.Condition {
builder, err := NewConditionBuilder(condition.Type)
utilruntime.Must(err)
newCondition, _ := builder.
WithOldCondition(condition).
WithStatus(status).
WithReason(reason).
WithMessage(message).
WithCodes(codes...).
Build()
return newCondition
}
// MergeConditions merges the given <oldConditions> with the <newConditions>. Existing conditions are superseded by
// the <newConditions> (depending on the condition type).
func MergeConditions(oldConditions []gardencorev1alpha1.Condition, newConditions ...gardencorev1alpha1.Condition) []gardencorev1alpha1.Condition {
var (
out = make([]gardencorev1alpha1.Condition, 0, len(oldConditions)+len(newConditions))
typeToIndex = make(map[gardencorev1alpha1.ConditionType]int, len(oldConditions))
)
for i, condition := range oldConditions {
out = append(out, condition)
typeToIndex[condition.Type] = i
}
for _, condition := range newConditions {
if index, ok := typeToIndex[condition.Type]; ok {
out[index] = condition
continue
}
out = append(out, condition)
}
return out
}