mirror of
https://github.com/crazy-max/diun.git
synced 2024-12-23 03:48:00 +00:00
120 lines
4.2 KiB
Go
120 lines
4.2 KiB
Go
/*
|
|
Copyright 2020 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 meta
|
|
|
|
import (
|
|
"time"
|
|
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
)
|
|
|
|
// SetStatusCondition sets the corresponding condition in conditions to newCondition and returns true
|
|
// if the conditions are changed by this call.
|
|
// conditions must be non-nil.
|
|
// 1. if the condition of the specified type already exists (all fields of the existing condition are updated to
|
|
// newCondition, LastTransitionTime is set to now if the new status differs from the old status)
|
|
// 2. if a condition of the specified type does not exist (LastTransitionTime is set to now() if unset, and newCondition is appended)
|
|
func SetStatusCondition(conditions *[]metav1.Condition, newCondition metav1.Condition) (changed bool) {
|
|
if conditions == nil {
|
|
return false
|
|
}
|
|
existingCondition := FindStatusCondition(*conditions, newCondition.Type)
|
|
if existingCondition == nil {
|
|
if newCondition.LastTransitionTime.IsZero() {
|
|
newCondition.LastTransitionTime = metav1.NewTime(time.Now())
|
|
}
|
|
*conditions = append(*conditions, newCondition)
|
|
return true
|
|
}
|
|
|
|
if existingCondition.Status != newCondition.Status {
|
|
existingCondition.Status = newCondition.Status
|
|
if !newCondition.LastTransitionTime.IsZero() {
|
|
existingCondition.LastTransitionTime = newCondition.LastTransitionTime
|
|
} else {
|
|
existingCondition.LastTransitionTime = metav1.NewTime(time.Now())
|
|
}
|
|
changed = true
|
|
}
|
|
|
|
if existingCondition.Reason != newCondition.Reason {
|
|
existingCondition.Reason = newCondition.Reason
|
|
changed = true
|
|
}
|
|
if existingCondition.Message != newCondition.Message {
|
|
existingCondition.Message = newCondition.Message
|
|
changed = true
|
|
}
|
|
if existingCondition.ObservedGeneration != newCondition.ObservedGeneration {
|
|
existingCondition.ObservedGeneration = newCondition.ObservedGeneration
|
|
changed = true
|
|
}
|
|
|
|
return changed
|
|
}
|
|
|
|
// RemoveStatusCondition removes the corresponding conditionType from conditions if present. Returns
|
|
// true if it was present and got removed.
|
|
// conditions must be non-nil.
|
|
func RemoveStatusCondition(conditions *[]metav1.Condition, conditionType string) (removed bool) {
|
|
if conditions == nil || len(*conditions) == 0 {
|
|
return false
|
|
}
|
|
newConditions := make([]metav1.Condition, 0, len(*conditions)-1)
|
|
for _, condition := range *conditions {
|
|
if condition.Type != conditionType {
|
|
newConditions = append(newConditions, condition)
|
|
}
|
|
}
|
|
|
|
removed = len(*conditions) != len(newConditions)
|
|
*conditions = newConditions
|
|
|
|
return removed
|
|
}
|
|
|
|
// FindStatusCondition finds the conditionType in conditions.
|
|
func FindStatusCondition(conditions []metav1.Condition, conditionType string) *metav1.Condition {
|
|
for i := range conditions {
|
|
if conditions[i].Type == conditionType {
|
|
return &conditions[i]
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// IsStatusConditionTrue returns true when the conditionType is present and set to `metav1.ConditionTrue`
|
|
func IsStatusConditionTrue(conditions []metav1.Condition, conditionType string) bool {
|
|
return IsStatusConditionPresentAndEqual(conditions, conditionType, metav1.ConditionTrue)
|
|
}
|
|
|
|
// IsStatusConditionFalse returns true when the conditionType is present and set to `metav1.ConditionFalse`
|
|
func IsStatusConditionFalse(conditions []metav1.Condition, conditionType string) bool {
|
|
return IsStatusConditionPresentAndEqual(conditions, conditionType, metav1.ConditionFalse)
|
|
}
|
|
|
|
// IsStatusConditionPresentAndEqual returns true when conditionType is present and equal to status.
|
|
func IsStatusConditionPresentAndEqual(conditions []metav1.Condition, conditionType string, status metav1.ConditionStatus) bool {
|
|
for _, condition := range conditions {
|
|
if condition.Type == conditionType {
|
|
return condition.Status == status
|
|
}
|
|
}
|
|
return false
|
|
}
|