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conditions.go
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conditions.go
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// Copyright The HTNN 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 v1
import (
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
type ConditionType string
const (
ConditionAccepted ConditionType = "Accepted"
)
type ConditionReason string
const (
ReasonAccepted ConditionReason = "Accepted"
ReasonInvalid ConditionReason = "Invalid"
)
func needUpdateCondition(a, b metav1.Condition) bool {
return (a.Status != b.Status) ||
(a.Reason != b.Reason) ||
(a.Message != b.Message) ||
(a.ObservedGeneration != b.ObservedGeneration)
}
func addOrUpdateCondition(conditions []metav1.Condition, one metav1.Condition) ([]metav1.Condition, bool) {
add := true
changed := false
for i, cond := range conditions {
if cond.Type == one.Type {
add = false
if needUpdateCondition(cond, one) {
changed = true
conditions[i].Status = one.Status
conditions[i].Reason = one.Reason
conditions[i].Message = one.Message
conditions[i].ObservedGeneration = one.ObservedGeneration
conditions[i].LastTransitionTime = one.LastTransitionTime
break
}
}
}
if add {
return append(conditions, one), true
}
return conditions, changed
}
func addOrUpdateAcceptedCondition(conditions []metav1.Condition,
observedGeneration int64, reason ConditionReason, msg ...string) ([]metav1.Condition, bool) {
c := metav1.Condition{
Type: string(ConditionAccepted),
Reason: string(reason),
LastTransitionTime: metav1.NewTime(time.Now()),
ObservedGeneration: observedGeneration,
}
switch reason {
case ReasonAccepted:
c.Status = metav1.ConditionTrue
c.Message = "The resource has been accepted"
case ReasonInvalid:
c.Status = metav1.ConditionFalse
if len(msg) > 0 {
c.Message = msg[0]
} else {
c.Message = "The resource is invalid"
}
}
return addOrUpdateCondition(conditions, c)
}