k8s.io/apiserver@v0.31.1/pkg/util/apihelpers/helpers.go (about)

     1  /*
     2  Copyright 2019 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package apihelpers
    18  
    19  import (
    20  	"sort"
    21  
    22  	flowcontrol "k8s.io/api/flowcontrol/v1"
    23  )
    24  
    25  // SetFlowSchemaCondition sets conditions.
    26  func SetFlowSchemaCondition(flowSchema *flowcontrol.FlowSchema, newCondition flowcontrol.FlowSchemaCondition) {
    27  	existingCondition := GetFlowSchemaConditionByType(flowSchema, newCondition.Type)
    28  	if existingCondition == nil {
    29  		flowSchema.Status.Conditions = append(flowSchema.Status.Conditions, newCondition)
    30  		return
    31  	}
    32  
    33  	if existingCondition.Status != newCondition.Status {
    34  		existingCondition.Status = newCondition.Status
    35  		existingCondition.LastTransitionTime = newCondition.LastTransitionTime
    36  	}
    37  
    38  	existingCondition.Reason = newCondition.Reason
    39  	existingCondition.Message = newCondition.Message
    40  }
    41  
    42  // GetFlowSchemaConditionByType gets conditions.
    43  func GetFlowSchemaConditionByType(flowSchema *flowcontrol.FlowSchema, conditionType flowcontrol.FlowSchemaConditionType) *flowcontrol.FlowSchemaCondition {
    44  	for i := range flowSchema.Status.Conditions {
    45  		if flowSchema.Status.Conditions[i].Type == conditionType {
    46  			return &flowSchema.Status.Conditions[i]
    47  		}
    48  	}
    49  	return nil
    50  }
    51  
    52  // SetPriorityLevelConfigurationCondition sets conditions.
    53  func SetPriorityLevelConfigurationCondition(priorityLevel *flowcontrol.PriorityLevelConfiguration, newCondition flowcontrol.PriorityLevelConfigurationCondition) {
    54  	existingCondition := GetPriorityLevelConfigurationConditionByType(priorityLevel, newCondition.Type)
    55  	if existingCondition == nil {
    56  		priorityLevel.Status.Conditions = append(priorityLevel.Status.Conditions, newCondition)
    57  		return
    58  	}
    59  
    60  	if existingCondition.Status != newCondition.Status {
    61  		existingCondition.Status = newCondition.Status
    62  		existingCondition.LastTransitionTime = newCondition.LastTransitionTime
    63  	}
    64  
    65  	existingCondition.Reason = newCondition.Reason
    66  	existingCondition.Message = newCondition.Message
    67  }
    68  
    69  // GetPriorityLevelConfigurationConditionByType gets conditions.
    70  func GetPriorityLevelConfigurationConditionByType(priorityLevel *flowcontrol.PriorityLevelConfiguration, conditionType flowcontrol.PriorityLevelConfigurationConditionType) *flowcontrol.PriorityLevelConfigurationCondition {
    71  	for i := range priorityLevel.Status.Conditions {
    72  		if priorityLevel.Status.Conditions[i].Type == conditionType {
    73  			return &priorityLevel.Status.Conditions[i]
    74  		}
    75  	}
    76  	return nil
    77  }
    78  
    79  var _ sort.Interface = FlowSchemaSequence{}
    80  
    81  // FlowSchemaSequence holds sorted set of pointers to FlowSchema objects.
    82  // FlowSchemaSequence implements `sort.Interface`
    83  type FlowSchemaSequence []*flowcontrol.FlowSchema
    84  
    85  func (s FlowSchemaSequence) Len() int {
    86  	return len(s)
    87  }
    88  
    89  func (s FlowSchemaSequence) Less(i, j int) bool {
    90  	// the flow-schema w/ lower matching-precedence is prior
    91  	if ip, jp := s[i].Spec.MatchingPrecedence, s[j].Spec.MatchingPrecedence; ip != jp {
    92  		return ip < jp
    93  	}
    94  	// sort alphabetically
    95  	return s[i].Name < s[j].Name
    96  }
    97  
    98  func (s FlowSchemaSequence) Swap(i, j int) {
    99  	s[i], s[j] = s[j], s[i]
   100  }