defaults.go

Documentation: k8s.io/kubernetes/pkg/apis/flowcontrol/v1beta2

     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 v1beta2
    18  
    19  import (
    20  	"k8s.io/api/flowcontrol/v1beta2"
    21  )
    22  
    23  // Default settings for flow-schema
    24  const (
    25  	FlowSchemaDefaultMatchingPrecedence int32 = 1000
    26  )
    27  
    28  // Default settings for priority-level-configuration
    29  const (
    30  	PriorityLevelConfigurationDefaultHandSize                 int32 = 8
    31  	PriorityLevelConfigurationDefaultQueues                   int32 = 64
    32  	PriorityLevelConfigurationDefaultQueueLengthLimit         int32 = 50
    33  	PriorityLevelConfigurationDefaultAssuredConcurrencyShares int32 = 30
    34  )
    35  
    36  // SetDefaults_FlowSchema sets default values for flow schema
    37  func SetDefaults_FlowSchemaSpec(spec *v1beta2.FlowSchemaSpec) {
    38  	if spec.MatchingPrecedence == 0 {
    39  		spec.MatchingPrecedence = FlowSchemaDefaultMatchingPrecedence
    40  	}
    41  }
    42  
    43  func SetDefaults_ExemptPriorityLevelConfiguration(eplc *v1beta2.ExemptPriorityLevelConfiguration) {
    44  	if eplc.NominalConcurrencyShares == nil {
    45  		eplc.NominalConcurrencyShares = new(int32)
    46  		*eplc.NominalConcurrencyShares = 0
    47  	}
    48  	if eplc.LendablePercent == nil {
    49  		eplc.LendablePercent = new(int32)
    50  		*eplc.LendablePercent = 0
    51  	}
    52  }
    53  
    54  func SetDefaults_LimitedPriorityLevelConfiguration(lplc *v1beta2.LimitedPriorityLevelConfiguration) {
    55  	if lplc.AssuredConcurrencyShares == 0 {
    56  		lplc.AssuredConcurrencyShares = PriorityLevelConfigurationDefaultAssuredConcurrencyShares
    57  	}
    58  	if lplc.LendablePercent == nil {
    59  		lplc.LendablePercent = new(int32)
    60  		*lplc.LendablePercent = 0
    61  	}
    62  }
    63  
    64  // SetDefaults_FlowSchema sets default values for flow schema
    65  func SetDefaults_QueuingConfiguration(cfg *v1beta2.QueuingConfiguration) {
    66  	if cfg.HandSize == 0 {
    67  		cfg.HandSize = PriorityLevelConfigurationDefaultHandSize
    68  	}
    69  	if cfg.Queues == 0 {
    70  		cfg.Queues = PriorityLevelConfigurationDefaultQueues
    71  	}
    72  	if cfg.QueueLengthLimit == 0 {
    73  		cfg.QueueLengthLimit = PriorityLevelConfigurationDefaultQueueLengthLimit
    74  	}
    75  }
    76
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