k8s.io/apiserver@v0.31.1/pkg/util/flowcontrol/fairqueuing/testing/no-restraint.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 testing
    18  
    19  import (
    20  	"context"
    21  
    22  	"k8s.io/apiserver/pkg/util/flowcontrol/debug"
    23  	fq "k8s.io/apiserver/pkg/util/flowcontrol/fairqueuing"
    24  	"k8s.io/apiserver/pkg/util/flowcontrol/metrics"
    25  	fcrequest "k8s.io/apiserver/pkg/util/flowcontrol/request"
    26  )
    27  
    28  // NewNoRestraintFactory makes a QueueSetFactory that produces
    29  // QueueSets that exert no restraint --- every request is dispatched
    30  // for execution as soon as it arrives.
    31  func NewNoRestraintFactory() fq.QueueSetFactory {
    32  	return noRestraintFactory{}
    33  }
    34  
    35  type noRestraintFactory struct{}
    36  
    37  type noRestraintCompleter struct{}
    38  
    39  type noRestraint struct{}
    40  
    41  type noRestraintRequest struct{}
    42  
    43  func (noRestraintFactory) BeginConstruction(fq.QueuingConfig, metrics.RatioedGaugePair, metrics.RatioedGauge, metrics.Gauge) (fq.QueueSetCompleter, error) {
    44  	return noRestraintCompleter{}, nil
    45  }
    46  
    47  func (noRestraintCompleter) Complete(dCfg fq.DispatchingConfig) fq.QueueSet {
    48  	return noRestraint{}
    49  }
    50  
    51  func (noRestraint) BeginConfigChange(qCfg fq.QueuingConfig) (fq.QueueSetCompleter, error) {
    52  	return noRestraintCompleter{}, nil
    53  }
    54  
    55  func (noRestraint) IsIdle() bool {
    56  	return false
    57  }
    58  
    59  func (noRestraint) StartRequest(ctx context.Context, workEstimate *fcrequest.WorkEstimate, hashValue uint64, flowDistinguisher, fsName string, descr1, descr2 interface{}, queueNoteFn fq.QueueNoteFn) (fq.Request, bool) {
    60  	return noRestraintRequest{}, false
    61  }
    62  
    63  func (noRestraint) Dump(bool) debug.QueueSetDump {
    64  	return debug.QueueSetDump{}
    65  }
    66  
    67  func (noRestraintRequest) Finish(execute func()) (idle bool) {
    68  	execute()
    69  	return false
    70  }