github.com/kubewharf/katalyst-core@v0.5.3/cmd/katalyst-controller/app/options/overcommit.go (about)

     1  /*
     2  Copyright 2022 The Katalyst 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 options
    18  
    19  import (
    20  	"time"
    21  
    22  	cliflag "k8s.io/component-base/cli/flag"
    23  
    24  	"github.com/kubewharf/katalyst-core/pkg/config/controller"
    25  )
    26  
    27  const (
    28  	defaultNodeOvercommitSyncWorkers     = 1
    29  	defaultNodeOvercommitReconcilePeriod = 30 * time.Minute
    30  )
    31  
    32  // OvercommitOptions holds the configurations for overcommit.
    33  type OvercommitOptions struct {
    34  	NodeOvercommitOptions
    35  }
    36  
    37  // NodeOvercommitOptions holds the configurations for nodeOvercommitConfig controller.
    38  type NodeOvercommitOptions struct {
    39  	// numer of workers to sync overcommit config
    40  	SyncWorkers int
    41  
    42  	// time interval of reconcile overcommit config
    43  	ConfigReconcilePeriod time.Duration
    44  }
    45  
    46  // NewOvercommitOptions creates a new Options with a default config.
    47  func NewOvercommitOptions() *OvercommitOptions {
    48  	return &OvercommitOptions{}
    49  }
    50  
    51  // AddFlags adds flags to the specified FlagSet
    52  func (o *OvercommitOptions) AddFlags(fss *cliflag.NamedFlagSets) {
    53  	fs := fss.FlagSet("noc")
    54  
    55  	fs.IntVar(&o.SyncWorkers, "nodeovercommit-sync-workers", defaultNodeOvercommitSyncWorkers, "num of goroutines to sync nodeovercommitconfig")
    56  	fs.DurationVar(&o.ConfigReconcilePeriod, "nodeovercommit-reconcile-period", defaultNodeOvercommitReconcilePeriod, "Period for nodeovercommit controller to sync configs")
    57  }
    58  
    59  func (o *OvercommitOptions) ApplyTo(c *controller.OvercommitConfig) error {
    60  	c.Node.SyncWorkers = o.SyncWorkers
    61  	c.Node.ConfigReconcilePeriod = o.ConfigReconcilePeriod
    62  	return nil
    63  }
    64  
    65  func (o *OvercommitOptions) Config() (*controller.OvercommitConfig, error) {
    66  	c := &controller.OvercommitConfig{}
    67  	if err := o.ApplyTo(c); err != nil {
    68  		return nil, err
    69  	}
    70  	return c, nil
    71  }