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options.go
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options.go
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// Copyright 2018 The Kubeflow 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 options
import (
"flag"
"time"
v1 "k8s.io/api/core/v1"
)
const DefaultResyncPeriod = 12 * time.Hour
// ServerOption is the main context object for the controller manager.
type ServerOption struct {
Kubeconfig string
MasterURL string
Threadiness int
PrintVersion bool
JSONLogFormat bool
EnableGangScheduling bool
GangSchedulerName string
Namespace string
MonitoringPort int
ResyncPeriod time.Duration
// QPS indicates the maximum QPS to the master from this client.
// If it's zero, the created RESTClient will use DefaultQPS: 5
QPS int
// Maximum burst for throttle.
// If it's zero, the created RESTClient will use DefaultBurst: 10.
Burst int
}
// NewServerOption creates a new CMServer with a default config.
func NewServerOption() *ServerOption {
s := ServerOption{}
return &s
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet.
func (s *ServerOption) AddFlags(fs *flag.FlagSet) {
fs.StringVar(&s.Kubeconfig, "kubeconfig", "", "The path of kubeconfig file")
fs.StringVar(&s.MasterURL, "master", "",
`The url of the Kubernetes API server,
will overrides any value in kubeconfig, only required if out-of-cluster.`)
fs.StringVar(&s.Namespace, "namespace", v1.NamespaceAll,
`The namespace to monitor tfjobs. If unset, it monitors all namespaces cluster-wide.
If set, it only monitors tfjobs in the given namespace.`)
fs.IntVar(&s.Threadiness, "threadiness", 1,
`How many threads to process the main logic`)
fs.BoolVar(&s.PrintVersion, "version", false, "Show version and quit")
fs.BoolVar(&s.JSONLogFormat, "json-log-format", true,
"Set true to use json style log format. Set false to use plaintext style log format")
fs.BoolVar(&s.EnableGangScheduling, "enable-gang-scheduling", false, "Set true to enable gang scheduling")
fs.StringVar(&s.GangSchedulerName, "gang-scheduler-name", "volcano", "The scheduler to gang-schedule tfjobs, defaults to volcano")
fs.IntVar(&s.MonitoringPort, "monitoring-port", 8443,
`Endpoint port for displaying monitoring metrics`)
fs.DurationVar(&s.ResyncPeriod, "resyc-period", DefaultResyncPeriod, "Resync interval of the tf-operator")
fs.IntVar(&s.QPS, "qps", 5, "QPS indicates the maximum QPS to the master from this client.")
fs.IntVar(&s.Burst, "burst", 10, "Maximum burst for throttle.")
}