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76 lines
3.3 KiB
Go
76 lines
3.3 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package options provides the scheduler flags
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package options
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import (
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"net"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/master/ports"
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"k8s.io/kubernetes/plugin/pkg/scheduler/factory"
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"github.com/spf13/pflag"
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)
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// SchedulerServer has all the context and params needed to run a Scheduler
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type SchedulerServer struct {
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Port int
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Address net.IP
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AlgorithmProvider string
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PolicyConfigFile string
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EnableProfiling bool
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Master string
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Kubeconfig string
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BindPodsQPS float32
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BindPodsBurst int
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KubeAPIQPS float32
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KubeAPIBurst int
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SchedulerName string
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}
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// NewSchedulerServer creates a new SchedulerServer with default parameters
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func NewSchedulerServer() *SchedulerServer {
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s := SchedulerServer{
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Port: ports.SchedulerPort,
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Address: net.ParseIP("0.0.0.0"),
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AlgorithmProvider: factory.DefaultProvider,
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BindPodsQPS: 50.0,
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BindPodsBurst: 100,
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KubeAPIQPS: 50.0,
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KubeAPIBurst: 100,
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SchedulerName: api.DefaultSchedulerName,
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}
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return &s
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}
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// AddFlags adds flags for a specific SchedulerServer to the specified FlagSet
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func (s *SchedulerServer) AddFlags(fs *pflag.FlagSet) {
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fs.IntVar(&s.Port, "port", s.Port, "The port that the scheduler's http service runs on")
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fs.IPVar(&s.Address, "address", s.Address, "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
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fs.StringVar(&s.AlgorithmProvider, "algorithm-provider", s.AlgorithmProvider, "The scheduling algorithm provider to use, one of: "+factory.ListAlgorithmProviders())
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fs.StringVar(&s.PolicyConfigFile, "policy-config-file", s.PolicyConfigFile, "File with scheduler policy configuration")
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fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
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fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
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fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization and master location information.")
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fs.Float32Var(&s.BindPodsQPS, "bind-pods-qps", s.BindPodsQPS, "Number of bindings per second scheduler is allowed to continuously make")
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fs.IntVar(&s.BindPodsBurst, "bind-pods-burst", s.BindPodsBurst, "Number of bindings per second scheduler is allowed to make during bursts")
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fs.Float32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
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fs.IntVar(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
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fs.StringVar(&s.SchedulerName, "scheduler-name", s.SchedulerName, "Name of the scheduler, used to select which pods will be processed by this scheduler, based on pod's annotation with key 'scheduler.alpha.kubernetes.io/name'")
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}
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