mirror of https://github.com/k3s-io/k3s
77 lines
4.1 KiB
Go
77 lines
4.1 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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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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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/apis/componentconfig"
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"k8s.io/kubernetes/pkg/apis/componentconfig/v1alpha1"
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"k8s.io/kubernetes/pkg/client/leaderelection"
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"k8s.io/kubernetes/pkg/util/config"
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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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componentconfig.KubeSchedulerConfiguration
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// Master is the address of the Kubernetes API server (overrides any
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// value in kubeconfig).
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Master string
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// Kubeconfig is Path to kubeconfig file with authorization and master
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// location information.
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Kubeconfig string
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// Dynamic conifguration for scheduler features.
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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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versioned := &v1alpha1.KubeSchedulerConfiguration{}
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api.Scheme.Default(versioned)
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cfg := componentconfig.KubeSchedulerConfiguration{}
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api.Scheme.Convert(versioned, &cfg, nil)
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cfg.LeaderElection.LeaderElect = true
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s := SchedulerServer{
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KubeSchedulerConfiguration: cfg,
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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.Int32Var(&s.Port, "port", s.Port, "The port that the scheduler's http service runs on")
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fs.StringVar(&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.BoolVar(&s.EnableContentionProfiling, "contention-profiling", false, "Enable lock contention profiling, if profiling is enabled")
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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.StringVar(&s.ContentType, "kube-api-content-type", s.ContentType, "Content type of requests sent to apiserver.")
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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.Int32Var(&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 \"spec.SchedulerName\".")
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fs.IntVar(&s.HardPodAffinitySymmetricWeight, "hard-pod-affinity-symmetric-weight", api.DefaultHardPodAffinitySymmetricWeight,
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"RequiredDuringScheduling affinity is not symmetric, but there is an implicit PreferredDuringScheduling affinity rule corresponding "+
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"to every RequiredDuringScheduling affinity rule. --hard-pod-affinity-symmetric-weight represents the weight of implicit PreferredDuringScheduling affinity rule.")
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fs.StringVar(&s.FailureDomains, "failure-domains", api.DefaultFailureDomains, "Indicate the \"all topologies\" set for an empty topologyKey when it's used for PreferredDuringScheduling pod anti-affinity.")
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leaderelection.BindFlags(&s.LeaderElection, fs)
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config.DefaultFeatureGate.AddFlag(fs)
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}
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