mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 13:29:11 +01:00
63 lines
2.9 KiB
Go
63 lines
2.9 KiB
Go
/*
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Copyright 2017 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 descheduler flags
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package options
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import (
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clientset "k8s.io/client-go/kubernetes"
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// install the componentconfig api so we get its defaulting and conversion functions
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"sigs.k8s.io/descheduler/pkg/apis/componentconfig"
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_ "sigs.k8s.io/descheduler/pkg/apis/componentconfig/install"
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"sigs.k8s.io/descheduler/pkg/apis/componentconfig/v1alpha1"
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deschedulerscheme "sigs.k8s.io/descheduler/pkg/descheduler/scheme"
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"github.com/spf13/pflag"
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)
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// DeschedulerServer configuration
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type DeschedulerServer struct {
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componentconfig.DeschedulerConfiguration
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Client clientset.Interface
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}
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// NewDeschedulerServer creates a new DeschedulerServer with default parameters
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func NewDeschedulerServer() *DeschedulerServer {
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versioned := v1alpha1.DeschedulerConfiguration{}
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deschedulerscheme.Scheme.Default(&versioned)
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cfg := componentconfig.DeschedulerConfiguration{}
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deschedulerscheme.Scheme.Convert(versioned, &cfg, nil)
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s := DeschedulerServer{
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DeschedulerConfiguration: 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 (rs *DeschedulerServer) AddFlags(fs *pflag.FlagSet) {
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fs.DurationVar(&rs.DeschedulingInterval, "descheduling-interval", rs.DeschedulingInterval, "time interval between two consecutive descheduler executions")
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fs.StringVar(&rs.KubeconfigFile, "kubeconfig", rs.KubeconfigFile, "File with kube configuration.")
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fs.StringVar(&rs.PolicyConfigFile, "policy-config-file", rs.PolicyConfigFile, "File with descheduler policy configuration.")
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fs.BoolVar(&rs.DryRun, "dry-run", rs.DryRun, "execute descheduler in dry run mode.")
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// node-selector query causes descheduler to run only on nodes that matches the node labels in the query
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fs.StringVar(&rs.NodeSelector, "node-selector", rs.NodeSelector, "Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)")
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// max-no-pods-to-evict limits the maximum number of pods to be evicted per node by descheduler.
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fs.IntVar(&rs.MaxNoOfPodsToEvictPerNode, "max-pods-to-evict-per-node", rs.MaxNoOfPodsToEvictPerNode, "Limits the maximum number of pods to be evicted per node by descheduler")
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// evict-local-storage-pods allows eviction of pods that are using local storage. This is false by default.
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fs.BoolVar(&rs.EvictLocalStoragePods, "evict-local-storage-pods", rs.EvictLocalStoragePods, "Enables evicting pods using local storage by descheduler")
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}
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