mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 05:14:13 +01:00
69 lines
1.8 KiB
Go
69 lines
1.8 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 app implements a Server object for running the descheduler.
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package app
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import (
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"flag"
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"io"
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"sigs.k8s.io/descheduler/cmd/descheduler/app/options"
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"sigs.k8s.io/descheduler/pkg/descheduler"
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"github.com/spf13/cobra"
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aflag "k8s.io/component-base/cli/flag"
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"k8s.io/klog/v2"
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)
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// NewDeschedulerCommand creates a *cobra.Command object with default parameters
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func NewDeschedulerCommand(out io.Writer) *cobra.Command {
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s, err := options.NewDeschedulerServer()
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if err != nil {
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klog.ErrorS(err, "unable to initialize server")
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}
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cmd := &cobra.Command{
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Use: "descheduler",
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Short: "descheduler",
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Long: `The descheduler evicts pods which may be bound to less desired nodes`,
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Run: func(cmd *cobra.Command, args []string) {
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s.Logs.LogFormat = s.Logging.Format
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s.Logs.Apply()
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if err := s.Validate(); err != nil {
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klog.ErrorS(err, "failed to validate server configuration")
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}
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err := Run(s)
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if err != nil {
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klog.ErrorS(err, "descheduler server")
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}
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},
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}
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cmd.SetOut(out)
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flags := cmd.Flags()
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flags.SetNormalizeFunc(aflag.WordSepNormalizeFunc)
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flags.AddGoFlagSet(flag.CommandLine)
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s.AddFlags(flags)
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return cmd
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}
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func Run(rs *options.DeschedulerServer) error {
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return descheduler.Run(rs)
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}
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