mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 13:29:11 +01:00
89 lines
2.5 KiB
Go
89 lines
2.5 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 rescheduler
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import (
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"fmt"
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//"os"
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//"path/filepath"
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//"k8s.io/apimachinery/pkg/util/yaml"
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"github.com/aveshagarwal/rescheduler/cmd/rescheduler/app/options"
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//"github.com/aveshagarwal/rescheduler/pkg/api/v1alpha1"
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"github.com/aveshagarwal/rescheduler/pkg/rescheduler/client"
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eutils "github.com/aveshagarwal/rescheduler/pkg/rescheduler/evictions/utils"
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nodeutil "github.com/aveshagarwal/rescheduler/pkg/rescheduler/node"
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reschedulerscheme "github.com/aveshagarwal/rescheduler/pkg/rescheduler/scheme"
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"github.com/aveshagarwal/rescheduler/pkg/rescheduler/strategies"
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)
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func Run(rs *options.ReschedulerServer) error {
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fmt.Printf("\n\nrescheduler: all known types=%#v\n\n", reschedulerscheme.Scheme.AllKnownTypes())
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rsclient, err := client.CreateClient(rs.KubeconfigFile)
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if err != nil {
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return err
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}
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rs.Client = rsclient
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//reschedulerPolicy := v1alpha1.ReschedulerPolicy{}
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//var reschedulerPolicy *api.ReschedulerPolicy
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/*if len(rs.PolicyConfigFile) > 0 {
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filename, err := filepath.Abs(rs.PolicyConfigFile)
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if err != nil {
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return err
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}
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fd, err := os.Open(filename)
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if err != nil {
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return err
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}
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if err := yaml.NewYAMLOrJSONDecoder(fd, 4096).Decode(&reschedulerPolicy); err != nil {
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return err
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}
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}*/
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reschedulerPolicy, err := LoadPolicyConfig(rs.PolicyConfigFile)
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if err != nil {
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return err
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}
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if reschedulerPolicy != nil {
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fmt.Printf("\nreschedulerPolicy: %#v\n", reschedulerPolicy)
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} else {
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fmt.Printf("\nreschedulerPolicy is nil\n")
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}
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evictionPolicyGroupVersion, err := eutils.SupportEviction(rs.Client)
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if err != nil || len(evictionPolicyGroupVersion) == 0 {
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return err
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}
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stopChannel := make(chan struct{})
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nodes, err := nodeutil.ReadyNodes(rs.Client, stopChannel)
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if err != nil {
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return err
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}
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strategies.RemoveDuplicatePods(rs.Client, evictionPolicyGroupVersion, nodes)
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strategies.LowNodeUtilization(rs.Client, evictionPolicyGroupVersion, nodes)
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return nil
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}
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