mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 13:29:11 +01:00
56 lines
1.7 KiB
Go
56 lines
1.7 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 descheduler
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import (
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"fmt"
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"io/ioutil"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/klog/v2"
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"sigs.k8s.io/descheduler/pkg/api"
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"sigs.k8s.io/descheduler/pkg/api/v1alpha1"
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"sigs.k8s.io/descheduler/pkg/descheduler/scheme"
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)
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func LoadPolicyConfig(policyConfigFile string) (*api.DeschedulerPolicy, error) {
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if policyConfigFile == "" {
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klog.V(1).InfoS("Policy config file not specified")
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return nil, nil
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}
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policy, err := ioutil.ReadFile(policyConfigFile)
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if err != nil {
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return nil, fmt.Errorf("failed to read policy config file %q: %+v", policyConfigFile, err)
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}
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versionedPolicy := &v1alpha1.DeschedulerPolicy{}
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decoder := scheme.Codecs.UniversalDecoder(v1alpha1.SchemeGroupVersion)
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if err := runtime.DecodeInto(decoder, policy, versionedPolicy); err != nil {
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return nil, fmt.Errorf("failed decoding descheduler's policy config %q: %v", policyConfigFile, err)
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}
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internalPolicy := &api.DeschedulerPolicy{}
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if err := scheme.Scheme.Convert(versionedPolicy, internalPolicy, nil); err != nil {
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return nil, fmt.Errorf("failed converting versioned policy to internal policy version: %v", err)
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}
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return internalPolicy, nil
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}
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