82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
/*
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Copyright 2018 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 scheduler
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import (
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"fmt"
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"io/ioutil"
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"strings"
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yaml "gopkg.in/yaml.v2"
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"volcano.sh/volcano/pkg/scheduler/conf"
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"volcano.sh/volcano/pkg/scheduler/framework"
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"volcano.sh/volcano/pkg/scheduler/plugins"
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)
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var defaultSchedulerConf = `
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actions: "enqueue, allocate, backfill"
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tiers:
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- plugins:
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- name: priority
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- name: gang
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- plugins:
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- name: drf
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- name: predicates
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- name: proportion
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- name: nodeorder
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`
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func loadSchedulerConf(confStr string) ([]framework.Action, []conf.Tier, []conf.Configuration, error) {
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var actions []framework.Action
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schedulerConf := &conf.SchedulerConfiguration{}
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buf := make([]byte, len(confStr))
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copy(buf, confStr)
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if err := yaml.Unmarshal(buf, schedulerConf); err != nil {
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return nil, nil, nil, err
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}
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// Set default settings for each plugin if not set
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for i, tier := range schedulerConf.Tiers {
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for j := range tier.Plugins {
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plugins.ApplyPluginConfDefaults(&schedulerConf.Tiers[i].Plugins[j])
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}
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}
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actionNames := strings.Split(schedulerConf.Actions, ",")
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for _, actionName := range actionNames {
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if action, found := framework.GetAction(strings.TrimSpace(actionName)); found {
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actions = append(actions, action)
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} else {
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return nil, nil, nil, fmt.Errorf("failed to found Action %s, ignore it", actionName)
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}
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}
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return actions, schedulerConf.Tiers, schedulerConf.Configurations, nil
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}
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func readSchedulerConf(confPath string) (string, error) {
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dat, err := ioutil.ReadFile(confPath)
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if err != nil {
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return "", err
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}
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return string(dat), nil
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}
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