pcm-coordinator/pkg/scheduler/common.go

73 lines
1.9 KiB
Go

/*
Copyright (c) [2023] [pcm]
[pcm-coordinator] is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:
http://license.coscl.org.cn/MulanPSL2
THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPaRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
*/
package scheduler
import (
"gitlink.org.cn/jcce-pcm/pcm-coordinator/api/pkg/response"
"gitlink.org.cn/jcce-pcm/pcm-coordinator/pkg/scheduler/algorithm/providerPricing"
"gorm.io/gorm"
"math/rand"
"time"
)
type scheduleService interface {
getNewStructForDb(task *response.TaskInfo, resource string, participantId int64) (interface{}, error)
pickOptimalStrategy(task *providerPricing.Task, providers ...*providerPricing.Provider) (*providerPricing.Strategy, error)
genTaskAndProviders(task *response.TaskInfo, dbEngin *gorm.DB) (*providerPricing.Task, []*providerPricing.Provider)
}
type providerParams struct {
Disk_avail float64
Mem_avail float64
Cpu_avail float64
Participant_id int64
}
// 求交集
func intersect(slice1, slice2 []int64) []int64 {
m := make(map[int64]int)
nn := make([]int64, 0)
for _, v := range slice1 {
m[v]++
}
for _, v := range slice2 {
times, _ := m[v]
if times == 1 {
nn = append(nn, v)
}
}
return nn
}
func micsSlice(origin []int64, count int) []int64 {
tmpOrigin := make([]int64, len(origin))
copy(tmpOrigin, origin)
//一定要seed
rand.Seed(time.Now().Unix())
rand.Shuffle(len(tmpOrigin), func(i int, j int) {
tmpOrigin[i], tmpOrigin[j] = tmpOrigin[j], tmpOrigin[i]
})
result := make([]int64, 0, count)
for index, value := range tmpOrigin {
if index == count {
break
}
result = append(result, value)
}
return result
}