Files
cloudpods/pkg/scheduler/data_manager/candidate_manager.go
2020-12-14 14:39:27 +08:00

408 lines
9.7 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package data_manager
import (
"fmt"
"time"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/utils"
"yunion.io/x/onecloud/pkg/scheduler/cache"
candidatecache "yunion.io/x/onecloud/pkg/scheduler/cache/candidate"
"yunion.io/x/onecloud/pkg/scheduler/core"
)
type CandidateGetArgs struct {
// ResType is candidate host_type
ResType string
RegionID string
ZoneID string
ManagerID string
HostTypes []string
}
type DataManager struct {
SyncCacheGroup cache.CacheGroup
CandidateGroup cache.CacheGroup
}
func NewDataManager(stopCh <-chan struct{}) *DataManager {
m := new(DataManager)
//m.SyncCacheGroup = synccache.NewSyncManager(stopCh)
m.CandidateGroup = candidatecache.NewCandidateManager(stopCh)
return m
}
func (m *DataManager) Run() {
//go m.SyncCacheGroup.Run()
go m.CandidateGroup.Run()
}
type CandidateManagerImplProvider interface {
LoadCandidates() ([]interface{}, error)
ReloadCandidates(ids []string) ([]interface{}, error)
ReloadAllCandidates() ([]interface{}, error)
GetCandidate(id string) (interface{}, error)
}
type HostCandidateManagerImplProvider struct {
dataManager *DataManager
}
func getCache(dataManager *DataManager, name string) (cache.Cache, error) {
candidate_cache, err := dataManager.CandidateGroup.Get(name)
if err != nil {
return nil, err
}
candidate_cache.WaitForReady()
return candidate_cache, nil
}
func (p *HostCandidateManagerImplProvider) LoadCandidates() ([]interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.HostCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.List(), nil
}
func (p *HostCandidateManagerImplProvider) ReloadCandidates(
ids []string) ([]interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.HostCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.Reload(ids)
}
func (p *HostCandidateManagerImplProvider) ReloadAllCandidates() ([]interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.HostCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.ReloadAll()
}
func (p *HostCandidateManagerImplProvider) GetCandidate(id string) (interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.HostCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.Get(id)
}
type BaremetalCandidateManagerImplProvider struct {
dataManager *DataManager
}
func (p *BaremetalCandidateManagerImplProvider) LoadCandidates() ([]interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.BaremetalCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.List(), nil
}
func (p *BaremetalCandidateManagerImplProvider) ReloadCandidates(
ids []string) ([]interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.BaremetalCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.Reload(ids)
}
func (p *BaremetalCandidateManagerImplProvider) ReloadAllCandidates() ([]interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.BaremetalCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.ReloadAll()
}
func (p *BaremetalCandidateManagerImplProvider) GetCandidate(id string) (interface{}, error) {
candidate_cache, err := getCache(p.dataManager, candidatecache.BaremetalCandidateCache)
if err != nil {
return nil, err
}
return candidate_cache.Get(id)
}
type CandidateManagerImpl struct {
provider CandidateManagerImplProvider
dataMap map[string][]interface{}
stopCh <-chan struct{}
lastLoadTime time.Time
}
func NewCandidateManagerImpl(provider CandidateManagerImplProvider, stopCh <-chan struct{},
) *CandidateManagerImpl {
return &CandidateManagerImpl{
provider: provider,
dataMap: make(map[string][]interface{}),
stopCh: stopCh,
}
}
func (impl *CandidateManagerImpl) GetCandidates() ([]interface{}, error) {
return impl.provider.LoadCandidates()
}
func (impl *CandidateManagerImpl) GetCandidate(id string) (interface{}, error) {
return impl.provider.GetCandidate(id)
}
func (impl *CandidateManagerImpl) Reload(ids []string) ([]interface{}, error) {
return impl.provider.ReloadCandidates(ids)
}
func (impl *CandidateManagerImpl) ReloadAll() ([]interface{}, error) {
return impl.provider.ReloadAllCandidates()
}
func (impl *CandidateManagerImpl) Run() {
}
type CandidateManager struct {
stopCh <-chan struct{}
dataManager *DataManager
impls map[string]*CandidateManagerImpl
}
func (cm *CandidateManager) GetCandidates(args CandidateGetArgs) ([]core.Candidater, error) {
impl, err := cm.getImpl(args.ResType)
if err != nil {
return nil, errors.Wrapf(err, "GetCandidates implement by resource type %s", args.ResType)
}
candidates, err := impl.GetCandidates()
if err != nil {
return nil, errors.Wrapf(err, "GetCandidates from implement")
}
result := []core.Candidater{}
matchZone := func(r core.Candidater, zoneId string) bool {
if zoneId != "" {
if r.Getter().Zone().GetId() == zoneId {
return true
}
return false
}
return true
}
matchRegion := func(r core.Candidater, regionId string) bool {
if regionId != "" {
region := r.Getter().Region()
if region == nil {
return false
}
if region.GetId() == regionId {
return true
}
return false
}
return true
}
matchCloudprovider := func(r core.Candidater, managerId string) bool {
if managerId != "" {
cloudProvier := r.Getter().Cloudprovider()
// r who belongs to Provider Onecloud doesn't have cloudprovider
if cloudProvier != nil && cloudProvier.GetId() == managerId {
return true
}
return false
}
return true
}
matchHostTypes := func(c core.Candidater, hostTypes []string) bool {
if len(hostTypes) == 0 {
return true
}
return utils.IsInStringArray(c.Getter().HostType(), hostTypes)
}
for _, c := range candidates {
r := c.(core.Candidater)
if !matchRegion(r, args.RegionID) {
continue
}
if !matchZone(r, args.ZoneID) {
continue
}
if !matchCloudprovider(r, args.ManagerID) {
continue
}
if !matchHostTypes(r, args.HostTypes) {
continue
}
result = append(result, r)
}
return result, nil
}
func (cm *CandidateManager) GetCandidatesByIds(resType string, ids []string) ([]core.Candidater, error) {
impl, err := cm.getImpl(resType)
if err != nil {
return nil, err
}
candidates := []core.Candidater{}
for _, id := range ids {
c, err2 := impl.GetCandidate(id)
if err2 != nil {
return nil, err2
}
candidates = append(candidates, c.(core.Candidater))
}
return candidates, nil
}
func (cm *CandidateManager) GetCandidate(id string, resType string) (interface{}, error) {
impl, err := cm.getImpl(resType)
if err != nil {
return nil, err
}
c, err := impl.GetCandidate(id)
if err != nil {
return nil, err
}
return c.(core.Candidater), nil
}
func (cm *CandidateManager) getImpl(resType string) (*CandidateManagerImpl, error) {
var (
impl *CandidateManagerImpl
ok bool
)
if impl, ok = cm.impls[resType]; !ok {
return nil, fmt.Errorf("Resource Type \"%v\" not supported", resType)
}
return impl, nil
}
func (cm *CandidateManager) AddImpl(name string, impl *CandidateManagerImpl) {
cm.impls[name] = impl
}
func NewCandidateManager(dataManager *DataManager, stopCh <-chan struct{}) *CandidateManager {
candidateManager := &CandidateManager{
stopCh: stopCh,
impls: make(map[string]*CandidateManagerImpl),
dataManager: dataManager,
//dirtyPool: ttlpool.NewCountPool(),
}
candidateManager.AddImpl("host", NewCandidateManagerImpl(
&HostCandidateManagerImplProvider{dataManager: dataManager}, stopCh))
candidateManager.AddImpl("baremetal", NewCandidateManagerImpl(
&BaremetalCandidateManagerImplProvider{dataManager: dataManager}, stopCh))
return candidateManager
}
func (cm *CandidateManager) Run() {
for _, impl := range cm.impls {
impl.Run()
}
}
func (cm *CandidateManager) Reload(resType string, candidateIds []string) (
[]interface{}, error) {
if len(candidateIds) == 0 {
return []interface{}{}, nil
}
impl, err := cm.getImpl(resType)
if err != nil {
return nil, err
}
return impl.Reload(candidateIds)
}
func (cm *CandidateManager) ReloadAll(resType string) ([]interface{}, error) {
impl, err := cm.getImpl(resType)
if err != nil {
return nil, err
}
return impl.ReloadAll()
}
//type IDirtyPoolItem interface {
//ttlpool.Item
//GetCount() uint64
//}
//func (cm *CandidateManager) SetCandidateDirty(item IDirtyPoolItem) {
//cm.dirtyPool.Add(item, item.GetCount())
//}
//func (cm *CandidateManager) CleanDirtyCandidatesOnce(keys []string, sessionId string) {
//for _, key := range keys {
//cm.dirtyPool.DeleteByKey(key)
//}
//}
/*func ToHostCandidate(c interface{}) (*candidatecache.HostDesc, error) {
h, ok := c.(*candidatecache.HostDesc)
if !ok {
return nil, fmt.Errorf("can't convert %#v to *candidatecache.HostDesc", c)
}
return h, nil
}
func ToHostCandidates(cs []core.Candidater) ([]*candidatecache.HostDesc, error) {
hs := make([]*candidatecache.HostDesc, 0)
for _, c := range cs {
h, err := ToHostCandidate(c)
if err != nil {
return nil, err
}
hs = append(hs, h)
}
return hs, nil
}*/