feat: scheduler blocks cdn (#1079)

* feat: scheduler blocks cdn

Signed-off-by: Gaius <gaius.qi@gmail.com>

docs/en/deployment/configuration/cdn.yaml

@@ -44,11 +44,11 @@ base:
   # logDir is the log storage directory
   # in linux, default value is /var/log/dragonfly
   # in macos(just for testing), default value is /Users/$USER/.dragonfly/logs
-  logDir: ''
+  logDir: ""
 
   # manager configuration
   manager:
-    addr: ''
+    addr: ""
     cdnClusterID: 0
     keepAlive:
       interval: 5s
@@ -116,7 +116,7 @@ verbose: false
 pprof-port: -1
 
 # jaeger endpoint url, like: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""
 
 # service name used in tracer
 # default: dragonfly-cdn

docs/en/deployment/configuration/dfget.yaml

@@ -8,22 +8,22 @@ gcInterval: 1m0s
 # daemon work directory, daemon will change current working directory to this
 # in linux, default value is /usr/local/dragonfly
 # in macos(just for testing), default value is /Users/$USER/.dragonfly
-workHome: ''
+workHome: ""
 
 # cacheDir is dynconfig cache storage directory
 # in linux, default value is /var/cache/dragonfly
 # in macos(just for testing), default value is /Users/$USER/.dragonfly/cache
-cacheDir: ''
+cacheDir: ""
 
 # logDir is the log storage directory
 # in linux, default value is /var/log/dragonfly
 # in macos(just for testing), default value is /Users/$USER/.dragonfly/logs
-logDir: ''
+logDir: ""
 
 # dataDir is the download data storage directory
 # in linux, default value is /var/lib/dragonfly
 # in macos(just for testing), default value is /Users/$USER/.dragonfly/data
-dataDir: ''
+dataDir: ""
 
 # when daemon exit, keep peer task data or not
 # it is usefully when upgrade daemon service, all local cache will be saved
@@ -41,7 +41,7 @@ verbose: false
 pprof-port: -1
 
 # jaeger endpoint url, like: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""
 
 # all addresses of all schedulers
 # the schedulers of all daemons should be same in one region or zone.
@@ -75,13 +75,13 @@ host:
   # when local ip is different with access ip, advertiseIP should be set
   advertiseIP: 0.0.0.0
   # geographical location, separated by "|" characters
-  location: ''
+  location: ""
   # idc deployed by daemon
-  idc: ''
+  idc: ""
   # security domain deployed by daemon, network isolation between different security domains
-  securityDomain: ''
+  securityDomain: ""
   # network topology, separated by "|" characters
-  netTopology: ''
+  netTopology: ""
   # daemon hostname
   # hostname: ""
 
@@ -116,9 +116,9 @@ download:
     # security option
     security:
       insecure: true
-      cacert: ''
+      cacert: ""
-      cert: ''
+      cert: ""
-      key: ''
+      key: ""
       tlsConfig: null
     # download service listen address
     # current, only support unix domain socket
@@ -131,9 +131,9 @@ download:
   peerGRPC:
     security:
       insecure: true
-      cacert: ''
+      cacert: ""
-      cert: ''
+      cert: ""
-      key: ''
+      key: ""
     tcpListen:
       # listen address
       listen: 0.0.0.0
@@ -151,9 +151,9 @@ upload:
   rateLimit: 100Mi
   security:
     insecure: true
-    cacert: ''
+    cacert: ""
-    cert: ''
+    cert: ""
-    key: ''
+    key: ""
   tcpListen:
     # listen address
     listen: 0.0.0.0
@@ -196,17 +196,17 @@ proxy:
   # when defaultFilter: "Expires&Signature", for example:
   #  http://localhost/xyz?Expires=111&Signature=222 and http://localhost/xyz?Expires=333&Signature=999
   # is same task
-  defaultFilter: 'Expires&Signature'
+  defaultFilter: "Expires&Signature"
   security:
     insecure: true
-    cacert: ''
+    cacert: ""
-    cert: ''
+    cert: ""
-    key: ''
+    key: ""
   tcpListen:
     # namespace stands the linux net namespace, like /proc/1/ns/net
     # it's useful for running daemon in pod with ip allocated and listening the special port in host net namespace
     # Linux only
-    namespace: ''
+    namespace: ""
     # listen address
     listen: 0.0.0.0
     # listen port, daemon will try to listen
@@ -248,8 +248,8 @@ proxy:
 
   hijackHTTPS:
     # key pair used to hijack https requests
-    cert: ''
+    cert: ""
-    key: ''
+    key: ""
     hosts:
       - regx: mirror.aliyuncs.com:443 # regexp to match request hosts
         # whether to ignore https certificate errors
@@ -260,7 +260,7 @@ proxy:
   maxConcurrency: 0
   whiteList:
     # the host of the whitelist
-    - host: ''
+    - host: ""
       # match whitelist hosts
       regx:
       # port that need to be added to the whitelist

docs/en/deployment/configuration/manager.yaml

@@ -70,4 +70,4 @@ verbose: false
 pprof-port: -1
 
 # jaeger endpoint url, like: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""

docs/en/deployment/configuration/scheduler.yaml

@@ -11,22 +11,24 @@ server:
   # cacheDir is dynconfig cache storage directory
   # in linux, default value is /var/cache/dragonfly
   # in macos(just for testing), default value is /Users/$USER/.dragonfly/cache
-  cacheDir: ''
+  cacheDir: ""
   # logDir is the log storage directory
   # in linux, default value is /var/log/dragonfly
   # in macos(just for testing), default value is /Users/$USER/.dragonfly/logs
-  logDir: ''
+  logDir: ""
 
 # scheduler policy configuration
 scheduler:
   # algorithm configuration to use different scheduling algorithms,
   # default configuration supports "default" and "ml"
-  # "default" is the rule-based scheduling algorithm, "ml" is the machine learning scheduling algorithm
+  # "default" is the rule-based scheduling algorithm,
+  # "ml" is the machine learning scheduling algorithm
   # It also supports user plugin extension, the algorithm value is "plugin",
   # and the compiled `d7y-scheduler-plugin-evaluator.so` file is added to
   # the dragonfly working directory plugins
   algorithm: default
-  # backSourceCount is the number of backsource clients when the CDN is unavailable
+  # backSourceCount is the number of backsource clients
+  # when the CDN is unavailable
   backSourceCount: 3
   # retry scheduling back-to-source limit times
   retryBackSourceLimit: 5
@@ -57,11 +59,11 @@ dynConfig:
 # scheduler host configuration
 host:
   # idc is the idc of scheduler instance
-  idc: ''
+  idc: ""
   # netTopology is the net topology of scheduler instance
-  netTopology: ''
+  netTopology: ""
   # location is the location of scheduler instance
-  location: ''
+  location: ""
 
 # manager configuration
 manager:
@@ -76,7 +78,15 @@ manager:
     # interval
     interval: 5s
 
-# machinery async job configuration, see https://github.com/RichardKnop/machinery
+# cdn configuration
+cdn:
+  # scheduler enable cdn as P2P peer,
+  # if the value is false, P2P network will not be back-to-source through
+  # cdn but by dfdaemon and preheat feature does not work
+  enable: true
+
+# machinery async job configuration,
+# see https://github.com/RichardKnop/machinery
 job:
   # scheduler enable job service
   enable: true
@@ -89,11 +99,11 @@ job:
   # redis configuration
   redis:
     # host
-    host: ''
+    host: ""
     # port
     port: 6379
     # password
-    password: ''
+    password: ""
     # brokerDB
     brokerDB: 1
     # backendDB
@@ -104,7 +114,7 @@ metrics:
   # scheduler enable metrics service
   enable: false
   # metrics service address
-  addr: ':8000'
+  addr: ":8000"
   # enable peer host metrics
   enablePeerHost: false
 
@@ -119,4 +129,4 @@ verbose: false
 pprof-port: -1
 
 # jaeger endpoint url, like: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""

docs/zh-CN/deployment/configuration/cdn.yaml

@@ -48,12 +48,12 @@ base:
   # cdn 日志目录
   # linux 上默认目录 /var/log/dragonfly
   # macos(仅开发、测试), 默认目录是 /Users/$USER/.dragonfly/logs
-  logDir: ''
+  logDir: ""
 
   # CDN 连接的 manager，可以不指定。
   # 各项配置默认值如下。如果 addr 为空字符串，CDN将不会连接manager。
   manager:
-    addr: ''
+    addr: ""
     cdnClusterID: 0
     keepAlive:
       interval: 5s
@@ -61,9 +61,9 @@ base:
   # 主机信息
   host:
     # 地理位置
-    location: ''
+    location: ""
     # IDC(Internet Data Center)，互联网数据中心
-    idc: ''
+    idc: ""
 
   # 开启数据收集服务
   # metrics:
@@ -123,7 +123,7 @@ pprof-port: -1
 
 # jaeger 地址
 # 默认使用空字符串（不配置 jaeger）, 例如: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""
 
 # tracer 中使用的 service-name
 # 默认值：dragonfly-cdn

docs/zh-CN/deployment/configuration/dfget.yaml

@@ -8,22 +8,22 @@ gcInterval: 1m0s
 # daemon 工作目录
 # linux 上默认目录 /usr/local/dragonfly
 # macos(仅开发、测试), 默认目录是 /Users/$USER/.dragonfly
-workHome: ''
+workHome: ""
 
 # daemon 动态配置缓存目录
 # linux 上默认目录 /var/cache/dragonfly
 # macos(仅开发、测试), 默认目录是 /Users/$USER/.dragonfly/cache
-cacheDir: ''
+cacheDir: ""
 
 # daemon 日志目录
 # linux 上默认目录 /var/log/dragonfly
 # macos(仅开发、测试), 默认目录是 /Users/$USER/.dragonfly/logs
-logDir: ''
+logDir: ""
 
 # daemon 数据目录
 # linux 上默认目录为 /var/lib/dragonfly
 # macos(仅开发、测试), 默认目录是 /Users/$USER/.dragonfly/data/
-dataDir: ''
+dataDir: ""
 
 # 当 daemon 退出是, 是否保存缓存数据
 # 保留缓存数据在升级 daemon 的时候比较有用
@@ -41,7 +41,7 @@ pprof-port: -1
 
 # jaeger 地址
 # 默认使用空字符串（不配置 jaeger）, 例如: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""
 
 # 调度器地址
 # 尽量使用同一个地区的调度器.
@@ -73,13 +73,13 @@ host:
   # 其他 daemon 可以通过这个 IP 地址连接过来
   advertiseIP: 0.0.0.0
   # 地理信息, 通过 "|" 符号分隔
-  location: ''
+  location: ""
   # 机房信息
-  idc: ''
+  idc: ""
   # 安全域信息，不同安全域之间网络隔离
-  securityDomain: ''
+  securityDomain: ""
   # 网络拓扑结构，通过 "|" 符号分隔
-  netTopology: ''
+  netTopology: ""
   # 主机名称
   # hostname: ""
 
@@ -96,9 +96,9 @@ download:
     # 安全选项
     security:
       insecure: true
-      cacert: ''
+      cacert: ""
-      cert: ''
+      cert: ""
-      key: ''
+      key: ""
       tlsConfig: null
     # 下载服务监听地址，dfget 下载文件将通过该地址连接到 daemon
     # 目前是支持 unix domain socket
@@ -111,9 +111,9 @@ download:
   peerGRPC:
     security:
       insecure: true
-      cacert: ''
+      cacert: ""
-      cert: ''
+      cert: ""
-      key: ''
+      key: ""
     tcpListen:
       # 监听地址
       listen: 0.0.0.0
@@ -130,9 +130,9 @@ upload:
   rateLimit: 100Mi
   security:
     insecure: true
-    cacert: ''
+    cacert: ""
-    cert: ''
+    cert: ""
-    key: ''
+    key: ""
   tcpListen:
     # 监听地址
     listen: 0.0.0.0
@@ -174,17 +174,17 @@ proxy:
   # 例如：defaultFilter: "Expires&Signature":
   #  http://localhost/xyz?Expires=111&Signature=222 and http://localhost/xyz?Expires=333&Signature=999
   # 是相同的 task
-  defaultFilter: 'Expires&Signature'
+  defaultFilter: "Expires&Signature"
   security:
     insecure: true
-    cacert: ''
+    cacert: ""
-    cert: ''
+    cert: ""
-    key: ''
+    key: ""
   tcpListen:
     # 监听的网络命名空间, 例如：/proc/1/ns/net
     # 主要用在部署 kubernetes 中的时候，daemon 不使用 host network 时，监听宿主机的端口
     # 仅支持 Linux
-    namespace: ''
+    namespace: ""
     # 监听地址
     listen: 0.0.0.0
     # 监听端口
@@ -222,8 +222,8 @@ proxy:
   hijackHTTPS:
     # https 劫持的证书和密钥
     # 建议自签 CA 并更新主机证书链
-    cert: ''
+    cert: ""
-    key: ''
+    key: ""
     # 需要走蜻蜓 p2p 的流量
     hosts:
       - regx: mirror.aliyuncs.com:443 # 正则匹配
@@ -236,7 +236,7 @@ proxy:
   # 白名单，如果设置了，仅白名单内可以走代理，其他的都拒绝
   whiteList:
     # 主机信息
-    - host: ''
+    - host: ""
       # 正则匹配
       regx:
       # 端口白名单

docs/zh-CN/deployment/configuration/manager.yaml

@@ -69,4 +69,4 @@ pprof-port: -1
 
 # jaeger 地址
 # 默认使用空字符串（不配置 jaeger）, 例如: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""

docs/zh-CN/deployment/configuration/scheduler.yaml

@@ -11,11 +11,11 @@ server:
   # daemon 动态配置缓存目录
   # linux 上默认目录 /var/cache/dragonfly
   # macos(仅开发、测试), 默认目录是 /Users/$USER/.dragonfly/cache
-  cacheDir: ''
+  cacheDir: ""
   # daemon 日志目录
   # linux 上默认目录 /var/log/dragonfly
   # macos(仅开发、测试), 默认目录是 /Users/$USER/.dragonfly/logs
-  logDir: ''
+  logDir: ""
 
 # scheduler 调度策略配置
 scheduler:
@@ -55,18 +55,18 @@ dynConfig:
 # 实例主机信息
 host:
   # 实例所在机房
-  idc: ''
+  idc: ""
   # 实例网络拓扑信息
-  netTopology: ''
+  netTopology: ""
   # 实例所在的地理位置信息
-  location: ''
+  location: ""
 
 # manager 配置
 manager:
   # 启动与 manager 的连接
   enable: true
   # manager 访问地址
-  addr: ''
+  addr: ""
   # 注册的 scheduler 集群 ID
   schedulerClusterID:
   # manager 心跳配置
@@ -74,6 +74,13 @@ manager:
     # 保持心跳的时间间隔
     interval: 5s
 
+# cdn 配置
+cdn:
+  # 启动 cdn 作为 P2P 网络节点,
+  # 如果值为 false 第一次回源请求不通过 cdn 而是通过 dfdaemon 直接回源,
+  # 而且无法使用预热功能
+  enable: true
+
 # machinery 异步任务配置，配置参考 https://github.com/RichardKnop/machinery
 job:
   # 启动 job 服务
@@ -87,11 +94,11 @@ job:
   # redis 配置
   redis:
     # 服务地址
-    host: ''
+    host: ""
     # 服务端口
     port: 6379
     # 密码
-    password: ''
+    password: ""
     # broker 数据库
     brokerDB: 1
     # backend 数据库
@@ -102,7 +109,7 @@ metrics:
   # 启动数据收集服务
   enable: false
   # 数据服务地址
-  addr: ':8000'
+  addr: ":8000"
   # 开机收集 peer host 数据
   enablePeerHost: false
 
@@ -117,4 +124,4 @@ pprof-port: -1
 
 # jaeger 地址
 # 默认使用空字符串（不配置 jaeger）, 例如: http://jaeger.dragonfly.svc:14268/api/traces
-jaeger: ''
+jaeger: ""

scheduler/config/config.go

@@ -42,6 +42,9 @@ type Config struct {
 	// Manager configuration
 	Manager *ManagerConfig `yaml:"manager" mapstructure:"manager"`
 
+	// CDN configuration
+	CDN *CDNConfig `yaml:"cdn" mapstructure:"cdn"`
+
 	// Host configuration
 	Host *HostConfig `yaml:"host" mapstructure:"host"`
 
@@ -87,6 +90,9 @@ func New() *Config {
 				Interval: 5 * time.Second,
 			},
 		},
+		CDN: &CDNConfig{
+			Enable: true,
+		},
 		Job: &JobConfig{
 			Enable:             true,
 			GlobalWorkerNum:    10,
@@ -301,6 +307,11 @@ type ManagerConfig struct {
 	KeepAlive KeepAliveConfig `yaml:"keepAlive" mapstructure:"keepAlive"`
 }
 
+type CDNConfig struct {
+	// Enable is to enable cdn as P2P peer
+	Enable bool `yaml:"enable" mapstructure:"enable"`
+}
+
 type KeepAliveConfig struct {
 	// Keep alive interval
 	Interval time.Duration `yaml:"interval" mapstructure:"interval"`

scheduler/config/config_test.go

@@ -70,6 +70,9 @@ func TestConfig_Load(t *testing.T) {
 				Interval: 5 * time.Second,
 			},
 		},
+		CDN: &CDNConfig{
+			Enable: true,
+		},
 		Job: &JobConfig{
 			Enable:             true,
 			GlobalWorkerNum:    1,

scheduler/config/testdata/scheduler.yaml

@@ -36,6 +36,9 @@ manager:
   keepAlive:
     interval: 5000000000
 
+cdn:
+  enable: true
+
 job:
   enable: true
   globalWorkerNum: 1

scheduler/job/job.go

@@ -18,6 +18,7 @@ package job
 
 import (
 	"context"
+	"errors"
 	"strings"
 
 	"github.com/go-http-utils/headers"
@@ -101,36 +102,40 @@ func New(cfg *config.Config, resource resource.Resource) (Job, error) {
 	return t, nil
 }
 
-func (t *job) Serve() {
+func (j *job) Serve() {
 	go func() {
-		logger.Infof("ready to launch %d worker(s) on global queue", t.config.Job.GlobalWorkerNum)
+		logger.Infof("ready to launch %d worker(s) on global queue", j.config.Job.GlobalWorkerNum)
-		if err := t.globalJob.LaunchWorker("global_worker", int(t.config.Job.GlobalWorkerNum)); err != nil {
+		if err := j.globalJob.LaunchWorker("global_worker", int(j.config.Job.GlobalWorkerNum)); err != nil {
 			logger.Fatalf("global queue worker error: %v", err)
 		}
 	}()
 
 	go func() {
-		logger.Infof("ready to launch %d worker(s) on scheduler queue", t.config.Job.SchedulerWorkerNum)
+		logger.Infof("ready to launch %d worker(s) on scheduler queue", j.config.Job.SchedulerWorkerNum)
-		if err := t.schedulerJob.LaunchWorker("scheduler_worker", int(t.config.Job.SchedulerWorkerNum)); err != nil {
+		if err := j.schedulerJob.LaunchWorker("scheduler_worker", int(j.config.Job.SchedulerWorkerNum)); err != nil {
 			logger.Fatalf("scheduler queue worker error: %v", err)
 		}
 	}()
 
 	go func() {
-		logger.Infof("ready to launch %d worker(s) on local queue", t.config.Job.LocalWorkerNum)
+		logger.Infof("ready to launch %d worker(s) on local queue", j.config.Job.LocalWorkerNum)
-		if err := t.localJob.LaunchWorker("local_worker", int(t.config.Job.LocalWorkerNum)); err != nil {
+		if err := j.localJob.LaunchWorker("local_worker", int(j.config.Job.LocalWorkerNum)); err != nil {
 			logger.Fatalf("scheduler queue worker error: %v", err)
 		}
 	}()
 }
 
-func (t *job) Stop() {
+func (j *job) Stop() {
-	t.globalJob.Worker.Quit()
+	j.globalJob.Worker.Quit()
-	t.schedulerJob.Worker.Quit()
+	j.schedulerJob.Worker.Quit()
-	t.localJob.Worker.Quit()
+	j.localJob.Worker.Quit()
 }
 
-func (t *job) preheat(ctx context.Context, req string) error {
+func (j *job) preheat(ctx context.Context, req string) error {
+	if !j.config.CDN.Enable {
+		return errors.New("scheduler has disabled cdn")
+	}
+
 	request := &internaljob.PreheatRequest{}
 	if err := internaljob.UnmarshalRequest(req, request); err != nil {
 		logger.Errorf("unmarshal request err: %v, request body: %s", err, req)
@@ -161,7 +166,7 @@ func (t *job) preheat(ctx context.Context, req string) error {
 	log := logger.WithTaskIDAndURL(taskID, request.URL)
 	log.Infof("preheat %s headers: %#v, tag: %s, range: %s, filter: %s, digest: %s",
 		request.URL, urlMeta.Header, urlMeta.Tag, urlMeta.Range, urlMeta.Filter, urlMeta.Digest)
-	stream, err := t.resource.CDN().Client().ObtainSeeds(ctx, &cdnsystem.SeedRequest{
+	stream, err := j.resource.CDN().Client().ObtainSeeds(ctx, &cdnsystem.SeedRequest{
 		TaskId:  taskID,
 		Url:     request.URL,
 		UrlMeta: urlMeta,

scheduler/service/service.go

@@ -358,21 +358,11 @@ func (s *Service) registerTask(ctx context.Context, req *rpcscheduler.PeerTaskRe
 		return nil, err
 	}
 
-	// Start seed cdn task
+	// Start trigger cdn task
-	go func() {
+	if s.config.CDN.Enable {
-		task.Log.Infof("trigger cdn download task and task status is %s", task.FSM.Current())
+		go s.triggerCDNTask(ctx, task)
-		peer, endOfPiece, err := s.resource.CDN().TriggerTask(context.Background(), task)
-		if err != nil {
-			task.Log.Errorf("trigger cdn download task failed: %v", err)
-			s.handleTaskFail(ctx, task)
-			return
 	}
 
-		// Update the task status first to help peer scheduling evaluation and scoring
-		s.handleTaskSuccess(ctx, task, endOfPiece)
-		s.handlePeerSuccess(ctx, peer)
-	}()
-
 	return task, nil
 }
 
@@ -409,6 +399,21 @@ func (s *Service) registerPeer(ctx context.Context, req *rpcscheduler.PeerTaskRe
 	return peer
 }
 
+// triggerCDNTask starts trigger cdn task
+func (s *Service) triggerCDNTask(ctx context.Context, task *resource.Task) {
+	task.Log.Infof("trigger cdn download task and task status is %s", task.FSM.Current())
+	peer, endOfPiece, err := s.resource.CDN().TriggerTask(context.Background(), task)
+	if err != nil {
+		task.Log.Errorf("trigger cdn download task failed: %v", err)
+		s.handleTaskFail(ctx, task)
+		return
+	}
+
+	// Update the task status first to help peer scheduling evaluation and scoring
+	s.handleTaskSuccess(ctx, task, endOfPiece)
+	s.handlePeerSuccess(ctx, peer)
+}
+
 // handleBeginOfPiece handles begin of piece
 func (s *Service) handleBeginOfPiece(ctx context.Context, peer *resource.Peer) {
 	switch peer.FSM.Current() {
@@ -501,18 +506,11 @@ func (s *Service) handlePieceFail(ctx context.Context, peer *resource.Peer, piec
 		fallthrough
 	case base.Code_CDNTaskNotFound:
 		s.handlePeerFail(ctx, parent)
-		go func() {
-			parent.Log.Info("cdn restart seed task")
-			cdnPeer, endOfPiece, err := s.resource.CDN().TriggerTask(context.Background(), parent.Task)
-			if err != nil {
-				peer.Log.Errorf("retrigger task failed: %v", err)
-				s.handleTaskFail(ctx, parent.Task)
-				return
-			}
 
-			s.handleTaskSuccess(ctx, cdnPeer.Task, endOfPiece)
+		// Start trigger cdn task
-			s.handlePeerSuccess(ctx, cdnPeer)
+		if s.config.CDN.Enable {
-		}()
+			go s.triggerCDNTask(ctx, parent.Task)
+		}
 	default:
 	}
 

scheduler/service/service_test.go

@@ -1213,11 +1213,18 @@ func TestService_LeaveTask(t *testing.T) {
 func TestService_registerTask(t *testing.T) {
 	tests := []struct {
 		name   string
+		config *config.Config
 		req    *rpcscheduler.PeerTaskRequest
 		run    func(t *testing.T, svc *Service, req *rpcscheduler.PeerTaskRequest, mockTask *resource.Task, mockPeer *resource.Peer, taskManager resource.TaskManager, cdn resource.CDN, mr *resource.MockResourceMockRecorder, mt *resource.MockTaskManagerMockRecorder, mc *resource.MockCDNMockRecorder)
 	}{
 		{
 			name: "task already exists and state is TaskStateRunning",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: true,
+				},
+			},
 			req: &rpcscheduler.PeerTaskRequest{
 				Url:     mockTaskURL,
 				UrlMeta: mockTaskURLMeta,
@@ -1239,6 +1246,12 @@ func TestService_registerTask(t *testing.T) {
 		},
 		{
 			name: "task already exists and state is TaskStateSucceeded",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: true,
+				},
+			},
 			req: &rpcscheduler.PeerTaskRequest{
 				Url:     mockTaskURL,
 				UrlMeta: mockTaskURLMeta,
@@ -1260,6 +1273,12 @@ func TestService_registerTask(t *testing.T) {
 		},
 		{
 			name: "task state is TaskStatePending",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: true,
+				},
+			},
 			req: &rpcscheduler.PeerTaskRequest{
 				Url:     mockTaskURL,
 				UrlMeta: mockTaskURLMeta,
@@ -1285,6 +1304,12 @@ func TestService_registerTask(t *testing.T) {
 		},
 		{
 			name: "task state is TaskStateFailed",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: true,
+				},
+			},
 			req: &rpcscheduler.PeerTaskRequest{
 				Url:     mockTaskURL,
 				UrlMeta: mockTaskURLMeta,
@@ -1310,6 +1335,12 @@ func TestService_registerTask(t *testing.T) {
 		},
 		{
 			name: "task state is TaskStatePending, but trigger cdn failed",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: true,
+				},
+			},
 			req: &rpcscheduler.PeerTaskRequest{
 				Url:     mockTaskURL,
 				UrlMeta: mockTaskURLMeta,
@@ -1335,6 +1366,12 @@ func TestService_registerTask(t *testing.T) {
 		},
 		{
 			name: "task state is TaskStateFailed, but trigger cdn failed",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: true,
+				},
+			},
 			req: &rpcscheduler.PeerTaskRequest{
 				Url:     mockTaskURL,
 				UrlMeta: mockTaskURLMeta,
@@ -1352,6 +1389,57 @@ func TestService_registerTask(t *testing.T) {
 					mc.TriggerTask(gomock.Any(), gomock.Any()).Do(func(ctx context.Context, task *resource.Task) { wg.Done() }).Return(mockPeer, &rpcscheduler.PeerResult{}, errors.New("foo")).Times(1),
 				)
 
+				task, err := svc.registerTask(context.Background(), req)
+				assert := assert.New(t)
+				assert.NoError(err)
+				assert.EqualValues(mockTask, task)
+			},
+		},
+		{
+			name: "task state is TaskStatePending and disable cdn",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: false,
+				},
+			},
+			req: &rpcscheduler.PeerTaskRequest{
+				Url:     mockTaskURL,
+				UrlMeta: mockTaskURLMeta,
+			},
+			run: func(t *testing.T, svc *Service, req *rpcscheduler.PeerTaskRequest, mockTask *resource.Task, mockPeer *resource.Peer, taskManager resource.TaskManager, cdn resource.CDN, mr *resource.MockResourceMockRecorder, mt *resource.MockTaskManagerMockRecorder, mc *resource.MockCDNMockRecorder) {
+
+				mockTask.FSM.SetState(resource.TaskStatePending)
+				gomock.InOrder(
+					mr.TaskManager().Return(taskManager).Times(1),
+					mt.LoadOrStore(gomock.Any()).Return(mockTask, true).Times(1),
+				)
+
+				task, err := svc.registerTask(context.Background(), req)
+				assert := assert.New(t)
+				assert.NoError(err)
+				assert.EqualValues(mockTask, task)
+			},
+		},
+		{
+			name: "task state is TaskStateFailed and disable cdn",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN: &config.CDNConfig{
+					Enable: false,
+				},
+			},
+			req: &rpcscheduler.PeerTaskRequest{
+				Url:     mockTaskURL,
+				UrlMeta: mockTaskURLMeta,
+			},
+			run: func(t *testing.T, svc *Service, req *rpcscheduler.PeerTaskRequest, mockTask *resource.Task, mockPeer *resource.Peer, taskManager resource.TaskManager, cdn resource.CDN, mr *resource.MockResourceMockRecorder, mt *resource.MockTaskManagerMockRecorder, mc *resource.MockCDNMockRecorder) {
+				mockTask.FSM.SetState(resource.TaskStateFailed)
+				gomock.InOrder(
+					mr.TaskManager().Return(taskManager).Times(1),
+					mt.LoadOrStore(gomock.Any()).Return(mockTask, true).Times(1),
+				)
+
 				task, err := svc.registerTask(context.Background(), req)
 				assert := assert.New(t)
 				assert.NoError(err)
@@ -1367,7 +1455,8 @@ func TestService_registerTask(t *testing.T) {
 			scheduler := mocks.NewMockScheduler(ctl)
 			res := resource.NewMockResource(ctl)
 			dynconfig := configmocks.NewMockDynconfigInterface(ctl)
-			svc := New(&config.Config{Scheduler: mockSchedulerConfig}, res, scheduler, dynconfig)
+			svc := New(tc.config, res, scheduler, dynconfig)
+
 			taskManager := resource.NewMockTaskManager(ctl)
 			mockHost := resource.NewHost(mockRawHost)
 			mockTask := resource.NewTask(mockTaskID, mockTaskURL, mockTaskBackToSourceLimit, mockTaskURLMeta)
@@ -1466,6 +1555,69 @@ func TestService_registerHost(t *testing.T) {
 	}
 }
 
+func TestService_triggerCDNTask(t *testing.T) {
+	tests := []struct {
+		name   string
+		mock   func(task *resource.Task, peer *resource.Peer, cdn resource.CDN, mr *resource.MockResourceMockRecorder, mc *resource.MockCDNMockRecorder)
+		expect func(t *testing.T, task *resource.Task, peer *resource.Peer)
+	}{
+		{
+			name: "trigger cdn task",
+			mock: func(task *resource.Task, peer *resource.Peer, cdn resource.CDN, mr *resource.MockResourceMockRecorder, mc *resource.MockCDNMockRecorder) {
+				task.FSM.SetState(resource.TaskStateRunning)
+				peer.FSM.SetState(resource.PeerStateRunning)
+				gomock.InOrder(
+					mr.CDN().Return(cdn).Times(1),
+					mc.TriggerTask(gomock.Any(), gomock.Any()).Return(peer, &rpcscheduler.PeerResult{
+						TotalPieceCount: 3,
+						ContentLength:   1024,
+					}, nil).Times(1),
+				)
+			},
+			expect: func(t *testing.T, task *resource.Task, peer *resource.Peer) {
+				assert := assert.New(t)
+				assert.True(task.FSM.Is(resource.TaskStateSucceeded))
+				assert.Equal(task.TotalPieceCount.Load(), int32(3))
+				assert.Equal(task.ContentLength.Load(), int64(1024))
+				assert.True(peer.FSM.Is(resource.PeerStateSucceeded))
+			},
+		},
+		{
+			name: "trigger cdn task failed",
+			mock: func(task *resource.Task, peer *resource.Peer, cdn resource.CDN, mr *resource.MockResourceMockRecorder, mc *resource.MockCDNMockRecorder) {
+				task.FSM.SetState(resource.TaskStateRunning)
+				gomock.InOrder(
+					mr.CDN().Return(cdn).Times(1),
+					mc.TriggerTask(gomock.Any(), gomock.Any()).Return(peer, &rpcscheduler.PeerResult{}, errors.New("foo")).Times(1),
+				)
+			},
+			expect: func(t *testing.T, task *resource.Task, peer *resource.Peer) {
+				assert := assert.New(t)
+				assert.True(task.FSM.Is(resource.TaskStateFailed))
+			},
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			ctl := gomock.NewController(t)
+			defer ctl.Finish()
+			scheduler := mocks.NewMockScheduler(ctl)
+			res := resource.NewMockResource(ctl)
+			dynconfig := configmocks.NewMockDynconfigInterface(ctl)
+			cdn := resource.NewMockCDN(ctl)
+			mockHost := resource.NewHost(mockRawHost)
+			task := resource.NewTask(mockTaskID, mockTaskURL, mockTaskBackToSourceLimit, mockTaskURLMeta)
+			peer := resource.NewPeer(mockPeerID, task, mockHost)
+			svc := New(&config.Config{Scheduler: mockSchedulerConfig}, res, scheduler, dynconfig)
+
+			tc.mock(task, peer, cdn, res.EXPECT(), cdn.EXPECT())
+			svc.triggerCDNTask(context.Background(), task)
+			tc.expect(t, task, peer)
+		})
+	}
+}
+
 func TestService_handleBeginOfPiece(t *testing.T) {
 	tests := []struct {
 		name   string
@@ -1688,6 +1840,7 @@ func TestService_handlePieceFail(t *testing.T) {
 
 	tests := []struct {
 		name   string
+		config *config.Config
 		piece  *rpcscheduler.PieceResult
 		peer   *resource.Peer
 		parent *resource.Peer
@@ -1695,6 +1848,11 @@ func TestService_handlePieceFail(t *testing.T) {
 	}{
 		{
 			name: "peer state is PeerStateBackToSource",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece:  &rpcscheduler.PieceResult{},
 			peer:   resource.NewPeer(mockPeerID, mockTask, mockHost),
 			parent: resource.NewPeer(mockCDNPeerID, mockTask, mockHost),
@@ -1708,6 +1866,11 @@ func TestService_handlePieceFail(t *testing.T) {
 		},
 		{
 			name: "can not found parent",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_ClientWaitPieceReady,
 				DstPid: mockCDNPeerID,
@@ -1729,6 +1892,11 @@ func TestService_handlePieceFail(t *testing.T) {
 		},
 		{
 			name: "piece result code is Code_ClientPieceDownloadFail and parent state set PeerEventDownloadFailed",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_ClientPieceDownloadFail,
 				DstPid: mockCDNPeerID,
@@ -1754,6 +1922,11 @@ func TestService_handlePieceFail(t *testing.T) {
 		},
 		{
 			name: "piece result code is Code_PeerTaskNotFound and parent state set PeerEventDownloadFailed",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_PeerTaskNotFound,
 				DstPid: mockCDNPeerID,
@@ -1779,6 +1952,11 @@ func TestService_handlePieceFail(t *testing.T) {
 		},
 		{
 			name: "piece result code is Code_ClientPieceNotFound and parent is not CDN",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_ClientPieceNotFound,
 				DstPid: mockCDNPeerID,
@@ -1803,6 +1981,11 @@ func TestService_handlePieceFail(t *testing.T) {
 		},
 		{
 			name: "piece result code is Code_CDNError and parent state set PeerEventDownloadFailed",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_CDNError,
 				DstPid: mockCDNPeerID,
@@ -1828,6 +2011,11 @@ func TestService_handlePieceFail(t *testing.T) {
 		},
 		{
 			name: "piece result code is Code_CDNTaskDownloadFail and parent state set PeerEventDownloadFailed",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_CDNTaskDownloadFail,
 				DstPid: mockCDNPeerID,
@@ -1853,6 +2041,11 @@ func TestService_handlePieceFail(t *testing.T) {
 		},
 		{
 			name: "piece result code is Code_ClientPieceRequestFail",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_ClientPieceRequestFail,
 				DstPid: mockCDNPeerID,
@@ -1876,8 +2069,78 @@ func TestService_handlePieceFail(t *testing.T) {
 				assert.True(parent.FSM.Is(resource.PeerStateRunning))
 			},
 		},
+		{
+			name: "piece result code is Code_CDNTaskNotFound",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
+			piece: &rpcscheduler.PieceResult{
+				Code:   base.Code_CDNTaskNotFound,
+				DstPid: mockCDNPeerID,
+			},
+			peer:   resource.NewPeer(mockPeerID, mockTask, mockHost),
+			parent: resource.NewPeer(mockCDNPeerID, mockTask, mockHost),
+			run: func(t *testing.T, svc *Service, peer *resource.Peer, parent *resource.Peer, piece *rpcscheduler.PieceResult, peerManager resource.PeerManager, cdn resource.CDN, ms *mocks.MockSchedulerMockRecorder, mr *resource.MockResourceMockRecorder, mp *resource.MockPeerManagerMockRecorder, mc *resource.MockCDNMockRecorder) {
+				var wg sync.WaitGroup
+				wg.Add(2)
+				defer wg.Wait()
+
+				peer.FSM.SetState(resource.PeerStateRunning)
+				parent.FSM.SetState(resource.PeerStateRunning)
+				blocklist := set.NewSafeSet()
+				blocklist.Add(parent.ID)
+				gomock.InOrder(
+					mr.PeerManager().Return(peerManager).Times(1),
+					mp.Load(gomock.Eq(parent.ID)).Return(parent, true).Times(1),
+					ms.ScheduleParent(gomock.Any(), gomock.Eq(peer), gomock.Eq(blocklist)).Return().Times(1),
+					mr.CDN().Do(func() { wg.Done() }).Return(cdn).Times(1),
+					mc.TriggerTask(gomock.Any(), gomock.Any()).Do(func(ctx context.Context, task *resource.Task) { wg.Done() }).Return(peer, &rpcscheduler.PeerResult{}, nil).Times(1),
+				)
+
+				svc.handlePieceFail(context.Background(), peer, piece)
+				assert := assert.New(t)
+				assert.True(parent.FSM.Is(resource.PeerStateFailed))
+			},
+		},
+		{
+			name: "piece result code is Code_CDNTaskNotFound and disable cdn",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: false},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
+			piece: &rpcscheduler.PieceResult{
+				Code:   base.Code_CDNTaskNotFound,
+				DstPid: mockCDNPeerID,
+			},
+			peer:   resource.NewPeer(mockPeerID, mockTask, mockHost),
+			parent: resource.NewPeer(mockCDNPeerID, mockTask, mockHost),
+			run: func(t *testing.T, svc *Service, peer *resource.Peer, parent *resource.Peer, piece *rpcscheduler.PieceResult, peerManager resource.PeerManager, cdn resource.CDN, ms *mocks.MockSchedulerMockRecorder, mr *resource.MockResourceMockRecorder, mp *resource.MockPeerManagerMockRecorder, mc *resource.MockCDNMockRecorder) {
+				peer.FSM.SetState(resource.PeerStateRunning)
+				parent.FSM.SetState(resource.PeerStateRunning)
+				blocklist := set.NewSafeSet()
+				blocklist.Add(parent.ID)
+				gomock.InOrder(
+					mr.PeerManager().Return(peerManager).Times(1),
+					mp.Load(gomock.Eq(parent.ID)).Return(parent, true).Times(1),
+					ms.ScheduleParent(gomock.Any(), gomock.Eq(peer), gomock.Eq(blocklist)).Return().Times(1),
+				)
+
+				svc.handlePieceFail(context.Background(), peer, piece)
+				assert := assert.New(t)
+				assert.True(peer.FSM.Is(resource.PeerStateRunning))
+				assert.True(parent.FSM.Is(resource.PeerStateFailed))
+			},
+		},
 		{
 			name: "piece result code is unknow",
+			config: &config.Config{
+				Scheduler: mockSchedulerConfig,
+				CDN:       &config.CDNConfig{Enable: true},
+				Metrics:   &config.MetricsConfig{EnablePeerHost: true},
+			},
 			piece: &rpcscheduler.PieceResult{
 				Code:   base.Code_ClientPieceRequestFail,
 				DstPid: mockCDNPeerID,
@@ -1912,7 +2175,7 @@ func TestService_handlePieceFail(t *testing.T) {
 			dynconfig := configmocks.NewMockDynconfigInterface(ctl)
 			peerManager := resource.NewMockPeerManager(ctl)
 			cdn := resource.NewMockCDN(ctl)
-			svc := New(&config.Config{Scheduler: mockSchedulerConfig, Metrics: &config.MetricsConfig{EnablePeerHost: true}}, res, scheduler, dynconfig)
+			svc := New(tc.config, res, scheduler, dynconfig)
 
 			tc.run(t, svc, tc.peer, tc.parent, tc.piece, peerManager, cdn, scheduler.EXPECT(), res.EXPECT(), peerManager.EXPECT(), cdn.EXPECT())
 		})