update

README.md

@@ -111,3 +111,13 @@ GPU is occupied by which job(s)
 ```
 ?action=debug_pool_dump
 ```
+
+**EnableMock**
+```
+?action=debug_enable_mock
+```
+
+**DisableMock**
+```
+?action=debug_disable_mock
+```

src/configuration.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"sync"
+	log "github.com/sirupsen/logrus"
+)
+
+type Configuration struct {
+	KafkaBrokers    []string `json:"kafkaBrokers"`
+	KafkaTopic      string   `json:"kafkaTopic"`
+	SchedulerPolicy string   `json:"schedulerPolicy"`
+	mock            bool
+	mu              sync.Mutex
+}
+
+var ConfigurationInstance *Configuration
+var ConfigurationInstanceLock sync.Mutex
+
+func InstanceOfConfiguration() *Configuration {
+	ConfigurationInstanceLock.Lock()
+	defer ConfigurationInstanceLock.Unlock()
+
+	if ConfigurationInstance == nil {
+		ConfigurationInstance = &Configuration{mock: false}
+	}
+	return ConfigurationInstance
+}
+
+func (config *Configuration) EnableMock() bool {
+	config.mu.Lock()
+	defer config.mu.Unlock()
+	config.mock = true
+	log.Info("configuration.mock = true")
+	return true
+}
+
+func (config *Configuration) DisableMock() bool {
+	config.mu.Lock()
+	defer config.mu.Unlock()
+	config.mock = false
+	log.Info("configuration.mock = false")
+	return true
+}

src/job_manager.go

@@ -52,6 +52,16 @@ func (jm *JobManager) start() {
 		time.Sleep(time.Millisecond * time.Duration(500+rand.Intn(500)))
 	}
 
+	if InstanceOfConfiguration().mock {
+		jm.isRunning = false
+		duration := InstanceOfMocker().GetDuration(jm.job, jm.resources)
+		log.Info("mock ", jm.job.Name, ", wait ", duration)
+		time.Sleep(time.Second * time.Duration(duration))
+		jm.returnResource([]TaskStatus{})
+		log.Info("JobMaster exited ", jm.job.Name)
+		return
+	}
+
 	if !jm.killFlag {
 		/* switch to Running state */
 		jm.scheduler.UpdateProgress(jm.job, Running)
@@ -147,7 +157,9 @@ func (jm *JobManager) returnResource(status []TaskStatus) {
 			InstanceOfResourcePool().detach(t.UUID, jm.job)
 		}
 
-		InstanceJobHistoryLogger().submitTaskStatus(jm.job.Name, status[i])
+		if !InstanceOfConfiguration().mock {
+			InstanceJobHistoryLogger().submitTaskStatus(jm.job.Name, status[i])
+		}
 
 		/* remove exited containers */
 		//v := url.Values{}

src/main.go

@@ -327,6 +327,20 @@ func serverAPI(w http.ResponseWriter, r *http.Request) {
 		w.Write(js)
 		break
 
+	case "debug_enable_mock":
+		log.Debug("debug_enable_mock")
+		js, _ := json.Marshal(InstanceOfConfiguration().EnableMock())
+		w.Header().Set("Content-Type", "application/json")
+		w.Write(js)
+		break
+
+	case "debug_disable_mock":
+		log.Debug("debug_disable_mock")
+		js, _ := json.Marshal(InstanceOfConfiguration().DisableMock())
+		w.Header().Set("Content-Type", "application/json")
+		w.Write(js)
+		break
+
 	default:
 		http.Error(w, "Not Found", http.StatusNotFound)
 		break

src/mocker.go

@@ -0,0 +1,101 @@
+package main
+
+import (
+	"sync"
+	"strings"
+)
+
+type Mocker struct {
+	mu sync.Mutex
+}
+
+var MockerInstance *Mocker
+var MockerInstanceLock sync.Mutex
+
+func InstanceOfMocker() *Mocker {
+	MockerInstanceLock.Lock()
+	defer MockerInstanceLock.Unlock()
+
+	if MockerInstance == nil {
+		MockerInstance = &Mocker{}
+	}
+	return MockerInstance
+}
+
+func (mocker *Mocker) GetDuration(job Job, nodes []NodeStatus) int {
+	str := strings.Split(job.Name, "-")
+	duration := 300
+
+	mode := "unknown"
+	if len(job.Tasks) == 1 {
+		if job.Tasks[0].NumberGPU == 1 {
+			mode = "s1"
+		} else if job.Tasks[0].NumberGPU == 2 {
+			mode = "s2"
+		}
+	} else if len(job.Tasks) == 3 {
+		var psNodes []string
+		var workerNodes []string
+		for i, task := range job.Tasks {
+			if task.IsPS {
+				psNodes = append(psNodes, nodes[i].ClientHost)
+			} else {
+				workerNodes = append(workerNodes, nodes[i].ClientHost)
+			}
+		}
+		if psNodes[0] == workerNodes[0] {
+			if psNodes[0] == workerNodes[1] {
+				mode = "pww"
+			} else {
+				mode = "pw:w"
+			}
+		} else {
+			if psNodes[0] == workerNodes[1] {
+				mode = "pw:w"
+			} else if workerNodes[0] == workerNodes[1] {
+				mode = "p:ww"
+			} else {
+				mode = "p:w:w"
+			}
+		}
+
+	}
+
+	if len(str) == 2 {
+		jobName := str[0]
+
+		durations := map[string]map[string]int{
+			"vgg16": {
+				"s1":    220,
+				"s2":    227,
+				"pww":   510,
+				"pw:w":  767,
+				"p:ww":  1190,
+				"p:w:w": 810,
+			},
+			"resnet50": {
+				"s1":    146,
+				"s2":    164,
+				"pww":   203,
+				"pw:w":  204,
+				"p:ww":  255,
+				"p:w:w": 210,
+			},
+			"inception3": {
+				"s1":    253,
+				"s2":    257,
+				"pww":   289,
+				"pw:w":  295,
+				"p:ww":  310,
+				"p:w:w": 290,
+			},
+		}
+
+		if vals, ok := durations[jobName]; ok {
+			if val, ok2 := vals[mode]; ok2 {
+				return val
+			}
+		}
+	}
+	return duration
+}

src/util.go

@@ -8,12 +8,6 @@ import (
 	"net/http"
 )
 
-type Configuration struct {
-	KafkaBrokers    []string `json:"kafkaBrokers"`
-	KafkaTopic      string   `json:"kafkaTopic"`
-	SchedulerPolicy string   `json:"schedulerPolicy"`
-}
-
 type Job struct {
 	ID        int         `json:"id"`
 	Name      string      `json:"name"`