Update policy scheduler according to comments

src/common/scheduler/policy/alternate_policy.go

@@ -15,14 +15,6 @@ type AlternatePolicyConfiguration struct {
 	//OffsetTime is the execution time point of each turn
 	//It's a number to indicate the seconds offset to the 00:00 of UTC time.
 	OffsetTime int64
-
-	//StartTimestamp is the time should be later than start time.
-	//If set <=0 value, no limitation.
-	StartTimestamp int64
-
-	//EndTimestamp is the time should be earlier than end time.
-	//If set <=0 value, no limitation.
-	EndTimestamp int64
 }
 
 //AlternatePolicy is a policy that repeatedly executing tasks with specified duration during a specified time scope.
@@ -40,7 +32,7 @@ type AlternatePolicy struct {
 	isEnabled bool
 
 	//Channel used to send evaluation result signals.
-	evaluation chan EvaluationResult
+	evaluation chan bool
 
 	//Channel used to notify policy termination.
 	done chan bool
@@ -109,39 +101,21 @@ func (alp *AlternatePolicy) Disable() error {
 }
 
 //Evaluate is an implementation of same method in policy interface.
-func (alp *AlternatePolicy) Evaluate() <-chan EvaluationResult {
+func (alp *AlternatePolicy) Evaluate() (<-chan bool, error) {
 	//Keep idempotent
 	if alp.isEnabled && alp.evaluation != nil {
-		return alp.evaluation
+		return alp.evaluation, nil
 	}
 
 	alp.done = make(chan bool)
 	alp.terminator = make(chan bool)
-	alp.evaluation = make(chan EvaluationResult)
+	alp.evaluation = make(chan bool)
 
 	go func() {
 		defer func() {
 			alp.isEnabled = false
 		}()
 		timeNow := time.Now().UTC()
-		timeSeconds := timeNow.Unix()
-
-		//Pre-check
-		//If now is still in the specified time scope.
-		if alp.config.EndTimestamp > 0 && timeSeconds >= alp.config.EndTimestamp {
-			//Invalid configuration, exit.
-			alp.done <- true
-			return
-		}
-		if alp.config.StartTimestamp > 0 && timeSeconds < alp.config.StartTimestamp {
-			//Let's hold on for a while.
-			forWhile := alp.config.StartTimestamp - timeSeconds
-			select {
-			case <-time.After(time.Duration(forWhile) * time.Second):
-			case <-alp.terminator:
-				return
-			}
-		}
 
 		//Reach the execution time point?
 		utcTime := (int64)(timeNow.Hour()*3600 + timeNow.Minute()*60)
@@ -159,29 +133,14 @@ func (alp *AlternatePolicy) Evaluate() <-chan EvaluationResult {
 		}
 
 		//Trigger the first tick.
-		alp.evaluation <- EvaluationResult{}
+		alp.evaluation <- true
 
 		//Start the ticker for repeat checking.
 		alp.ticker = time.NewTicker(alp.config.Duration)
 		for {
 			select {
-			case now := <-alp.ticker.C:
-				{
-					time := now.UTC().Unix()
-					if alp.config.EndTimestamp > 0 && time >= alp.config.EndTimestamp {
-						//Ploicy is done.
-						alp.done <- true
-						if alp.ticker != nil {
-							alp.ticker.Stop()
-						}
-						alp.ticker = nil
-
-						return
-					}
-
-					res := EvaluationResult{}
-					alp.evaluation <- res
-				}
+			case <-alp.ticker.C:
+				alp.evaluation <- true
 			case <-alp.terminator:
 				return
 			}
@@ -191,5 +150,5 @@ func (alp *AlternatePolicy) Evaluate() <-chan EvaluationResult {
 	//Enabled
 	alp.isEnabled = true
 
-	return alp.evaluation
+	return alp.evaluation, nil
 }

src/common/scheduler/policy/alternate_policy_test.go

@@ -46,32 +46,28 @@ func TestEvaluatePolicy(t *testing.T) {
 	tp := NewAlternatePolicy(&AlternatePolicyConfiguration{
 		Duration:   1 * time.Second,
 		OffsetTime: utcOffset + 1,
-		StartTimestamp: -1,
-		EndTimestamp:   now.Add(3 * time.Second).Unix(),
 	})
 	err := tp.AttachTasks(&fakeTask{number: 100})
 	if err != nil {
 		t.Fail()
 	}
-	ch := tp.Evaluate()
-	done := tp.Done()
+	ch, _ := tp.Evaluate()
 	counter := 0
-READ_SIGNAL:
-	for {
+
+	for i := 0; i < 3; i++ {
 		select {
 		case <-ch:
 			counter++
-		case <-done:
-			break READ_SIGNAL
-		case <-time.After(5 * time.Second):
-			t.Fail()
-			return
+		case <-time.After(2 * time.Second):
+			continue
 		}
 	}
 
-	if counter != 2 {
+	if counter != 3 {
 		t.Fail()
 	}
+
+	tp.Disable()
 }
 
 func TestDisablePolicy(t *testing.T) {
@@ -80,14 +76,12 @@ func TestDisablePolicy(t *testing.T) {
 	tp := NewAlternatePolicy(&AlternatePolicyConfiguration{
 		Duration:   1 * time.Second,
 		OffsetTime: utcOffset + 1,
-		StartTimestamp: -1,
-		EndTimestamp:   -1,
 	})
 	err := tp.AttachTasks(&fakeTask{number: 100})
 	if err != nil {
 		t.Fail()
 	}
-	ch := tp.Evaluate()
+	ch, _ := tp.Evaluate()
 	counter := 0
 	terminate := make(chan bool)
 	defer func() {
@@ -109,7 +103,7 @@ func TestDisablePolicy(t *testing.T) {
 	if tp.Disable() != nil {
 		t.Fatal("Failed to disable policy")
 	}
-	//Waiting for everything is stabel
+	//Waiting for everything is stable
 	<-time.After(1 * time.Second)
 	//Copy value
 	copiedCounter := counter

src/common/scheduler/policy/evaluation_result.go

@@ -1,15 +0,0 @@
-package policy
-
-//EvaluationResult is defined to carry the policy evaluated result.
-//
-//Filed 'Result' is optional.
-//Filed 'Error' is optional
-//
-type EvaluationResult struct {
-	//Policy is successfully evaluated and the related information can
-	//be contained in Result if have.
-	Result interface{}
-
-	//Policy is failed to evaluated.
-	Error error
-}

src/common/scheduler/policy/policy.go

@@ -31,7 +31,7 @@ type Policy interface {
 	//result channel. Policy is enabled after it is evaluated.
 	//Make sure Evaluate is idempotent, that means one policy can be only enabled
 	//only once even if Evaluate is called more than one times.
-	Evaluate() <-chan EvaluationResult
+	Evaluate() (<-chan bool, error)
 
 	//Disable the enabled policy and release all the allocated resources.
 	//Disable should also send signal to the terminated channel which returned by Done.

src/common/scheduler/scheduler_test.go

@@ -4,14 +4,13 @@ import (
 	"testing"
 	"time"
 
-	"github.com/vmware/harbor/src/common/scheduler/policy"
 	"github.com/vmware/harbor/src/common/scheduler/task"
 )
 
 type fakePolicy struct {
 	tasks      []task.Task
 	done       chan bool
-	evaluation chan policy.EvaluationResult
+	evaluation chan bool
 	terminate  chan bool
 	ticker     *time.Ticker
 }
@@ -33,12 +32,12 @@ func (fp *fakePolicy) Done() <-chan bool {
 	return fp.done
 }
 
-func (fp *fakePolicy) Evaluate() <-chan policy.EvaluationResult {
-	fp.evaluation = make(chan policy.EvaluationResult, 2)
+func (fp *fakePolicy) Evaluate() (<-chan bool, error) {
+	fp.evaluation = make(chan bool, 1)
 	fp.done = make(chan bool)
 	fp.terminate = make(chan bool)
 
-	fp.evaluation <- policy.EvaluationResult{}
+	fp.evaluation <- true
 	go func() {
 		fp.ticker = time.NewTicker(1 * time.Second)
 		for {
@@ -46,11 +45,11 @@ func (fp *fakePolicy) Evaluate() <-chan policy.EvaluationResult {
 			case <-fp.terminate:
 				return
 			case <-fp.ticker.C:
-				fp.evaluation <- policy.EvaluationResult{}
+				fp.evaluation <- true
 			}
 		}
 	}()
-	return fp.evaluation
+	return fp.evaluation, nil
 }
 
 func (fp *fakePolicy) Disable() error {
@@ -136,7 +135,8 @@ func TestScheduler(t *testing.T) {
 	}
 
 	DefaultScheduler.Stop()
+	<-time.After(1 * time.Second)
 	if DefaultScheduler.policies.Size() != 0 || DefaultScheduler.IsRunning() {
-		t.Fatal("Scheduler is not cleared after stopping")
+		t.Fatal("Scheduler is still running after stopping")
 	}
 }

src/common/scheduler/watcher.go

@@ -58,7 +58,11 @@ func (wc *Watcher) Start() {
 			wc.isRunning = false
 		}()
 
-		evalChan := pl.Evaluate()
+		evalChan, err := pl.Evaluate()
+		if err != nil {
+			log.Errorf("Failed to evaluate ploicy %s with error: %s\n", pl.Name(), err.Error())
+			return
+		}
 		done := pl.Done()
 
 		for {

src/common/utils/utils_test.go

@@ -243,3 +243,23 @@ func TestParseHarborIDOrName(t *testing.T) {
 	assert.Equal(t, int64(0), id)
 	assert.Equal(t, "project", name)
 }
+
+type testingStruct struct {
+	Name  string
+	Count int
+}
+
+func TestConvertMapToStruct(t *testing.T) {
+	dataMap := make(map[string]interface{})
+	dataMap["Name"] = "testing"
+	dataMap["Count"] = 100
+
+	obj := &testingStruct{}
+	if err := ConvertMapToStruct(obj, dataMap); err != nil {
+		t.Fatal(err)
+	} else {
+		if obj.Name != "testing" || obj.Count != 100 {
+			t.Fail()
+		}
+	}
+}

src/ui/api/utils_test.go

@@ -21,7 +21,7 @@ var jsonText = `
 
 func TestWatchConfiguration(t *testing.T) {
 	now := time.Now().UTC()
-	offset := (now.Hour+1)*3600 + now.Minute*60
+	offset := (now.Hour()+1)*3600 + now.Minute()*60
 	jsonT := strings.Replace(jsonText, "<PLACE_HOLDER>", strconv.Itoa(offset), -1)
 	v := make(map[string]interface{})
 	if err := json.Unmarshal([]byte(jsonT), &v); err != nil {

src/ui/main.go

@@ -17,6 +17,7 @@ package main
 import (
 	"fmt"
 	"os"
+	"reflect"
 
 	"github.com/vmware/harbor/src/common/utils"
 	"github.com/vmware/harbor/src/common/utils/log"
@@ -111,11 +112,13 @@ func main() {
 	if scanAllPolicy.Type == notifier.PolicyTypeDaily {
 		dailyTime := 0
 		if t, ok := scanAllPolicy.Parm["daily_time"]; ok {
-			dailyTime = t
+			if reflect.TypeOf(t).Kind() == reflect.Int {
+				dailyTime = t.(int)
+			}
 		}
 
 		//Send notification to handle first policy change.
-		notifier.publish(notifier.ScanAllPolicyTopic, notifier.ScanPolicyNotification{scanAllPolicy.Type, dailyTime})
+		notifier.Publish(notifier.ScanAllPolicyTopic, notifier.ScanPolicyNotification{Type: scanAllPolicy.Type, DailyTime: (int64)(dailyTime)})
 	}
 
 	filter.Init()