update gc api to support raw cron string

Signed-off-by: wang yan <wangyan@vmware.com>

docs/swagger.yaml

@@ -4671,15 +4671,10 @@ definitions:
     properties:
       type:
         type: string
-        description: The schedule type. The valid values are daily， weekly and None. 'None' means to cancel the schedule.
+        description: The schedule type. The valid values are hourly, daily， weekly, custom and None. 'None' means to cancel the schedule.
-      weekday:
+      cron:
-        type: integer
+        type: string
-        format: int8
+        description: A cron expression, a time-based job scheduler.
-        description: 'Optional, only used when the type is weekly. The valid values are 1-7.'
-      offtime:
-        type: integer
-        format: int64
-        description: 'The time offset with the UTC 00:00 in seconds.'
   SearchResult:
     type: object
     description: The chart search result item

src/core/api/models/reg_gc.go

@@ -22,16 +22,20 @@ import (
 	"github.com/astaxie/beego/validation"
 	"github.com/goharbor/harbor/src/common/job"
 	"github.com/goharbor/harbor/src/common/job/models"
-	"github.com/goharbor/harbor/src/common/utils"
 	"github.com/goharbor/harbor/src/common/utils/log"
 	"github.com/goharbor/harbor/src/core/config"
+	"github.com/robfig/cron"
 )
 
 const (
+	// ScheduleHourly : 'Hourly'
+	ScheduleHourly = "Hourly"
 	// ScheduleDaily : 'Daily'
 	ScheduleDaily = "Daily"
 	// ScheduleWeekly : 'Weekly'
 	ScheduleWeekly = "Weekly"
+	// ScheduleCustom : 'Custom'
+	ScheduleCustom = "Custom"
 	// ScheduleManual : 'Manual'
 	ScheduleManual = "Manual"
 	// ScheduleNone : 'None'
@@ -48,12 +52,10 @@ type GCReq struct {
 
 // ScheduleParam defines the parameter of schedule trigger
 type ScheduleParam struct {
-	// Daily, Weekly, Manual, None
+	// Daily, Weekly, Custom, Manual, None
 	Type string `json:"type"`
-	// Optional, only used when type is 'weekly'
+	// The cron string of scheduled job
-	Weekday int8 `json:"weekday"`
+	Cron string `json:"cron"`
-	// The time offset with the UTC 00:00 in seconds
-	Offtime int64 `json:"offtime"`
 }
 
 // GCRep holds the response of query gc
@@ -75,9 +77,9 @@ func (gr *GCReq) Valid(v *validation.Validation) {
 		return
 	}
 	switch gr.Schedule.Type {
-	case ScheduleDaily, ScheduleWeekly:
+	case ScheduleHourly, ScheduleDaily, ScheduleWeekly, ScheduleCustom:
-		if gr.Schedule.Offtime < 0 || gr.Schedule.Offtime > 3600*24 {
+		if _, err := cron.Parse(gr.Schedule.Cron); err != nil {
-			v.SetError("offtime", fmt.Sprintf("Invalid schedule trigger parameter offtime: %d", gr.Schedule.Offtime))
+			v.SetError("cron", fmt.Sprintf("Invalid schedule trigger parameter cron: %s", gr.Schedule.Cron))
 		}
 	case ScheduleManual, ScheduleNone:
 	default:
@@ -85,26 +87,15 @@ func (gr *GCReq) Valid(v *validation.Validation) {
 	}
 }
 
-// ToJob converts request to a job reconiged by job service.
+// ToJob converts request to a job recognized by job service.
-func (gr *GCReq) ToJob() (*models.JobData, error) {
+func (gr *GCReq) ToJob() *models.JobData {
 	metadata := &models.JobMetadata{
 		JobKind: gr.JobKind(),
+		Cron:    gr.Schedule.Cron,
 		// GC job must be unique ...
 		IsUnique: true,
 	}
 
-	switch gr.Schedule.Type {
-	case ScheduleDaily:
-		h, m, s := utils.ParseOfftime(gr.Schedule.Offtime)
-		metadata.Cron = fmt.Sprintf("%d %d %d * * *", s, m, h)
-	case ScheduleWeekly:
-		h, m, s := utils.ParseOfftime(gr.Schedule.Offtime)
-		metadata.Cron = fmt.Sprintf("%d %d %d * * %d", s, m, h, gr.Schedule.Weekday%7)
-	case ScheduleManual, ScheduleNone:
-	default:
-		return nil, fmt.Errorf("unsupported schedule trigger type: %s", gr.Schedule.Type)
-	}
-
 	jobData := &models.JobData{
 		Name:       job.ImageGC,
 		Parameters: gr.Parameters,
@@ -112,7 +103,7 @@ func (gr *GCReq) ToJob() (*models.JobData, error) {
 		StatusHook: fmt.Sprintf("%s/service/notifications/jobs/adminjob/%d",
 			config.InternalCoreURL(), gr.ID),
 	}
-	return jobData, nil
+	return jobData
 }
 
 // IsPeriodic ...
@@ -123,7 +114,7 @@ func (gr *GCReq) IsPeriodic() bool {
 // JobKind ...
 func (gr *GCReq) JobKind() string {
 	switch gr.Schedule.Type {
-	case ScheduleDaily, ScheduleWeekly:
+	case ScheduleHourly, ScheduleDaily, ScheduleWeekly, ScheduleCustom:
 		return job.JobKindPeriodic
 	case ScheduleManual:
 		return job.JobKindGeneric

src/core/api/models/reg_gc_test.go

@@ -41,16 +41,15 @@ func TestMain(m *testing.M) {
 
 func TestToJob(t *testing.T) {
 	schedule := &ScheduleParam{
-		Type:    "Daily",
+		Type: "Daily",
-		Offtime: 200,
+		Cron: "20 3 0 * * *",
 	}
 
 	adminjob := &GCReq{
 		Schedule: schedule,
 	}
 
-	job, err := adminjob.ToJob()
+	job := adminjob.ToJob()
-	assert.Nil(t, err)
 	assert.Equal(t, job.Name, "IMAGE_GC")
 	assert.Equal(t, job.Metadata.JobKind, common_job.JobKindPeriodic)
 	assert.Equal(t, job.Metadata.Cron, "20 3 0 * * *")
@@ -65,29 +64,15 @@ func TestToJobManual(t *testing.T) {
 		Schedule: schedule,
 	}
 
-	job, err := adminjob.ToJob()
+	job := adminjob.ToJob()
-	assert.Nil(t, err)
 	assert.Equal(t, job.Name, "IMAGE_GC")
 	assert.Equal(t, job.Metadata.JobKind, common_job.JobKindGeneric)
 }
 
-func TestToJobErr(t *testing.T) {
-	schedule := &ScheduleParam{
-		Type: "test",
-	}
-
-	adminjob := &GCReq{
-		Schedule: schedule,
-	}
-
-	_, err := adminjob.ToJob()
-	assert.NotNil(t, err)
-}
-
 func TestIsPeriodic(t *testing.T) {
 	schedule := &ScheduleParam{
-		Type:    "Daily",
+		Type: "Daily",
-		Offtime: 200,
+		Cron: "20 3 0 * * *",
 	}
 
 	adminjob := &GCReq{
@@ -100,8 +85,8 @@ func TestIsPeriodic(t *testing.T) {
 
 func TestJobKind(t *testing.T) {
 	schedule := &ScheduleParam{
-		Type:    "Daily",
+		Type: "Daily",
-		Offtime: 200,
+		Cron: "20 3 0 * * *",
 	}
 	adminjob := &GCReq{
 		Schedule: schedule,
@@ -121,12 +106,12 @@ func TestJobKind(t *testing.T) {
 
 func TestCronString(t *testing.T) {
 	schedule := &ScheduleParam{
-		Type:    "Daily",
+		Type: "Daily",
-		Offtime: 102,
+		Cron: "20 3 0 * * *",
 	}
 	adminjob := &GCReq{
 		Schedule: schedule,
 	}
 	cronStr := adminjob.CronString()
-	assert.True(t, strings.EqualFold(cronStr, "{\"type\":\"Daily\",\"Weekday\":0,\"Offtime\":102}"))
+	assert.True(t, strings.EqualFold(cronStr, "{\"type\":\"Daily\",\"Cron\":\"20 3 0 * * *\"}"))
 }

src/core/api/reg_gc.go

@@ -214,7 +214,7 @@ func (gc *GCAPI) GetLog() {
 
 // submitJob submits a job to job service per request
 func (gc *GCAPI) submitJob(gr *models.GCReq) {
-	// cannot post multiple schdule for GC job.
+	// cannot post multiple schedule for GC job.
 	if gr.IsPeriodic() {
 		jobs, err := dao.GetAdminJobs(&common_models.AdminJobQuery{
 			Name: common_job.ImageGC,
@@ -243,7 +243,7 @@ func (gc *GCAPI) submitJob(gr *models.GCReq) {
 	gr.Parameters = map[string]interface{}{
 		"redis_url_reg": os.Getenv("_REDIS_URL_REG"),
 	}
-	job, err := gr.ToJob()
+	job := gr.ToJob()
 	if err != nil {
 		gc.HandleInternalServerError(fmt.Sprintf("%v", err))
 		return

src/core/api/reg_gc_test.go

@@ -54,7 +54,7 @@ func TestConvertToGCRep(t *testing.T) {
 				ID:      1,
 				Name:    "IMAGE_GC",
 				Kind:    "Generic",
-				Cron:    "{\"Type\":\"Manual\",\"Weekday\":0,\"Offtime\":0}",
+				Cron:    "{\"Type\":\"Daily\",\"Cron\":\"20 3 0 * * *\"}",
 				Status:  "pending",
 				Deleted: false,
 			},
@@ -63,9 +63,8 @@ func TestConvertToGCRep(t *testing.T) {
 				Name: "IMAGE_GC",
 				Kind: "Generic",
 				Schedule: &api_modes.ScheduleParam{
-					Type:    "Manual",
+					Type: "Daily",
-					Weekday: 0,
+					Cron: "20 3 0 * * *",
-					Offtime: 0,
 				},
 				Status:  "pending",
 				Deleted: false,