fix golint and go vet issue

src/common/dao/scan_job.go

@@ -84,7 +84,7 @@ func UpdateScanJobStatus(id int64, status string) error {
 	return err
 }
 
-// SetScanJobDigest set UUID to the record so it associates with the job in job service.
+// SetScanJobUUID set UUID to the record so it associates with the job in job service.
 func SetScanJobUUID(id int64, uuid string) error {
 	o := GetOrmer()
 	sj := models.ScanJob{

src/common/job/parms.go

@@ -5,7 +5,7 @@ type ScanJobParms struct {
 	JobID         int64  `json:"job_int_id"`
 	Repository    string `json:"repository"`
 	Tag           string `json:"tag"`
-	Digest        string `json:digest"`
+	Digest        string `json:"digest"`
 	Secret        string `json:"job_service_secret"`
 	RegistryURL   string `json:"registry_url"`
 	ClairEndpoint string `json:"clair_endpoint"`

src/ui/utils/job.go

@@ -85,6 +85,7 @@ func scanRepos(repos []*models.RepoRecord) {
 	}
 }
 
+// GetJobServiceClient returns the job service client instance.
 func GetJobServiceClient() job.Client {
 	cl.Lock()
 	defer cl.Unlock()