bugfix + reset timed out tasks

api/main.go

@@ -40,13 +40,19 @@ func Index(r *Request) {
 func (api *WebAPI) setupMonitoring() {
 
 	api.Cron = cron.New()
-	schedule := cron.Every(config.Cfg.MonitoringInterval)
+	monSchedule := cron.Every(config.Cfg.MonitoringInterval)
-	api.Cron.Schedule(schedule, cron.FuncJob(api.Database.MakeProjectSnapshots))
+	api.Cron.Schedule(monSchedule, cron.FuncJob(api.Database.MakeProjectSnapshots))
+
+	timeoutSchedule := cron.Every(config.Cfg.ResetTimedOutTasksInterval)
+	api.Cron.Schedule(timeoutSchedule, cron.FuncJob(api.Database.ResetTimedOutTasks))
 	api.Cron.Start()
 
 	logrus.WithFields(logrus.Fields{
 		"every": config.Cfg.MonitoringInterval.String(),
 	}).Info("Started monitoring")
+	logrus.WithFields(logrus.Fields{
+		"every": config.Cfg.ResetTimedOutTasksInterval.String(),
+	}).Info("Started task cleanup cron")
 }
 
 func New() *WebAPI {

api/task.go

@@ -230,13 +230,12 @@ func (api *WebAPI) ReleaseTask(r *Request) {
 
 	if !res {
 		response.Message = "Task was not marked as closed"
-	} else {
+	}
 
 	logrus.WithFields(logrus.Fields{
 		"releaseTaskRequest": req,
 		"taskUpdated":        res,
 	}).Trace("Release task")
-	}
 
 	r.OkJson(response)
 }

config.yml

@@ -23,3 +23,6 @@ session:
 monitoring:
   snapshot_interval: "120s"
   history_length: "400h"
+
+maintenance:
+  reset_timed_out_tasks_interval: "5m"

config/config.go

@@ -17,6 +17,7 @@ var Cfg struct {
 	SessionCookieName          string
 	SessionCookieExpiration    time.Duration
 	MonitoringInterval         time.Duration
+	ResetTimedOutTasksInterval time.Duration
 	MonitoringHistory          time.Duration
 }
 
@@ -44,6 +45,8 @@ func SetupConfig() {
 	Cfg.SessionCookieExpiration, err = time.ParseDuration(viper.GetString("session.expiration"))
 	Cfg.MonitoringInterval, err = time.ParseDuration(viper.GetString("monitoring.snapshot_interval"))
 	handleErr(err)
+	Cfg.ResetTimedOutTasksInterval, err = time.ParseDuration(viper.GetString("maintenance.reset_timed_out_tasks_interval"))
+	handleErr(err)
 	Cfg.MonitoringHistory, err = time.ParseDuration(viper.GetString("monitoring.history_length"))
 	handleErr(err)
 }

schema.sql

@@ -155,7 +155,8 @@ BEGIN
     INSERT INTO worker_verifies_task (worker, verification_hash, task)
     SELECT wid, ver, task.id
     FROM task
-    WHERE assignee = wid;
+    WHERE assignee = wid
+      AND task.id = tid;
 
     DELETE
     FROM task

storage/maintenance.go

@@ -1,5 +1,9 @@
 package storage
 
+import (
+	"github.com/Sirupsen/logrus"
+)
+
 func (database *Database) ResetFailedTasks(pid int64) int64 {
 
 	db := database.getDB()
@@ -11,3 +15,20 @@ func (database *Database) ResetFailedTasks(pid int64) int64 {
 	rowsAffected, _ := res.RowsAffected()
 	return rowsAffected
 }
+
+func (database *Database) ResetTimedOutTasks() {
+
+	db := database.getDB()
+
+	res, err := db.Exec(`
+		UPDATE task SET assignee=NULL, assign_time=NULL
+		WHERE status=1 AND assignee IS NOT NULL
+		AND extract(epoch from now() at time zone 'utc') > (assign_time + max_assign_time);`)
+	handleErr(err)
+
+	rowsAffected, _ := res.RowsAffected()
+
+	logrus.WithFields(logrus.Fields{
+		"rowsAffected": rowsAffected,
+	}).Info("Reset timed out tasks")
+}

storage/task.go

@@ -113,7 +113,7 @@ func (database *Database) GetTaskFromProject(worker *Worker, projectId int64) *T
 	(
 		SELECT task.id
 	FROM task
-	INNER JOIN project project on task.project = project.id
+	INNER JOIN project on task.project = project.id
 	LEFT JOIN worker_verifies_task wvt on task.id = wvt.task AND wvt.worker=$1
 	WHERE NOT project.paused AND assignee IS NULL AND project.id=$2 AND status=1
 		AND (project.public OR (

test/config.yml

@@ -19,3 +19,6 @@ session:
 monitoring:
   snapshot_interval: "10h"
   history_length: "10h"
+
+maintenance:
+  reset_timed_out_tasks_interval: "5m"

test/schema.sql

@@ -155,7 +155,8 @@ BEGIN
     INSERT INTO worker_verifies_task (worker, verification_hash, task)
     SELECT wid, ver, task.id
     FROM task
-    WHERE assignee = wid;
+    WHERE assignee = wid
+      AND task.id = tid;
 
     DELETE
     FROM task
@@ -176,3 +177,4 @@ BEGIN
   RETURN res IS NOT NULL;
 END;
 $$ LANGUAGE 'plpgsql';
+