Files
cloudpods/pkg/cloudcommon/db/taskman/localtaskworker.go
2021-04-26 10:45:38 +08:00

79 lines
2.1 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package taskman
import (
"fmt"
"runtime/debug"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/onecloud/pkg/appsrv"
)
var localTaskWorkerMan *appsrv.SWorkerManager
func init() {
localTaskWorkerMan = appsrv.NewWorkerManager("LocalTaskWorkerManager", 4, 1024, false)
}
func Error2TaskData(err error) jsonutils.JSONObject {
errJson := jsonutils.NewDict()
errJson.Add(jsonutils.NewString("ERROR"), "__status__")
errJson.Add(jsonutils.NewString(err.Error()), "__reason__")
return errJson
}
type localTask struct {
task ITask
proc func() (jsonutils.JSONObject, error)
}
func (t *localTask) Run() {
log.Debugf("XXXXXXXXXXXXXXXXXXLOCAL TASK RUN STARTXXXXXXXXXXXXXXXXX")
defer log.Debugf("XXXXXXXXXXXXXXXXXXLOCAL TASK RUN END XXXXXXXXXXXXXXXXX")
defer func() {
if r := recover(); r != nil {
log.Errorf("LocalTaskRun error: %s", r)
debug.PrintStack()
t.task.ScheduleRun(Error2TaskData(fmt.Errorf("LocalTaskRun error: %s", r)))
}
}()
data, err := t.proc()
if err != nil {
t.task.ScheduleRun(Error2TaskData(err))
} else {
t.task.ScheduleRun(data)
}
}
func (t *localTask) Dump() string {
return fmt.Sprintf("StartTime: %s TaskId: %s Params: %s", t.task.GetStartTime(), t.task.GetTaskId(), t.task.GetParams())
}
func LocalTaskRunWithWorkers(task ITask, proc func() (jsonutils.JSONObject, error), wm *appsrv.SWorkerManager) {
t := localTask{
task: task,
proc: proc,
}
wm.Run(&t, nil, nil)
}
func LocalTaskRun(task ITask, proc func() (jsonutils.JSONObject, error)) {
LocalTaskRunWithWorkers(task, proc, localTaskWorkerMan)
}