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https://codeberg.org/forgejo/forgejo.git
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1380a46623
Backport #27544 by @earl-warren
- Currently in the cron tasks, the 'Previous Time' only displays the
previous time of when the cron library executes the function, but not
any of the manual executions of the task.
- Store the last run's time in memory in the Task struct and use that,
when that time is later than time that the cron library has executed
this task.
- This ensures that if an instance admin manually starts a task, there's
feedback that this task is/has been run, because the task might be run
that quick, that the status icon already has been changed to an
checkmark,
- Tasks that are executed at startup now reflect this as well, as the
time of the execution of that task on startup is now being shown as
'Previous Time'.
- Added integration tests for the API part, which is easier to test
because querying the HTML table of cron tasks is non-trivial.
- Resolves https://codeberg.org/forgejo/forgejo/issues/949
(cherry picked from commit fd34fdac14
)
Co-authored-by: Earl Warren <109468362+earl-warren@users.noreply.github.com>
Co-authored-by: Gusted <postmaster@gusted.xyz>
Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
Co-authored-by: silverwind <me@silverwind.io>
228 lines
6.1 KiB
Go
228 lines
6.1 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cron
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import (
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"context"
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"fmt"
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"reflect"
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"strings"
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"sync"
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"time"
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"code.gitea.io/gitea/models/db"
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system_model "code.gitea.io/gitea/models/system"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/process"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/translation"
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)
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var (
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lock = sync.Mutex{}
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started = false
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tasks = []*Task{}
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tasksMap = map[string]*Task{}
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)
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// Task represents a Cron task
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type Task struct {
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lock sync.Mutex
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Name string
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config Config
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fun func(context.Context, *user_model.User, Config) error
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Status string
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LastMessage string
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LastDoer string
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ExecTimes int64
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// This stores the time of the last manual run of this task.
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LastRun time.Time
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}
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// DoRunAtStart returns if this task should run at the start
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func (t *Task) DoRunAtStart() bool {
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return t.config.DoRunAtStart()
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}
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// IsEnabled returns if this task is enabled as cron task
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func (t *Task) IsEnabled() bool {
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return t.config.IsEnabled()
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}
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// GetConfig will return a copy of the task's config
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func (t *Task) GetConfig() Config {
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if reflect.TypeOf(t.config).Kind() == reflect.Ptr {
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// Pointer:
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return reflect.New(reflect.ValueOf(t.config).Elem().Type()).Interface().(Config)
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}
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// Not pointer:
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return reflect.New(reflect.TypeOf(t.config)).Elem().Interface().(Config)
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}
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// Run will run the task incrementing the cron counter with no user defined
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func (t *Task) Run() {
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t.RunWithUser(&user_model.User{
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ID: -1,
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Name: "(Cron)",
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LowerName: "(cron)",
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}, t.config)
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}
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// RunWithUser will run the task incrementing the cron counter at the time with User
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func (t *Task) RunWithUser(doer *user_model.User, config Config) {
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if !taskStatusTable.StartIfNotRunning(t.Name) {
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return
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}
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t.lock.Lock()
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if config == nil {
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config = t.config
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}
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t.ExecTimes++
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t.lock.Unlock()
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defer func() {
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taskStatusTable.Stop(t.Name)
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if err := recover(); err != nil {
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// Recover a panic within the
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combinedErr := fmt.Errorf("%s\n%s", err, log.Stack(2))
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log.Error("PANIC whilst running task: %s Value: %v", t.Name, combinedErr)
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}
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}()
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graceful.GetManager().RunWithShutdownContext(func(baseCtx context.Context) {
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// Store the time of this run, before the function is executed, so it
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// matches the behavior of what the cron library does.
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t.lock.Lock()
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t.LastRun = time.Now()
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t.lock.Unlock()
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pm := process.GetManager()
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doerName := ""
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if doer != nil && doer.ID != -1 {
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doerName = doer.Name
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}
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ctx, _, finished := pm.AddContext(baseCtx, config.FormatMessage(translation.NewLocale("en-US"), t.Name, "process", doerName))
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defer finished()
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if err := t.fun(ctx, doer, config); err != nil {
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var message string
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var status string
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if db.IsErrCancelled(err) {
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status = "cancelled"
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message = err.(db.ErrCancelled).Message
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} else {
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status = "error"
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message = err.Error()
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}
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t.lock.Lock()
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t.LastMessage = message
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t.Status = status
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t.LastDoer = doerName
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t.lock.Unlock()
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if err := system_model.CreateNotice(ctx, system_model.NoticeTask, config.FormatMessage(translation.NewLocale("en-US"), t.Name, "cancelled", doerName, message)); err != nil {
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log.Error("CreateNotice: %v", err)
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}
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return
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}
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t.lock.Lock()
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t.Status = "finished"
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t.LastMessage = ""
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t.LastDoer = doerName
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t.lock.Unlock()
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if config.DoNoticeOnSuccess() {
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if err := system_model.CreateNotice(ctx, system_model.NoticeTask, config.FormatMessage(translation.NewLocale("en-US"), t.Name, "finished", doerName)); err != nil {
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log.Error("CreateNotice: %v", err)
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}
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}
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})
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}
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// GetTask gets the named task
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func GetTask(name string) *Task {
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lock.Lock()
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defer lock.Unlock()
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log.Info("Getting %s in %v", name, tasksMap[name])
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return tasksMap[name]
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}
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// RegisterTask allows a task to be registered with the cron service
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func RegisterTask(name string, config Config, fun func(context.Context, *user_model.User, Config) error) error {
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log.Debug("Registering task: %s", name)
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i18nKey := "admin.dashboard." + name
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if value := translation.NewLocale("en-US").Tr(i18nKey); value == i18nKey {
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return fmt.Errorf("translation is missing for task %q, please add translation for %q", name, i18nKey)
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}
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_, err := setting.GetCronSettings(name, config)
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if err != nil {
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log.Error("Unable to register cron task with name: %s Error: %v", name, err)
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return err
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}
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task := &Task{
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Name: name,
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config: config,
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fun: fun,
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}
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lock.Lock()
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locked := true
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defer func() {
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if locked {
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lock.Unlock()
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}
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}()
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if _, has := tasksMap[task.Name]; has {
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log.Error("A task with this name: %s has already been registered", name)
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return fmt.Errorf("duplicate task with name: %s", task.Name)
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}
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if config.IsEnabled() {
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// We cannot use the entry return as there is no way to lock it
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if err := addTaskToScheduler(task); err != nil {
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return err
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}
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}
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tasks = append(tasks, task)
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tasksMap[task.Name] = task
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if started && config.IsEnabled() && config.DoRunAtStart() {
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lock.Unlock()
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locked = false
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task.Run()
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}
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return nil
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}
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// RegisterTaskFatal will register a task but if there is an error log.Fatal
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func RegisterTaskFatal(name string, config Config, fun func(context.Context, *user_model.User, Config) error) {
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if err := RegisterTask(name, config, fun); err != nil {
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log.Fatal("Unable to register cron task %s Error: %v", name, err)
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}
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}
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func addTaskToScheduler(task *Task) error {
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tags := []string{task.Name, task.config.GetSchedule()} // name and schedule can't be get from job, so we add them as tag
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if scheduleHasSeconds(task.config.GetSchedule()) {
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scheduler = scheduler.CronWithSeconds(task.config.GetSchedule())
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} else {
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scheduler = scheduler.Cron(task.config.GetSchedule())
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}
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if _, err := scheduler.Tag(tags...).Do(task.Run); err != nil {
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log.Error("Unable to register cron task with name: %s Error: %v", task.Name, err)
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return err
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}
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return nil
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}
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func scheduleHasSeconds(schedule string) bool {
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return len(strings.Fields(schedule)) >= 6
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}
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