126 lines
2.3 KiB
Go
126 lines
2.3 KiB
Go
package task
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import (
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"fmt"
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"time"
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cron "github.com/robfig/cron/v3"
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"github.com/rs/zerolog"
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"kumoly.io/kumoly/app/util"
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)
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var l zerolog.Logger
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var clog = mylogger{}
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var c *cron.Cron
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func init() {
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// viper.Set("task.runner", 5)
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}
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func Init() {
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l = util.Klog.With().Str("mod", "task").Logger()
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c = cron.New(
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cron.WithLogger(&clog),
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cron.WithChain(func(j cron.Job) cron.Job {
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t, ok := j.(*_task)
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if ok {
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l.Debug().Str("taskid", t.Task.ID).Msg("")
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}
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return j
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}),
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cron.WithLocation(time.Local))
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}
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type Task struct {
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ID string
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Description string
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Group string
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// Func is the stored function that will be called with the args,
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// and a interface to carry value will be provided as the first argument
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// args will be passed after carry, in order to normalize,
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// it is suggested to use strings or other simple types
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Func func(c *interface{}, args ...interface{}) error `json:"-"`
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}
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type _task struct {
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Task *Task
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name string
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id cron.EntryID
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args []interface{}
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spec string
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once bool
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// carry value to the next run. Should be modified from the Task.Func
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carry *interface{}
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}
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func (t *_task) Run() {
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if t.carry == nil {
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t.carry = new(interface{})
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}
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defer func() {
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if err := recover(); err != nil {
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le := l.Error().Str("task_id", t.Task.ID).Str("task_name", t.name).
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Str("error", fmt.Sprint(err))
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if !util.PROD {
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le.Str("trace", util.Stack())
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}
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le.Msg("task paniced")
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} else if t.once {
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c.Remove(t.id)
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}
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}()
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l.Info().Str("task_id", t.Task.ID).
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Str("task_name", t.name).
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Msg("task started.")
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err := t.Task.Func(t.carry, t.args...)
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if err != nil {
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l.Error().Err(err).Str("task_id", t.Task.ID).
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Str("task_name", t.name).Msg("task error")
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}
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Reporter <- &Report{
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Entry: t.id,
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ID: t.Task.ID,
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Description: t.Task.Description,
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Group: t.Task.Group,
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Name: t.name,
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Spec: t.spec,
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Once: t.once,
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Args: t.args,
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Carry: t.carry,
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Error: err,
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}
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}
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func Start() {
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if len(started) == 1 {
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return
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}
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started <- struct{}{}
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c.Start()
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go func() {
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for {
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select {
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case r := <-Reporter:
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wg.Add(1)
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ReportReceiver(r)
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wg.Done()
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case <-quit:
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<-started
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return
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}
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}
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}()
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}
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func Stop() {
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if len(started) == 0 {
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return
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}
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quit <- struct{}{}
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<-c.Stop().Done()
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wg.Wait()
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}
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