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package main
import (
"fmt"
"os"
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"os/exec"
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"os/signal"
"path"
"syscall"
"time"
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"github.com/aerogo/log"
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"github.com/fatih/color"
)
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var colorPool = []*color.Color{
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color.New(color.FgHiGreen),
color.New(color.FgHiYellow),
color.New(color.FgHiBlue),
color.New(color.FgHiMagenta),
color.New(color.FgHiCyan),
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color.New(color.FgGreen),
}
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var jobs = map[string]time.Duration{
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"active-users": 1 * time.Minute,
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"forum-activity": 1 * time.Minute,
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"anime-ratings": 10 * time.Minute,
"airing-anime": 10 * time.Minute,
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"statistics": 15 * time.Minute,
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"popular-anime": 20 * time.Minute,
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"avatars": 30 * time.Minute,
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"twist": 1 * time.Hour,
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"sync-shoboi": 8 * time.Hour,
"refresh-episodes": 10 * time.Hour,
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"refresh-track-titles": 10 * time.Hour,
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"refresh-osu": 12 * time.Hour,
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"sync-anime": 12 * time.Hour,
"search-index": 12 * time.Hour,
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}
func main() {
// Start all jobs defined in the map above
startJobs()
// Wait for program termination
wait()
}
func startJobs() {
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// Get the directory the executable is in
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exe, err := os.Executable()
if err != nil {
panic(err)
}
root := path.Dir(exe)
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// Log paths
logsPath := path.Join(root, "../", "logs")
jobLogsPath := path.Join(root, "../", "logs", "jobs")
os.Mkdir(jobLogsPath, 0777)
// Scheduler log
mainLog := log.New()
mainLog.AddOutput(os.Stdout)
mainLog.AddOutput(log.File(path.Join(logsPath, "scheduler.log")))
schedulerLog := mainLog
// Color index
colorIndex := 0
// Start each job
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for job, interval := range jobs {
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jobName := job
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jobInterval := interval
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executable := path.Join(root, jobName, jobName)
jobColor := colorPool[colorIndex].SprintFunc()
jobLog := log.New()
jobLog.AddOutput(log.File(path.Join(jobLogsPath, jobName+".log")))
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fmt.Printf("Registered job %s for execution every %v\n", jobColor(jobName), interval)
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go func() {
ticker := time.NewTicker(jobInterval)
defer ticker.Stop()
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var err error
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for {
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// Wait for the given interval first
<-ticker.C
// Now start
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schedulerLog.Info("Starting " + jobColor(jobName))
cmd := exec.Command(executable)
cmd.Stdout = jobLog
cmd.Stderr = jobLog
err = cmd.Start()
if err != nil {
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schedulerLog.Error("Error starting job", jobColor(jobName), err)
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}
err = cmd.Wait()
if err != nil {
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schedulerLog.Error("Job exited with error", jobColor(jobName), err)
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}
schedulerLog.Info("Finished " + jobColor(jobName))
jobLog.Info("--------------------------------------------------------------------------------")
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}
}()
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colorIndex = (colorIndex + 1) % len(colorPool)
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}
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// Finished job registration
println("--------------------------------------------------------------------------------")
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}
func wait() {
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
<-stop
}