136 lines
3.2 KiB
Go
136 lines
3.2 KiB
Go
package main
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import (
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"context"
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"github.com/Kichiyaki/appmode"
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"github.com/Kichiyaki/goutil/envutil"
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"github.com/go-redis/redis/v8"
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"github.com/pkg/errors"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/sirupsen/logrus"
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twhelpcron "github.com/tribalwarshelp/cron/pkg/cron"
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"github.com/tribalwarshelp/cron/pkg/postgres"
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"github.com/tribalwarshelp/cron/pkg/queue"
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"github.com/joho/godotenv"
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)
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func init() {
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if err := setupENVs(); err != nil {
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logrus.Fatal(err)
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}
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setupLogger()
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}
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func main() {
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redisClient, err := initializeRedis()
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if err != nil {
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logrus.Fatal(errors.Wrap(err, "Couldn't connect to Redis"))
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}
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defer func() {
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if err := redisClient.Close(); err != nil {
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logrus.Warn(errors.Wrap(err, "Couldn't close the Redis connection"))
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}
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}()
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dbConn, err := postgres.Connect(nil)
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if err != nil {
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logrus.Fatal(errors.Wrap(err, "Couldn't connect to the db"))
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}
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defer func() {
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if err := dbConn.Close(); err != nil {
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logrus.Warn(errors.Wrap(err, "Couldn't close the db connection"))
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}
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}()
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q, err := queue.New(&queue.Config{
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DB: dbConn,
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Redis: redisClient,
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WorkerLimit: envutil.GetenvInt("WORKER_LIMIT"),
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})
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if err != nil {
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logrus.Fatal(errors.Wrap(err, "Couldn't initialize a queue"))
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}
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if err := q.Start(context.Background()); err != nil {
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logrus.Fatal(errors.Wrap(err, "Couldn't start the queue"))
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}
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c, err := twhelpcron.New(&twhelpcron.Config{
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DB: dbConn,
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Queue: q,
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RunOnInit: envutil.GetenvBool("RUN_ON_INIT"),
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})
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if err != nil {
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logrus.Fatal(errors.Wrap(err, "Couldn't initialize a cron instance"))
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}
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if err := c.Start(); err != nil {
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logrus.Fatal(errors.Wrap(err, "Couldn't start the cron"))
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}
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defer c.Stop()
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logrus.Info("Cron is up and running!")
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channel := make(chan os.Signal, 1)
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signal.Notify(channel, os.Interrupt, os.Kill, syscall.SIGTERM, syscall.SIGINT)
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<-channel
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logrus.Info("shutting down")
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if err := q.Close(); err != nil {
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logrus.Fatal(err)
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}
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}
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func setupENVs() error {
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err := os.Setenv("TZ", "UTC")
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if err != nil {
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return errors.Wrap(err, "setupENVs")
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}
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if appmode.Equals(appmode.DevelopmentMode) {
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err := godotenv.Load(".env.local")
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if err != nil {
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return errors.Wrap(err, "setupENVs")
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}
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}
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return nil
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}
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func setupLogger() {
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if appmode.Equals(appmode.DevelopmentMode) {
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logrus.SetLevel(logrus.DebugLevel)
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}
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timestampFormat := "2006-01-02 15:04:05"
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if appmode.Equals(appmode.ProductionMode) {
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customFormatter := new(logrus.JSONFormatter)
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customFormatter.TimestampFormat = timestampFormat
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logrus.SetFormatter(customFormatter)
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} else {
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customFormatter := new(logrus.TextFormatter)
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customFormatter.TimestampFormat = timestampFormat
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customFormatter.FullTimestamp = true
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logrus.SetFormatter(customFormatter)
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}
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}
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func initializeRedis() (redis.UniversalClient, error) {
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client := redis.NewClient(&redis.Options{
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Addr: envutil.GetenvString("REDIS_ADDR"),
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Username: envutil.GetenvString("REDIS_USERNAME"),
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Password: envutil.GetenvString("REDIS_PASSWORD"),
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DB: envutil.GetenvInt("REDIS_DB"),
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})
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := client.Ping(ctx).Err(); err != nil {
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return nil, errors.Wrap(err, "initializeRedis")
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}
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return client, nil
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}
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