taskcafe/internal/commands/worker.go

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package commands
import (
"fmt"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"time"
"github.com/RichardKnop/machinery/v1"
"github.com/RichardKnop/machinery/v1/config"
queueLog "github.com/RichardKnop/machinery/v1/log"
"github.com/jmoiron/sqlx"
repo "github.com/jordanknott/taskcafe/internal/db"
"github.com/jordanknott/taskcafe/internal/notification"
log "github.com/sirupsen/logrus"
)
func newWorkerCmd() *cobra.Command {
cc := &cobra.Command{
Use: "worker",
Short: "Run the task queue worker",
Long: "Run the task queue worker",
RunE: func(cmd *cobra.Command, args []string) error {
Formatter := new(log.TextFormatter)
Formatter.TimestampFormat = "02-01-2006 15:04:05"
Formatter.FullTimestamp = true
log.SetFormatter(Formatter)
log.SetLevel(log.InfoLevel)
connection := fmt.Sprintf("user=%s password=%s host=%s dbname=%s sslmode=disable",
viper.GetString("database.user"),
viper.GetString("database.password"),
viper.GetString("database.host"),
viper.GetString("database.name"),
)
db, err := sqlx.Connect("postgres", connection)
if err != nil {
log.Panic(err)
}
db.SetMaxOpenConns(25)
db.SetMaxIdleConns(25)
db.SetConnMaxLifetime(5 * time.Minute)
defer db.Close()
var cnf = &config.Config{
Broker: viper.GetString("queue.broker"),
DefaultQueue: "machinery_tasks",
ResultBackend: viper.GetString("queue.store"),
AMQP: &config.AMQPConfig{
Exchange: "machinery_exchange",
ExchangeType: "direct",
BindingKey: "machinery_task",
},
}
log.Info("starting task queue server instance")
server, err := machinery.NewServer(cnf)
if err != nil {
// do something with the error
}
queueLog.Set(&notification.MachineryLogger{})
repo := *repo.NewRepository(db)
notification.RegisterTasks(server, repo)
worker := server.NewWorker("taskcafe_worker", 10)
log.Info("starting task queue worker")
err = worker.Launch()
if err != nil {
log.WithError(err).Error("error while launching ")
return err
}
return nil
},
}
viper.SetDefault("database.host", "127.0.0.1")
viper.SetDefault("database.name", "taskcafe")
viper.SetDefault("database.user", "taskcafe")
viper.SetDefault("database.password", "taskcafe_test")
viper.SetDefault("queue.broker", "amqp://guest:guest@localhost:5672/")
viper.SetDefault("queue.store", "memcache://localhost:11211")
return cc
}