ess-etl-go/cmd/etl/main.go

122 lines
2.7 KiB
Go
Raw Normal View History

package main
import (
"context"
"flag"
"log"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"runtime/pprof"
"runtime/trace"
"syscall"
2023-04-05 19:04:52 +02:00
"gitea.urkob.com/urko/crono"
"gitea.urkob.com/urko/ess-etl-go/config"
"gitea.urkob.com/urko/ess-etl-go/internal/etl"
"gitea.urkob.com/urko/ess-etl-go/internal/request"
"gitea.urkob.com/urko/ess-etl-go/internal/xml_loader"
"gitea.urkob.com/urko/ess-etl-go/pkg/adapter/repository/mongodb/employee_wi"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
var traceflag = flag.Bool("trace", false, "write trace to file")
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
// Add pprof endpoints
go func() {
if *cpuprofile != "" {
log.Println(http.ListenAndServe("localhost:6060", nil))
}
}()
if *traceflag {
log.Println("trace on")
trace.Start(os.Stdout)
}
defer func() {
if *traceflag {
trace.Stop()
}
}()
cr := crono.New()
if !*traceflag {
defer cr.Table()
}
cfg := config.NewConfig(".env")
ctx := context.Background()
dbOpts := options.Client()
dbOpts.ApplyURI(cfg.DbAddress)
client, err := mongo.NewClient(dbOpts)
if err != nil {
log.Fatalln("mongo.NewClient", err)
}
log.Println("mongodb client is connected")
if err = client.Connect(ctx); err != nil {
log.Fatalln("client.Connect", err)
}
employeeWICollection := client.Database(cfg.DbName).Collection(cfg.EmployeeWorkInformationCollection)
if err = employeeWICollection.Drop(ctx); err != nil {
log.Fatalln("employeeWICollection.Drop", err)
}
repo := employee_wi.NewRepo(employeeWICollection)
r := request.NewRequestService(cfg.AmsApi, cfg.AmsApiKey)
ewiLoader := xml_loader.NewEmployeeWILoader(r)
from, to := "2023-01-01", "2023-01-31"
cr.MarkAndRestart("dependencies loaded")
etlLoader := etl.New(ewiLoader, repo)
// err = etlLoader.FanOut(ctx, cfg.EmployeeIdList, from, to)
err = etlLoader.FanOut2(ctx, cfg.EmployeeIdList, from, to)
//err = etlLoader.Main(signalContext(ctx), cr, cfg.EmployeeIdList, from, to)
if err != nil {
log.Fatalln("etlLoader.FanOut", err)
}
cr.MarkAndRestart("FanOut")
log.Println("gracefully shutdown")
}
func signalContext(ctx context.Context) context.Context {
ctx, cancel := context.WithCancel(ctx)
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
go func() {
log.Println("listening for shutdown signal")
<-sigs
log.Println("shutdown signal received")
signal.Stop(sigs)
close(sigs)
cancel()
}()
return ctx
}