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main.go
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main.go
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package main
import (
"context"
"fmt"
"net/http"
"os"
"os/signal"
"path"
"runtime"
"syscall"
"time"
"github.com/deepfence/ThreatMapper/deepfence_utils/directory"
"github.com/deepfence/ThreatMapper/deepfence_utils/log"
"github.com/deepfence/ThreatMapper/deepfence_utils/utils"
"github.com/deepfence/ThreatMapper/deepfence_worker/controls"
cs "github.com/deepfence/ThreatMapper/deepfence_worker/cronscheduler"
"github.com/deepfence/ThreatMapper/deepfence_worker/processors"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/kelseyhightower/envconfig"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/rs/zerolog"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/jaeger"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/sdk/resource"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
"go.opentelemetry.io/otel/trace/noop"
wtils "github.com/deepfence/ThreatMapper/deepfence_worker/utils"
)
func main() {
log.Info().Msgf("\n version: %s\n commit: %s\n build-time: %s\n",
wtils.Version, wtils.Commit, wtils.BuildTime)
var cfg wtils.Config
var err error
err = envconfig.Process("DEEPFENCE", &cfg)
if err != nil {
log.Fatal().Msg(err.Error())
}
dir, err := os.ReadDir("/tmp")
if err != nil {
log.Fatal().Msg(err.Error())
}
for _, d := range dir {
os.RemoveAll(path.Join([]string{"tmp", d.Name()}...))
}
log.Info().Msgf("config: %+v", cfg)
if cfg.Debug {
_ = log.Initialize(zerolog.LevelDebugValue)
} else {
_ = log.Initialize(zerolog.LevelInfoValue)
}
// check connection to kafka broker
err = utils.CheckKafkaConn(cfg.KafkaBrokers)
if err != nil {
log.Fatal().Err(err).Msg("Kafka connection check failed")
}
log.Info().Msgf("connection successful to kafka brokers %v", cfg.KafkaBrokers)
err = initializeTelemetry(cfg.Mode)
if err != nil {
log.Fatal().Err(err).Msg("Telemetry initialization failed")
}
if cfg.Debug {
runtime.SetBlockProfileRate(1)
runtime.SetMutexProfileFraction(1)
}
// new router
router := chi.NewRouter()
// profiler, enabled in debug mode
if cfg.Debug {
router.Mount("/debug", middleware.Profiler())
}
// metrics
router.Handle("/metrics", promhttp.HandlerFor(NewMetrics(cfg.Mode), promhttp.HandlerOpts{EnableOpenMetrics: true}))
srv := &http.Server{Addr: "0.0.0.0:" + cfg.MetricsPort, Handler: router}
go func() {
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Error().Msgf("Server listen failed: %s", err)
}
}()
switch cfg.Mode {
case "ingester":
log.Info().Msg("Starting ingester")
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
ingester, err := processors.NewIngester(directory.NonSaaSDirKey, cfg, cancel)
if err != nil {
log.Fatal().Msg(err.Error())
}
ingester.Start(ctx)
// wait for shutdown
<-ctx.Done()
case "worker":
log.Info().Msg("Starting worker")
if err := controls.ConsoleActionSetup(); err != nil {
log.Error().Msg(err.Error())
return
}
worker, kafkaCancel, err := NewWorker(directory.NonSaaSDirKey, cfg)
defer kafkaCancel()
if err != nil {
log.Fatal().Msg(err.Error())
}
log.Info().Msg("Starting the worker")
err = worker.Run(context.Background())
if err != nil {
log.Error().Msg(err.Error())
return
}
case "scheduler":
log.Info().Msg("Starting scheduler")
go cs.InitFileServerDatabase()
time.Sleep(10 * time.Second)
scheduler, err := cs.NewScheduler()
if err != nil {
log.Error().Msg(err.Error())
return
}
scheduler.Init()
scheduler.Run()
default:
log.Fatal().Msgf("unknown mode %s", cfg.Mode)
}
}
func initializeTelemetry(mode string) error {
telemetryEnabled := os.Getenv("DEEPFENCE_TELEMETRY_ENABLED") != "false"
if telemetryEnabled {
telemetryHost := utils.GetEnvOrDefault("DEEPFENCE_TELEMETRY_HOST", "deepfence-telemetry")
telemetryPort := utils.GetEnvOrDefault("DEEPFENCE_TELEMETRY_PORT", "14268")
telemetryEndpoint := fmt.Sprintf("http://%s:%s/api/traces", telemetryHost, telemetryPort)
log.Info().Msgf("sending traces to endpoint %s", telemetryEndpoint)
exp, err := jaeger.New(
jaeger.WithCollectorEndpoint(
jaeger.WithEndpoint(telemetryEndpoint),
),
)
if err != nil {
return err
}
tp := tracesdk.NewTracerProvider(
tracesdk.WithBatcher(exp),
tracesdk.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String("deepfence-"+mode),
attribute.String("environment", "dev"),
)),
)
otel.SetTracerProvider(tp)
} else {
log.Info().Msgf("setting up noop tracer provider")
// set a noop tracer provider
otel.SetTracerProvider(noop.NewTracerProvider())
}
otel.SetTextMapPropagator(
propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{}),
)
return nil
}