103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package main
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import (
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"context"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"time"
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"openreplay/backend/internal/canvas-handler"
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config "openreplay/backend/internal/config/canvas-handler"
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"openreplay/backend/pkg/logger"
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"openreplay/backend/pkg/messages"
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"openreplay/backend/pkg/metrics"
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storageMetrics "openreplay/backend/pkg/metrics/imagestorage"
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"openreplay/backend/pkg/objectstorage/store"
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"openreplay/backend/pkg/queue"
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)
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func main() {
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ctx := context.Background()
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log := logger.New()
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cfg := config.New(log)
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metrics.New(log, storageMetrics.List())
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objStore, err := store.NewStore(&cfg.ObjectsConfig)
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if err != nil {
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log.Fatal(ctx, "can't init object storage: %s", err)
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}
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srv, err := canvas_handler.New(cfg, log, objStore)
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if err != nil {
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log.Fatal(ctx, "can't init canvas service: %s", err)
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}
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canvasConsumer := queue.NewConsumer(
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cfg.GroupCanvasImage,
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[]string{
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cfg.TopicCanvasImages,
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},
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messages.NewImagesMessageIterator(func(data []byte, sessID uint64) {
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isSessionEnd := func(data []byte) bool {
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reader := messages.NewBytesReader(data)
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msgType, err := reader.ReadUint()
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if err != nil {
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return false
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}
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if msgType != messages.MsgSessionEnd {
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return false
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}
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_, err = messages.ReadMessage(msgType, reader)
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if err != nil {
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return false
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}
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return true
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}
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sessCtx := context.WithValue(context.Background(), "sessionID", sessID)
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if isSessionEnd(data) {
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if err := srv.PackSessionCanvases(sessCtx, sessID); err != nil {
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if !strings.Contains(err.Error(), "no such file or directory") {
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log.Error(sessCtx, "can't pack session's canvases: %s", err)
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}
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}
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} else {
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if err := srv.SaveCanvasToDisk(sessCtx, sessID, data); err != nil {
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log.Error(sessCtx, "can't process canvas image: %s", err)
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}
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}
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}, nil, true),
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false,
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cfg.MessageSizeLimit,
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)
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log.Info(ctx, "canvas handler service started")
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sigchan := make(chan os.Signal, 1)
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signal.Notify(sigchan, syscall.SIGINT, syscall.SIGTERM)
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counterTick := time.Tick(time.Second * 30)
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for {
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select {
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case sig := <-sigchan:
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log.Info(ctx, "caught signal %v: terminating", sig)
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srv.Wait()
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canvasConsumer.Close()
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os.Exit(0)
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case <-counterTick:
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srv.Wait()
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if err := canvasConsumer.Commit(); err != nil {
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log.Error(ctx, "can't commit messages: %s", err)
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}
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case msg := <-canvasConsumer.Rebalanced():
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log.Info(ctx, "consumer group rebalanced: %+v", msg)
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default:
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err = canvasConsumer.ConsumeNext()
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if err != nil {
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log.Fatal(ctx, "can't consume next message: %s", err)
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}
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}
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}
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}
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