139 lines
3.9 KiB
Go
139 lines
3.9 KiB
Go
package main
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import (
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"context"
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"log"
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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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"openreplay/backend/internal/config/sink"
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"openreplay/backend/internal/sink/assetscache"
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"openreplay/backend/internal/sink/oswriter"
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"openreplay/backend/internal/storage"
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"openreplay/backend/pkg/messages"
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"openreplay/backend/pkg/monitoring"
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"openreplay/backend/pkg/queue"
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"openreplay/backend/pkg/url/assets"
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)
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func main() {
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metrics := monitoring.New("sink")
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log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)
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cfg := sink.New()
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if _, err := os.Stat(cfg.FsDir); os.IsNotExist(err) {
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log.Fatalf("%v doesn't exist. %v", cfg.FsDir, err)
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}
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writer := oswriter.NewWriter(cfg.FsUlimit, cfg.FsDir)
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producer := queue.NewProducer(cfg.MessageSizeLimit, true)
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defer producer.Close(cfg.ProducerCloseTimeout)
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rewriter := assets.NewRewriter(cfg.AssetsOrigin)
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assetMessageHandler := assetscache.New(cfg, rewriter, producer)
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counter := storage.NewLogCounter()
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totalMessages, err := metrics.RegisterCounter("messages_total")
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if err != nil {
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log.Printf("can't create messages_total metric: %s", err)
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}
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savedMessages, err := metrics.RegisterCounter("messages_saved")
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if err != nil {
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log.Printf("can't create messages_saved metric: %s", err)
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}
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messageSize, err := metrics.RegisterHistogram("messages_size")
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if err != nil {
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log.Printf("can't create messages_size metric: %s", err)
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}
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msgHandler := func(msg messages.Message) {
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// [METRICS] Increase the number of processed messages
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totalMessages.Add(context.Background(), 1)
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// Send SessionEnd trigger to storage service
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if msg.TypeID() == messages.MsgSessionEnd {
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if err := producer.Produce(cfg.TopicTrigger, msg.SessionID(), msg.Encode()); err != nil {
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log.Printf("can't send SessionEnd to trigger topic: %s; sessID: %d", err, msg.SessionID())
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}
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return
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}
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// Process assets
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if msg.TypeID() == messages.MsgSetNodeAttributeURLBased ||
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msg.TypeID() == messages.MsgSetCSSDataURLBased ||
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msg.TypeID() == messages.MsgCSSInsertRuleURLBased ||
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msg.TypeID() == messages.MsgAdoptedSSReplaceURLBased ||
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msg.TypeID() == messages.MsgAdoptedSSInsertRuleURLBased {
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msg = assetMessageHandler.ParseAssets(msg.Decode()) // TODO: filter type only once (use iterator inside or bring ParseAssets out here).
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}
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// Filter message
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if !messages.IsReplayerType(msg.TypeID()) {
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return
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}
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// If message timestamp is empty, use at least ts of session start
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ts := msg.Meta().Timestamp
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if ts == 0 {
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log.Printf("zero ts; sessID: %d, msgType: %d", msg.SessionID(), msg.TypeID())
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} else {
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// Log ts of last processed message
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counter.Update(msg.SessionID(), time.UnixMilli(ts))
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}
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// Write encoded message with index to session file
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data := msg.EncodeWithIndex()
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if err := writer.Write(msg.SessionID(), data); err != nil {
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log.Printf("Writer error: %v\n", err)
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}
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// [METRICS] Increase the number of written to the files messages and the message size
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messageSize.Record(context.Background(), float64(len(data)))
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savedMessages.Add(context.Background(), 1)
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}
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consumer := queue.NewConsumer(
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cfg.GroupSink,
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[]string{
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cfg.TopicRawWeb,
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},
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messages.NewMessageIterator(msgHandler, nil, false),
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false,
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cfg.MessageSizeLimit,
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)
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log.Printf("Sink service started\n")
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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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tick := time.Tick(30 * time.Second)
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for {
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select {
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case sig := <-sigchan:
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log.Printf("Caught signal %v: terminating\n", sig)
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if err := consumer.Commit(); err != nil {
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log.Printf("can't commit messages: %s", err)
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}
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consumer.Close()
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os.Exit(0)
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case <-tick:
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if err := writer.SyncAll(); err != nil {
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log.Fatalf("Sync error: %v\n", err)
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}
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counter.Print()
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if err := consumer.Commit(); err != nil {
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log.Printf("can't commit messages: %s", err)
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}
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default:
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err := consumer.ConsumeNext()
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if err != nil {
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log.Fatalf("Error on consumption: %v", err)
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}
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}
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}
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}
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