openreplay/backend/cmd/assets/main.go
Alexander c6aac11cbf
Heuristics refactoring (#987)
* feat(backend): refactored heuristics service

* feat(backend): refactored db service (moved several events to heuristics)
2023-03-09 09:54:12 +01:00

83 lines
1.9 KiB
Go

package main
import (
"log"
"os"
"os/signal"
"syscall"
"time"
"openreplay/backend/internal/assets"
"openreplay/backend/internal/assets/cacher"
config "openreplay/backend/internal/config/assets"
"openreplay/backend/pkg/messages"
"openreplay/backend/pkg/metrics"
assetsMetrics "openreplay/backend/pkg/metrics/assets"
"openreplay/backend/pkg/queue"
)
func main() {
m := metrics.New()
m.Register(assetsMetrics.List())
log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)
cfg := config.New()
cacher := cacher.NewCacher(cfg)
msgHandler := func(msg messages.Message) {
switch m := msg.(type) {
case *messages.AssetCache:
cacher.CacheURL(m.SessionID(), m.URL)
assetsMetrics.IncreaseProcessesSessions()
// TODO: connect to "raw" topic in order to listen for JSException
case *messages.JSException:
sourceList, err := assets.ExtractJSExceptionSources(&m.Payload)
if err != nil {
log.Printf("Error on source extraction: %v", err)
return
}
for _, source := range sourceList {
cacher.CacheJSFile(source)
}
}
}
msgConsumer := queue.NewConsumer(
cfg.GroupCache,
[]string{cfg.TopicCache},
messages.NewMessageIterator(msgHandler, []int{messages.MsgAssetCache, messages.MsgJSException}, true),
true,
cfg.MessageSizeLimit,
)
log.Printf("Cacher service started\n")
sigchan := make(chan os.Signal, 1)
signal.Notify(sigchan, syscall.SIGINT, syscall.SIGTERM)
tick := time.Tick(20 * time.Minute)
for {
select {
case sig := <-sigchan:
log.Printf("Caught signal %v: terminating\n", sig)
cacher.Stop()
msgConsumer.Close()
os.Exit(0)
case err := <-cacher.Errors:
log.Printf("Error while caching: %v", err)
case <-tick:
cacher.UpdateTimeouts()
case msg := <-msgConsumer.Rebalanced():
log.Println(msg)
default:
if !cacher.CanCache() {
continue
}
if err := msgConsumer.ConsumeNext(); err != nil {
log.Fatalf("Error on consumption: %v", err)
}
}
}
}