openreplay/backend/cmd/canvas-maker/main.go

95 lines
2.3 KiB
Go

package main
import (
"log"
"os"
"os/signal"
"strconv"
"strings"
"syscall"
"time"
config "openreplay/backend/internal/config/videostorage"
"openreplay/backend/internal/videostorage"
"openreplay/backend/pkg/messages"
"openreplay/backend/pkg/metrics"
storageMetrics "openreplay/backend/pkg/metrics/videostorage"
"openreplay/backend/pkg/objectstorage/store"
"openreplay/backend/pkg/queue"
)
func main() {
m := metrics.New()
m.Register(storageMetrics.List())
log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)
cfg := config.New()
objStore, err := store.NewStore(&cfg.ObjectsConfig)
if err != nil {
log.Fatalf("can't init object storage: %s", err)
}
srv, err := videostorage.New(cfg, objStore)
if err != nil {
log.Printf("can't init storage service: %s", err)
return
}
workDir := cfg.FSDir
canvasConsumer := queue.NewConsumer(
cfg.GroupCanvasVideo,
[]string{
cfg.TopicCanvasTrigger,
},
messages.NewMessageIterator(
func(msg messages.Message) {
sesEnd := msg.(*messages.SessionEnd)
filePath := workDir + "/canvas/" + strconv.FormatUint(sesEnd.SessionID(), 10) + "/"
canvasMix := sesEnd.EncryptionKey // dirty hack to use encryption key as canvas mix holder (only between canvas handler and canvas maker)
if canvasMix == "" {
log.Printf("no canvas mix for session: %d", sesEnd.SessionID())
return
}
if err := srv.Process(sesEnd.SessionID(), filePath, canvasMix); err != nil {
if !strings.Contains(err.Error(), "no such file or directory") {
log.Printf("upload session err: %s, sessID: %d", err, msg.SessionID())
}
}
},
[]int{messages.MsgSessionEnd},
true,
),
false,
cfg.MessageSizeLimit,
)
log.Printf("Canvas maker service started\n")
sigchan := make(chan os.Signal, 1)
signal.Notify(sigchan, syscall.SIGINT, syscall.SIGTERM)
counterTick := time.Tick(time.Second * 30)
for {
select {
case sig := <-sigchan:
log.Printf("Caught signal %v: terminating\n", sig)
srv.Wait()
canvasConsumer.Close()
os.Exit(0)
case <-counterTick:
srv.Wait()
if err := canvasConsumer.Commit(); err != nil {
log.Printf("can't commit messages: %s", err)
}
case msg := <-canvasConsumer.Rebalanced():
log.Println(msg)
default:
err = canvasConsumer.ConsumeNext()
if err != nil {
log.Fatalf("Error on end event consumption: %v", err)
}
}
}
}