120 lines
3.3 KiB
Go
120 lines
3.3 KiB
Go
package storage
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import (
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"bytes"
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"context"
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"fmt"
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"go.opentelemetry.io/otel/metric/instrument/syncfloat64"
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"log"
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config "openreplay/backend/internal/config/storage"
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"openreplay/backend/pkg/flakeid"
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"openreplay/backend/pkg/monitoring"
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"openreplay/backend/pkg/storage"
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"os"
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"strconv"
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"time"
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)
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type Storage struct {
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cfg *config.Config
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s3 *storage.S3
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startBytes []byte
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totalSessions syncfloat64.Counter
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sessionSize syncfloat64.Histogram
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readingTime syncfloat64.Histogram
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archivingTime syncfloat64.Histogram
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}
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func New(cfg *config.Config, s3 *storage.S3, metrics *monitoring.Metrics) (*Storage, error) {
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switch {
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case cfg == nil:
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return nil, fmt.Errorf("config is empty")
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case s3 == nil:
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return nil, fmt.Errorf("s3 storage is empty")
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}
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// Create metrics
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totalSessions, err := metrics.RegisterCounter("sessions_total")
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if err != nil {
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log.Printf("can't create sessions_total metric: %s", err)
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}
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sessionSize, err := metrics.RegisterHistogram("sessions_size")
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if err != nil {
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log.Printf("can't create session_size metric: %s", err)
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}
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readingTime, err := metrics.RegisterHistogram("reading_duration")
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if err != nil {
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log.Printf("can't create reading_duration metric: %s", err)
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}
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archivingTime, err := metrics.RegisterHistogram("archiving_duration")
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if err != nil {
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log.Printf("can't create archiving_duration metric: %s", err)
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}
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return &Storage{
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cfg: cfg,
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s3: s3,
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startBytes: make([]byte, cfg.FileSplitSize),
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totalSessions: totalSessions,
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sessionSize: sessionSize,
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readingTime: readingTime,
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archivingTime: archivingTime,
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}, nil
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}
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func (s *Storage) UploadKey(key string, retryCount int) error {
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if retryCount <= 0 {
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return nil
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}
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start := time.Now()
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file, err := os.Open(s.cfg.FSDir + "/" + key)
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if err != nil {
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sessID, _ := strconv.ParseUint(key, 10, 64)
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return fmt.Errorf("File open error: %v; sessID: %s, part: %d, sessStart: %s\n",
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err, key, sessID%16,
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time.UnixMilli(int64(flakeid.ExtractTimestamp(sessID))),
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)
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}
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defer file.Close()
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nRead, err := file.Read(s.startBytes)
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if err != nil {
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sessID, _ := strconv.ParseUint(key, 10, 64)
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log.Printf("File read error: %s; sessID: %s, part: %d, sessStart: %s",
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err,
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key,
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sessID%16,
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time.UnixMilli(int64(flakeid.ExtractTimestamp(sessID))),
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)
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time.AfterFunc(s.cfg.RetryTimeout, func() {
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s.UploadKey(key, retryCount-1)
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})
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return nil
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}
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s.readingTime.Record(context.Background(), float64(time.Now().Sub(start).Milliseconds()))
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start = time.Now()
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startReader := bytes.NewBuffer(s.startBytes[:nRead])
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if err := s.s3.Upload(s.gzipFile(startReader), key, "application/octet-stream", true); err != nil {
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log.Fatalf("Storage: start upload failed. %v\n", err)
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}
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if nRead == s.cfg.FileSplitSize {
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if err := s.s3.Upload(s.gzipFile(file), key+"e", "application/octet-stream", true); err != nil {
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log.Fatalf("Storage: end upload failed. %v\n", err)
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}
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}
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s.archivingTime.Record(context.Background(), float64(time.Now().Sub(start).Milliseconds()))
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// Save metrics
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var fileSize float64 = 0
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fileInfo, err := file.Stat()
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if err != nil {
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log.Printf("can't get file info: %s", err)
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} else {
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fileSize = float64(fileInfo.Size())
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}
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ctx, _ := context.WithTimeout(context.Background(), time.Millisecond*200)
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s.sessionSize.Record(ctx, fileSize)
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s.totalSessions.Add(ctx, 1)
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return nil
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}
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