Files
cybertron-log-enricher/service/FetchSourceMapService.go
2024-12-19 15:37:39 +05:30

86 lines
2.2 KiB
Go

package service
import (
"context"
"github.com/aws/aws-sdk-go-v2/service/s3"
"go.uber.org/zap"
"io"
"log-enricher/internal/client/aws"
"log-enricher/pkg/log"
"os"
"path"
"path/filepath"
)
type SourceMapService struct {
logger *log.Logger
s3Client *aws.Actions
}
func NewFetchSourceMapService(logger *log.Logger, s3Client *aws.Actions) *SourceMapService {
return &SourceMapService{
logger: logger,
s3Client: s3Client,
}
}
var cacheDir = "source-map-cache"
func checkLocalCache(project, release, filename string) (string, bool) {
path := filepath.Join(cacheDir, project, release, filename)
if _, err := os.Stat(path); os.IsNotExist(err) {
return "", false
}
return path, true
}
func (sm *SourceMapService) downloadFromS3(key string, bucket string, filePath string) error {
result, err := sm.s3Client.S3Client.GetObject(context.TODO(), &s3.GetObjectInput{
Bucket: &bucket,
Key: &key,
})
if err != nil {
//sm.logger.Info("printing key %s and bucket %s from s3 err: ", zap.String("key", key), zap.String("bucket", bucket), zap.String("filePath", filePath))
//sm.logger.Info("Error downloading from S3:", zap.Error(err))
return err
}
//defer result.Body.Close()
dir := filepath.Dir(filePath)
err = os.MkdirAll(dir, os.ModePerm)
if err != nil {
sm.logger.Info("Error creating directories:", zap.Error(err))
}
file, err := os.Create(filePath)
if err != nil {
sm.logger.Info("couldn't create file: %v\n", zap.Error(err))
}
defer file.Close()
body, err := io.ReadAll(result.Body)
if err != nil {
sm.logger.Info("Couldn't read object body")
}
_, err = file.Write(body)
return err
}
func (sm *SourceMapService) GetSourceMap(fileName string, projectName string, releaseVersion string, bucket string) (string, error) {
key := path.Join(projectName, releaseVersion, fileName)
//todo drive it from config
cacheFilePath := filepath.Join(cacheDir, projectName, releaseVersion, fileName)
//checking local cache
if path, found := checkLocalCache(projectName, releaseVersion, fileName); found {
return path, nil
}
sm.logger.Info("Source map not found in cache, downloading from S3...")
err := sm.downloadFromS3(key, bucket, cacheFilePath)
if err != nil {
return "", err
}
return cacheFilePath, nil
}