Files
cybertron-log-enricher/service/FetchSourceMapService.go
varnit-goyal_navi 65092a5817 TP-5555/log-enricher
2024-08-13 08:19:50 +05:30

87 lines
2.2 KiB
Go

package service
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go-v2/service/s3"
"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 {
fmt.Printf("printing key %s and bucket %s from s3 err: %v", key, bucket, filePath)
fmt.Printf("Error downloading from S3: %v\n", err)
sm.logger.Info("Couldn't get object %v:%v. Here's why: %v\n")
}
//defer result.Body.Close()
dir := filepath.Dir(filePath)
err = os.MkdirAll(dir, os.ModePerm)
if err != nil {
fmt.Println("Error creating directories:", err)
}
file, err := os.Create(filePath)
if err != nil {
fmt.Printf("couldn't create file: %v\n", err)
}
defer file.Close()
body, err := io.ReadAll(result.Body)
if err != nil {
sm.logger.Info("Couldn't read object body from %v.\n")
}
_, err = file.Write(body)
return err
}
func (sm *SourceMapService) GetSourceMap(fileName string, projectName string, releaseVersion string) (string, error) {
key := path.Join(projectName, releaseVersion, fileName)
bucket := "navi-cd955a63c4476df0f00c1cea0e4a40d1"
cacheFilePath := filepath.Join(cacheDir, projectName, releaseVersion, fileName)
//checking local cache
if path, found := checkLocalCache(projectName, releaseVersion, fileName); found {
fmt.Printf("Loading source map from cache: %s\n", path)
return path, nil
}
fmt.Println("Source map not found in cache, downloading from S3...")
err := sm.downloadFromS3(key, bucket, cacheFilePath)
if err != nil {
return "", err
}
return cacheFilePath, nil
}