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writer_blob.go
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/
writer_blob.go
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package fixtures
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/justtrackio/gosoline/pkg/blob"
"github.com/justtrackio/gosoline/pkg/cfg"
"github.com/justtrackio/gosoline/pkg/log"
)
type BlobFixturesSettings struct {
BasePath string
ConfigName string
}
type blobFixtureWriter struct {
logger log.Logger
batchRunner blob.BatchRunner
purger *blobPurger
store blob.Store
basePath string
}
func BlobFixtureWriterFactory(settings *BlobFixturesSettings) FixtureWriterFactory {
return func(ctx context.Context, config cfg.Config, logger log.Logger) (FixtureWriter, error) {
basePath, err := filepath.Abs(settings.BasePath)
if err != nil {
return nil, err
}
settings.BasePath = basePath
store, err := blob.NewStore(ctx, config, logger, settings.ConfigName)
if err != nil {
return nil, fmt.Errorf("can not create blob store: %w", err)
}
br, err := blob.NewBatchRunner(ctx, config, logger, settings.ConfigName)
if err != nil {
return nil, fmt.Errorf("can not create blob batch runner: %w", err)
}
purger, err := newBlobPurger(ctx, config, logger, settings)
if err != nil {
return nil, fmt.Errorf("can not create blob purger: %w", err)
}
return NewBlobFixtureWriterWithInterfaces(logger, br, purger, store, settings.BasePath), nil
}
}
func NewBlobFixtureWriterWithInterfaces(logger log.Logger, batchRunner blob.BatchRunner, purger *blobPurger, store blob.Store, basePath string) FixtureWriter {
return &blobFixtureWriter{
logger: logger,
batchRunner: batchRunner,
purger: purger,
store: store,
basePath: basePath,
}
}
func (s *blobFixtureWriter) Purge(ctx context.Context) error {
return s.purger.purge(ctx)
}
func (s *blobFixtureWriter) Write(ctx context.Context, _ *FixtureSet) error {
if err := s.store.CreateBucket(ctx); err != nil {
return fmt.Errorf("can not create bucket: %w", err)
}
var files []string
err := filepath.Walk(s.basePath, func(path string, f os.FileInfo, err error) error {
if err != nil {
return err
}
if f.IsDir() {
return nil
}
files = append(files, path)
return nil
})
if err != nil {
return err
}
if len(files) == 0 {
return nil
}
var batch blob.Batch
for _, file := range files {
body, err := os.ReadFile(file)
if err != nil {
return err
}
object := blob.Object{
Key: aws.String(strings.Replace(file, s.basePath, "", 1)),
Body: blob.StreamBytes(body),
}
batch = append(batch, &object)
}
ctx, cancel := context.WithCancel(ctx)
go func(ctx context.Context) {
err = s.batchRunner.Run(ctx)
}(ctx)
defer cancel()
if err := s.store.Write(batch); err != nil {
return fmt.Errorf("can not write fixtes: %w", err)
}
s.logger.Info("loaded %d files", len(files))
return err
}