func ExampleNewStoreComposer() {
composer := tusd.NewStoreComposer()
fs := filestore.New("./data")
fs.UseIn(composer)
cl := consullocker.New(nil)
cl.UseIn(composer)
ls := limitedstore.New(1024*1024*1024, composer.Core, composer.Terminater)
ls.UseIn(composer)
config := tusd.Config{
StoreComposer: composer,
}
_, _ = tusd.NewHandler(config)
}
func CreateComposer() {
// Attempt to use S3 as a backend if the -s3-bucket option has been supplied.
// If not, we default to storing them locally on disk.
Composer = tusd.NewStoreComposer()
if Flags.S3Bucket == "" {
dir := Flags.UploadDir
stdout.Printf("Using '%s' as directory storage.\n", dir)
if err := os.MkdirAll(dir, os.FileMode(0774)); err != nil {
stderr.Fatalf("Unable to ensure directory exists: %s", err)
}
store := filestore.New(dir)
store.UseIn(Composer)
} else {
stdout.Printf("Using 's3://%s' as S3 bucket for storage.\n", Flags.S3Bucket)
// Derive credentials from AWS_SECRET_ACCESS_KEY, AWS_ACCESS_KEY_ID and
// AWS_REGION environment variables.
credentials := aws.NewConfig().WithCredentials(credentials.NewEnvCredentials())
store := s3store.New(Flags.S3Bucket, s3.New(session.New(), credentials))
store.UseIn(Composer)
locker := memorylocker.New()
locker.UseIn(Composer)
}
storeSize := Flags.StoreSize
maxSize := Flags.MaxSize
if storeSize > 0 {
limitedstore.New(storeSize, Composer.Core, Composer.Terminater).UseIn(Composer)
stdout.Printf("Using %.2fMB as storage size.\n", float64(storeSize)/1024/1024)
// We need to ensure that a single upload can fit into the storage size
if maxSize > storeSize || maxSize == 0 {
Flags.MaxSize = storeSize
}
}
stdout.Printf("Using %.2fMB as maximum size.\n", float64(Flags.MaxSize)/1024/1024)
}