// Create the backend specified by URI.
func create(s string) (restic.Backend, error) {
debug.Log("parsing location %v", s)
loc, err := location.Parse(s)
if err != nil {
return nil, err
}
switch loc.Scheme {
case "local":
debug.Log("create local repository at %#v", loc.Config)
return local.Create(loc.Config.(string))
case "sftp":
debug.Log("create sftp repository at %#v", loc.Config)
return sftp.CreateWithConfig(loc.Config.(sftp.Config))
case "s3":
cfg := loc.Config.(s3.Config)
if cfg.KeyID == "" {
cfg.KeyID = os.Getenv("AWS_ACCESS_KEY_ID")
}
if cfg.Secret == "" {
cfg.Secret = os.Getenv("AWS_SECRET_ACCESS_KEY")
}
debug.Log("create s3 repository at %#v", loc.Config)
return s3.Open(cfg)
case "rest":
return rest.Open(loc.Config.(rest.Config))
}
debug.Log("invalid repository scheme: %v", s)
return nil, errors.Fatalf("invalid scheme %q", loc.Scheme)
}
// Open the backend specified by a location config.
func open(s string) (backend.Backend, error) {
debug.Log("open", "parsing location %v", s)
loc, err := location.Parse(s)
if err != nil {
return nil, err
}
switch loc.Scheme {
case "local":
debug.Log("open", "opening local repository at %#v", loc.Config)
return local.Open(loc.Config.(string))
case "sftp":
debug.Log("open", "opening sftp repository at %#v", loc.Config)
return sftp.OpenWithConfig(loc.Config.(sftp.Config))
case "s3":
cfg := loc.Config.(s3.Config)
if cfg.KeyID == "" {
cfg.KeyID = os.Getenv("AWS_ACCESS_KEY_ID")
}
if cfg.Secret == "" {
cfg.Secret = os.Getenv("AWS_SECRET_ACCESS_KEY")
}
debug.Log("open", "opening s3 repository at %#v", cfg)
return s3.Open(cfg)
case "rest":
return rest.Open(loc.Config.(rest.Config))
}
debug.Log("open", "invalid repository location: %v", s)
return nil, fmt.Errorf("invalid scheme %q", loc.Scheme)
}
func init() {
if TestRESTServer == "" {
SkipMessage = "REST test server not available"
return
}
url, err := url.Parse(TestRESTServer)
if err != nil {
fmt.Fprintf(os.Stderr, "invalid url: %v\n", err)
return
}
cfg := rest.Config{
URL: url,
}
test.CreateFn = func() (backend.Backend, error) {
be, err := rest.Open(cfg)
if err != nil {
return nil, err
}
exists, err := be.Test(backend.Config, "")
if err != nil {
return nil, err
}
if exists {
return nil, errors.New("config already exists")
}
return be, nil
}
test.OpenFn = func() (backend.Backend, error) {
return rest.Open(cfg)
}
}
// Open the backend specified by a location config.
func open(s string) (restic.Backend, error) {
debug.Log("parsing location %v", s)
loc, err := location.Parse(s)
if err != nil {
return nil, errors.Fatalf("parsing repository location failed: %v", err)
}
var be restic.Backend
switch loc.Scheme {
case "local":
debug.Log("opening local repository at %#v", loc.Config)
be, err = local.Open(loc.Config.(string))
case "sftp":
debug.Log("opening sftp repository at %#v", loc.Config)
be, err = sftp.OpenWithConfig(loc.Config.(sftp.Config))
case "s3":
cfg := loc.Config.(s3.Config)
if cfg.KeyID == "" {
cfg.KeyID = os.Getenv("AWS_ACCESS_KEY_ID")
}
if cfg.Secret == "" {
cfg.Secret = os.Getenv("AWS_SECRET_ACCESS_KEY")
}
debug.Log("opening s3 repository at %#v", cfg)
be, err = s3.Open(cfg)
case "rest":
be, err = rest.Open(loc.Config.(rest.Config))
default:
return nil, errors.Fatalf("invalid backend: %q", loc.Scheme)
}
if err != nil {
return nil, errors.Fatalf("unable to open repo at %v: %v", s, err)
}
return be, nil
}