// Upload sends an upload request to a satellite endpoint, including
// a tar upload file if given.
func Upload(url, serviceName string, file *os.File) error {
var body bytes.Buffer
writer := multipart.NewWriter(&body)
// Write file to multipart body if given.
if file != nil {
part, err := writer.CreateFormFile("file", "upload")
if err != nil {
return errors.NewStackError(err)
}
_, err = io.Copy(part, file)
if err != nil {
return err
}
}
// Get current app and add fields for init, build, test, and start.
state, err := db.GetState()
if err != nil {
return err
}
service := state.Config[serviceName]
if service != nil {
err = writer.WriteField("init", service.Init)
if err == nil {
err = writer.WriteField("build", service.Build)
}
if err == nil {
err = writer.WriteField("test", service.Test)
}
if err == nil {
err = writer.WriteField("start", service.Start)
}
if err == nil {
err = writer.WriteField("path", service.Path)
}
if err == nil && service.Env != nil {
envData, err := json.Marshal(service.Env)
if err != nil {
return err
}
err = writer.WriteField("env", string(envData))
}
}
if err == nil {
err = writer.Close()
}
if err != nil {
return err
}
res, err := http.Post("http://"+url, writer.FormDataContentType(), &body)
if err != nil {
if responses.IsRefusedConn(err) {
err = errors.ErrSyncFailed
}
return errors.NewStackError(err)
}
defer res.Body.Close()
// Decode json response.
uploadRes := new(responses.Res)
decoder := json.NewDecoder(res.Body)
err = decoder.Decode(uploadRes)
if err != nil {
return errors.NewStackError(err)
}
// Created, so no error.
if uploadRes.Status == "created" {
return nil
}
return errors.NewStackError(uploadRes)
}
// Update updates the given name with the status and path.
func Update(url, serviceName, fullPath, name, status string) error {
var body bytes.Buffer
// Create writer, and write form fields.
writer := multipart.NewWriter(&body)
err := writer.WriteField("type", status)
if err == nil {
err = writer.WriteField("path", path.Join(strings.Split(name, string(filepath.Separator))...))
}
if err != nil {
return errors.NewStackError(err)
}
// Attach file if update or create.
if status == "update" || status == "create" {
file, err := os.Open(fullPath)
if err != nil {
return err
}
defer file.Close()
stat, err := file.Stat()
if err != nil {
return err
}
// Add file mode to write with.
err = writer.WriteField("mode", strconv.FormatUint(uint64(stat.Mode().Perm()), 10))
if err != nil {
return errors.NewStackError(err)
}
part, err := writer.CreateFormFile("file", "upload")
if err != nil {
return errors.NewStackError(err)
}
_, err = io.Copy(part, file)
if err != nil {
return err
}
}
// Get current app and add fields for init, build, test, and start.
state, err := db.GetState()
if err != nil {
return err
}
if service := state.Config[serviceName]; service != nil {
writer.WriteField("init", service.Init)
writer.WriteField("build", service.Build)
writer.WriteField("test", service.Test)
writer.WriteField("start", service.Start)
if service.Env != nil {
envData, err := json.Marshal(service.Env)
if err != nil {
return err
}
err = writer.WriteField("env", string(envData))
}
}
if err = writer.Close(); err != nil {
return err
}
req, err := http.NewRequest("PUT", "http://"+url, &body)
if err != nil {
return errors.NewStackError(err)
}
req.Header.Set("Content-Type", writer.FormDataContentType())
res, err := http.DefaultClient.Do(req)
if err != nil {
if responses.IsRefusedConn(err) {
err = errors.ErrSyncFailed
}
return errors.NewStackError(err)
}
defer res.Body.Close()
// Decode json response.
uploadRes := new(responses.Res)
decoder := json.NewDecoder(res.Body)
err = decoder.Decode(uploadRes)
if err != nil {
return errors.NewStackError(err)
}
// Created, so no error.
if uploadRes.Status == "updated" {
return nil
}
return errors.NewStackError(uploadRes)
}