// We only want to attach to containers associated with a particular
// Image name
func (api *DockerApi) Attach(containerId string) ContainerChannel {
out := make(ContainerChannel) // channel to send back
go CaptureUserCancel(&out, nil)
go func() {
endpoint := api.configFile.DockerEndpoint
baseUrl := strings.Join(
[]string{
endpoint,
"containers",
containerId,
"attach",
},
"/",
)
params := strings.Join(
[]string{
"stdout=true",
"stderr=true",
"stream=true",
},
"&",
)
url := baseUrl + "?" + params
Logger.Trace("Attach() - Api call to:", url)
// jsonResult := ""
byteData := []byte{}
bytesReader := bytes.NewReader(byteData)
resp, err := http.Post(url, "text/json", bytesReader)
defer resp.Body.Close()
if err != nil {
Logger.Error("Could not submit request, err:", err)
}
reader := bufio.NewReader(resp.Body)
for {
if line, err := reader.ReadBytes('\n'); err != nil {
if err == io.EOF {
break
} else {
msg := "Error reading from stream on attached container, error:" + err.Error()
Logger.Error(msg)
// close(out)
// return error.New(msg)
}
} else {
Logger.ConsoleChannel(string(bytes.TrimSpace(line)[:]))
}
}
close(out)
}()
return out
}
func (api *DockerApi) BuildImage(
buffer *bytes.Buffer,
imageName string,
watch *ContainerChannel,
wg *sync.WaitGroup,
) {
// out := make(ContainerChannel) // channel to send back
go CaptureUserCancel(watch, wg)
go func() error {
endpoint := api.configFile.DockerEndpoint
baseUrl := strings.Join(
[]string{
endpoint,
"build",
},
"/",
)
params := strings.Join(
[]string{
"t=" + imageName,
},
"&",
)
url := baseUrl + "?" + params
Logger.Trace("BuildImage() - Api call to:", url)
type BuildStream struct {
Stream string
}
var jsonResult BuildStream
bytesReader := bytes.NewReader(buffer.Bytes())
resp, err := http.Post(url, "application/tar", bytesReader)
defer resp.Body.Close()
if err != nil {
Logger.Error("Could not submit request, err:", err)
return err
}
reader := bufio.NewReader(resp.Body)
for {
if line, err := reader.ReadBytes('\n'); err != nil {
if err == io.EOF {
break
} else {
msg := "Error reading from stream on building image, error:" + err.Error()
Logger.Error(msg)
*watch <- "ok"
return errors.New(msg)
}
} else {
if err := json.Unmarshal(line, &jsonResult); err != nil {
Logger.Error(err)
} else {
Logger.ConsoleChannel(strings.TrimSpace(jsonResult.Stream))
}
}
}
*watch <- "ok"
wg.Done()
return nil
}()
}
