private static async Task <string> GetErrorMessageAsync(IProcess dockerProcess)
{
using (Stream stderrStream = dockerProcess.GetErrorStream())
using (StreamReader stderr = new StreamReader(stderrStream))
{
return(await stderr.ReadToEndAsync().ConfigureAwait(false));
}
}
private void ThrowUnhandledUrlException(IProcess process)
{
using (StreamReader processStderrReader =
new StreamReader(process.GetErrorStream(), Encoding.UTF8))
{
string errorOutput = processStderrReader.ReadToEnd();
throw new CredentialHelperUnhandledServerUrlException(
credentialHelper, registry, errorOutput);
}
}
/**
* Tags the image referenced by {@code originalImageReference} with a new image reference {@code
* newImageReference}.
*
* @param originalImageReference the existing image reference on the Docker daemon
* @param newImageReference the new image reference
* @see <a
* href="https://docs.docker.com/engine/reference/commandline/tag/">https://docs.docker.com/engine/reference/commandline/tag/</a>
* @throws InterruptedException if the 'docker tag' process is interrupted.
* @throws IOException if an I/O exception occurs or {@code docker tag} failed
*/
public async Task TagAsync(IImageReference originalImageReference, ImageReference newImageReference)
{
originalImageReference = originalImageReference ?? throw new ArgumentNullException(nameof(originalImageReference));
newImageReference = newImageReference ?? throw new ArgumentNullException(nameof(newImageReference));
// Runs 'docker tag'.
IProcess dockerProcess =
Docker("tag", originalImageReference.ToString(), newImageReference.ToString());
if (dockerProcess.WaitFor() != 0)
{
using (StreamReader stderr =
new StreamReader(dockerProcess.GetErrorStream(), Encoding.UTF8))
{
string errorMessage = await stderr.ReadToEndAsync().ConfigureAwait(false);
throw new IOException(
"'docker tag' command failed with error: " + errorMessage);
}
}
}