com.google.cloud.tools.jib.registry.credentials

Class DockerCredentialHelper

java.lang.Object

com.google.cloud.tools.jib.registry.credentials.DockerCredentialHelper

public class DockerCredentialHelper
extends Object

Retrieves Docker credentials with a Docker credential helper.

See Also:

https://github.com/docker/docker-credential-helpers

Constructor Summary

Constructors

Constructor and Description
DockerCredentialHelper(String serverUrl, Path credentialHelper) Constructs a new DockerCredentialHelper.

Method Summary

Modifier and Type	Method and Description
Credential	retrieve() Calls the credential helper CLI in the form:

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DockerCredentialHelper

public DockerCredentialHelper(String serverUrl,
                              Path credentialHelper)

Constructs a new DockerCredentialHelper.

Parameters:

serverUrl - the server URL to pass into the credential helper

credentialHelper - the path to the credential helper executable

Method Detail

retrieve

public Credential retrieve()
                    throws IOException,
                           CredentialHelperUnhandledServerUrlException,
                           CredentialHelperNotFoundException

Calls the credential helper CLI in the form:

 echo -n <server URL> | docker-credential-<credential helper suffix> get
 

Returns:

the Docker credentials by calling the corresponding CLI

Throws:

IOException - if writing/reading process input/output fails

CredentialHelperUnhandledServerUrlException - if no credentials could be found for the corresponding server

CredentialHelperNotFoundException - if the credential helper CLI doesn't exist