docker-java Docker的java API

docker-java

docker-java 是 Docker的 Java 版本API Docker

当前的实现基于 Jersey 2.x 因此 classpath 不兼容老版本的 Jersey 1.x !

开发者论坛 docker-java

Changelog

Wiki

版本支持

Supports a subset of the Docker Remote API v1.37, Docker Server version since 1.12.6

com.github.docker-java
docker-java

3.X.Y

当前最新的版本是3.1.0，可以点击这里查看最新版本。

com.github.docker-java
docker-java
3.1.0

wiki文档

For code examples, please look at the Wiki or Test cases

配置Docker环境

系统的可配置项及默认值如下:

• DOCKER_HOST The Docker Host URL, e.g. tcp://localhost:2376 or unix:///var/run/docker.sock
• DOCKER_TLS_VERIFY enable/disable TLS verification (switch between http and https protocol)
• DOCKER_CERT_PATH Path to the certificates needed for TLS verification
• DOCKER_CONFIG Path for additional docker configuration files (like .dockercfg)
• api.version The API version, e.g. 1.23.
• registry.url Your registry's address.
• registry.username Your registry username (required to push containers).
• registry.password Your registry password.
• registry.email Your registry email.

There are three ways to configure, in descending order of precedence:

编程方式配置:

DockerClientConfig config = DefaultDockerClientConfig.createDefaultConfigBuilder()
.withDockerHost("tcp://my-docker-host.tld:2376")
.withDockerTlsVerify(true)
.withDockerCertPath("/home/user/.docker/certs")
.withDockerConfig("/home/user/.docker")
.withApiVersion("1.30") // optional
.withRegistryUrl("https://index.docker.io/v1/")
.withRegistryUsername("dockeruser")
.withRegistryPassword("ilovedocker")
.withRegistryEmail("dockeruser@github.com")
.build();
DockerClient docker = DockerClientBuilder.getInstance(config).build();

通过Properties (docker-java.properties)

DOCKER_HOST=tcp://localhost:2376
DOCKER_TLS_VERIFY=1
DOCKER_CERT_PATH=/home/user/.docker/certs
DOCKER_CONFIG=/home/user/.docker
api.version=1.23
registry.url=https://index.docker.io/v1/
registry.username=dockeruser
registry.password=ilovedocker
registry.email=dockeruser@github.com

通过System Properties:

java -DDOCKER_HOST=tcp://localhost:2375 -Dregistry.username=dockeruser pkg.Main

通过 Environment

export DOCKER_HOST=tcp://localhost:2376
export DOCKER_TLS_VERIFY=1
export DOCKER_CERT_PATH=/home/user/.docker/certs
export DOCKER_CONFIG=/home/user/.docker

测试

我们来简单测试下：

DockerClient dockerClient = createClient();

// docker info
Info info = dockerClient.infoCmd().exec();
System.out.print(info);

// 搜索镜像
List dockerSearch = dockerClient.searchImagesCmd("busybox").exec();
System.out.println("Search returned" + dockerSearch.toString());

// pull

dockerClient.pullImageCmd("busybox:latest").exec(new ResultCallback() {
public void onStart(Closeable closeable) {

}

public void onNext(PullResponseItem object) {
System.out.println(object.getStatus());
}

public void onError(Throwable throwable) {
throwable.printStackTrace();
}

public void onComplete() {
System.out.println("pull finished");
}

public void close() throws IOException {

}
});

// 创建container 并测试

// create
CreateContainerResponse container = dockerClient.createContainerCmd("busybox")
.withCmd("/bin/bash")
.exec();
// start
dockerClient.startContainerCmd(container.getId()).exec();
dockerClient.stopContainerCmd(container.getId()).exec();
dockerClient.removeContainerCmd(container.getId()).exec();

EventsResultCallback callback = new EventsResultCallback() {
@Override
public void onNext(Event event) {
System.out.println("Event: " + event);
super.onNext(event);
}
};

dockerClient.eventsCmd().exec(callback).awaitCompletion().close();

---

作者：Jadepeng
出处：jqpeng的技术记事本--http://www.cnblogs.com/xiaoqi
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