org.voovan.docker.command.Container.CmdContainerUpdate Maven / Gradle / Ivy

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By encapsulating the Docker API enables developers to use Java can quickly developed the control and operation of the Docker application, using streaming operation, simple and clear.

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package org.voovan.docker.command.Container;

import org.voovan.docker.command.Cmd;
import org.voovan.docker.message.container.ContainerInfo;
import org.voovan.docker.message.container.atom.HostConfig;
import org.voovan.docker.network.DockerClientException;
import org.voovan.docker.network.Result;

/**
 * 类文字命名
 *
 * @author helyho
 *         
 *         JDocker Framework.
 *         WebSite: https://github.com/helyho/JDocker
 *         Licence: Apache v2 License
 */
public class CmdContainerUpdate extends Cmd{
    private HostConfig hostConfig;
    private String nameOrId;

    public CmdContainerUpdate(String nameOrId) {
        super();
        this.nameOrId = nameOrId;
        hostConfig = new HostConfig();
    }

    public CmdContainerUpdate(ContainerInfo containerInfo) {
        super();
        this.nameOrId = containerInfo.getId();
        this.hostConfig = containerInfo.getHostConfig();
    }


    public CmdContainerUpdate cpuQuota(int cpuQuota){
        hostConfig.setCpuQuota((int)(cpuQuota * hostConfig.getCpuPeriod()));
        return this;
    }

    public CmdContainerUpdate cpuPeriod(int cpuPeriod){
        hostConfig.setCpuPeriod(cpuPeriod);
        return this;
    }

    public CmdContainerUpdate memory(int memory){
        hostConfig.setMemory(memory*1024L*1024L);
        return this;
    }

    public HostConfig getEntity(){
        return hostConfig;
    }

    public static CmdContainerUpdate newInstance(String nameOrId){
        return new CmdContainerUpdate(nameOrId);
    }

    @Override
    public String send() throws Exception {
        Result result = getDockerHttpClient().run("POST","/containers/"+nameOrId+"/update", getParameters(), hostConfig);
        if(result!=null && result.getStatus()>=300){
            throw new DockerClientException(result.getMessage());
        }else{
            return result.getMessage();
        }
    }

}