在AWS Java SDK 1.10.69中,我可以启动一个实例并为该实例指定EBS卷映射:

    RunInstancesRequest runInstancesRequest = new RunInstancesRequest();

    String userDataString = Base64.encodeBase64String(userData.toString().getBytes());

    runInstancesRequest
            .withImageId(machineImageId)
            .withInstanceType(instanceType.toString())
            .withMinCount(minCount)
            .withMaxCount(maxCount)
            .withKeyName(sshKeyName)
            .withSecurityGroupIds(securityGroupIds)
            .withSubnetId(subnetId)
            .withUserData(userDataString)
            .setEbsOptimized(true);


    final EbsBlockDevice ebsBlockDevice = new EbsBlockDevice();
    ebsBlockDevice.setDeleteOnTermination(true);
    ebsBlockDevice.setVolumeType(VolumeType.Gp2);
    ebsBlockDevice.setVolumeSize(256);
    ebsBlockDevice.setEncrypted(true);

    final BlockDeviceMapping mapping = new BlockDeviceMapping();
    mapping.setDeviceName("/dev/sdb");
    mapping.setEbs(ebsBlockDevice);

看来目前我只能在该卷上启用/禁用加密,而不能指定要用于该卷的KMS客户主密钥。

有没有解决的办法?

最佳答案

编辑:请参阅下面的其他答案(https://stackoverflow.com/a/47602790/7692970),以获取现在更轻松的解决方案

要为实例的EBS卷指定客户主密钥(CMK),必须将RunInstancesRequestCreateVolumeRequestAttachVolumeRequest组合在一起。否则,如果仅在true上指定EbsBlockDevice进行加密,它将使用默认的CMK。

首先创建实例,而不在RunInstancesRequest的块设备映射中指定EBS卷,然后分别创建create the volumesattach them
CreateVolumeRequest具有withKmsKeyId() / setKmsKeyId()选项。

例如,更新代码可能如下所示:

RunInstancesRequest runInstancesRequest = new RunInstancesRequest();

String userDataString = Base64.encodeBase64String(userData.toString().getBytes());

runInstancesRequest
        .withImageId(machineImageId)
        .withInstanceType(instanceType.toString())
        .withMinCount(minCount)
        .withMaxCount(maxCount)
        .withKeyName(sshKeyName)
        .withSecurityGroupIds(securityGroupIds)
        .withSubnetId(subnetId)
        .withUserData(userDataString)
        .setEbsOptimized(true);
RunInstancesResult runInstancesResult = ec2Client.runInstances(runInstancesRequest);

for (Instance instance : runInstancesResult.getReservation()) {
    CreateVolumeRequest volumeRequest = new CreateVolumeRequest()
            .withAvailabilityZone(instance.getPlacement().getAvailabilityZone())
            .withKmsKeyId(/* CMK id or alias/yourkeyaliashere */)
            .withEncrypted(true)
            .withSize(256)
            .withVolumeType(VolumeType.Gp2);
    CreateVolumeResult volumeResult = ec2Client.createVolume(volumeRequest);
    AttachVolumeRequest attachRequest = new AttachVolumeRequest()
            .withDevice("/dev/sdb")
            .withInstanceId(instance.getInstanceId())
            .withVolumeId(volumeResult.getVolume().getVolumeId());
    ec2Client.attachVolume(attachRequest);
}

注意:如果您在实例元数据中使用块设备映射,则在将卷附加到正在运行的实例时不会更新它。要使其更新,您可以停止/启动实例。

关于java - AWS Java SDK:为EBS指定KMS key ID,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/36696971/

10-11 06:48
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