Example usage for com.amazonaws.services.ec2 AmazonEC2Client createNetworkInterface

Introduction

In this page you can find the example usage for com.amazonaws.services.ec2 AmazonEC2Client createNetworkInterface.

Prototype

@Override
public CreateNetworkInterfaceResult createNetworkInterface(CreateNetworkInterfaceRequest request) 

Source Link

Document

Creates a network interface in the specified subnet.

Usage

From source file:dsmwatcher.DSMWatcher.java

License:Open Source License

public void isolateInstance(Instance instance, AmazonEC2Client ec2) throws Exception {
    Subnet targetIRSubnet = null;//from  w  w  w. j a v a  2 s .co m
    handleAutoScaledInstance(instance); //check for autoscaling, if autoscaled instance detach first 
                                        // to prevent heathcheck failure and termination
    DescribeSubnetsRequest subnetRequest = new DescribeSubnetsRequest().withSubnetIds(instance.getSubnetId());
    List<Subnet> sourceSubnet = ec2.describeSubnets(subnetRequest).getSubnets();
    String targetAZStr = sourceSubnet.get(0).getAvailabilityZone();
    for (String IRSubnet : IRSubnets) {
        subnetRequest = new DescribeSubnetsRequest().withSubnetIds(IRSubnet);
        if (targetAZStr
                .compareTo(ec2.describeSubnets(subnetRequest).getSubnets().get(0).getAvailabilityZone()) == 0) {
            targetIRSubnet = ec2.describeSubnets(subnetRequest).getSubnets().get(0);
        }
    }
    if (targetIRSubnet == null) {
        error("Unable to find an isolation subnet for instance " + instance.getInstanceId());
        return;
    }
    List<InstanceNetworkInterface> ienis = instance.getNetworkInterfaces();
    for (InstanceNetworkInterface ieni : ienis) {
        String eniTag = "";
        List<GroupIdentifier> inititalSecGroups = ieni.getGroups();
        for (GroupIdentifier secGroup : inititalSecGroups) {
            eniTag += secGroup.getGroupId() + ",";
        }
        eniTag = eniTag.substring(0, eniTag.length() - 1);
        DescribeNetworkInterfacesRequest netReq = new DescribeNetworkInterfacesRequest()
                .withNetworkInterfaceIds(ieni.getNetworkInterfaceId());
        DescribeNetworkInterfacesResult netResult = ec2.describeNetworkInterfaces(netReq);
        List<com.amazonaws.services.ec2.model.NetworkInterface> enis = netResult.getNetworkInterfaces();
        for (com.amazonaws.services.ec2.model.NetworkInterface eni : enis) {
            List<Tag> tagSet = eni.getTagSet();
            Tag saveSGTag = new Tag().withKey("PreIsolationSG").withValue(eniTag);
            Tag isolationTag = new Tag().withKey("InIsolation").withValue("True");
            tagSet.add(saveSGTag);
            tagSet.add(isolationTag);
            CreateTagsRequest ctr = new CreateTagsRequest().withResources(eni.getNetworkInterfaceId())
                    .withTags(tagSet);
            ec2.createTags(ctr);
            ModifyNetworkInterfaceAttributeRequest netReqest = new ModifyNetworkInterfaceAttributeRequest()
                    .withNetworkInterfaceId(eni.getNetworkInterfaceId()).withGroups(denyAllSG);
            ec2.modifyNetworkInterfaceAttribute(netReqest);
        }
    }
    CreateNetworkInterfaceRequest newENIReq = new CreateNetworkInterfaceRequest()
            .withSubnetId(targetIRSubnet.getSubnetId()).withGroups(IRSecGrp);
    CreateNetworkInterfaceResult newENIResult = ec2.createNetworkInterface(newENIReq);
    AttachNetworkInterfaceRequest attachReq = new AttachNetworkInterfaceRequest()
            .withNetworkInterfaceId(newENIResult.getNetworkInterface().getNetworkInterfaceId())
            .withInstanceId(instance.getInstanceId())
            .withDeviceIndex(instance.getNetworkInterfaces().size() + 1);
    AttachNetworkInterfaceResult attachResults = ec2.attachNetworkInterface(attachReq);
    NetworkInterfaceAttachmentChanges attachTerm = new NetworkInterfaceAttachmentChanges()
            .withAttachmentId(attachResults.getAttachmentId()).withDeleteOnTermination(true);
    ModifyNetworkInterfaceAttributeRequest setDeleteOnTerm = new ModifyNetworkInterfaceAttributeRequest()
            .withAttachment(attachTerm)
            .withNetworkInterfaceId(newENIResult.getNetworkInterface().getNetworkInterfaceId());
    ec2.modifyNetworkInterfaceAttribute(setDeleteOnTerm);
    CreateTagsRequest tagNewENIReq = new CreateTagsRequest();
    List<Tag> isolationENITags = newENIResult.getNetworkInterface().getTagSet();
    Tag newENITag = new Tag().withKey("IRENI").withValue("True");
    isolationENITags.add(newENITag);
    tagNewENIReq.setTags(isolationENITags);
    tagNewENIReq.withResources(newENIResult.getNetworkInterface().getNetworkInterfaceId());
    ec2.createTags(tagNewENIReq);
}

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