Example usage for com.amazonaws.services.ec2.model DeleteSnapshotRequest DeleteSnapshotRequest

Introduction

In this page you can find the example usage for com.amazonaws.services.ec2.model DeleteSnapshotRequest DeleteSnapshotRequest.

Prototype

public DeleteSnapshotRequest(String snapshotId) 

Source Link

Document

Constructs a new DeleteSnapshotRequest object.

Usage

From source file:fr.xebia.demo.amazon.aws.AmazonAwsShutdowner.java

License:Apache License

public void test() {
    String ownerId = "self";

    boolean dryRun = true;

    // RETRIEVE TAGS
    Map<String, Map<String, String>> tagsByResourceId = new MapMaker()
            .makeComputingMap(new Function<String, Map<String, String>>() {
                @Override//from   w w  w .ja v a  2 s .c o m
                public Map<String, String> apply(String input) {
                    return Maps.newHashMap();
                }
            });

    for (TagDescription tagDescription : ec2.describeTags().getTags()) {
        tagsByResourceId.get(tagDescription.getResourceId()).put(tagDescription.getKey(),
                tagDescription.getValue());
    }

    // RDS INSTANCEs
    for (DBInstance dbInstance : rds.describeDBInstances().getDBInstances()) {
        Map<String, String> instanceTags = tagsByResourceId.get(dbInstance.getDBInstanceIdentifier());
        logger.debug("Tags for " + dbInstance + ": " + instanceTags);

    }

    // EC2 INSTANCES
    List<Instance> instancesAlreadyNotStarted = Lists.newArrayList();
    List<Instance> instancesToStop = Lists.newArrayList();
    List<Instance> instancesToTerminate = Lists.newArrayList();
    List<Instance> instancesToKeepUnchanged = Lists.newArrayList();
    for (Reservation reservation : ec2.describeInstances().getReservations()) {
        for (Instance instance : reservation.getInstances()) {
            Map<String, String> instanceTags = tagsByResourceId.get(instance.getInstanceId());
            logger.debug("Tags for {}: {}", instance, instanceTags);
            if ("terminated".equals(instance.getState().getName())) {
                instancesToKeepUnchanged.add(instance);
            } else if (instanceTags.containsKey(TAG_DO_NOT_STOP)) {
                instancesToKeepUnchanged.add(instance);
            } else if (instanceTags.containsKey(TAG_DO_NOT_TERMINATE)) {
                if ("started".equals(instance.getState().getName())) {
                    instancesToStop.add(instance);
                } else {
                    instancesAlreadyNotStarted.add(instance);
                }
            } else {
                instancesToTerminate.add(instance);
            }
        }
    }
    System.out.println("EC2 INSTANCES");
    if (dryRun) {
        System.out.println("DRY RUN Terminate:" + instancesToTerminate);
        System.out.println("DRY RUN Stop:" + instancesToStop);
        System.out.println("DRY RUN No need to stop:" + instancesAlreadyNotStarted);
        System.out.println("DRY RUN Keep unchanged:" + instancesToKeepUnchanged);
    } else {
        System.out.println("Terminate:" + instancesToTerminate);
        if (!instancesToTerminate.isEmpty()) {
            ec2.terminateInstances(new TerminateInstancesRequest(
                    Lists.transform(instancesToTerminate, TO_INSTANCE_ID_FUNCTION)));
        }
        System.out.println("Stop:" + instancesToStop);
        if (!instancesToStop.isEmpty()) {
            ec2.stopInstances(
                    new StopInstancesRequest(Lists.transform(instancesToStop, TO_INSTANCE_ID_FUNCTION)));
        }
        System.out.println("No need to stop:" + instancesAlreadyNotStarted);
        System.out.println("Keep unchanged:" + instancesToKeepUnchanged);
    }

    // AMIs
    System.out.println("AMIs");
    List<Image> imagesToDeRegister = Lists.newArrayList();
    List<Image> imagesToKeep = Lists.newArrayList();
    for (Image image : ec2.describeImages(new DescribeImagesRequest().withOwners(ownerId)).getImages()) {
        Map<String, String> imageTags = tagsByResourceId.get(image.getImageId());
        logger.debug("Tags for {}: {}", image, imageTags);
        if (imageTags.containsKey(TAG_DO_NOT_DEREGISTER)) {
            imagesToKeep.add(image);
        } else {
            imagesToDeRegister.add(image);
        }
    }
    if (dryRun) {
        System.out.println("DRY RUN Deregister:" + imagesToDeRegister);
        System.out.println("DRY RUN Keep:" + imagesToKeep);

    } else {
        System.out.println("Deregister:" + imagesToDeRegister);
        for (Image image : imagesToDeRegister) {
            ec2.deregisterImage(new DeregisterImageRequest(image.getImageId()));
        }
        System.out.println("Keep:" + imagesToKeep);
    }

    List<String> imageIdsToKeep = Lists.transform(imagesToKeep, TO_IMAGE_ID_FUNCTION);

    // SNAPSHOTS
    System.out.println("SNAPSHOTs");
    for (Snapshot snapshot : ec2.describeSnapshots(new DescribeSnapshotsRequest().withOwnerIds(ownerId))
            .getSnapshots()) {

        if (snapshot.getDescription().contains("Created by CreateImage")) {
            boolean associatedWithAnImageToKeep = false;
            for (String imageIdToKeep : imageIdsToKeep) {
                if (snapshot.getDescription().contains(imageIdToKeep)) {
                    associatedWithAnImageToKeep = true;
                    break;
                }
            }
            if (associatedWithAnImageToKeep) {
                System.out.println("Keep: " + snapshot);
            } else {
                if (dryRun) {
                    System.out.println("DRY RUN delete: " + snapshot);
                } else {
                    System.out.println("Delete: " + snapshot);
                    ec2.deleteSnapshot(new DeleteSnapshotRequest(snapshot.getSnapshotId()));
                }
            }
        }
    }
    // ELASTIC LOAD BALANCERs
    // no tags on elb
}

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