// Retrieve the availability zones for the region
private ArrayList<String> getAvailabilityZones(AmazonEC2 ec2) {
ArrayList<String> availabilityZones = new ArrayList<String>();
DescribeAvailabilityZonesResult zones = ec2.describeAvailabilityZones();
List<AvailabilityZone> zoneList = zones.getAvailabilityZones();
for (AvailabilityZone z : zoneList) {
availabilityZones.add(z.getZoneName());
}
return availabilityZones;
}
/** Get the fist 3 available zones in the region */
public void setDefaultRACList(String region) {
AmazonEC2 client = new AmazonEC2Client(provider.getAwsCredentialProvider());
client.setEndpoint("ec2." + region + ".amazonaws.com");
DescribeAvailabilityZonesResult res = client.describeAvailabilityZones();
List<String> zone = Lists.newArrayList();
for (AvailabilityZone reg : res.getAvailabilityZones()) {
if (reg.getState().equals("available")) zone.add(reg.getZoneName());
if (zone.size() == 3) break;
}
// DEFAULT_AVAILABILITY_ZONES = StringUtils.join(zone, ",");
DEFAULT_AVAILABILITY_ZONES = ImmutableList.copyOf(zone);
}
public static ListBoxModel fillZoneItems(
AWSCredentialsProvider credentialsProvider, String region) {
ListBoxModel model = new ListBoxModel();
if (AmazonEC2Cloud.testMode) {
model.add(TEST_ZONE);
return model;
}
if (!StringUtils.isEmpty(region)) {
AmazonEC2 client =
EC2Cloud.connect(credentialsProvider, AmazonEC2Cloud.getEc2EndpointUrl(region));
DescribeAvailabilityZonesResult zones = client.describeAvailabilityZones();
List<AvailabilityZone> zoneList = zones.getAvailabilityZones();
model.add("<not specified>", "");
for (AvailabilityZone z : zoneList) {
model.add(z.getZoneName(), z.getZoneName());
}
}
return model;
}
public static void main(String[] args) throws Exception {
System.out.println("===========================================");
System.out.println("Welcome to the AWS Java SDK!");
System.out.println("===========================================");
init();
try {
/*
* The Amazon EC2 client allows you to easily launch and configure
* computing capacity in AWS datacenters.
*
* In this sample, we use the EC2 client to list the availability zones
* in a region, and then list the instances running in those zones.
*/
DescribeAvailabilityZonesResult availabilityZonesResult = ec2.describeAvailabilityZones();
List<AvailabilityZone> availabilityZones = availabilityZonesResult.getAvailabilityZones();
System.out.println("You have access to " + availabilityZones.size() + " availability zones:");
for (AvailabilityZone zone : availabilityZones) {
System.out.println(" - " + zone.getZoneName() + " (" + zone.getRegionName() + ")");
}
DescribeInstancesResult describeInstancesResult = ec2.describeInstances();
Set<Instance> instances = new HashSet<Instance>();
for (Reservation reservation : describeInstancesResult.getReservations()) {
instances.addAll(reservation.getInstances());
}
System.out.println("You have " + instances.size() + " Amazon EC2 instance(s) running.");
/*
* The Amazon S3 client allows you to manage and configure buckets
* and to upload and download data.
*
* In this sample, we use the S3 client to list all the buckets in
* your account, and then iterate over the object metadata for all
* objects in one bucket to calculate the total object count and
* space usage for that one bucket. Note that this sample only
* retrieves the object's metadata and doesn't actually download the
* object's content.
*
* In addition to the low-level Amazon S3 client in the SDK, there
* is also a high-level TransferManager API that provides
* asynchronous management of uploads and downloads with an easy to
* use API:
* http://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/transfer/TransferManager.html
*/
List<Bucket> buckets = s3.listBuckets();
System.out.println("You have " + buckets.size() + " Amazon S3 bucket(s).");
if (buckets.size() > 0) {
Bucket bucket = buckets.get(0);
long totalSize = 0;
long totalItems = 0;
/*
* The S3Objects and S3Versions classes provide convenient APIs
* for iterating over the contents of your buckets, without
* having to manually deal with response pagination.
*/
for (S3ObjectSummary objectSummary : S3Objects.inBucket(s3, bucket.getName())) {
totalSize += objectSummary.getSize();
totalItems++;
}
System.out.println(
"The bucket '"
+ bucket.getName()
+ "' contains "
+ totalItems
+ " objects "
+ "with a total size of "
+ totalSize
+ " bytes.");
}
} catch (AmazonServiceException ase) {
/*
* AmazonServiceExceptions represent an error response from an AWS
* services, i.e. your request made it to AWS, but the AWS service
* either found it invalid or encountered an error trying to execute
* it.
*/
System.out.println("Error Message: " + ase.getMessage());
System.out.println("HTTP Status Code: " + ase.getStatusCode());
System.out.println("AWS Error Code: " + ase.getErrorCode());
System.out.println("Error Type: " + ase.getErrorType());
System.out.println("Request ID: " + ase.getRequestId());
} catch (AmazonClientException ace) {
/*
* AmazonClientExceptions represent an error that occurred inside
* the client on the local host, either while trying to send the
* request to AWS or interpret the response. For example, if no
* network connection is available, the client won't be able to
* connect to AWS to execute a request and will throw an
* AmazonClientException.
*/
System.out.println("Error Message: " + ace.getMessage());
}
}
