protected String getImageId(String imageName) {
DescribeImagesRequest describeImagesRequest = new DescribeImagesRequest();
List<Filter> filters = new ArrayList<Filter>();
Filter filter = new Filter();
filter.setName("name");
List<String> values = new ArrayList<String>();
values.add(imageName);
filter.setValues(values);
filters.add(filter);
describeImagesRequest.setFilters(filters);
DescribeImagesResult describeImagesResult =
amazonEC2Client.describeImages(describeImagesRequest);
List<Image> images = describeImagesResult.getImages();
if (images.isEmpty()) {
throw new RuntimeException("Image " + imageName + " does not exist");
}
Image image = images.get(0);
return image.getImageId();
}
public String toString() {
String ret = "\n";
while (true) {
if (amazon == null)
try {
amazon = JCS.getInstance("Instances");
} catch (CacheException e) {
e.printStackTrace();
continue;
}
synchronized (AmazonService.class) {
for (Object key : amazon.getGroupKeys("Instances")) {
Instance i = (Instance) amazon.getFromGroup(key, "Instances");
if (i == null) continue;
ret +=
(i.getInstanceId()
+ " "
+ i.getImageId()
+ " "
+ i.getImageId()
+ " "
+ i.getArchitecture()
+ " "
+ i.getPrivateDnsName()
+ " "
+ i.getState().getName())
+ "\n";
}
for (Object key : amazon.getGroupKeys("AMIs")) {
Image r = (Image) amazon.getFromGroup(key, "AMIs");
;
if (r == null) continue;
ret += (r.getImageId() + " " + r.getDescription() + " " + r.getState()) + "\n";
}
}
if (ret.length() > 10) break;
else {
try {
Thread.sleep(1000 * 5);
} catch (InterruptedException e) {
e.printStackTrace();
}
continue;
}
}
return ret;
}
private List<BlockDeviceMapping> getAmiBlockDeviceMappings() {
/*
* AmazonEC2#describeImageAttribute does not work due to a bug
* https://forums.aws.amazon.com/message.jspa?messageID=231972
*/
for (final Image image : getParent().connect().describeImages().getImages()) {
if (ami.equals(image.getImageId())) {
return image.getBlockDeviceMappings();
}
}
throw new AmazonClientException("Unable to get AMI device mapping for " + ami);
}
private static void putCache() throws CacheException {
if (amazon == null) amazon = JCS.getInstance("Instances");
synchronized (AmazonService.class) {
amazon.clear();
DescribeInstancesResult result = amazonClient.describeInstances();
for (Reservation r : result.getReservations()) {
for (Instance i : r.getInstances()) {
amazon.putInGroup(i.getInstanceId(), "Instances", i);
}
}
DescribeImagesRequest ir = new DescribeImagesRequest().withOwners("self");
DescribeImagesResult images = amazonClient.describeImages(ir);
for (Image r : images.getImages()) {
amazon.putInGroup(r.getImageId(), "AMIs", r);
}
log.debug("put cache finished");
}
}