protected NodeMetadataBuilder buildInstance(
final RunningInstance instance, NodeMetadataBuilder builder) {
builder.providerId(instance.getId());
builder.id(instance.getRegion() + "/" + instance.getId());
String group = getGroupForInstance(instance);
builder.group(group);
// standard convention from aws-ec2, which might not be re-used outside.
if (instance.getPrivateDnsName() != null)
builder.hostname(instance.getPrivateDnsName().replaceAll("\\..*", ""));
addCredentialsForInstance(builder, instance);
builder.status(instanceToNodeStatus.get(instance.getInstanceState()));
builder.backendStatus(instance.getRawState());
// collect all ip addresses into one bundle in case the api mistakenly put a private address
// into the public address field
Builder<String> addressesBuilder = ImmutableSet.builder();
if (Strings.emptyToNull(instance.getIpAddress()) != null)
addressesBuilder.add(instance.getIpAddress());
// Add dnsName (if available) to addresses, when the IPAddress is null
// happens on Eucalyptus sometimes.
else if (Strings.emptyToNull(instance.getDnsName()) != null)
addressesBuilder.add(instance.getDnsName());
if (Strings.emptyToNull(instance.getPrivateIpAddress()) != null)
addressesBuilder.add(instance.getPrivateIpAddress());
Set<String> addresses = addressesBuilder.build();
builder.publicAddresses(filter(addresses, not(IsPrivateIPAddress.INSTANCE)));
builder.privateAddresses(filter(addresses, IsPrivateIPAddress.INSTANCE));
builder.hardware(parseHardware(instance));
Location location = getLocationForAvailabilityZoneOrRegion(instance);
builder.location(location);
builder.imageId(instance.getRegion() + "/" + instance.getImageId());
// extract the operating system from the image
RegionAndName regionAndName = new RegionAndName(instance.getRegion(), instance.getImageId());
try {
Image image = imageMap.get().getUnchecked(regionAndName);
if (image != null) builder.operatingSystem(image.getOperatingSystem());
} catch (CacheLoader.InvalidCacheLoadException e) {
logger.debug("image not found for %s: %s", regionAndName, e);
} catch (UncheckedExecutionException e) {
logger.debug("error getting image for %s: %s", regionAndName, e);
}
return builder;
}