@Override
public boolean isValidZone(String region, String zone) throws InvalidZoneException {
IaasProvider iaasInfo = getIaasProvider();
if (zone == null || iaasInfo == null) {
String msg = "Zone or IaaSProvider is null: zone: " + zone + " - IaaSProvider: " + iaasInfo;
log.error(msg);
throw new InvalidZoneException(msg);
}
ComputeServiceContext context = iaasInfo.getComputeService().getContext();
AvailabilityZoneAndRegionApi zoneRegionApi =
context.unwrapApi(AWSEC2Api.class).getAvailabilityZoneAndRegionApiForRegion(region).get();
Set<AvailabilityZoneInfo> availabilityZones =
zoneRegionApi.describeAvailabilityZonesInRegion(region);
for (AvailabilityZoneInfo zoneInfo : availabilityZones) {
String configuredZone = zoneInfo.getZone();
if (zone.equalsIgnoreCase(configuredZone)) {
if (log.isDebugEnabled()) {
log.debug("Found a matching zone: " + zone);
}
return true;
}
}
String msg =
"Invalid zone: "
+ zone
+ " in the region: "
+ region
+ " and of the iaas: "
+ iaasInfo.getType();
log.error(msg);
throw new InvalidZoneException(msg);
}
@Override
public boolean isValidHost(String zone, String host) throws InvalidHostException {
IaasProvider iaasInfo = getIaasProvider();
// there's no such concept in EC2
String msg =
"Invalid host: "
+ host
+ " in the zone: "
+ zone
+ " and of the iaas: "
+ iaasInfo.getType();
log.error(msg);
throw new InvalidHostException(msg);
}
@Override
public boolean isValidRegion(String region) throws InvalidRegionException {
IaasProvider iaasInfo = getIaasProvider();
if (region == null || iaasInfo == null) {
String msg =
"Region or IaaSProvider is null: region: " + region + " - IaaSProvider: " + iaasInfo;
log.error(msg);
throw new InvalidRegionException(msg);
}
ComputeServiceContext context = iaasInfo.getComputeService().getContext();
Set<String> regions = context.unwrapApi(AWSEC2Api.class).getConfiguredRegions();
for (String configuredRegion : regions) {
if (region.equalsIgnoreCase(configuredRegion)) {
if (log.isDebugEnabled()) {
log.debug("Found a matching region: " + region);
}
return true;
}
}
String msg = "Invalid region: " + region + " in the iaas: " + iaasInfo.getType();
log.error(msg);
throw new InvalidRegionException(msg);
}