SshKey sshKey = service.getSshKey();
Tag tag = new Tag(Tag.CONDUCTOR_ID, key);
DiskImageRecipe recipe = imageFactory.loadDiskImageResource(getClass(), "DiskImageRecipe.xml");
String securityGroup = service.getSecurityGroupName();
// TODO: This needs to be configurable. Use tags?
int minimumMemoryMb = 2048;
Managed<PersistentInstance> foundPersistentInstance = persistentInstances.getOrCreate(tag, recipe, managed.getModel().dnsName, sshKey.getName(), securityGroup, minimumMemoryMb);