public Collection<String> getIAMRolesRange() {
AmazonIdentityManagementClient identityManagementClient = new AmazonIdentityManagementClient(new BasicAWSCredentials(awsAccount.getAccessKeyId(), awsAccount.getAccessSecret()));
ListInstanceProfilesResult listInstanceProfilesResult = identityManagementClient.listInstanceProfiles();
List<String> iamRoles = new LinkedList<String>();
for(InstanceProfile instanceProfile: listInstanceProfilesResult.getInstanceProfiles()) {
iamRoles.addAll(Collections2.transform(instanceProfile.getRoles(), iamRoleToStringFunction));
}
return iamRoles;
}