in aws-codedeploy-common/src/main/java/jetbrains/buildServer/runner/codedeploy/CodeDeployUtil.java [100:110]
public static Collection<String> getAutoScalingGroups(@NotNull Map<String, String> params) {
final String deploymentInstances = getGreenFleet(params);
if (StringUtil.isEmptyOrSpaces(deploymentInstances)) return Collections.emptyList();
final List<String> ec2Tags = new ArrayList<String>();
for (String s : deploymentInstances.trim().split(MULTILINE_SPLIT_REGEX)) {
if (s.contains(" ")) continue;
ec2Tags.add(s);
}
return ec2Tags;
}