Example usage for com.amazonaws.services.ec2 AmazonEC2 attachClassicLinkVpc

Introduction

In this page you can find the example usage for com.amazonaws.services.ec2 AmazonEC2 attachClassicLinkVpc.

Prototype

AttachClassicLinkVpcResult attachClassicLinkVpc(AttachClassicLinkVpcRequest attachClassicLinkVpcRequest);

Source Link

Document

Links an EC2-Classic instance to a ClassicLink-enabled VPC through one or more of the VPC's security groups.

Usage

From source file:com.netflix.spinnaker.clouddriver.aws.agent.ReconcileClassicLinkSecurityGroupsAgent.java

License:Apache License

void reconcileInstances(AmazonEC2 ec2, Map<String, String> groupNamesToIds,
        Collection<ClassicLinkInstance> instances) {
    RateLimiter apiRequestRateLimit = RateLimiter.create(5);
    StringBuilder report = new StringBuilder();
    for (ClassicLinkInstance i : instances) {
        List<String> existingClassicLinkGroups = i.getGroups().stream().map(GroupIdentifier::getGroupId)
                .collect(Collectors.toList());

        int maxNewGroups = deployDefaults.getMaxClassicLinkSecurityGroups() - existingClassicLinkGroups.size();
        if (maxNewGroups > 0) {
            String asgName = i.getTags().stream().filter(t -> AUTOSCALING_TAG.equals(t.getKey()))
                    .map(Tag::getValue).findFirst().orElse(null);

            List<String> candidateGroupNames = getSecurityGroupNames(asgName);

            List<String> missingGroupIds = candidateGroupNames.stream().map(groupNamesToIds::get)
                    .filter(name -> name != null && !existingClassicLinkGroups.contains(name))
                    .limit(maxNewGroups).collect(Collectors.toList());

            if (!missingGroupIds.isEmpty()) {
                List<String> groupIds = new ArrayList<>(existingClassicLinkGroups);
                groupIds.addAll(missingGroupIds);
                if (deployDefaults
                        .getReconcileClassicLinkSecurityGroups() == AwsConfiguration.DeployDefaults.ReconcileMode.MODIFY) {
                    apiRequestRateLimit.acquire();
                    try {
                        ec2.attachClassicLinkVpc(new AttachClassicLinkVpcRequest().withVpcId(i.getVpcId())
                                .withGroups(groupIds).withInstanceId(i.getInstanceId()));
                    } catch (AmazonServiceException ase) {
                        log.warn("Failed calling attachClassicLinkVpc", ase);
                    }//  ww  w.  ja va 2 s  .  c  o m
                }
                report.append("\n\t").append(Strings.padStart(i.getInstanceId(), 24, ' '))
                        .append(missingGroupIds);
            }
        }
    }
    if (report.length() > 0) {
        log.info("Attach to classicLinkVpc: account: " + account.getName() + ", region: " + region + report);
    }
}

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