Example usage for com.amazonaws.services.ec2.model DescribeInstanceAttributeRequest setAttribute

Introduction

In this page you can find the example usage for com.amazonaws.services.ec2.model DescribeInstanceAttributeRequest setAttribute.

Prototype

public void setAttribute(InstanceAttributeName attribute) 

Source Link

Document

The instance attribute.

Usage

From source file:org.zalando.stups.fullstop.plugin.RegistryPlugin.java

License:Apache License

private Map getUserData(final CloudTrailEvent event, final String instanceId) {

    AmazonEC2Client ec2Client = cachingClientProvider.getClient(AmazonEC2Client.class,
            event.getEventData().getUserIdentity().getAccountId(),
            Region.getRegion(Regions.fromName(event.getEventData().getAwsRegion())));

    DescribeInstanceAttributeRequest describeInstanceAttributeRequest = new DescribeInstanceAttributeRequest();
    describeInstanceAttributeRequest.setInstanceId(instanceId);
    describeInstanceAttributeRequest.setAttribute(USER_DATA);

    DescribeInstanceAttributeResult describeInstanceAttributeResult;
    try {//from  w  w w . j ava2  s  .  co  m
        describeInstanceAttributeResult = ec2Client.describeInstanceAttribute(describeInstanceAttributeRequest);
    } catch (AmazonServiceException e) {
        LOG.error(e.getMessage());
        violationStore
                .save(new ViolationBuilder(format("InstanceId: %s doesn't have any userData.", instanceId))
                        .withEvent(event).build());
        return null;
    }

    String userData = describeInstanceAttributeResult.getInstanceAttribute().getUserData();

    if (userData == null) {
        violationStore
                .save(new ViolationBuilder(format("InstanceId: %s doesn't have any userData.", instanceId))
                        .withEvent(event).build());
        return null;
    }

    byte[] bytesUserData = Base64.decode(userData);
    String decodedUserData = new String(bytesUserData);

    Yaml yaml = new Yaml();

    return (Map) yaml.load(decodedUserData);
}

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