Example usage for com.amazonaws.util EC2MetadataUtils.InstanceInfo getInstanceId

Introduction

In this page you can find the example usage for com.amazonaws.util EC2MetadataUtils.InstanceInfo getInstanceId.

Prototype

public static String getInstanceId() 

Source Link

Document

Get the ID of this instance.

Usage

From source file:com.amazon.kinesis.streaming.agent.processing.processors.AddEC2MetadataConverter.java

License:Open Source License

private void refreshEC2Metadata() {
    LOGGER.info("Refreshing EC2 metadata");

    metadataTimestamp = System.currentTimeMillis();

    try {/*from  ww  w  . ja  v  a  2s.  c  o m*/
        EC2MetadataUtils.InstanceInfo info = EC2MetadataUtils.getInstanceInfo();

        metadata = new LinkedHashMap<String, Object>();
        metadata.put("privateIp", info.getPrivateIp());
        metadata.put("availabilityZone", info.getAvailabilityZone());
        metadata.put("instanceId", info.getInstanceId());
        metadata.put("instanceType", info.getInstanceType());
        metadata.put("accountId", info.getAccountId());
        metadata.put("amiId", info.getImageId());
        metadata.put("region", info.getRegion());
        metadata.put("metadataTimestamp",
                new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ").format(new Date(metadataTimestamp)));

        final AmazonEC2 ec2 = AmazonEC2ClientBuilder.defaultClient();
        DescribeTagsResult result = ec2.describeTags(new DescribeTagsRequest()
                .withFilters(new Filter().withName("resource-id").withValues(info.getInstanceId())));
        List<TagDescription> tags = result.getTags();

        Map<String, Object> metadataTags = new LinkedHashMap<String, Object>();
        for (TagDescription tag : tags) {
            metadataTags.put(tag.getKey().toLowerCase(), tag.getValue());
        }
        metadata.put("tags", metadataTags);
    } catch (Exception ex) {
        LOGGER.warn("Error while updating EC2 metadata - " + ex.getMessage() + ", ignoring");
    }
}

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From source file:com.hazelcast.samples.amazon.elasticbeanstalk.HazelcastInstanceFactory.java

License:Open Source License

protected Properties getAwsProperties() {
    EC2MetadataUtils.InstanceInfo instanceInfo = EC2MetadataUtils.getInstanceInfo();
    String instanceId = instanceInfo.getInstanceId();

    // EB sets the environment ID and name as the elasticbeanstalk:environment-id and
    // elasticbeanstalk:environment-name EC2 tags on all of the parts of an EB app environment: load balancer,
    // EC2 instances, security groups, etc. Surprisingly, EC2 tags aren't available to instances through the
    // instance metadata interface, but they are available through the normal AWS APIs DescribeTags call.
    Collection<Filter> filters = new ArrayList<Filter>();
    filters.add(new Filter("resource-type").withValues("instance"));
    filters.add(new Filter("resource-id").withValues(instanceId));
    filters.add(new Filter("key").withValues(ELASTICBEANSTALK_ENVIRONMENT_NAME));

    DescribeTagsRequest describeTagsRequest = new DescribeTagsRequest();
    describeTagsRequest.setFilters(filters);
    DescribeTagsResult describeTagsResult = amazonEC2.describeTags(describeTagsRequest);

    if (describeTagsResult == null || describeTagsResult.getTags().isEmpty()) {
        throw new IllegalStateException(
                "No tag " + ELASTICBEANSTALK_ENVIRONMENT_NAME + " found for instance " + instanceId + ".");
    }//from  w  ww  .  j a v  a 2 s .com

    String environmentName = describeTagsResult.getTags().get(0).getValue();
    String environmentPassword = MD5Util.toMD5String(environmentName);

    Properties properties = new Properties();
    properties.setProperty(HAZELCAST_ENVIRONMENT_NAME, environmentName);
    properties.setProperty(HAZELCAST_ENVIRONMENT_PASSWORD, environmentPassword);
    properties.setProperty(HAZELCAST_AWS_IAM_ROLE, ELASTICBEANSTALK_EC2_ROLE_NAME);
    properties.setProperty(HAZELCAST_AWS_REGION, instanceInfo.getRegion());

    return properties;
}

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