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

Introduction

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

Prototype

public static String getAvailabilityZone() 

Source Link

Document

Get the Availability Zone in which the instance launched.

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 . j av  a2s . 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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