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

Introduction

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

Prototype

DescribeTagsResult describeTags(DescribeTagsRequest describeTagsRequest);

Source Link

Document

Describes the specified tags for your EC2 resources.

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 a  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.kixeye.chassis.bootstrap.aws.AwsUtils.java

License:Apache License

/**
 * Fetches and instance's name Tag or null if it does not have one
 * @param instanceId//  w ww.  j a  v  a 2s.co  m
 * @param amazonEC2
 * @return
 */
public static String getInstanceName(String instanceId, AmazonEC2 amazonEC2) {
    DescribeTagsResult result = amazonEC2.describeTags(
            new DescribeTagsRequest().withFilters(new Filter().withName("resource-id").withValues(instanceId),
                    new Filter().withName("resource-type").withValues("instance"),
                    new Filter().withName("key").withValues(TAG_KEY_NAME)));
    if (result.getTags().isEmpty()) {
        return null;
    }
    String name = result.getTags().get(0).getValue();
    return name == null || name.trim().equals("") ? null : name;
}

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From source file:org.plukh.fluffymeow.aws.AWSInstanceInfoProviderImpl.java

License:Open Source License

@Override
public InstanceInfo getInstanceInfo() {
    if (instanceInfo == null) {
        try {/*from  ww  w.ja  va 2 s .  co m*/
            AmazonEC2 ec2 = new AmazonEC2Client();

            String instanceId = Request.Get("http://169.254.169.254/latest/meta-data/instance-id").execute()
                    .returnContent().asString();
            if (log.isDebugEnabled())
                log.debug("Instance Id: " + instanceId);

            DescribeTagsRequest tagsRequest = new DescribeTagsRequest().withFilters(
                    new Filter().withName("resource-id").withValues(instanceId),
                    new Filter().withName("key").withValues(NAME_TAG, DEPLOYMENT_ID_TAG));

            DescribeTagsResult tagsResult = ec2.describeTags(tagsRequest);

            String name = getTag(tagsResult, NAME_TAG);
            if (log.isDebugEnabled())
                log.debug("Instance name: " + name);

            String deploymentId = getTag(tagsResult, DEPLOYMENT_ID_TAG);
            if (log.isDebugEnabled())
                log.debug("Deployment: " + deploymentId);

            instanceInfo = new InstanceInfo().withInstanceId(instanceId).withName(name)
                    .withDeploymentId(deploymentId);
        } catch (IOException e) {
            throw new AWSInstanceInfoException("Error retrieving AWS instance info", e);
        }
    }

    return instanceInfo;
}

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From source file:org.web.online.cloudwatch.tomcat.valve.ElapsedTimeAggregator.java

License:Apache License

/**
 * Construct the instance. Sets up the Cloud Watch metric with the given parameters.
 * //from  w  w w .java  2s  .  c o m
 * @param namespace namespace value to use to push data to CloudWatch
 * @param region region used to look for instance tags and to push CloudWatch data
 * @param instanceId instanceId to use as dimension
 * @param asgName autoscaling group name to use as dimension
 * @param ec2Client ec2 client to use in querying tags to find ASG name
 * @param cloudWatchClient cloud watch client to use to push CloudWatch data
 */
public ElapsedTimeAggregator(String namespace, Region region, String instanceId, String asgName,
        AmazonEC2 ec2Client, AmazonCloudWatch cloudWatchClient) {

    this.region = region;

    if (instanceId == null) {
        throw new IllegalStateException("unable to find instance id");
    }

    // get the ASG name
    if (asgName == null) {
        ec2Client.setRegion(region);
        List<TagDescription> tagDescriptions = ec2Client.describeTags(new DescribeTagsRequest().withFilters(
                new Filter().withName("resource-id").withValues(instanceId),
                new Filter().withName("key").withValues("aws:autoscaling:groupName"))).getTags();
        if (tagDescriptions.size() == 1) {
            asgName = tagDescriptions.get(0).getValue();
        }
    }

    if (asgName == null) {
        log.warn("unable to determine AutoScalingGroupName for " + instanceId
                + ". No statistics will be published under the AutoScalingGroupName dimension");
    }

    cloudWatchClient.setRegion(region);
    this.cloudWatchClient = cloudWatchClient;

    String metricName = "ElapsedTime";
    Dimension instanceDimension = new Dimension().withName("InstanceId").withValue(instanceId);
    StatisticSet statisticSet = new StatisticSet();

    // set up the static MetricDatum and associate to the PutMetricDataRequest
    MetricDatum instanceMetricDatum = new MetricDatum().withMetricName(metricName)
            .withDimensions(instanceDimension).withStatisticValues(statisticSet)
            .withUnit(StandardUnit.Milliseconds);
    putMetricDataRequest = new PutMetricDataRequest().withNamespace(namespace)
            .withMetricData(instanceMetricDatum);

    // and a special zero value request since statistic set doesn't
    // support zero values
    MetricDatum zeroValueInstanceMetricDatum = new MetricDatum().withMetricName(metricName)
            .withDimensions(instanceDimension).withValue(0d).withUnit(StandardUnit.Milliseconds);
    zeroValuePutMetricDataRequest = new PutMetricDataRequest().withNamespace(namespace)
            .withMetricData(zeroValueInstanceMetricDatum);

    // also push metrics for the ASG dimension if we have an ASG name
    if (asgName != null) {
        Dimension asgDimension = new Dimension().withName("AutoScalingGroupName").withValue(asgName);
        MetricDatum asgMetricDatum = new MetricDatum().withMetricName(metricName).withDimensions(asgDimension)
                .withStatisticValues(statisticSet).withUnit(StandardUnit.Milliseconds);
        putMetricDataRequest.withMetricData(asgMetricDatum);
        MetricDatum zeroValueAsgMetricDatum = new MetricDatum().withMetricName(metricName)
                .withDimensions(asgDimension).withValue(0d).withUnit(StandardUnit.Milliseconds);
        zeroValuePutMetricDataRequest.withMetricData(zeroValueAsgMetricDatum);
    }
}

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