Example usage for com.amazonaws.services.ec2.model DescribeTagsRequest setFilters

Introduction

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

Prototype

public void setFilters(java.util.Collection<Filter> filters) 

Source Link

Document

The filters.

Usage

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 + ".");
    }/* w w w .ja  v a  2s.c  om*/

    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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