Example usage for com.amazonaws.services.ec2.model InstanceAttributeName GroupSet

Introduction

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

Prototype

InstanceAttributeName GroupSet

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Usage

From source file:org.finra.dm.dao.impl.Ec2DaoImpl.java

License:Apache License

/**
 * Adds the security groups to an EC2 instance.
 *
 * @param ec2InstanceId, the ec2 instance id.
 * @param securityGroups, security groups to be added.
 * @param awsParams, awsParamsDto object
 *
 * @return updated security groups./*from ww  w .j  av a2  s .  c  o  m*/
 */
@Override
public List<String> addSecurityGroupsToEc2Instance(String ec2InstanceId, List<String> securityGroups,
        AwsParamsDto awsParams) {
    Set<String> updatedSecurityGroups = new HashSet<>();
    for (String securityGroup : securityGroups) {
        updatedSecurityGroups.add(securityGroup);
    }

    // Get existing security groups
    DescribeInstanceAttributeRequest describeInstanceAttributeRequest = new DescribeInstanceAttributeRequest()
            .withInstanceId(ec2InstanceId).withAttribute(InstanceAttributeName.GroupSet);

    DescribeInstanceAttributeResult describeInstanceAttributeResult = ec2Operations
            .describeInstanceAttribute(getEc2Client(awsParams), describeInstanceAttributeRequest);

    List<GroupIdentifier> groups = describeInstanceAttributeResult.getInstanceAttribute().getGroups();
    for (GroupIdentifier groupIdentifier : groups) {
        updatedSecurityGroups.add(groupIdentifier.getGroupId());
    }

    // Add security group on master EC2 instance
    ModifyInstanceAttributeRequest modifyInstanceAttributeRequest = new ModifyInstanceAttributeRequest()
            .withInstanceId(ec2InstanceId).withGroups(updatedSecurityGroups);

    ec2Operations.modifyInstanceAttribute(getEc2Client(awsParams), modifyInstanceAttributeRequest);

    return new ArrayList<>(updatedSecurityGroups);
}

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