Java Code Examples for com.amazonaws.services.ec2.model.DescribeSubnetsResult#getSubnets()

/**
 * Calls DescribeSubnets on the AWS EC2 Client returning all subnets that match the supplied predicate and attempting
 * to push down certain predicates (namely queries for specific subnet) to EC2.
 *
 * @See TableProvider
 */
@Override
public void readWithConstraint(BlockSpiller spiller, ReadRecordsRequest recordsRequest, QueryStatusChecker queryStatusChecker)
{
    DescribeSubnetsRequest request = new DescribeSubnetsRequest();

    ValueSet idConstraint = recordsRequest.getConstraints().getSummary().get("id");
    if (idConstraint != null && idConstraint.isSingleValue()) {
        request.setSubnetIds(Collections.singletonList(idConstraint.getSingleValue().toString()));
    }

    DescribeSubnetsResult response = ec2.describeSubnets(request);
    for (Subnet subnet : response.getSubnets()) {
        instanceToRow(subnet, spiller);
    }
}
 

/**
 * Fetch subnets.
 *
 * @param temporaryCredentials the temporary credentials
 * @param skipRegions the skip regions
 * @param accountId the accountId
 * @param accountName the account name
 * @return the map
 */
public static Map<String,List<Subnet>> fetchSubnets(BasicSessionCredentials temporaryCredentials, String skipRegions,String accountId,String accountName) {
	Map<String,List<Subnet>> subnets = new LinkedHashMap<>();
	AmazonEC2 ec2Client ;
	String expPrefix = InventoryConstants.ERROR_PREFIX_CODE+accountId + "\",\"Message\": \"Exception in fetching info for resource in specific region\" ,\"type\": \"Subnet\" , \"region\":\"" ;
	for(Region region : RegionUtils.getRegions()){
		try{
			if(!skipRegions.contains(region.getName())){
				ec2Client = AmazonEC2ClientBuilder.standard().withCredentials(new AWSStaticCredentialsProvider(temporaryCredentials)).withRegion(region.getName()).build();
				DescribeSubnetsResult rslt = ec2Client.describeSubnets();
				List<Subnet> subnetsTemp =rslt.getSubnets();
				if(! subnetsTemp.isEmpty() ){
					log.debug(InventoryConstants.ACCOUNT + accountId +" Type : Subnet "+region.getName() + " >> "+subnetsTemp.size());
					subnets.put(accountId+delimiter+accountName+delimiter+region.getName(),subnetsTemp);
				}

			}
		}catch(Exception e){
			log.warn(expPrefix+ region.getName()+InventoryConstants.ERROR_CAUSE +e.getMessage()+"\"}");
			ErrorManageUtil.uploadError(accountId,region.getName(),"subnet",e.getMessage());
		}
	}

	return subnets;
}
 

/**
 * Checks whether exiting Subnet is present.
 * 
 * @param subnetString
 * @return <code>Subnet </code> if the matches one of the subnetString
 * 
 */
public Subnet resolveSubnet(String subnetString) throws APPlatformException {
    DescribeSubnetsRequest request = new DescribeSubnetsRequest();
    DescribeSubnetsResult result = getEC2().describeSubnets(
            request.withSubnetIds(subnetString));
    List<Subnet> subnets = result.getSubnets();
    if (!subnets.isEmpty()) {
        LOGGER.debug(" number of subnets found: " + subnets.size());
        for (Subnet subnet : subnets) {
            LOGGER.debug("return subnet with id " + subnet.getSubnetId());
            return subnet;
        }

    }
    throw new APPlatformException(
            Messages.getAll("error_invalid_subnet_id") + subnetString);

}
 

@Override
public boolean hasSubnets(String vpcId) throws AutoException {
    if (StringUtils.isEmpty(vpcId)) {
        log.info(platform.getPlatformName() + " にvpcIdが有りません");
        System.out.println("VPCID_EMPTY");
        return false;
    }

    DescribeSubnetsRequest request = new DescribeSubnetsRequest();
    request.withFilters(new Filter().withName("vpc-id").withValues(vpcId));
    DescribeSubnetsResult result = ec2Client.describeSubnets(request);
    List<Subnet> subnets = result.getSubnets();

    if (subnets.isEmpty()) {
        log.info(platform.getPlatformName() + " にサブネットが有りません");
        System.out.println("SUBNET_EMPTY");
        return false;
    }

    return true;
}
 

private void validateExistingSubnet(AwsNetworkView awsNetworkView, AmazonEC2 amazonEC2Client) {
    if (awsNetworkView.isExistingSubnet()) {
        DescribeSubnetsRequest describeSubnetsRequest = new DescribeSubnetsRequest();
        describeSubnetsRequest.withSubnetIds(awsNetworkView.getSubnetList());
        DescribeSubnetsResult describeSubnetsResult = amazonEC2Client.describeSubnets(describeSubnetsRequest);
        if (describeSubnetsResult.getSubnets().size() < awsNetworkView.getSubnetList().size()) {
            throw new CloudConnectorException(String.format(SUBNET_DOES_NOT_EXIST_MSG, awsNetworkView.getExistingSubnet()));
        } else {
            for (Subnet subnet : describeSubnetsResult.getSubnets()) {
                String vpcId = subnet.getVpcId();
                if (vpcId != null && !vpcId.equals(awsNetworkView.getExistingVpc())) {
                    throw new CloudConnectorException(String.format(SUBNETVPC_DOES_NOT_EXIST_MSG, awsNetworkView.getExistingSubnet(),
                            awsNetworkView.getExistingVpc()));
                }
            }
        }
    }
}
 

/**
 * This implementation uses the DescribeSubnets API.
 */
@Override
public List<Subnet> getSubnets(Collection<String> subnetIds, AwsParamsDto awsParamsDto)
{
    AmazonEC2Client ec2Client = getEc2Client(awsParamsDto);
    DescribeSubnetsRequest describeSubnetsRequest = new DescribeSubnetsRequest();
    describeSubnetsRequest.setSubnetIds(subnetIds);
    try
    {
        DescribeSubnetsResult describeSubnetsResult = ec2Operations.describeSubnets(ec2Client, describeSubnetsRequest);
        return describeSubnetsResult.getSubnets();
    }
    catch (AmazonServiceException amazonServiceException)
    {
        /*
         * AWS throws a 400 error when any one of the specified subnet ID is not found.
         * We want to catch it and throw as an handled herd error as a 404 not found.
         */
        if (ERROR_CODE_SUBNET_ID_NOT_FOUND.equals(amazonServiceException.getErrorCode()))
        {
            throw new ObjectNotFoundException(amazonServiceException.getErrorMessage(), amazonServiceException);
        }
        // Any other type of error we throw as is because they are unexpected.
        else
        {
            throw amazonServiceException;
        }
    }
}
 

/**
 * {@inheritDoc}
 */
@Override
public List<Subnet> getSubnets(Long userNo, Long platformNo) {
    // VPCかどうかのチェック
    PlatformAws platformAws = platformAwsDao.read(platformNo);
    if (BooleanUtils.isNotTrue(platformAws.getVpc())) {
        // 非VPCの場合、サブネットはない
        return new ArrayList<Subnet>();
    }

    // サブネットを取得
    AwsProcessClient awsProcessClient = awsProcessClientFactory.createAwsProcessClient(userNo, platformNo);
    DescribeSubnetsRequest request = new DescribeSubnetsRequest();
    request.withFilters(new Filter().withName("vpc-id").withValues(platformAws.getVpcId()));
    DescribeSubnetsResult result = awsProcessClient.getEc2Client().describeSubnets(request);
    List<Subnet> subnets = result.getSubnets();

    // プラットフォームにサブネットが指定されている場合、そのサブネットのみに制限する
    if (StringUtils.isNotEmpty(awsProcessClient.getPlatformAws().getSubnetId())) {
        List<String> subnetIds = new ArrayList<String>();
        for (String subnetId : StringUtils.split(awsProcessClient.getPlatformAws().getSubnetId(), ",")) {
            subnetIds.add(subnetId.trim());
        }

        List<Subnet> subnets2 = new ArrayList<Subnet>();
        for (Subnet subnet : subnets) {
            if (subnetIds.contains(subnet.getSubnetId())) {
                subnets2.add(subnet);
            }
        }
        subnets = subnets2;
    }

    // ソート
    Collections.sort(subnets, Comparators.COMPARATOR_SUBNET);

    return subnets;
}
 

public List<Subnet> describeSubnetsByVpcId(AwsProcessClient awsProcessClient, String vpcId) {
    DescribeSubnetsRequest request = new DescribeSubnetsRequest();
    request.withFilters(new Filter().withName("vpc-id").withValues(vpcId));
    DescribeSubnetsResult result = awsProcessClient.getEc2Client().describeSubnets(request);
    List<Subnet> subnets = result.getSubnets();

    return subnets;
}
 

/**
 * Describe Subnets.
 * @return List of Subnet
 */
protected final List<Subnet> getSubnets() {
    List<Subnet> subnets = null;

    DescribeSubnetsRequest req = new DescribeSubnetsRequest();
    DescribeSubnetsResult result = amazonEC2Client.describeSubnets(req);
    if (result != null && !result.getSubnets().isEmpty()) {
        subnets = result.getSubnets();
    }

     return subnets;
  }
 

/**
 * Gets the subnets for region.
 *
 * @param ec2ServiceClient the ec 2 service client
 * @param region the region
 * @param describeSubnetsRequest the describe subnets request
 * @return the subnets for region
 */
public static List<Subnet> getSubnetsForRegion(AmazonEC2 ec2ServiceClient,
		Region region, DescribeSubnetsRequest describeSubnetsRequest) {
	ec2ServiceClient.setRegion(region);
	DescribeSubnetsResult describeSubnetsResult = ec2ServiceClient.describeSubnets(describeSubnetsRequest);
	return describeSubnetsResult.getSubnets();
}