com.amazonaws.services.ec2.model.DescribeAvailabilityZonesRequest Java Examples

/**
 * This implementation uses the DescribeAvailabilityZones API to get the list of AZs.
 */
@Override
public List<AvailabilityZone> getAvailabilityZonesForSubnetIds(Collection<Subnet> subnets, AwsParamsDto awsParamsDto)
{
    Set<String> zoneNames = new HashSet<>();
    for (Subnet subnet : subnets)
    {
        zoneNames.add(subnet.getAvailabilityZone());
    }

    AmazonEC2Client ec2Client = getEc2Client(awsParamsDto);
    DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest = new DescribeAvailabilityZonesRequest();
    describeAvailabilityZonesRequest.setZoneNames(zoneNames);
    DescribeAvailabilityZonesResult describeAvailabilityZonesResult = ec2Operations.describeAvailabilityZones(ec2Client, describeAvailabilityZonesRequest);
    return describeAvailabilityZonesResult.getAvailabilityZones();
}
 

private void fetchAZsIfNeeded(boolean availabilityZonesNeeded, AmazonEC2Client ec2Client, Map<Region, List<AvailabilityZone>> regionListMap,
        com.amazonaws.services.ec2.model.Region awsRegion, CloudCredential cloudCredential) {
    List<AvailabilityZone> collectedAZs = new ArrayList<>();
    if (availabilityZonesNeeded) {
        DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest = getDescribeAvailabilityZonesRequest(ec2Client, awsRegion);
        LOGGER.debug("Describing AZs in region {}", awsRegion.getRegionName());
        List<com.amazonaws.services.ec2.model.AvailabilityZone> availabilityZones
                = awsAvailabilityZoneProvider.describeAvailabilityZones(cloudCredential, describeAvailabilityZonesRequest, ec2Client, awsRegion);
        for (com.amazonaws.services.ec2.model.AvailabilityZone availabilityZone : availabilityZones) {
            if (!deniedAZs.contains(availabilityZone.getZoneName())) {
                collectedAZs.add(availabilityZone(availabilityZone.getZoneName()));
            }
        }
    }
    regionListMap.put(region(awsRegion.getRegionName()), collectedAZs);
}
 

@Override
public List<AvailabilityZone> getAvailabilityZones(Region region) throws Exception {
  OperationStats op = new OperationStats("ec2InstanceStore", "getAvailabilityZones");
  try {
    DescribeAvailabilityZonesRequest request = new DescribeAvailabilityZonesRequest();
    DescribeAvailabilityZonesResult result = getClient(region).describeAvailabilityZones();
    List<AvailabilityZone> ret = result.getAvailabilityZones();
    op.succeed();
    return ret;
  } catch (Exception ex) {
    op.failed();
    throw ex;
  }
}
 

@Override
public DescribeAvailabilityZonesResult describeAvailabilityZones(AmazonEC2Client ec2Client,
    DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest)
{
    List<AvailabilityZone> availabilityZones = new ArrayList<>();

    List<String> requestedZoneNames = describeAvailabilityZonesRequest.getZoneNames();

    // add all AZ if request is empty (this is AWS behavior)
    if (requestedZoneNames.isEmpty())
    {
        requestedZoneNames.addAll(mockAvailabilityZones.keySet());
    }

    for (String requestedZoneName : requestedZoneNames)
    {
        // ignore AZ name which does not exist (this is AWS behavior)
        MockAvailabilityZone mockAvailabilityZone = mockAvailabilityZones.get(requestedZoneName);
        if (mockAvailabilityZone != null)
        {
            availabilityZones.add(mockAvailabilityZone.toAwsObject());
        }
    }

    DescribeAvailabilityZonesResult describeAvailabilityZonesResult = new DescribeAvailabilityZonesResult();
    describeAvailabilityZonesResult.setAvailabilityZones(availabilityZones);

    return describeAvailabilityZonesResult;
}
 

/**
 * {@inheritDoc}
 */
@Override
public List<AvailabilityZone> getAvailabilityZones(Long userNo, Long platformNo) {
    // アベイラビリティゾーンを取得
    AwsProcessClient awsProcessClient = awsProcessClientFactory.createAwsProcessClient(userNo, platformNo);
    DescribeAvailabilityZonesRequest request = new DescribeAvailabilityZonesRequest();
    DescribeAvailabilityZonesResult result = awsProcessClient.getEc2Client().describeAvailabilityZones(request);
    List<AvailabilityZone> availabilityZones = result.getAvailabilityZones();

    // ソート
    Collections.sort(availabilityZones, Comparators.COMPARATOR_AVAILABILITY_ZONE);

    return availabilityZones;
}
 

public List<AvailabilityZone> describeAvailabilityZones(AwsProcessClient awsProcessClient) {
    DescribeAvailabilityZonesRequest request = new DescribeAvailabilityZonesRequest();
    DescribeAvailabilityZonesResult result = awsProcessClient.getEc2Client().describeAvailabilityZones(request);
    List<AvailabilityZone> availabilityZones = result.getAvailabilityZones();

    return availabilityZones;
}
 

private DescribeAvailabilityZonesRequest getDescribeAvailabilityZonesRequest(AmazonEC2Client ec2Client, com.amazonaws.services.ec2.model.Region awsRegion) {
    DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest = new DescribeAvailabilityZonesRequest();
    ec2Client.setRegion(RegionUtils.getRegion(awsRegion.getRegionName()));
    Filter filter = new Filter();
    filter.setName("region-name");
    Collection<String> list = new ArrayList<>();
    list.add(awsRegion.getRegionName());
    filter.setValues(list);
    describeAvailabilityZonesRequest.withFilters(filter);
    return describeAvailabilityZonesRequest;
}
 

private DescribeAvailabilityZonesResult describeAvailabilityZonesResult(AmazonEC2Client ec2Client, com.amazonaws.services.ec2.model.Region awsRegion) {
    try {
        DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest = getDescribeAvailabilityZonesRequest(ec2Client, awsRegion);
        return ec2Client.describeAvailabilityZones(describeAvailabilityZonesRequest);
    } catch (AmazonEC2Exception e) {
        LOGGER.info("Failed to retrieve AZ from Region: {}!", awsRegion.getRegionName(), e);
    }
    return new DescribeAvailabilityZonesResult();
}
 

@Cacheable(cacheNames = "cloudResourceAzCache", key = "{ #cloudCredential?.id, #awsRegion.regionName }")
public List<AvailabilityZone> describeAvailabilityZones(CloudCredential cloudCredential,
        DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest, AmazonEC2Client ec2Client,
        com.amazonaws.services.ec2.model.Region awsRegion) {
    DescribeAvailabilityZonesResult describeAvailabilityZonesResult = ec2Client.describeAvailabilityZones(describeAvailabilityZonesRequest);
    return describeAvailabilityZonesResult.getAvailabilityZones();
}
 

@Override
public DescribeAvailabilityZonesResult describeAvailabilityZones(AmazonEC2Client ec2Client,
    DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest)
{
    return ec2Client.describeAvailabilityZones(describeAvailabilityZonesRequest);
}
 

private DescribeAvailabilityZonesRequest prepareDescribeAvailabilityZoneRequest(String regionName) {
    return new DescribeAvailabilityZonesRequest().withFilters(new Filter().withName(REGION_NAME).withValues(regionName));
}
 

/**
 * {@link AmazonEC2#describeAvailabilityZones()}
 * 
 * @param ec2Client {@link AmazonEC2} to use.
 * @param describeAvailabilityZonesRequest The request object.
 * @return {@link DescribeAvailabilityZonesResult}
 */
public DescribeAvailabilityZonesResult describeAvailabilityZones(AmazonEC2Client ec2Client,
    DescribeAvailabilityZonesRequest describeAvailabilityZonesRequest);