Example usage for com.amazonaws.services.ec2.model DescribeRegionsRequest DescribeRegionsRequest

Introduction

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

Prototype

DescribeRegionsRequest

Source Link

Usage

From source file:com.netflix.spinnaker.clouddriver.aws.security.DefaultAWSAccountInfoLookup.java

License:Apache License

@Override
public List<AWSRegion> listRegions(Collection<String> regionNames) {
    Set<String> nameSet = new HashSet<>(regionNames);
    AmazonEC2 ec2 = amazonClientProvider.getAmazonEC2(credentialsProvider, AmazonClientProvider.DEFAULT_REGION);

    DescribeRegionsRequest request = new DescribeRegionsRequest();
    if (!nameSet.isEmpty()) {
        request.withRegionNames(regionNames);
    }//from  ww w  .  java2s.  com
    List<Region> regions = ec2.describeRegions(request).getRegions();
    if (regions.size() != nameSet.size()) {
        Set<String> missingSet = new HashSet<>(nameSet);
        for (Region region : regions) {
            missingSet.remove(region.getRegionName());
        }
        throw new IllegalArgumentException(
                "Unknown region" + (missingSet.size() > 1 ? "s: " : ": ") + missingSet);
    }
    List<AWSRegion> awsRegions = new ArrayList<>(regions.size());
    for (Region region : regions) {
        ec2.setEndpoint(region.getEndpoint());
        List<AvailabilityZone> azs = ec2.describeAvailabilityZones().getAvailabilityZones();
        List<String> availabilityZoneNames = new ArrayList<>(azs.size());
        for (AvailabilityZone az : azs) {
            availabilityZoneNames.add(az.getZoneName());
        }

        awsRegions.add(new AWSRegion(region.getRegionName(), availabilityZoneNames));
    }
    return awsRegions;
}

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From source file:jp.primecloud.auto.aws.typica.EucaEc2Client.java

License:Open Source License

@Override
public DescribeRegionsResult describeRegions() {
    return describeRegions(new DescribeRegionsRequest());
}

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From source file:org.elasticdroid.model.EC2InstancesModel.java

License:Open Source License

/**
 * //w ww .  ja va2 s.  c  om
 * @param filters
 * @return This method can return:
 * <ul>
 * <li>ArrayList<SerializableInstance>: If all goes well</li>
 * <li>AmazonClientException: If there's connectivity problems on the client.</li>
 * <li>AmazonServiceException: If there's AWS service problems.</li>
 * <li>IllegalArgumentException: If the region can't be found.</li>
 * </ul>
 */
public Object getInstances(Filter... filters) {
    ArrayList<SerializableInstance> serInstances = new ArrayList<SerializableInstance>();
    //result passed to Activity
    List<Region> regions;
    List<Reservation> reservations; //restult from EC2

    //create credentials using the BasicAWSCredentials class
    BasicAWSCredentials credentials = new BasicAWSCredentials(connectionData.get("accessKey"),
            connectionData.get("secretAccessKey"));
    //create Amazon EC2 Client object, and set tye end point to the region. params[3]
    //contains endpoint
    AmazonEC2Client amazonEC2Client = new AmazonEC2Client(credentials);

    //1. create a filter for this region name
    Filter regionFilter = new Filter("region-name");
    regionFilter.setValues(new ArrayList<String>(Arrays.asList(new String[] { selectedRegion })));

    //2. query using this filter
    try {
        regions = amazonEC2Client.describeRegions(new DescribeRegionsRequest().withFilters(regionFilter))
                .getRegions();
    } catch (AmazonServiceException exc) {
        return exc;
    } catch (AmazonClientException exc) {
        return exc;
    }

    //3. Make sure the region was found.
    if (regions.size() != 1) {
        return new IllegalArgumentException("Invalid region passed to model.");
    }

    Log.v(TAG + ".doInBackground()",
            "endpoint for region : " + selectedRegion + "=" + regions.get(0).getEndpoint());
    //set the endpoint
    amazonEC2Client.setEndpoint(regions.get(0).getEndpoint());

    //now get the instances

    Log.v(TAG, "Size of filters:" + filters.length);
    DescribeInstancesRequest request = new DescribeInstancesRequest();
    request.setFilters(Arrays.asList(filters));

    //get the list of instances using this filter
    try {
        reservations = amazonEC2Client.describeInstances(request).getReservations();
    } catch (AmazonServiceException amazonServiceException) {
        return amazonServiceException;
    } catch (AmazonClientException amazonClientException) {
        return amazonClientException;
    }

    //add each instance found into the list of instances to return to the view
    for (Reservation reservation : reservations) {
        List<String> securityGroups = reservation.getGroupNames();
        //note to self: List is an interface ArrayList implements.
        //for each reservation, get the list of instances associated
        for (Instance instance : reservation.getInstances()) {
            serInstances.add(new SerializableInstance(instance, securityGroups));
        }
    }

    return serInstances;
}

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From source file:org.excalibur.service.aws.ec2.EC2.java

License:Open Source License

public Region getRegionByName(String regionName) {
    try {/*from  w  w  w . j a va 2s. c  o  m*/
        DescribeRegionsResult regionResult = ec2_
                .describeRegions(new DescribeRegionsRequest().withRegionNames(regionName));
        com.amazonaws.services.ec2.model.Region region = org.excalibur.core.util.Lists2
                .first(regionResult.getRegions());
        return new Region().setEndpoint(region.getEndpoint()).setName(region.getRegionName());
    } catch (AmazonClientException exception) {
        LOG.error("Invalid region name [{}]. Message error: [{}]", regionName, exception.getMessage());

        return null;
    }
}

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From source file:org.jenkinsci.plugins.amazonwebservices.cloud.EC2.java

License:Open Source License

public static URL getEc2RegionEndpointUrl(AmazonEC2 ec2, String region) {
    try {// w  ww.  j a va2s. c o  m
        DescribeRegionsResult regions = ec2
                .describeRegions(new DescribeRegionsRequest().withRegionNames(region));
        return new URL("https://" + regions.getRegions().get(0).getEndpoint());
    } catch (MalformedURLException e) {
        throw new Error(e);
    } catch (AmazonClientException e) {
        throw new Error(e);
    }
}

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