Package com.amazonaws.services.ec2.model

Examples of com.amazonaws.services.ec2.model.Image


             * computing capacity in AWS datacenters.
             *
             * In this sample, we use the EC2 client to list the availability zones
             * in a region, and then list the instances running in those zones.
             */
            DescribeAvailabilityZonesResult availabilityZonesResult = ec2.describeAvailabilityZones();
            List<AvailabilityZone> availabilityZones = availabilityZonesResult.getAvailabilityZones();
            System.out.println("You have access to " + availabilityZones.size() + " availability zones:");
            for (AvailabilityZone zone : availabilityZones) {
                System.out.println(" - " + zone.getZoneName() + " (" + zone.getRegionName() + ")");
            }

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      if (ami_id != null)
        this.instance = startInstances(ec2client, ami_id, ins_type, invocationContext.getExecutionContext().getNotificationService()).get(0);
      else {

        // already running instance
        DescribeInstancesRequest describeInstancesRequest = new DescribeInstancesRequest();
        DescribeInstancesResult describeInstancesResult = ec2client.describeInstances(describeInstancesRequest.withInstanceIds(ins_id));

        if (describeInstancesResult.getReservations().size() == 0 || describeInstancesResult.getReservations().get(0).getInstances().size() == 0) {
          throw new GfacException("Instance not found:" + ins_id, FaultCode.InvalidRequest);
        }
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        Thread.sleep(SLEEP_TIME_SECOND * 1000l);
      } catch (Exception ex) {
        // no op
      }

      DescribeInstancesRequest describeInstancesRequest = new DescribeInstancesRequest();
      describeInstancesRequest.setInstanceIds(getInstanceIDs(instances));

      DescribeInstancesResult describeInstancesResult = ec2.describeInstances(describeInstancesRequest);
      instances = describeInstancesResult.getReservations().get(0).getInstances();
    }

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    }

    @Override public List<DiscoveryNode> buildDynamicNodes() {
        List<DiscoveryNode> discoNodes = Lists.newArrayList();

        DescribeInstancesResult descInstances = client.describeInstances(new DescribeInstancesRequest());

        logger.trace("building dynamic unicast discovery nodes...");
        for (Reservation reservation : descInstances.getReservations()) {
            if (!groups.isEmpty()) {
                // lets see if we can filter based on groups
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    }

    private Instance describeInstance(AmazonEC2Client ec2, String ec2InstanceId) {
        Instance ec2Instance = null;
        {
            DescribeInstancesRequest request = new DescribeInstancesRequest();
            request.setInstanceIds(Collections.singletonList(ec2InstanceId));
            DescribeInstancesResult response = ec2.describeInstances(request);

            List<Reservation> reservations = response.getReservations();
            for (Reservation reservation : reservations) {
                for (Instance i : reservation.getInstances()) {
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    updateInstanceState(instanceId, "running");
  }

  private void getInstancesState()
  {
    DescribeInstancesResult describeInstancesResult = ec2Client.describeInstances();
    List<Reservation> reservations = describeInstancesResult.getReservations();
    for (Reservation reservation : reservations)
    {
      List<Instance> instances = reservation.getInstances();
      for (Instance instance : instances)
      {
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    getInstancesState();
  }

  private List<String> initInstancesIds()
  {
    DescribeInstancesResult describeInstancesResult = ec2Client.describeInstances();
    List<Reservation> reservations = describeInstancesResult.getReservations();
    List<String> instancesIds = new ArrayList<String>();
    for (Reservation reservation : reservations)
    {
      List<Instance> instances = reservation.getInstances();
      for (Instance instance : instances)
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   *
   * @return list of instances
   */
  public static List<Instance> loadInstances() {
    List<Instance> resultList = new ArrayList<Instance>();
    DescribeInstancesResult describeInstancesResult = getEC2Client().describeInstances();
    List<Reservation> reservations = describeInstancesResult.getReservations();
    for (Iterator<Reservation> iterator = reservations.iterator(); iterator.hasNext();) {
      Reservation reservation = iterator.next();
      for (Instance instance : reservation.getInstances()) {
        resultList.add(instance);
      }
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        this.instance = startInstances(ec2client, ami_id, ins_type, invocationContext.getExecutionContext().getNotificationService()).get(0);
      else {

        // already running instance
        DescribeInstancesRequest describeInstancesRequest = new DescribeInstancesRequest();
        DescribeInstancesResult describeInstancesResult = ec2client.describeInstances(describeInstancesRequest.withInstanceIds(ins_id));

        if (describeInstancesResult.getReservations().size() == 0 || describeInstancesResult.getReservations().get(0).getInstances().size() == 0) {
          throw new GfacException("Instance not found:" + ins_id, FaultCode.InvalidRequest);
        }

        this.instance = describeInstancesResult.getReservations().get(0).getInstances().get(0);

        // check instance keypair
        if (this.instance.getKeyName() == null || !this.instance.getKeyName().equals(KEY_PAIR_NAME))
          throw new GfacException("Keypair for instance:" + ins_id + " is not valid", FaultCode.InvalidRequest);
      }
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      }

      DescribeInstancesRequest describeInstancesRequest = new DescribeInstancesRequest();
      describeInstancesRequest.setInstanceIds(getInstanceIDs(instances));

      DescribeInstancesResult describeInstancesResult = ec2.describeInstances(describeInstancesRequest);
      instances = describeInstancesResult.getReservations().get(0).getInstances();
    }

    log.info("All instances is running");
    return instances;
  }
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