Examples of com.amazonaws.services.ec2.AmazonEC2Client.describeInstances()

Class com.amazonaws.services.ec2.AmazonEC2Client

Examples of com.amazonaws.services.ec2.AmazonEC2Client.describeInstances()

com.amazonaws.services.ec2.AmazonEC2Client.describeInstances()

The DescribeInstances operation returns information about instances that you own.

If you specify one or more instance IDs, Amazon EC2 returns information for those instances. If you do not specify instance IDs, Amazon EC2 returns information for all relevant instances. If you specify an invalid instance ID, a fault is returned. If you specify an instance that you do not own, it will not be included in the returned results.

Recently terminated instances might appear in the returned results. This interval is usually less than one hour.
@param describeInstancesRequest Container for the necessary parametersto execute the DescribeInstances service method on AmazonEC2. @return The response from the DescribeInstances service method, asreturned by AmazonEC2. @throws AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. @throws AmazonServiceException If an error response is returned by AmazonEC2 indicating either a problem with the data in the request, or a server side issue.


        DelegateExecution execution = mock(DelegateExecution.class);
        List<String> instanceIds = Lists.newArrayList("i-123", "i-456");
        when(execution.getVariable(ProcessVariables.INSTANCE_IDS)).thenReturn(instanceIds);


        when(client.describeInstances(Matchers.<DescribeInstancesRequest>any()))
            .thenReturn(new DescribeInstancesResult()
                .withReservations(new Reservation().withInstances(
                    new Instance().withInstanceId("i-123").withPublicDnsName("i1.amazonaws.com")
                        .withPublicIpAddress("1.2.3.4").withPrivateDnsName("i1.internal").withPrivateIpAddress("10.1.2.3"),
                    new Instance().withInstanceId("i-456").withPublicDnsName("i2.amazonaws.com")

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        AmazonEC2 ec2Client = ec2Client();
        DescribeInstancesRequest request = new DescribeInstancesRequest();
        if (instanceIds != null) {
            request.withInstanceIds(Arrays.asList(instanceIds));
        }
        DescribeInstancesResult result = ec2Client.describeInstances(request);
        for (Reservation reservation : result.getReservations()) {
            instances.addAll(reservation.getInstances());
        }


        LOGGER.info(String.format("Got %d EC2 instances in region %s.", instances.size(), region));

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    List<String> instanceIds = new ArrayList<String>();


    for (Instance i : envResources.getEnvironmentResources().getInstances())
      instanceIds.add(i.getId());


    DescribeInstancesResult ec2Instances = ec2
        .describeInstances(new DescribeInstancesRequest()
            .withInstanceIds(instanceIds));


    PrintStream printStream = null;

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        DelegateExecution execution = mock(DelegateExecution.class);
        List<String> instanceIds = Lists.newArrayList("i-123", "i-456");
        when(execution.getVariable(ProcessVariables.INSTANCE_IDS)).thenReturn(instanceIds);


        when(client.describeInstances(Matchers.<DescribeInstancesRequest>any()))
            .thenReturn(new DescribeInstancesResult()
                .withReservations(new Reservation().withInstances(
                    new Instance().withInstanceId("i-123").withPublicDnsName("i1.amazonaws.com")
                        .withPublicIpAddress("1.2.3.4").withPrivateDnsName("i1.internal").withPrivateIpAddress("10.1.2.3"),
                    new Instance().withInstanceId("i-456").withPublicDnsName("i2.amazonaws.com")

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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);
        }

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                this.instance = startInstances(ec2client, ami_id, ins_type, execContext).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);
                }

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                this.instance = startInstances(ec2client, ami_id, ins_type, execContext).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);
                }

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                this.instance = startInstances(ec2client, ami_id, ins_type, execContext).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);
                }

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                this.instance = startInstances(ec2client, ami_id, ins_type, execContext).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);
                }

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            }
            try {
                AmazonEC2Client ec2Client = awsStackUtil.createEC2Client(awsInfra.getRegion(), awsCredential);
                DescribeInstancesRequest instancesRequest = new DescribeInstancesRequest()
                        .withFilters(new Filter().withName("tag:" + INSTANCE_TAG_NAME).withValues(resource.getResourceName()));
                instancesResult = ec2Client.describeInstances(instancesRequest);
            } catch (Exception ex) {
                LOGGER.error(ex.getMessage(), ex);
                instancesResult = new DescribeInstancesResult();
            }

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