Example usage for com.amazonaws.services.ec2.model InstanceStateChange getCurrentState

List of usage examples for com.amazonaws.services.ec2.model InstanceStateChange getCurrentState

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Introduction

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

Prototype


public InstanceState getCurrentState()

Source Link

Document

The current state of the instance.

Usage

From source file:ca.roussil.ec2instancestarter.SimpleEc2Service.java

License:Open Source License

/**
 * Wait for a instance to complete transitioning (i.e. status not being in
 * INSTANCE_STATE_IN_PROGRESS_SET or the instance no longer existing).
 * //from w ww  .  j a va 2  s .  co  m
 * @param stateChangeList
 * @param instancebuilder
 * @param instanceId
 * @param BuildLogger
 * @throws InterruptedException
 * @throws Exception
 */
private final String waitForTransitionCompletion(List<InstanceStateChange> stateChangeList,
        final String desiredState, String instanceId) throws InterruptedException {

    Boolean transitionCompleted = false;
    InstanceStateChange stateChange = stateChangeList.get(0);
    String previousState = stateChange.getPreviousState().getName();
    String currentState = stateChange.getCurrentState().getName();
    String transitionReason = "";

    while (!transitionCompleted) {
        try {
            Instance instance = getSingleEc2InstanceById(instanceId);
            currentState = instance.getState().getName();
            if (previousState.equals(currentState)) {
                log.info("... '" + instanceId + "' is still in state " + currentState + " ...");
            } else {
                log.info("... '" + instanceId + "' entered state " + currentState + " ...");
                transitionReason = instance.getStateTransitionReason();
            }
            previousState = currentState;

            if (currentState.equals(desiredState)) {
                transitionCompleted = true;
            }
        } catch (AmazonServiceException ase) {
            log.error("Failed to describe instance '" + instanceId + "'!", ase);
            throw ase;
        }

        // Sleep for WAIT_FOR_TRANSITION_INTERVAL seconds until transition
        // has completed.
        if (!transitionCompleted) {
            Thread.sleep(WAIT_FOR_TRANSITION_INTERVAL);
        }
    }

    log.info("Transition of instance '" + instanceId + "' completed with state " + currentState + " ("
            + (StringUtils.isEmpty(transitionReason) ? "Unknown transition reason" : transitionReason) + ").");

    return currentState;
}

From source file:com.github.vatbub.awsvpnlauncher.Main.java

License:Apache License

/**
 * Terminates all AWS instances that were started using this app
 *
 * @see #launch()/*from  ww  w  . j  a  v a2s  . c om*/
 */
private static void terminate() {
    String instanceIdsPrefValue = prefs.getPreference("instanceIDs", "");
    if (instanceIdsPrefValue.equals("")) {
        throw new IllegalStateException(
                "No instance was started with this script so no instance can be terminated. Launch a new instance using the launch command prior to terminate it.");
    }

    FOKLogger.info(Main.class.getName(), "Sending the termination request to AWS EC2...");
    List<String> instanceIds = Arrays.asList(instanceIdsPrefValue.split(";"));
    for (String instanceId : instanceIds) {
        try {
            List<String> instanceIdCopy = new ArrayList<>();
            instanceIdCopy.add(instanceId);
            TerminateInstancesRequest request = new TerminateInstancesRequest(instanceIdCopy);
            TerminateInstancesResult result = client.terminateInstances(request);

            for (InstanceStateChange item : result.getTerminatingInstances()) {
                FOKLogger.info(Main.class.getName(),
                        "Terminated instance: " + item.getInstanceId() + ", instance state changed from "
                                + item.getPreviousState() + " to " + item.getCurrentState());
            }
        } catch (AmazonEC2Exception e) {
            FOKLogger.severe(Main.class.getName(),
                    "Could not terminate instance " + instanceId + ": " + e.getMessage());
        }
    }

    try {
        String cloudflareAPIKey = prefs.getPreference(Property.cloudflareAPIKey);
        String cloudflareEmail = prefs.getPreference(Property.cloudflareEmail);
        String targetDomain = prefs.getPreference(Property.cloudflareTargetZoneId);
        String cloudflareRecordID = prefs.getPreference("cloudflareRecordID", "0");

        CloudflareAccess cloudflareAccess = new CloudflareAccess(cloudflareEmail, cloudflareAPIKey);
        DNSDeleteRecord cloudFlareDeleteDNSRecordRequest = new DNSDeleteRecord(cloudflareAccess, targetDomain,
                cloudflareRecordID);

        FOKLogger.info(Main.class.getName(), "Deleting the DNS record on cloudflare...");
        JSONObject cloudflareResult = cloudFlareDeleteDNSRecordRequest.executeBasic();

        if (cloudflareResult == null) {
            FOKLogger.severe(Main.class.getName(),
                    "Something went wrong while deleting the DNS record for the vpn server on Cloudflare.");
        } else {
            prefs.setPreference("cloudflareRecordID", "0");
            FOKLogger.info(Main.class.getName(), "The DNS record for the VPN Server was successfully deleted");
            FOKLogger.fine(Main.class.getName(), "Cloudflare request result:");
            FOKLogger.fine(Main.class.getName(), cloudflareResult.toString());
        }
    } catch (PropertyNotConfiguredException e) {
        FOKLogger.info(Main.class.getName(),
                "Cloudflare config is not defined, not sending the ip to cloudflare");
    } catch (CloudflareError e) {
        FOKLogger.log(Main.class.getName(), Level.SEVERE,
                "Something went wrong while deleting the DNS record for the vpn server on Cloudflare.", e);
    }

    // Delete the config value
    prefs.setPreference("instanceIDs", "");
}

From source file:com.intuit.tank.vmManager.environment.amazon.AmazonDataConverter.java

License:Open Source License

public List<VMInformation> processStateChange(List<InstanceStateChange> changes) {
    List<VMInformation> output = new ArrayList<VMInformation>();
    try {//  w ww  .j ava2 s.  c o m
        for (InstanceStateChange instance : changes) {
            VMInformation info = new VMInformation();
            info.setInstanceId(instance.getInstanceId());
            info.setState(instance.getCurrentState().getName());
            output.add(info);
        }

        return output;
    } catch (Exception ex) {
        LOG.error(ex.getMessage(), ex);
        if (ex instanceof RuntimeException) {
            throw (RuntimeException) ex;
        }
        throw new RuntimeException(ex);
    }
}

From source file:com.lunabeat.pooper.commands.AppCommand.java

License:Apache License

private void terminateCluster(String clusterName) {
    HadoopCluster cluster = new HadoopCluster(clusterName, _config);
    TerminateInstancesResult tr = cluster.terminateCluster();
    if (tr == null || tr.getTerminatingInstances().isEmpty()) {
        out.println("no instances terminated.");
        System.exit(0);/*from   www  .j a  va2s. c o m*/
    }
    out.println("Terminating " + tr.getTerminatingInstances().size() + " instances.");
    for (InstanceStateChange i : tr.getTerminatingInstances()) {
        out.println("\t" + i.getInstanceId() + " " + i.getPreviousState().getName() + " -> "
                + i.getCurrentState().getName());
    }
    out.println("Success.");
}

From source file:com.lunabeat.pooper.commands.AppCommand.java

License:Apache License

private void terminateSlaves(String[] args) {
    String clusterName = args[0];
    int nodes = Integer.parseInt(args[1]);
    HadoopCluster cluster = new HadoopCluster(clusterName, _config);
    TerminateInstancesResult tr = cluster.terminateSlaves(nodes);
    if (tr == null || tr.getTerminatingInstances().isEmpty()) {
        out.println("no instances terminated.");
        System.exit(0);/*from ww w.j a  v  a  2 s . c  om*/
    }
    out.println("Terminating " + tr.getTerminatingInstances().size() + " instances.");
    for (InstanceStateChange i : tr.getTerminatingInstances()) {
        out.println("\t" + i.getInstanceId() + " " + i.getPreviousState().getName() + "-> "
                + i.getCurrentState().getName());
    }
    out.println("Success.");
}

From source file:com.rmn.qa.aws.AwsVmManager.java

License:Open Source License

/**
 * Terminates the specified instance.//  w w  w .jav a 2 s . c  o m
 *
 * @param  instanceId  Id of the instance to terminate
 */
public boolean terminateInstance(final String instanceId) {
    TerminateInstancesRequest terminateRequest = new TerminateInstancesRequest();
    terminateRequest.withInstanceIds(instanceId);

    AmazonEC2Client localClient = getClient();
    if (localClient == null) {
        throw new RuntimeException("The client is not initialized");
    }
    TerminateInstancesResult result;
    try {
        result = localClient.terminateInstances(terminateRequest);
    } catch (AmazonServiceException ase) {
        // If the node was terminated outside of this plugin, handle the error appropriately
        if (ase.getErrorCode().equals("InvalidInstanceID.NotFound")) {
            log.error("Node not found when attempting to remove: " + instanceId);
            return false;
        } else {
            throw ase;
        }
    }
    List<InstanceStateChange> stateChanges = result.getTerminatingInstances();
    boolean terminatedInstance = false;
    for (InstanceStateChange stateChange : stateChanges) {
        if (instanceId.equals(stateChange.getInstanceId())) {
            terminatedInstance = true;

            InstanceState currentState = stateChange.getCurrentState();
            if (currentState.getCode() != 32 && currentState.getCode() != 48) {
                log.error(String.format(
                        "Machine state for id %s should be terminated (48) or shutting down (32) but was %s instead",
                        instanceId, currentState.getCode()));
                return false;
            }
        }
    }

    if (!terminatedInstance) {
        log.error("Matching terminated instance was not found for instance " + instanceId);
        return false;
    }

    log.info(String.format("Node [%s] successfully terminated", instanceId));
    return true;
}

From source file:de.fischer.thotti.ec2.clients.EC2Starter.java

License:Apache License

private void executeRequest(EC2RequestData<StartInstancesRequest> requestData)
        throws AWSCommunicationException {
    int requestID = 1;
    Map<String, SortedSet<Instance>> instances = new HashMap<String, SortedSet<Instance>>();
    List<Region> awsRegions = getAWSRegions();

    // @todo this should be a separate method
    for (Region region : awsRegions) {
        EC2RunnerContext context = new EC2RunnerContext();

        context.regionName = region.getRegionName();
        context.endPoint = region.getEndpoint();

        getRegionContextCache().put(context.regionName, context);
    }/*from   w  w  w.  ja v  a2 s .  c  om*/

    for (String regionName : requestData.getAllRegions()) {
        EC2RunnerContext ctx = getRegionContextCache().get(regionName);
        Comparator comparator = new EC2Executor.InstaceAvailabilityComparator();
        SortedSet<Instance> describedInstances = new TreeSet<Instance>(comparator);

        setRegionContext(ctx);
        switchCommunicationEndPoint();

        RegionRequests regionRequests = requestData.getRegion(regionName);
        List<StartInstancesRequest> runRequests = regionRequests.getRequests();

        for (StartInstancesRequest request : runRequests) {
            if (logger.isInfoEnabled()) {
                List<String> idList = request.getInstanceIds();

                for (String id : idList) {
                    logger.info(
                            "Going to start instance {} in " + "region {} ({}). Internal request ID is #{}.",
                            new Object[] { id, regionName, requestID });
                }
            }

            StartInstancesResult result = null;

            try {
                result = getClient().startInstances(request);
            } catch (AmazonServiceException ase) {
                handleAmazonServiceException(ase);
            } catch (AmazonClientException ace) {
                handleAmazonClientException(ace);
            }

            // @todo here we should check, if Amazon started all requested instances, Oliver Fischer, 15. June 2011
            if (logger.isInfoEnabled()) {
                for (InstanceStateChange stateChange : result.getStartingInstances()) {
                    logger.info("Amazon AWS changed state of instance {} from {} to {}",
                            new Object[] { stateChange.getInstanceId(), stateChange.getPreviousState(),
                                    stateChange.getCurrentState() });
                }

                requestID++; // For the next request

                instances.put(regionName, describedInstances);
            }
        }
    }
}

From source file:de.fischer.thotti.ec2.clients.EC2Stopper.java

License:Apache License

private void executeRequest(EC2RequestData<StopInstancesRequest> requestData) throws AWSCommunicationException {
    int requestID = 1;
    Map<String, SortedSet<Instance>> instances = new HashMap<String, SortedSet<Instance>>();
    List<Region> awsRegions = getAWSRegions();

    // @todo this should be a separate method
    for (Region region : awsRegions) {
        EC2RunnerContext context = new EC2RunnerContext();

        context.regionName = region.getRegionName();
        context.endPoint = region.getEndpoint();

        getRegionContextCache().put(context.regionName, context);
    }/*  w  ww .ja v  a 2  s .  c o m*/

    for (String regionName : requestData.getAllRegions()) {
        EC2RunnerContext ctx = getRegionContextCache().get(regionName);
        Comparator comparator = new EC2Executor.InstaceAvailabilityComparator();
        SortedSet<Instance> describedInstances = new TreeSet<Instance>(comparator);

        setRegionContext(ctx);
        switchCommunicationEndPoint();

        RegionRequests regionRequests = requestData.getRegion(regionName);
        List<StopInstancesRequest> runRequests = regionRequests.getRequests();

        for (StopInstancesRequest request : runRequests) {
            if (logger.isInfoEnabled()) {
                List<String> idList = request.getInstanceIds();

                for (String id : idList) {
                    logger.info("Going to stop instance {} in " + "region {} ({}). Internal request ID is #{}.",
                            new Object[] { id, regionName, requestID });
                }
            }

            StopInstancesResult result = null;

            try {
                result = getClient().stopInstances(request);
            } catch (AmazonServiceException ase) {
                handleAmazonServiceException(ase);
            } catch (AmazonClientException ace) {
                handleAmazonClientException(ace);
            }

            // @todo here we should check, if Amazon terminated all requested instances, Oliver Fischer, 15. June 2011
            if (logger.isInfoEnabled()) {
                for (InstanceStateChange stateChange : result.getStoppingInstances()) {

                    logger.info("Amazon AWS changed state of instance {} from {} to {}",
                            new Object[] { stateChange.getInstanceId(), stateChange.getPreviousState(),
                                    stateChange.getCurrentState() });
                }

                requestID++; // For the next request

                instances.put(regionName, describedInstances);
            }
        }
    }
}

From source file:de.fischer.thotti.ec2.clients.EC2Terminator.java

License:Apache License

private void executeRequest(EC2RequestData<TerminateInstancesRequest> requestData)
        throws AWSCommunicationException {
    int requestID = 1;
    Map<String, SortedSet<Instance>> instances = new HashMap<String, SortedSet<Instance>>();
    List<Region> awsRegions = getAWSRegions();

    // @todo this should be a separate method
    for (Region region : awsRegions) {
        EC2RunnerContext context = new EC2RunnerContext();

        context.regionName = region.getRegionName();
        context.endPoint = region.getEndpoint();

        getRegionContextCache().put(context.regionName, context);
    }/* w  w w. j  av a 2  s.co  m*/

    for (String regionName : requestData.getAllRegions()) {
        EC2RunnerContext ctx = getRegionContextCache().get(regionName);
        Comparator comparator = new EC2Executor.InstaceAvailabilityComparator();
        SortedSet<Instance> describedInstances = new TreeSet<Instance>(comparator);

        setRegionContext(ctx);
        switchCommunicationEndPoint();

        RegionRequests regionRequests = requestData.getRegion(regionName);
        List<TerminateInstancesRequest> runRequests = regionRequests.getRequests();

        for (TerminateInstancesRequest request : runRequests) {
            if (logger.isInfoEnabled()) {
                List<String> idList = request.getInstanceIds();

                for (String id : idList) {
                    logger.info(
                            "Going to request description of instance {} in "
                                    + "region {} ({}). Internal request ID is #{}.",
                            new Object[] { id, regionName, requestID });
                }
            }

            TerminateInstancesResult result = null;

            try {
                result = getClient().terminateInstances(request);
            } catch (AmazonServiceException ase) {
                handleAmazonServiceException(ase);
            } catch (AmazonClientException ace) {
                handleAmazonClientException(ace);
            }

            // @todo here we should check, if Amazon terminated all requested instances, Oliver Fischer, 15. June 2011
            if (logger.isInfoEnabled()) {
                for (InstanceStateChange stateChange : result.getTerminatingInstances()) {

                    logger.info("Amazon AWS changed state of instance {} from {} to {}",
                            new Object[] { stateChange.getInstanceId(), stateChange.getPreviousState(),
                                    stateChange.getCurrentState() });
                }

                requestID++; // For the next request

                instances.put(regionName, describedInstances);
            }
        }
    }
}

From source file:hu.mta.sztaki.lpds.cloud.entice.imageoptimizer.iaashandler.amazontarget.EC2VirtualMachine.java

License:Apache License

@Override
protected void terminateInstance() throws VMManagementException {
    try {//from  w  w  w  . j a  v a  2 s .c  o m
        int requests = reqCounter.decrementAndGet();
        if (requests < 0) {
            Shrinker.myLogger.severe("Terminating shrinking process, too much VM termination requests");
            Thread.dumpStack();
        }

        Shrinker.myLogger.info("Instance " + getInstanceId() + " received a terminate request");
        TerminateInstancesRequest terminateInstancesRequest = new TerminateInstancesRequest();
        terminateInstancesRequest.withInstanceIds(getInstanceIds());
        TerminateInstancesResult res = this.amazonEC2Client.terminateInstances(terminateInstancesRequest);
        Shrinker.myLogger.info("Terminate request dispatched for instance " + getInstanceId());

        List<InstanceStateChange> stateChanges = res.getTerminatingInstances();
        InstanceStateChange state = null;
        for (InstanceStateChange stateChange : stateChanges)
            if (getInstanceId().contains(stateChange.getInstanceId()))
                state = stateChange;
        if (state != null)
            Shrinker.myLogger.info("State of instance " + getInstanceId() + ": "
                    + state.getPreviousState().getName() + " -> " + state.getCurrentState().getName());
        else
            Shrinker.myLogger.info("null state for instance " + getInstanceId());

        // re-send terminate
        if (state == null || !TERMINATED_STATE.equals(state.getCurrentState().getName())) {
            int timeout = 0;
            int counter = 1;
            while (timeout < TERMINATE_TIMEOUT) {
                try {
                    Thread.sleep(5000);
                } catch (Exception x) {
                }
                Shrinker.myLogger.info("Re-sending (" + counter
                        + "x) terminate request dispatched for instance " + getInstanceId());
                try {
                    res = this.amazonEC2Client.terminateInstances(terminateInstancesRequest);
                    stateChanges = res.getTerminatingInstances();
                    for (InstanceStateChange stateChange : stateChanges)
                        if (getInstanceId().contains(stateChange.getInstanceId()))
                            state = stateChange;
                    if (state != null)
                        Shrinker.myLogger.info("State of instance " + getInstanceId() + ": "
                                + state.getPreviousState().getName() + " -> "
                                + state.getCurrentState().getName());
                    else
                        Shrinker.myLogger.info("null state for instance " + getInstanceId());
                } catch (AmazonServiceException x) { // terminated correctly
                    // it can happen that terminate seemingly didn't succeed for the first time (remains running), 
                    // but then the instance id is gone (correctly) so re-sending terminate will cause exception
                    if ("InvalidInstanceID.NotFound".equals(x.getErrorCode()))
                        break;
                    else
                        throw x;
                }
                if (state != null && TERMINATED_STATE.equals(state.getCurrentState().getName()))
                    break;
                timeout += 5000; // repeat every 5 second
                counter++;
            }

            if (timeout >= TERMINATE_TIMEOUT) {
                Shrinker.myLogger.info("ERROR: Cannot terminate instance: " + getInstanceId());
                System.exit(1);
            }
        }

    } catch (AmazonServiceException x) {
        Shrinker.myLogger.info("terminateInstance error: " + x.getMessage());
        throw new VMManagementException("terminateInstance exception", x);
    } catch (AmazonClientException x) {
        Shrinker.myLogger.info("terminateInstance error: " + x.getMessage());
        throw new VMManagementException("terminateInstance exception", x);
    }
    System.out.println("[T" + (Thread.currentThread().getId() % 100) + "] VM terminated: " + getInstanceId()
            + " " + this.ip + " (@" + new SimpleDateFormat("HH:mm:ss").format(Calendar.getInstance().getTime())
            + ")");
}