Examples with OperationContext com.vmware.xenon.common.OperationContext used on opensource projects

Example 11 with OperationContext

use of com.vmware.xenon.common.OperationContext in project photon-model by vmware.

the class VSphereIOThreadPool method executeCallback.

private void executeCallback(BasicConnection connection, ConnectionCallback callback) {
    OperationContext opContext = OperationContext.getOperationContext();
    this.executorService.submit(() -> {
        OperationContext.restoreOperationContext(opContext);
        try {
            // login and session creation
            connection.connect();
        } catch (ConnectionException e) {
            callback.doInConnection(null, e);
            return;
        }
        try {
            callback.doInConnection(connection, null);
        } catch (Exception e) {
            logger.log(Level.SEVERE, "Uncaught exception in vSphere IO Pool: " + Utils.toString(e));
        } finally {
            closeQuietly(connection);
        }
    });
}

Example 12 with OperationContext

use of com.vmware.xenon.common.OperationContext in project photon-model by vmware.

the class VsphereEnumerationHelper method submitWorkToVSpherePool.

static void submitWorkToVSpherePool(VSphereIncrementalEnumerationService service, Runnable work) {
    // store context at the moment of submission
    OperationContext orig = OperationContext.getOperationContext();
    VSphereIOThreadPool pool = VSphereIOThreadPoolAllocator.getPool(service);
    pool.submit(() -> {
        OperationContext old = OperationContext.getOperationContext();
        OperationContext.setFrom(orig);
        try {
            work.run();
        } finally {
            OperationContext.restoreOperationContext(old);
        }
    });
}

Example 13 with OperationContext

use of com.vmware.xenon.common.OperationContext in project photon-model by vmware.

the class AWSEnumerationAndDeletionAdapterService method validateClient.

/**
 * Method to validate an EC2 Client
 */
private void validateClient(EnumerationDeletionContext aws, AWSEnumerationDeletionStages next) {
    OperationContext opContext = OperationContext.getOperationContext();
    AWSUtils.validateCredentials(aws.amazonEC2Client, this.clientManager, aws.endpointAuth, aws.request, this, (describeAvailabilityZonesResult) -> {
        OperationContext.restoreOperationContext(opContext);
        aws.stage = next;
        handleEnumerationRequestForDeletion(aws);
    }, t -> {
        OperationContext.restoreOperationContext(opContext);
        aws.error = t;
        aws.stage = AWSEnumerationDeletionStages.ERROR;
        handleEnumerationRequestForDeletion(aws);
    }, // onUnaccessible: the region is not accessible so complete the enum Op
    () -> {
        OperationContext.restoreOperationContext(opContext);
        aws.operation.complete();
    });
}

Example 14 with OperationContext

use of com.vmware.xenon.common.OperationContext in project photon-model by vmware.

the class AWSPowerService method powerOff.

private void powerOff(AmazonEC2AsyncClient client, ComputePowerRequest pr, DefaultAdapterContext c) {
    OperationContext opContext = OperationContext.getOperationContext();
    StopInstancesRequest request = new StopInstancesRequest();
    request.withInstanceIds(c.child.id);
    client.stopInstancesAsync(request, new AsyncHandler<StopInstancesRequest, StopInstancesResult>() {

        @Override
        public void onSuccess(StopInstancesRequest request, StopInstancesResult result) {
            AWSUtils.waitForTransitionCompletion(getHost(), result.getStoppingInstances(), "stopped", client, (is, e) -> {
                OperationContext.restoreOperationContext(opContext);
                if (e != null) {
                    onError(e);
                    return;
                }
                updateComputeState(pr, c);
            });
        }

        @Override
        public void onError(Exception e) {
            OperationContext.restoreOperationContext(opContext);
            c.taskManager.patchTaskToFailure(e);
        }
    });
}

Example 15 with OperationContext

use of com.vmware.xenon.common.OperationContext in project photon-model by vmware.

the class AWSS3StorageEnumerationAdapterService method enumerateTags.

/**
 * Calls getBucketTaggingConfiguration() on every bucket to enumerate bucket tags.
 * getBucketTaggingConfiguration() method is region aware and only returns valid results when we
 * call it with the client region same as the S3 bucket region. Since S3 bucket region is not
 * available through API, when a new bucket is discovered, we try to get tags for it by calling
 * getBucketTaggingConfiguration() with client in every AWS region. We then store the client region
 * for which we received successful response as region in DiskState for that S3 bucket. This region
 * in DiskState is then used for any subsequent calls for enumerating tags.
 */
private void enumerateTags(S3StorageEnumerationContext aws, S3StorageEnumerationSubStage next) {
    OperationContext operationContext = OperationContext.getOperationContext();
    this.executorService.submit(() -> {
        OperationContext.restoreOperationContext(operationContext);
        List<DeferredResult<S3ClientHandler>> s3ClientsEnumeratePreviousBuckets = new ArrayList<>();
        // Get a client for that region and make a call to enumerate tags.
        for (Map.Entry<String, DiskState> entry : aws.diskStatesToBeUpdatedByBucketName.entrySet()) {
            // with valid region in subsequent enumeration runs.
            if (entry.getValue().regionId != null) {
                aws.regionsByBucketName.put(entry.getValue().id, entry.getValue().regionId);
            } else {
                logWarning("Null region found in S3 diskState");
                Operation.createDelete(aws.service.getHost(), entry.getValue().documentSelfLink).setReferer(aws.service.getUri()).setBody(getDeletionState(Utils.getNowMicrosUtc())).setCompletion((o, e) -> {
                    if (e != null) {
                        logWarning("Exception deleting diskState with null " + "region [ex=%s]", e.getMessage());
                        return;
                    }
                    logWarning("Deleted diskState with null region [diskState=%s]", Utils.toJsonHtml(entry.getValue()));
                }).sendWith(aws.service);
                continue;
            }
            s3ClientsEnumeratePreviousBuckets.add(aws.clientManager.getOrCreateS3ClientAsync(aws.endpointAuth, entry.getValue().regionId, aws.service).thenApply(s3Client -> {
                S3ClientHandler s3ClientHandler = new S3ClientHandler();
                s3ClientHandler.s3Client = s3Client;
                s3ClientHandler.bucketName = entry.getKey();
                s3ClientHandler.diskState = entry.getValue();
                return s3ClientHandler;
            }));
        }
        // Handler to enumerate new buckets not previously enumerated.
        BiConsumer<List<S3ClientHandler>, Throwable> enumerateNewBuckets = (s3ClientHandlers, throwable) -> {
            OperationContext.restoreOperationContext(operationContext);
            for (Bucket bucket : aws.bucketsToBeCreated) {
                for (S3ClientHandler s3ClientHandler : s3ClientHandlers) {
                    try {
                        BucketTaggingConfiguration bucketTaggingConfiguration = s3ClientHandler.s3Client.getBucketTaggingConfiguration(bucket.getName());
                        aws.regionsByBucketName.put(bucket.getName(), s3ClientHandler.region.getName());
                        if (bucketTaggingConfiguration != null) {
                            aws.tagsByBucketName.put(bucket.getName(), new ConcurrentHashMap<>());
                            bucketTaggingConfiguration.getAllTagSets().forEach(tagSet -> aws.tagsByBucketName.get(bucket.getName()).putAll(tagSet.getAllTags()));
                        }
                        break;
                    } catch (Exception e) {
                        // getbucketTaggingConfiguration().
                        if (e instanceof AmazonS3Exception && (((AmazonS3Exception) e).getStatusCode() == Operation.STATUS_CODE_MOVED_PERM || ((AmazonS3Exception) e).getStatusCode() == Operation.STATUS_CODE_FORBIDDEN || ((AmazonS3Exception) e).getStatusCode() == Operation.STATUS_CODE_BAD_REQUEST)) {
                            continue;
                        } else {
                            logSevere("Exception enumerating tags for S3 bucket with unknown region " + "[endpoint=%s] [region=%s] [ex=%s]", aws.request.original.endpointLink, s3ClientHandler.region.getName(), e.getMessage());
                            continue;
                        }
                    }
                }
            }
            // Once completed, move to next stage.
            aws.subStage = next;
            handleReceivedEnumerationData(aws);
        };
        // Handler to enumerate tags for buckets already previously enumerated.
        BiConsumer<List<S3ClientHandler>, Throwable> enumeratePreviousBuckets = (s3ClientHandlers, ignored) -> {
            OperationContext.restoreOperationContext(operationContext);
            for (S3ClientHandler s3ClientHandler : s3ClientHandlers) {
                try {
                    BucketTaggingConfiguration bucketTaggingConfiguration = s3ClientHandler.s3Client.getBucketTaggingConfiguration(s3ClientHandler.bucketName);
                    if (bucketTaggingConfiguration != null) {
                        aws.tagsByBucketName.put(s3ClientHandler.bucketName, new ConcurrentHashMap<>());
                        bucketTaggingConfiguration.getAllTagSets().forEach(tagSet -> aws.tagsByBucketName.get(s3ClientHandler.bucketName).putAll(tagSet.getAllTags()));
                    }
                } catch (Exception e) {
                    logSevere("Exception enumerating tags for S3 bucket with known region " + "[endpoint=%s] [bucketName=%s - %s] [region=%s] [ex=%s]", aws.request.original.endpointLink, s3ClientHandler.bucketName, s3ClientHandler.diskState.id, s3ClientHandler.diskState.regionId, e.getMessage());
                }
            }
            // For remaining buckets, they have yet to be enumerated. Brute force and try to
            // enumerate tags for these buckets over every region until we find the correct
            // region and then store it in DiskState for future reference.
            List<DeferredResult<S3ClientHandler>> s3ClientBucketsToEnumerate = new ArrayList<>();
            for (Regions region : Regions.values()) {
                // Get an s3 client in the region asynchronously. Once all completed, these
                // clients will be used to test each bucket.
                s3ClientBucketsToEnumerate.add(aws.clientManager.getOrCreateS3ClientAsync(aws.endpointAuth, region.getName(), aws.service).thenApply(s3Client -> {
                    S3ClientHandler s3ClientHandler = new S3ClientHandler();
                    s3ClientHandler.s3Client = s3Client;
                    s3ClientHandler.region = region;
                    return s3ClientHandler;
                }));
            }
            // Once finished, attempt to enumerate each of the "new" buckets.
            DeferredResult.allOf(s3ClientBucketsToEnumerate).whenComplete(enumerateNewBuckets);
        };
        // Enumerate tags of previously enumerated buckets first
        DeferredResult.allOf(s3ClientsEnumeratePreviousBuckets).whenComplete(enumeratePreviousBuckets);
    });
}