public async Task GivenConnectingToDestinationFails_WhenExecuted_ThenJobStatusShouldBeUpdatedToFailed()
{
// Setup export destination client.
string connectionFailure = "failedToConnectToDestination";
IExportDestinationClient mockExportDestinationClient = Substitute.For <IExportDestinationClient>();
mockExportDestinationClient.ConnectAsync(Arg.Any <string>(), Arg.Any <CancellationToken>(), Arg.Any <string>())
.Returns <Task>(x => throw new DestinationConnectionException(connectionFailure, HttpStatusCode.BadRequest));
_exportDestinationClientFactory.Create("in-memory").Returns(mockExportDestinationClient);
var exportJobTask = new ExportJobTask(
() => _fhirOperationDataStore.CreateMockScope(),
_secretStore,
Options.Create(_exportJobConfiguration),
() => _searchService.CreateMockScope(),
_resourceToByteArraySerializer,
_exportDestinationClientFactory,
NullLogger <ExportJobTask> .Instance);
await exportJobTask.ExecuteAsync(_exportJobRecord, _weakETag, _cancellationToken);
Assert.NotNull(_lastExportJobOutcome);
Assert.Equal(OperationStatus.Failed, _lastExportJobOutcome.JobRecord.Status);
Assert.Equal(connectionFailure, _lastExportJobOutcome.JobRecord.FailureDetails.FailureReason);
Assert.Equal(HttpStatusCode.BadRequest, _lastExportJobOutcome.JobRecord.FailureDetails.FailureStatusCode);
}
// Get destination info from secret store, create appropriate export client and connect to destination.
private async Task GetDestinationInfoAndConnectAsync(CancellationToken cancellationToken)
{
SecretWrapper secret = await _secretStore.GetSecretAsync(_exportJobRecord.SecretName, cancellationToken);
DestinationInfo destinationInfo = JsonConvert.DeserializeObject <DestinationInfo>(secret.SecretValue);
_exportDestinationClient = _exportDestinationClientFactory.Create(destinationInfo.DestinationType);
await _exportDestinationClient.ConnectAsync(destinationInfo.DestinationConnectionString, cancellationToken, _exportJobRecord.Id);
}
public async Task GivenStorageAccountUriChanged_WhenExecuted_ThenRecordsAreSentToOldStorageAccount()
{
var exportJobRecordWithChangedConnection = new ExportJobRecord(
new Uri("https://localhost/ExportJob/"),
"Patient",
"hash",
since: PartialDateTime.MinValue,
storageAccountConnectionHash: Microsoft.Health.Core.Extensions.StringExtensions.ComputeHash(_exportJobConfiguration.StorageAccountConnection),
storageAccountUri: "origionalUri");
SetupExportJobRecordAndOperationDataStore(exportJobRecordWithChangedConnection);
ExportJobConfiguration configurationWithUri = new ExportJobConfiguration();
configurationWithUri.StorageAccountUri = "newUri";
IExportDestinationClient mockDestinationClient = Substitute.For <IExportDestinationClient>();
ExportJobConfiguration capturedConfiguration = null;
mockDestinationClient.ConnectAsync(
Arg.Do <ExportJobConfiguration>(arg => capturedConfiguration = arg),
Arg.Any <CancellationToken>(),
Arg.Any <string>())
.Returns(x =>
{
return(Task.CompletedTask);
});
var exportJobTask = new ExportJobTask(
() => _fhirOperationDataStore.CreateMockScope(),
Options.Create(_exportJobConfiguration),
() => _searchService.CreateMockScope(),
_resourceToByteArraySerializer,
mockDestinationClient,
NullLogger <ExportJobTask> .Instance);
await exportJobTask.ExecuteAsync(_exportJobRecord, _weakETag, _cancellationToken);
Assert.Equal(exportJobRecordWithChangedConnection.StorageAccountUri, capturedConfiguration.StorageAccountUri);
}
/// <inheritdoc />
public async Task ExecuteAsync(ExportJobRecord exportJobRecord, WeakETag weakETag, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(exportJobRecord, nameof(exportJobRecord));
_exportJobRecord = exportJobRecord;
_weakETag = weakETag;
try
{
ExportJobConfiguration exportJobConfiguration = _exportJobConfiguration;
string connectionHash = string.IsNullOrEmpty(_exportJobConfiguration.StorageAccountConnection) ?
string.Empty :
Microsoft.Health.Core.Extensions.StringExtensions.ComputeHash(_exportJobConfiguration.StorageAccountConnection);
if (string.IsNullOrEmpty(exportJobRecord.StorageAccountUri))
{
if (!string.Equals(exportJobRecord.StorageAccountConnectionHash, connectionHash, StringComparison.Ordinal))
{
throw new DestinationConnectionException("Storage account connection string was updated during an export job.", HttpStatusCode.BadRequest);
}
}
else
{
exportJobConfiguration = new ExportJobConfiguration();
exportJobConfiguration.Enabled = _exportJobConfiguration.Enabled;
exportJobConfiguration.StorageAccountUri = exportJobRecord.StorageAccountUri;
}
// Connect to export destination using appropriate client.
await _exportDestinationClient.ConnectAsync(exportJobConfiguration, cancellationToken, _exportJobRecord.Id);
// If we are resuming a job, we can detect that by checking the progress info from the job record.
// If it is null, then we know we are processing a new job.
if (_exportJobRecord.Progress == null)
{
_exportJobRecord.Progress = new ExportJobProgress(continuationToken: null, page: 0);
}
// The intial list of query parameters will not have a continutation token. We will add that later if we get one back
// from the search result.
var queryParametersList = new List <Tuple <string, string> >()
{
Tuple.Create(KnownQueryParameterNames.Count, _exportJobRecord.MaximumNumberOfResourcesPerQuery.ToString(CultureInfo.InvariantCulture)),
Tuple.Create(KnownQueryParameterNames.LastUpdated, $"le{_exportJobRecord.QueuedTime.ToString("o", CultureInfo.InvariantCulture)}"),
};
if (_exportJobRecord.Since != null)
{
queryParametersList.Add(Tuple.Create(KnownQueryParameterNames.LastUpdated, $"ge{_exportJobRecord.Since}"));
}
ExportJobProgress progress = _exportJobRecord.Progress;
await RunExportSearch(exportJobConfiguration, progress, queryParametersList, cancellationToken);
await CompleteJobAsync(OperationStatus.Completed, cancellationToken);
_logger.LogTrace("Successfully completed the job.");
}
catch (JobConflictException)
{
// The export job was updated externally. There might be some additional resources that were exported
// but we will not be updating the job record.
_logger.LogTrace("The job was updated by another process.");
}
catch (DestinationConnectionException dce)
{
_logger.LogError(dce, "Can't connect to destination. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(dce.Message, dce.StatusCode);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (ResourceNotFoundException rnfe)
{
_logger.LogError(rnfe, "Can't find specified resource. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(rnfe.Message, HttpStatusCode.BadRequest);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (Exception ex)
{
// The job has encountered an error it cannot recover from.
// Try to update the job to failed state.
_logger.LogError(ex, "Encountered an unhandled exception. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(Resources.UnknownError, HttpStatusCode.InternalServerError);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
}
/// <inheritdoc />
public async Task ExecuteAsync(ExportJobRecord exportJobRecord, WeakETag weakETag, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(exportJobRecord, nameof(exportJobRecord));
_exportJobRecord = exportJobRecord;
_weakETag = weakETag;
_fileManager = new ExportFileManager(_exportJobRecord, _exportDestinationClient);
var existingFhirRequestContext = _contextAccessor.FhirRequestContext;
try
{
ExportJobConfiguration exportJobConfiguration = _exportJobConfiguration;
// Add a request context so that bundle issues can be added by the SearchOptionFactory
var fhirRequestContext = new FhirRequestContext(
method: "Export",
uriString: "$export",
baseUriString: "$export",
correlationId: _exportJobRecord.Id,
requestHeaders: new Dictionary <string, StringValues>(),
responseHeaders: new Dictionary <string, StringValues>())
{
IsBackgroundTask = true,
};
_contextAccessor.FhirRequestContext = fhirRequestContext;
string connectionHash = string.IsNullOrEmpty(_exportJobConfiguration.StorageAccountConnection) ?
string.Empty :
Health.Core.Extensions.StringExtensions.ComputeHash(_exportJobConfiguration.StorageAccountConnection);
if (string.IsNullOrEmpty(exportJobRecord.StorageAccountUri))
{
if (!string.Equals(exportJobRecord.StorageAccountConnectionHash, connectionHash, StringComparison.Ordinal))
{
throw new DestinationConnectionException("Storage account connection string was updated during an export job.", HttpStatusCode.BadRequest);
}
}
else
{
exportJobConfiguration = new ExportJobConfiguration();
exportJobConfiguration.Enabled = _exportJobConfiguration.Enabled;
exportJobConfiguration.StorageAccountUri = exportJobRecord.StorageAccountUri;
}
if (_exportJobRecord.Filters != null &&
_exportJobRecord.Filters.Count > 0 &&
string.IsNullOrEmpty(_exportJobRecord.ResourceType))
{
throw new BadRequestException(Resources.TypeFilterWithoutTypeIsUnsupported);
}
// Connect to export destination using appropriate client.
await _exportDestinationClient.ConnectAsync(exportJobConfiguration, cancellationToken, _exportJobRecord.StorageAccountContainerName);
// If we are resuming a job, we can detect that by checking the progress info from the job record.
// If it is null, then we know we are processing a new job.
if (_exportJobRecord.Progress == null)
{
_exportJobRecord.Progress = new ExportJobProgress(continuationToken: null, page: 0);
}
// The intial list of query parameters will not have a continutation token. We will add that later if we get one back
// from the search result.
var queryParametersList = new List <Tuple <string, string> >()
{
Tuple.Create(KnownQueryParameterNames.Count, _exportJobRecord.MaximumNumberOfResourcesPerQuery.ToString(CultureInfo.InvariantCulture)),
Tuple.Create(KnownQueryParameterNames.LastUpdated, $"le{_exportJobRecord.QueuedTime.ToString("o", CultureInfo.InvariantCulture)}"),
};
if (_exportJobRecord.Since != null)
{
queryParametersList.Add(Tuple.Create(KnownQueryParameterNames.LastUpdated, $"ge{_exportJobRecord.Since}"));
}
ExportJobProgress progress = _exportJobRecord.Progress;
await RunExportSearch(exportJobConfiguration, progress, queryParametersList, cancellationToken);
await CompleteJobAsync(OperationStatus.Completed, cancellationToken);
_logger.LogTrace("Successfully completed the job.");
}
catch (JobConflictException)
{
// The export job was updated externally. There might be some additional resources that were exported
// but we will not be updating the job record.
_logger.LogTrace("The job was updated by another process.");
}
catch (DestinationConnectionException dce)
{
_logger.LogError(dce, "Can't connect to destination. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(dce.Message, dce.StatusCode);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (ResourceNotFoundException rnfe)
{
_logger.LogError(rnfe, "Can't find specified resource. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(rnfe.Message, HttpStatusCode.BadRequest);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (FailedToParseAnonymizationConfigurationException ex)
{
_logger.LogError(ex, "Failed to parse anonymization configuration. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(ex.Message, HttpStatusCode.BadRequest);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (AnonymizationConfigurationNotFoundException ex)
{
_logger.LogError(ex, "Cannot found anonymization configuration. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(ex.Message, HttpStatusCode.BadRequest);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (AnonymizationConfigurationFetchException ex)
{
_logger.LogError(ex, "Failed to fetch anonymization configuration file. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(ex.Message, HttpStatusCode.BadRequest);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (Exception ex)
{
// The job has encountered an error it cannot recover from.
// Try to update the job to failed state.
_logger.LogError(ex, "Encountered an unhandled exception. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(Resources.UnknownError, HttpStatusCode.InternalServerError);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
finally
{
_contextAccessor.FhirRequestContext = existingFhirRequestContext;
}
}
/// <inheritdoc />
public async Task ExecuteAsync(ExportJobRecord exportJobRecord, WeakETag weakETag, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(exportJobRecord, nameof(exportJobRecord));
_exportJobRecord = exportJobRecord;
_weakETag = weakETag;
try
{
ExportJobConfiguration exportJobConfiguration = _exportJobConfiguration;
string connectionHash = string.IsNullOrEmpty(_exportJobConfiguration.StorageAccountConnection) ?
string.Empty :
Microsoft.Health.Core.Extensions.StringExtensions.ComputeHash(_exportJobConfiguration.StorageAccountConnection);
if (string.IsNullOrEmpty(exportJobRecord.StorageAccountUri))
{
if (!string.Equals(exportJobRecord.StorageAccountConnectionHash, connectionHash, StringComparison.Ordinal))
{
throw new DestinationConnectionException("Storage account connection string was updated during an export job.", HttpStatusCode.BadRequest);
}
}
else
{
exportJobConfiguration = new ExportJobConfiguration();
exportJobConfiguration.Enabled = _exportJobConfiguration.Enabled;
exportJobConfiguration.StorageAccountUri = exportJobRecord.StorageAccountUri;
}
// Connect to export destination using appropriate client.
await _exportDestinationClient.ConnectAsync(exportJobConfiguration, cancellationToken, _exportJobRecord.Id);
// If we are resuming a job, we can detect that by checking the progress info from the job record.
// If it is null, then we know we are processing a new job.
if (_exportJobRecord.Progress == null)
{
_exportJobRecord.Progress = new ExportJobProgress(continuationToken: null, page: 0);
}
ExportJobProgress progress = _exportJobRecord.Progress;
// Current batch will be used to organize a set of search results into a group so that they can be committed together.
uint currentBatchId = progress.Page;
// The intial list of query parameters will not have a continutation token. We will add that later if we get one back
// from the search result.
var queryParametersList = new List <Tuple <string, string> >()
{
Tuple.Create(KnownQueryParameterNames.Count, _exportJobConfiguration.MaximumNumberOfResourcesPerQuery.ToString(CultureInfo.InvariantCulture)),
Tuple.Create(KnownQueryParameterNames.LastUpdated, $"le{_exportJobRecord.QueuedTime.ToString("o", CultureInfo.InvariantCulture)}"),
};
if (_exportJobRecord.Since != null)
{
queryParametersList.Add(Tuple.Create(KnownQueryParameterNames.LastUpdated, $"ge{_exportJobRecord.Since}"));
}
// Process the export if:
// 1. There is continuation token, which means there is more resource to be exported.
// 2. There is no continuation token but the page is 0, which means it's the initial export.
while (progress.ContinuationToken != null || progress.Page == 0)
{
SearchResult searchResult;
// Search and process the results.
using (IScoped <ISearchService> searchService = _searchServiceFactory())
{
searchResult = await searchService.Value.SearchAsync(
_exportJobRecord.ResourceType,
queryParametersList,
cancellationToken);
}
await ProcessSearchResultsAsync(searchResult.Results, currentBatchId, cancellationToken);
if (searchResult.ContinuationToken == null)
{
// No more continuation token, we are done.
break;
}
// Update the continuation token in local cache and queryParams.
// We will add or udpate the continuation token to the end of the query parameters list.
progress.UpdateContinuationToken(searchResult.ContinuationToken);
if (queryParametersList[queryParametersList.Count - 1].Item1 == KnownQueryParameterNames.ContinuationToken)
{
queryParametersList[queryParametersList.Count - 1] = Tuple.Create(KnownQueryParameterNames.ContinuationToken, progress.ContinuationToken);
}
else
{
queryParametersList.Add(Tuple.Create(KnownQueryParameterNames.ContinuationToken, progress.ContinuationToken));
}
if (progress.Page % _exportJobConfiguration.NumberOfPagesPerCommit == 0)
{
// Commit the changes.
await _exportDestinationClient.CommitAsync(exportJobConfiguration, cancellationToken);
// Update the job record.
await UpdateJobRecordAsync(cancellationToken);
currentBatchId = progress.Page;
}
}
// Commit one last time for any pending changes.
await _exportDestinationClient.CommitAsync(exportJobConfiguration, cancellationToken);
await CompleteJobAsync(OperationStatus.Completed, cancellationToken);
_logger.LogTrace("Successfully completed the job.");
}
catch (JobConflictException)
{
// The export job was updated externally. There might be some additional resources that were exported
// but we will not be updating the job record.
_logger.LogTrace("The job was updated by another process.");
}
catch (DestinationConnectionException dce)
{
_logger.LogError(dce, "Can't connect to destination. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(dce.Message, dce.StatusCode);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (Exception ex)
{
// The job has encountered an error it cannot recover from.
// Try to update the job to failed state.
_logger.LogError(ex, "Encountered an unhandled exception. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new JobFailureDetails(Resources.UnknownError, HttpStatusCode.InternalServerError);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
}
/// <inheritdoc />
public async Task ExecuteAsync(ExportJobRecord exportJobRecord, WeakETag weakETag, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(exportJobRecord, nameof(exportJobRecord));
_exportJobRecord = exportJobRecord;
_weakETag = weakETag;
try
{
// Get destination type from secret store.
DestinationInfo destinationInfo = await GetDestinationInfo(cancellationToken);
// Connect to the destination using appropriate client.
_exportDestinationClient = _exportDestinationClientFactory.Create(destinationInfo.DestinationType);
await _exportDestinationClient.ConnectAsync(destinationInfo.DestinationConnectionString, cancellationToken, _exportJobRecord.Id);
// TODO: For now, always restart from the beginning. We will support resume in another work item.
_exportJobRecord.Progress = new ExportJobProgress(continuationToken: null, page: 0);
ExportJobProgress progress = _exportJobRecord.Progress;
// Current page will be used to organize a set of search results into a group so that they can be committed together.
uint currentBatchId = progress.Page;
// The first item is placeholder for continuation token so that it can be updated efficiently later.
var queryParameters = new Tuple <string, string>[]
{
null,
Tuple.Create(KnownQueryParameterNames.Count, _exportJobConfiguration.MaximumNumberOfResourcesPerQuery.ToString(CultureInfo.InvariantCulture)),
Tuple.Create(KnownQueryParameterNames.LastUpdated, $"le{_exportJobRecord.QueuedTime.ToString("o", CultureInfo.InvariantCulture)}"),
};
// Process the export if:
// 1. There is continuation token, which means there is more resource to be exported.
// 2. There is no continuation token but the page is 0, which means it's the initial export.
while (progress.ContinuationToken != null || progress.Page == 0)
{
// Commit the changes if necessary.
if (progress.Page != 0 && progress.Page % _exportJobConfiguration.NumberOfPagesPerCommit == 0)
{
await _exportDestinationClient.CommitAsync(cancellationToken);
// Update the job record.
await UpdateJobRecord(_exportJobRecord, cancellationToken);
currentBatchId = progress.Page;
}
// Set the continuation token.
queryParameters[0] = Tuple.Create(KnownQueryParameterNames.ContinuationToken, progress.ContinuationToken);
SearchResult searchResult = await _searchService.SearchAsync(_exportJobRecord.ResourceType, queryParameters, cancellationToken);
foreach (ResourceWrapper resourceWrapper in searchResult.Results)
{
await ProcessResourceWrapperAsync(resourceWrapper, currentBatchId, cancellationToken);
}
if (searchResult.ContinuationToken == null)
{
// No more continuation token, we are done.
break;
}
// Update the job record.
progress.UpdateContinuationToken(searchResult.ContinuationToken);
}
// Commit one last time for any pending changes.
await _exportDestinationClient.CommitAsync(cancellationToken);
_exportJobRecord.Output.AddRange(_resourceTypeToFileInfoMapping.Values);
_logger.LogTrace("Successfully completed the job.");
await UpdateJobStatus(OperationStatus.Completed, updateEndTimestamp : true, cancellationToken);
try
{
// Best effort to delete the secret. If it fails to delete, then move on.
await _secretStore.DeleteSecretAsync(_exportJobRecord.SecretName, cancellationToken);
}
catch (Exception ex)
{
_logger.LogWarning(ex, "Failed to delete the secret.");
}
}
catch (JobConflictException)
{
// The job was updated by another process.
_logger.LogWarning("The job was updated by another process.");
// TODO: We will want to get the latest and merge the results without updating the status.
return;
}
catch (Exception ex)
{
// The job has encountered an error it cannot recover from.
// Try to update the job to failed state.
_logger.LogError(ex, "Encountered an unhandled exception. The job will be marked as failed.");
await UpdateJobStatus(OperationStatus.Failed, updateEndTimestamp : true, cancellationToken);
}
}
/// <inheritdoc />
public async Task ExecuteAsync(ExportJobRecord exportJobRecord, WeakETag weakETag, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(exportJobRecord, nameof(exportJobRecord));
_exportJobRecord = exportJobRecord;
_weakETag = weakETag;
try
{
// Connect to export destination using appropriate client.
await _exportDestinationClient.ConnectAsync(cancellationToken, _exportJobRecord.Id);
// If we are resuming a job, we can detect that by checking the progress info from the job record.
// If it is null, then we know we are processing a new job.
if (_exportJobRecord.Progress == null)
{
_exportJobRecord.Progress = new ExportJobProgress(continuationToken: null, page: 0);
}
ExportJobProgress progress = _exportJobRecord.Progress;
// Current batch will be used to organize a set of search results into a group so that they can be committed together.
uint currentBatchId = progress.Page;
// The first item is placeholder for continuation token so that it can be updated efficiently later.
var queryParameters = new Tuple <string, string>[]
{
Tuple.Create(KnownQueryParameterNames.ContinuationToken, progress.ContinuationToken),
Tuple.Create(KnownQueryParameterNames.Count, _exportJobConfiguration.MaximumNumberOfResourcesPerQuery.ToString(CultureInfo.InvariantCulture)),
Tuple.Create(KnownQueryParameterNames.LastUpdated, $"le{_exportJobRecord.QueuedTime.ToString("o", CultureInfo.InvariantCulture)}"),
};
// Process the export if:
// 1. There is continuation token, which means there is more resource to be exported.
// 2. There is no continuation token but the page is 0, which means it's the initial export.
while (progress.ContinuationToken != null || progress.Page == 0)
{
SearchResult searchResult;
// Search and process the results.
using (IScoped <ISearchService> searchService = _searchServiceFactory())
{
// If the continuation token is null, then we will exclude it. Calculate the offset and count to be passed in.
int offset = queryParameters[0].Item2 == null ? 1 : 0;
searchResult = await searchService.Value.SearchAsync(
_exportJobRecord.ResourceType,
new ArraySegment <Tuple <string, string> >(queryParameters, offset, queryParameters.Length - offset),
cancellationToken);
}
await ProcessSearchResultsAsync(searchResult.Results, currentBatchId, cancellationToken);
if (searchResult.ContinuationToken == null)
{
// No more continuation token, we are done.
break;
}
// Update the continuation token (local cache).
progress.UpdateContinuationToken(searchResult.ContinuationToken);
queryParameters[0] = Tuple.Create(KnownQueryParameterNames.ContinuationToken, progress.ContinuationToken);
if (progress.Page % _exportJobConfiguration.NumberOfPagesPerCommit == 0)
{
// Commit the changes.
await _exportDestinationClient.CommitAsync(cancellationToken);
// Update the job record.
await UpdateJobRecordAsync(cancellationToken);
currentBatchId = progress.Page;
}
}
// Commit one last time for any pending changes.
await _exportDestinationClient.CommitAsync(cancellationToken);
await CompleteJobAsync(OperationStatus.Completed, cancellationToken);
_logger.LogTrace("Successfully completed the job.");
}
catch (JobConflictException)
{
// The export job was updated externally. There might be some additional resources that were exported
// but we will not be updating the job record.
_logger.LogTrace("The job was updated by another process.");
}
catch (DestinationConnectionException dce)
{
_logger.LogError(dce, "Can't connect to destination. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new ExportJobFailureDetails(dce.Message, dce.StatusCode);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
catch (Exception ex)
{
// The job has encountered an error it cannot recover from.
// Try to update the job to failed state.
_logger.LogError(ex, "Encountered an unhandled exception. The job will be marked as failed.");
_exportJobRecord.FailureDetails = new ExportJobFailureDetails(Resources.UnknownError, HttpStatusCode.InternalServerError);
await CompleteJobAsync(OperationStatus.Failed, cancellationToken);
}
}