private static void Dispose()
{
Log.LogMessage("Cleaning up...");
if (_context != null)
{
_context.Dispose();
_context = null;
}
if (_csvWriter != null)
{
_csvWriter.Dispose();
_csvWriter = null;
}
if (_log != null)
{
_log.Dispose();
_log = null;
}
if (_cursor != null)
{
_cursor.Dispose();
_cursor = null;
}
if (_httpClient != null)
{
_httpClient.Dispose();
_httpClient = null;
}
}
private async Task CommitBatch(EntitiesContext context, FileCursor cursor, Logger logger, DateTime?cursorTime)
{
logger.Log("Committing batch...");
var count = await context.SaveChangesAsync();
if (cursorTime.HasValue)
{
await cursor.Write(cursorTime.Value);
}
logger.Log($"{count} packages saved.");
}
private static void Initialize(string metadataFileName, string connectionString)
{
var metadataFileReader = new StreamReader(metadataFileName);
var configuration = new CsvHelper.Configuration.Configuration()
{
HasHeaderRecord = false
};
configuration.RegisterClassMap <RepositoryMetadataLogMap>();
_csvReader = new CsvReader(metadataFileReader, configuration);
_context = new EntitiesContext(connectionString, readOnly: false);
_cursor = new FileCursor(CursorFileName);
_log = new Log(ErrorsFileName);
}
private static async Task Initialize(string connectionString, Uri serviceDiscoveryUri)
{
Log.LogMessage("Initializing");
_context = new EntitiesContext(connectionString, readOnly: true);
var metadataFileStreamWriter = new StreamWriter(RepositoryMetadataFileName, append: true);
metadataFileStreamWriter.AutoFlush = true;
metadataFileStreamWriter.BaseStream.Seek(0, SeekOrigin.End);
_csvWriter = new CsvWriter(metadataFileStreamWriter);
_log = new Log(ErrorsFileName);
_cursor = new FileCursor(CursorFileName);
_httpClient = new HttpClient();
_flatContainerUri = await GetFlatContainerUriAsync(serviceDiscoveryUri);
}
public async override Task Run()
{
var token = new CancellationToken();
try
{
var regionInformations = _configuration.RegionInformations;
var instances = new List <Instance>();
foreach (var regionInformation in regionInformations)
{
instances.AddRange(await _searchServiceClient.GetSearchEndpointsAsync(regionInformation, token));
}
var maxCommit = DateTimeOffset.MinValue;
foreach (Instance instance in instances)
{
try
{
var commitDateTime = await _searchServiceClient.GetCommitDateTimeAsync(instance, token);
maxCommit = commitDateTime > maxCommit ? commitDateTime : maxCommit;
}
catch (Exception e)
{
Logger.LogError("An exception was encountered so no HTTP response was returned. {Exception}", e);
}
}
if (maxCommit == DateTimeOffset.MinValue)
{
Logger.LogError("Failed to retrieve a proper starting commit. Abandoning the current run.");
return;
}
var catalogLeafProcessor = new PackageLagCatalogLeafProcessor(instances, _searchServiceClient, _telemetryService, LoggerFactory.CreateLogger <PackageLagCatalogLeafProcessor>());
if (_configuration.RetryLimit > 0)
{
catalogLeafProcessor.RetryLimit = _configuration.RetryLimit;
}
if (_configuration.WaitBetweenRetrySeconds > 0)
{
catalogLeafProcessor.WaitBetweenPolls = TimeSpan.FromSeconds(_configuration.WaitBetweenRetrySeconds);
}
var settings = new CatalogProcessorSettings
{
ServiceIndexUrl = _configuration.ServiceIndexUrl,
DefaultMinCommitTimestamp = maxCommit,
ExcludeRedundantLeaves = false
};
var start = new FileCursor("cursor.json", LoggerFactory.CreateLogger <FileCursor>());
await start.SetAsync(maxCommit.AddTicks(1));
var catalogProcessor = new CatalogProcessor(start, _catalogClient, catalogLeafProcessor, settings, LoggerFactory.CreateLogger <CatalogProcessor>());
bool success;
int retryCount = 0;
do
{
success = await catalogProcessor.ProcessAsync();
if (!success || !await catalogLeafProcessor.WaitForProcessing())
{
retryCount++;
Logger.LogError("Processing the catalog leafs failed. Retry Count {CatalogProcessRetryCount}", retryCount);
}
}while (!success && retryCount < MAX_CATALOG_RETRY_COUNT);
return;
}
catch (Exception e)
{
Logger.LogError("Exception Occured. {Exception}", e);
return;
}
}
public async Task Update(SqlConnection connection, string fileName)
{
if (!File.Exists(fileName))
{
throw new ArgumentException($"File '{fileName}' doesn't exist");
}
using (var context = new EntitiesContext(connection, readOnly: false))
using (var cursor = new FileCursor(CursorFileName))
using (var logger = new Logger(ErrorsFileName))
{
var startTime = await cursor.Read();
logger.Log($"Starting database update - Cursor time: {startTime:u}");
var repository = new EntityRepository <Package>(context);
var packages = repository.GetAll().Include(p => p.PackageRegistration);
using (var csv = CreateCsvReader(fileName))
{
var counter = 0;
var lastCreatedDate = default(DateTime?);
var result = await TryReadMetadata(csv);
while (result.Success)
{
var metadata = result.Metadata;
if (metadata.Created >= startTime)
{
var package = packages.FirstOrDefault(p => p.PackageRegistration.Id == metadata.Id && p.NormalizedVersion == metadata.Version);
if (package != null)
{
UpdatePackage(package, metadata.Metadata, context);
logger.LogPackage(metadata.Id, metadata.Version, "Metadata updated.");
counter++;
if (!lastCreatedDate.HasValue || lastCreatedDate < package.Created)
{
lastCreatedDate = metadata.Created;
}
}
else
{
await logger.LogPackageError(metadata.Id, metadata.Version, "Could not find package in the database.");
}
}
if (counter >= UpdateBatchSize)
{
await CommitBatch(context, cursor, logger, metadata.Created);
counter = 0;
}
result = await TryReadMetadata(csv);
}
if (counter > 0)
{
await CommitBatch(context, cursor, logger, lastCreatedDate);
}
}
}
}
public async Task Collect(SqlConnection connection, Uri serviceDiscoveryUri, DateTime?lastCreateTime, string fileName)
{
using (var context = new EntitiesContext(connection, readOnly: true))
using (var cursor = new FileCursor(CursorFileName))
using (var logger = new Logger(ErrorsFileName))
{
context.SetCommandTimeout(300); // large query
var startTime = await cursor.Read();
logger.Log($"Starting metadata collection - Cursor time: {startTime:u}");
var repository = new EntityRepository <Package>(context);
var packages = repository.GetAll()
.Include(p => p.PackageRegistration);
if (QueryIncludes != null)
{
packages = packages.Include(QueryIncludes);
}
packages = packages
.Where(p => p.Created <lastCreateTime && p.Created> startTime)
.Where(p => p.PackageStatusKey == PackageStatus.Available)
.OrderBy(p => p.Created);
if (LimitTo > 0)
{
packages = packages.Take(LimitTo);
}
var flatContainerUri = await GetFlatContainerUri(serviceDiscoveryUri);
using (var csv = CreateCsvWriter(fileName))
using (var http = new HttpClient())
{
// We want these downloads ignored by stats pipelines - this user agent is automatically skipped.
// See https://github.com/NuGet/NuGet.Jobs/blob/262da48ed05d0366613bbf1c54f47879aad96dcd/src/Stats.ImportAzureCdnStatistics/StatisticsParser.cs#L41
http.DefaultRequestHeaders.TryAddWithoutValidation("User-Agent",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; AppInsights) Backfill Job: NuGet.Gallery GalleryTools");
var counter = 0;
var lastCreatedDate = default(DateTime?);
foreach (var package in packages)
{
var id = package.PackageRegistration.Id;
var version = package.NormalizedVersion;
var idLowered = id.ToLowerInvariant();
var versionLowered = version.ToLowerInvariant();
try
{
var metadata = default(TMetadata);
var nuspecUri =
$"{flatContainerUri}/{idLowered}/{versionLowered}/{idLowered}.nuspec";
using (var nuspecStream = await http.GetStreamAsync(nuspecUri))
{
var document = LoadDocument(nuspecStream);
var nuspecReader = new NuspecReader(document);
if (SourceType == MetadataSourceType.NuspecOnly)
{
metadata = ReadMetadata(nuspecReader);
}
else if (SourceType == MetadataSourceType.Nupkg)
{
var nupkgUri =
$"{flatContainerUri}/{idLowered}/{versionLowered}/{idLowered}.{versionLowered}.nupkg";
metadata = await FetchMetadataAsync(http, nupkgUri, nuspecReader, id, version, logger);
}
}
if (ShouldWriteMetadata(metadata))
{
var record = new PackageMetadata(id, version, metadata, package.Created);
csv.WriteRecord(record);
await csv.NextRecordAsync();
logger.LogPackage(id, version, $"Metadata saved");
}
}
catch (Exception e)
{
await logger.LogPackageError(id, version, e);
}
counter++;
if (!lastCreatedDate.HasValue || lastCreatedDate < package.Created)
{
lastCreatedDate = package.Created;
}
if (counter >= CollectBatchSize)
{
logger.Log($"Writing {package.Created:u} to cursor...");
await cursor.Write(package.Created);
counter = 0;
}
}
if (counter > 0 && lastCreatedDate.HasValue)
{
await cursor.Write(lastCreatedDate.Value);
}
}
}
}
public async Task Collect(string connectionString, Uri serviceDiscoveryUri, DateTime?lastCreateTime, string fileName)
{
using (var context = new EntitiesContext(connectionString, readOnly: true))
using (var cursor = new FileCursor(CursorFileName))
using (var logger = new Logger(ErrorsFileName))
{
var startTime = await cursor.Read();
logger.Log($"Starting metadata collection - Cursor time: {startTime:u}");
var repository = new EntityRepository <Package>(context);
var packages = repository.GetAll()
.Include(p => p.PackageRegistration)
.Where(p => p.Created <lastCreateTime && p.Created> startTime)
.Where(p => p.PackageStatusKey == PackageStatus.Available || p.PackageStatusKey == PackageStatus.Validating)
.OrderBy(p => p.Created);
var flatContainerUri = await GetFlatContainerUri(serviceDiscoveryUri);
using (var csv = CreateCsvWriter(fileName))
using (var http = new HttpClient())
{
var counter = 0;
var lastCreatedDate = default(DateTime?);
foreach (var package in packages)
{
var id = package.PackageRegistration.Id;
var version = package.NormalizedVersion;
var nuspecUri = $"{flatContainerUri}/{id.ToLowerInvariant()}/{version.ToLowerInvariant()}/{id.ToLowerInvariant()}.nuspec";
try
{
var metadata = await FetchMetadata(http, nuspecUri);
if (ShouldWriteMetadata(metadata))
{
var record = new PackageMetadata(id, version, metadata, package.Created);
csv.WriteRecord(record);
await csv.NextRecordAsync();
logger.LogPackage(id, version, "Metadata saved.");
}
}
catch (Exception e)
{
await logger.LogPackageError(id, version, e);
}
counter++;
if (!lastCreatedDate.HasValue || lastCreatedDate < package.Created)
{
lastCreatedDate = package.Created;
}
if (counter >= CollectBatchSize)
{
logger.Log($"Writing {package.Created:u} to cursor...");
await cursor.Write(package.Created);
counter = 0;
}
}
if (counter > 0 && lastCreatedDate.HasValue)
{
await cursor.Write(lastCreatedDate.Value);
}
}
}
}
