/// <summary>
/// Returns a cache initializer to a real instance of the cache
/// </summary>
protected CacheInitializer GetRealCacheInitializerForTests()
{
var tempDir = OperatingSystemHelper.IsUnixOS ? "/tmp/buildxl-temp" : TemporaryDirectory;
string cacheDirectory = Path.Combine(tempDir, "cache");
AbsolutePath cacheConfigPath = WriteTestCacheConfigToDisk(cacheDirectory);
var translator = new RootTranslator();
if (TryGetSubstSourceAndTarget(out var substSource, out var substTarget))
{
translator.AddTranslation(substTarget, substSource);
}
translator.Seal();
Configuration.Cache.CacheConfigFile = cacheConfigPath;
Configuration.Cache.CacheLogFilePath = AbsolutePath.Create(Context.PathTable, tempDir).Combine(Context.PathTable, "cache.log");
var maybeCacheInitializer = CacheInitializer.GetCacheInitializationTask(
LoggingContext,
Context.PathTable,
cacheDirectory,
Configuration.Cache,
translator,
recoveryStatus: false,
cancellationToken: CancellationToken.None).GetAwaiter().GetResult();
if (!maybeCacheInitializer.Succeeded)
{
throw new BuildXLException("Unable to initialize the real cache: " + maybeCacheInitializer.Failure.DescribeIncludingInnerFailures());
}
return(maybeCacheInitializer.Result);
}
public void TestProperLogMessageOnCacheLockAcquisitionFailure()
{
var tempDir = Path.Combine(
OperatingSystemHelper.IsUnixOS ? "/tmp/bxl-temp" : TemporaryDirectory,
Guid.NewGuid().ToString());
string cacheDirectory = Path.Combine(tempDir, "cache");
string cacheConfigJson = $@"{{
""MaxCacheSizeInMB"": 1024,
""CacheId"": ""TestCache"",
""Assembly"": ""BuildXL.Cache.MemoizationStoreAdapter"",
""CacheLogPath"": ""[BuildXLSelectedLogPath]"",
""Type"": ""BuildXL.Cache.MemoizationStoreAdapter.MemoizationStoreCacheFactory"",
""CacheRootPath"": ""{cacheDirectory.Replace("\\", "\\\\")}"",
""UseStreamCAS"": false,
""SingleInstanceTimeoutInSeconds"" : 5
}}";
AbsolutePath cacheConfigPath = WriteTestCacheConfigToDisk(cacheDirectory, cacheConfigJson);
var translator = new RootTranslator();
translator.Seal();
var possibleFirstCacheInitializer = CacheInitializer.GetCacheInitializationTask(
LoggingContext,
Context.PathTable,
cacheDirectory,
new CacheConfiguration
{
CacheLogFilePath = AbsolutePath.Create(Context.PathTable, tempDir).Combine(Context.PathTable, "cache.log"),
CacheConfigFile = cacheConfigPath
},
translator,
recoveryStatus: false,
cancellationToken: CancellationToken.None).GetAwaiter().GetResult();
if (!possibleFirstCacheInitializer.Succeeded)
{
AssertTrue(false, "Failed to initialize the cache: " + possibleFirstCacheInitializer.Failure.DescribeIncludingInnerFailures());
}
var possibleSecondCacheInitializer = CacheInitializer.GetCacheInitializationTask(
LoggingContext,
Context.PathTable,
cacheDirectory,
new CacheConfiguration
{
// need a different name for the log file (due to the order in which the things are initialized)
CacheLogFilePath = AbsolutePath.Create(Context.PathTable, tempDir).Combine(Context.PathTable, "cache_2.log"),
CacheConfigFile = cacheConfigPath,
},
translator,
recoveryStatus: false,
cancellationToken: CancellationToken.None).GetAwaiter().GetResult();
// close and dispose the first cache (must be done before the assert block bellow)
var firstCacheInitializer = possibleFirstCacheInitializer.Result;
AssertSuccess(firstCacheInitializer.Close());
firstCacheInitializer.Dispose();
AssertErrorEventLogged(global::BuildXL.Engine.Tracing.LogEventId.FailedToAcquireDirectoryLock);
AssertTrue(!possibleSecondCacheInitializer.Succeeded, "Initialization of the second cache should have failed.");
}