internal static void Initialize(ContainerBuilder builder, WebHostSettings settings)
{
ScriptHostConfiguration scriptHostConfig = new ScriptHostConfiguration()
{
RootScriptPath = settings.ScriptPath,
RootLogPath = settings.LogPath,
FileLoggingEnabled = true
};
// If running on Azure Web App, derive the host ID from the site name
string hostId = Environment.GetEnvironmentVariable("WEBSITE_SITE_NAME");
if (!String.IsNullOrEmpty(hostId))
{
// Truncate to the max host name length if needed
const int MaximumHostIdLength = 32;
if (hostId.Length > MaximumHostIdLength)
{
hostId = hostId.Substring(0, MaximumHostIdLength);
}
// Trim any trailing - as they can cause problems with queue names
hostId = hostId.TrimEnd('-');
scriptHostConfig.HostConfig.HostId = hostId.ToLowerInvariant();
}
SecretManager secretManager = new SecretManager(settings.SecretsPath);
// Make sure that host secrets get created on startup if they don't exist
secretManager.GetHostSecrets();
builder.RegisterInstance <SecretManager>(secretManager);
WebScriptHostManager scriptHostManager = new WebScriptHostManager(scriptHostConfig, secretManager);
builder.RegisterInstance <WebScriptHostManager>(scriptHostManager);
WebHookReceiverManager webHookReceiverManager = new WebHookReceiverManager(secretManager);
builder.RegisterInstance <WebHookReceiverManager>(webHookReceiverManager);
if (!settings.IsSelfHost)
{
HostingEnvironment.QueueBackgroundWorkItem((ct) => scriptHostManager.RunAndBlock(ct));
}
else
{
Task.Run(() => scriptHostManager.RunAndBlock());
}
}
public Fixture()
{
TestFunctionRoot = Path.Combine(TestHelpers.FunctionsTestDirectory, "Functions");
TestLogsRoot = Path.Combine(TestHelpers.FunctionsTestDirectory, "Logs");
TestSecretsRoot = Path.Combine(TestHelpers.FunctionsTestDirectory, "Secrets");
string testRoot = Path.Combine(TestFunctionRoot, Guid.NewGuid().ToString());
SecretsPath = Path.Combine(TestSecretsRoot, Guid.NewGuid().ToString());
Directory.CreateDirectory(SecretsPath);
string logRoot = Path.Combine(TestLogsRoot, Guid.NewGuid().ToString(), @"Functions");
Directory.CreateDirectory(logRoot);
FunctionsLogDir = Path.Combine(logRoot, @"Function");
Directory.CreateDirectory(FunctionsLogDir);
// Add some secret files (both old and valid)
File.Create(Path.Combine(SecretsPath, ScriptConstants.HostMetadataFileName));
File.Create(Path.Combine(SecretsPath, "WebHookTrigger.json"));
File.Create(Path.Combine(SecretsPath, "QueueTriggerToBlob.json"));
File.Create(Path.Combine(SecretsPath, "Foo.json"));
File.Create(Path.Combine(SecretsPath, "Bar.json"));
File.Create(Path.Combine(SecretsPath, "Invalid.json"));
// Add some old file directories
CreateTestFunctionLogs(FunctionsLogDir, "Foo");
CreateTestFunctionLogs(FunctionsLogDir, "Bar");
CreateTestFunctionLogs(FunctionsLogDir, "Baz");
CreateTestFunctionLogs(FunctionsLogDir, "Invalid");
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootScriptPath = @"TestScripts\Node",
RootLogPath = logRoot,
FileLoggingEnabled = true
};
SecretManager secretManager = new SecretManager(SecretsPath);
WebHostSettings webHostSettings = new WebHostSettings();
HostManager = new WebScriptHostManager(config, secretManager, webHostSettings);
Task task = Task.Run(() => { HostManager.RunAndBlock(); });
TestHelpers.Await(() =>
{
return(HostManager.IsRunning);
}).GetAwaiter().GetResult();
}
public Fixture()
{
string testRoot = Path.Combine(Path.GetTempPath(), "FunctionTests");
if (Directory.Exists(testRoot))
{
Directory.Delete(testRoot, recursive: true);
}
SecretsPath = Path.Combine(testRoot, "TestSecrets");
Directory.CreateDirectory(SecretsPath);
string logRoot = Path.Combine(testRoot, @"Functions");
Directory.CreateDirectory(logRoot);
FunctionsLogDir = Path.Combine(logRoot, @"Function");
Directory.CreateDirectory(FunctionsLogDir);
// Add some secret files (both old and valid)
File.Create(Path.Combine(SecretsPath, ScriptConstants.HostMetadataFileName));
File.Create(Path.Combine(SecretsPath, "WebHookTrigger.json"));
File.Create(Path.Combine(SecretsPath, "QueueTriggerToBlob.json"));
File.Create(Path.Combine(SecretsPath, "Foo.json"));
File.Create(Path.Combine(SecretsPath, "Bar.json"));
File.Create(Path.Combine(SecretsPath, "Invalid.json"));
// Add some old file directories
CreateTestFunctionLogs(FunctionsLogDir, "Foo");
CreateTestFunctionLogs(FunctionsLogDir, "Bar");
CreateTestFunctionLogs(FunctionsLogDir, "Baz");
CreateTestFunctionLogs(FunctionsLogDir, "Invalid");
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootScriptPath = @"TestScripts\Node",
RootLogPath = logRoot,
FileLoggingEnabled = true
};
SecretManager secretManager = new SecretManager(SecretsPath);
HostManager = new WebScriptHostManager(config, secretManager);
Task task = Task.Run(() => { HostManager.RunAndBlock(); });
TestHelpers.Await(() =>
{
return(HostManager.IsRunning);
}).GetAwaiter().GetResult();
}
public async Task EmptyHost_StartsSuccessfully()
{
string functionTestDir = Path.Combine(_fixture.TestFunctionRoot, Guid.NewGuid().ToString());
Directory.CreateDirectory(functionTestDir);
// important for the repro that these directories no not exist
string logDir = Path.Combine(_fixture.TestLogsRoot, Guid.NewGuid().ToString());
string secretsDir = Path.Combine(_fixture.TestSecretsRoot, Guid.NewGuid().ToString());
JObject hostConfig = new JObject
{
{ "id", "123456" }
};
File.WriteAllText(Path.Combine(functionTestDir, ScriptConstants.HostMetadataFileName), hostConfig.ToString());
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootScriptPath = functionTestDir,
RootLogPath = logDir,
FileLoggingMode = FileLoggingMode.Always
};
ISecretManager secretManager = new SecretManager(secretsDir);
WebHostSettings webHostSettings = new WebHostSettings();
ScriptHostManager hostManager = new WebScriptHostManager(config, secretManager, webHostSettings);
Task runTask = Task.Run(() => hostManager.RunAndBlock());
await TestHelpers.Await(() => hostManager.IsRunning, timeout : 10000);
hostManager.Stop();
Assert.False(hostManager.IsRunning);
await Task.Delay(FileTraceWriter.LogFlushIntervalMs);
string hostLogFilePath = Directory.EnumerateFiles(Path.Combine(logDir, "Host")).Single();
string hostLogs = File.ReadAllText(hostLogFilePath);
Assert.Contains("Generating 0 job function(s)", hostLogs);
Assert.Contains("No job functions found.", hostLogs);
Assert.Contains("Job host started", hostLogs);
Assert.Contains("Job host stopped", hostLogs);
}
public async Task MultipleHostRestarts()
{
string functionTestDir = Path.Combine(_fixture.TestFunctionRoot, Guid.NewGuid().ToString());
Directory.CreateDirectory(functionTestDir);
string logDir = Path.Combine(_fixture.TestLogsRoot, Guid.NewGuid().ToString());
string secretsDir = Path.Combine(_fixture.TestSecretsRoot, Guid.NewGuid().ToString());
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootLogPath = logDir,
RootScriptPath = functionTestDir,
FileLoggingMode = FileLoggingMode.Always,
RestartInterval = TimeSpan.FromMilliseconds(500)
};
SecretManager secretManager = new SecretManager(secretsDir);
WebHostSettings webHostSettings = new WebHostSettings();
var factoryMock = new Mock <IScriptHostFactory>();
int count = 0;
factoryMock.Setup(p => p.Create(config)).Callback(() =>
{
count++;
}).Throws(new Exception("Kaboom!"));
ScriptHostManager hostManager = new WebScriptHostManager(config, secretManager, webHostSettings, factoryMock.Object);
Task runTask = Task.Run(() => hostManager.RunAndBlock());
await TestHelpers.Await(() =>
{
return(count > 3);
});
hostManager.Stop();
Assert.False(hostManager.IsRunning);
// regression test: previously on multiple restarts we were recomposing
// the writer on each restart, resulting in a nested chain of writers
// increasing on each restart
Assert.Equal(typeof(SystemTraceWriter), config.TraceWriter.GetType());
}
private async Task <WebScriptHostManager> CreateAndStartWebScriptHostManager(TraceWriter traceWriter)
{
var functions = new Collection <string> {
"TimeoutToken"
};
ScriptHostConfiguration config = new ScriptHostConfiguration()
{
RootScriptPath = $@"TestScripts\CSharp",
TraceWriter = traceWriter,
FileLoggingMode = FileLoggingMode.Always,
Functions = functions,
FunctionTimeout = TimeSpan.FromSeconds(3)
};
var manager = new WebScriptHostManager(config, new SecretManager(), new WebHostSettings());
Task task = Task.Run(() => { manager.RunAndBlock(); });
await TestHelpers.Await(() => manager.IsRunning);
return(manager);
}
internal async Task GeneratedMethods_WithOutParams_DoNotCauseDeadlocks(string fixture)
{
var traceWriter = new TestTraceWriter(TraceLevel.Verbose);
ScriptHostConfiguration config = new ScriptHostConfiguration()
{
RootScriptPath = @"TestScripts\FunctionGeneration",
TraceWriter = traceWriter
};
string secretsPath = Path.Combine(Path.GetTempPath(), @"FunctionTests\Secrets");
WebHostSettings webHostSettings = new WebHostSettings();
var secretManager = new SecretManager(SettingsManager, secretsPath, NullTraceWriter.Instance);
using (var manager = new WebScriptHostManager(config, new TestSecretManagerFactory(secretManager), SettingsManager, webHostSettings))
{
Thread runLoopThread = new Thread(_ =>
{
manager.RunAndBlock(CancellationToken.None);
});
runLoopThread.IsBackground = true;
runLoopThread.Start();
await TestHelpers.Await(() =>
{
return manager.State == ScriptHostState.Running;
});
var request = new HttpRequestMessage(HttpMethod.Get, String.Format("http://localhost/api/httptrigger-{0}", fixture));
FunctionDescriptor function = manager.GetHttpFunctionOrNull(request);
SynchronizationContext currentContext = SynchronizationContext.Current;
var resetEvent = new ManualResetEventSlim();
try
{
var requestThread = new Thread(() =>
{
var context = new SingleThreadSynchronizationContext();
SynchronizationContext.SetSynchronizationContext(context);
manager.HandleRequestAsync(function, request, CancellationToken.None)
.ContinueWith(task => resetEvent.Set());
Thread.Sleep(500);
context.Run();
});
requestThread.IsBackground = true;
requestThread.Start();
bool threadSignaled = resetEvent.Wait(TimeSpan.FromSeconds(10));
requestThread.Abort();
Assert.True(threadSignaled, "Thread execution did not complete");
}
finally
{
SynchronizationContext.SetSynchronizationContext(currentContext);
manager.Stop();
}
}
}