public DiagnosticsController(IEnvironment environment, ITracer tracer, IApplicationLogsReader applicationLogsReader)
{
// Setup the diagnostics service to collect information from the following paths:
// 1. The deployments folder
// 2. The profile dump
// 3. The npm log
_paths = new[] {
environment.DeploymentsPath,
Path.Combine(environment.RootPath, Constants.LogFilesPath),
Path.Combine(environment.WebRootPath, Constants.NpmDebugLogFile),
};
_applicationLogsReader = applicationLogsReader;
_tracer = tracer;
_settingsManager = new DiagnosticsSettingsManager(Path.Combine(environment.DiagnosticsPath, Constants.SettingsJsonFile), _tracer);
}
public void BasicReadWriteTests()
{
BuildFileSystemMock((Mock<IFileSystem> fileSystemMock) =>
{
FileSystemHelpers.Instance = fileSystemMock.Object;
var mockTracer = new Mock<ITracer>();
var manager = new DiagnosticsSettingsManager(@"x:\test.json", mockTracer.Object);
// should see default value
DiagnosticsSettings settings = manager.GetSettings();
Assert.Equal(false, settings.AzureDriveEnabled);
Assert.Equal(TraceEventType.Error, settings.AzureDriveTraceLevel);
Assert.Equal(false, settings.AzureTableEnabled);
Assert.Equal(TraceEventType.Error, settings.AzureTableTraceLevel);
Assert.Equal(false, settings.AzureBlobEnabled);
Assert.Equal(TraceEventType.Error, settings.AzureBlobTraceLevel);
// update with good value
manager.UpdateSetting(DiagnosticsSettings.AzureDriveEnabledKey, true);
manager.UpdateSetting(DiagnosticsSettings.AzureDriveTraceLevelKey, TraceEventType.Verbose);
manager.UpdateSetting(DiagnosticsSettings.AzureTableEnabledKey, true);
manager.UpdateSetting(DiagnosticsSettings.AzureTableTraceLevelKey, TraceEventType.Warning);
manager.UpdateSetting(DiagnosticsSettings.AzureBlobEnabledKey, true);
manager.UpdateSetting(DiagnosticsSettings.AzureBlobTraceLevelKey, TraceEventType.Information);
settings = manager.GetSettings();
Assert.Equal(true, settings.AzureDriveEnabled);
Assert.Equal(TraceEventType.Verbose, settings.AzureDriveTraceLevel);
Assert.Equal(true, settings.AzureTableEnabled);
Assert.Equal(TraceEventType.Warning, settings.AzureTableTraceLevel);
Assert.Equal(true, settings.AzureBlobEnabled);
Assert.Equal(TraceEventType.Information, settings.AzureBlobTraceLevel);
// number and string should be good too
manager.UpdateSetting(DiagnosticsSettings.AzureDriveTraceLevelKey, 2);
settings = manager.GetSettings();
Assert.Equal(TraceEventType.Error, settings.AzureDriveTraceLevel);
JsonSerializationException exception = null;
try
{
manager.UpdateSetting(DiagnosticsSettings.AzureTableTraceLevelKey, "Error");
}
catch (JsonSerializationException ex)
{
exception = ex;
}
Assert.NotNull(exception);
Assert.Equal("Error getting value from 'AzureTableTraceLevel' on 'Kudu.Contracts.Settings.DiagnosticsSettings'.", exception.Message);
try
{
manager.UpdateSetting(DiagnosticsSettings.AzureTableTraceLevelKey, "8");
}
catch (JsonSerializationException ex)
{
exception = ex;
}
Assert.Equal("Error getting value from 'AzureTableTraceLevel' on 'Kudu.Contracts.Settings.DiagnosticsSettings'.", exception.Message);
try
{
manager.UpdateSetting(DiagnosticsSettings.AzureTableTraceLevelKey, "foo");
}
catch (JsonSerializationException ex)
{
exception = ex;
}
Assert.Equal("Error getting value from 'AzureTableTraceLevel' on 'Kudu.Contracts.Settings.DiagnosticsSettings'.", exception.Message);
try
{
manager.UpdateSetting(DiagnosticsSettings.AzureBlobTraceLevelKey, 999);
}
catch (JsonSerializationException ex)
{
exception = ex;
}
Assert.Equal(string.Format(CultureInfo.InvariantCulture, "Error converting value '{0}'", 999), exception.Message);
settings = manager.GetSettings();
Assert.Equal(true, settings.AzureDriveEnabled);
Assert.Equal(TraceEventType.Error, settings.AzureDriveTraceLevel);
Assert.Equal(true, settings.AzureTableEnabled);
Assert.Equal(TraceEventType.Warning, settings.AzureTableTraceLevel);
Assert.Equal(true, settings.AzureBlobEnabled);
Assert.Equal(TraceEventType.Information, settings.AzureBlobTraceLevel);
// with corrupted content, kudu will auto-correct content and reset to default value
manager = new DiagnosticsSettingsManager(@"x:\bad-content.json", mockTracer.Object);
settings = manager.GetSettings();
Assert.Equal(false, settings.AzureDriveEnabled);
Assert.Equal(TraceEventType.Error, settings.AzureDriveTraceLevel);
Assert.Equal(false, settings.AzureTableEnabled);
Assert.Equal(TraceEventType.Error, settings.AzureTableTraceLevel);
Assert.Equal(false, settings.AzureBlobEnabled);
Assert.Equal(TraceEventType.Error, settings.AzureBlobTraceLevel);
});
}