public void FileLogger_FunctionName_FromScope()
{
var trace = new TestTraceWriter(TraceLevel.Info);
var factoryMock = new Mock <IFunctionTraceWriterFactory>(MockBehavior.Strict);
factoryMock
.Setup(f => f.Create("SomeFunction", null))
.Returns(trace);
var logger = new FunctionLogger("SomeCategory", factoryMock.Object, (c, l) => true);
// FunctionName comes from scope
using (logger.BeginScope(new Dictionary <string, object>
{
[ScriptConstants.LoggerFunctionNameKey] = "SomeFunction"
}))
{
logger.Log(LogLevel.Information, 0, new FormattedLogValues("Some Message"), null, (s, e) => s.ToString());
}
var traceEvent = trace.Traces.Single();
Assert.Equal(TraceLevel.Info, traceEvent.Level);
Assert.Equal("Some Message", traceEvent.Message);
Assert.Equal("SomeCategory", traceEvent.Source);
}
public static IServiceProvider Init(ILambdaContext context)
{
var debugLogger = new FunctionLogger(context);
debugLogger.Log("Init.");
IServiceCollection services = new ServiceCollection();
// logging
debugLogger.Log("Logging. LOAD");
services.AddScoped(option => new FunctionLogger(context));
debugLogger.Log("Logging. DONE");
// Region Code
var regionCode = Environment.GetEnvironmentVariable("RegionCode");
var ssmPath = Environment.GetEnvironmentVariable("SSMVariablesPath");
debugLogger.Log($"Region Code : {regionCode}");
debugLogger.Log($"SSM Path : {ssmPath}");
debugLogger.Log("SSM Configuration. LOAD");
// SSM Parameters
var configurationBuilder = new ConfigurationBuilder();
configurationBuilder.AddSystemsManager(ssmPath, new AWSOptions {
Region = RegionEndpoint.GetBySystemName(regionCode)
});
var configurations = configurationBuilder.Build();
// Aws Credentials
var awsCredentials =
new BasicAWSCredentials(
accessKey: configurations.GetSection("Aws:Credentials:AccessKey").Value,
secretKey: configurations.GetSection("Aws:Credentials:SecretId").Value);
debugLogger.Log("SSM Configuration. DONE");
// face rekognition
debugLogger.Log("Face Recognition. LOAD");
services.AddScoped(o =>
new AmazonRekognitionClient(awsCredentials, RegionEndpoint.GetBySystemName(regionCode)));
debugLogger.Log("Face Recognition. DONE");
// Function DI
services.AddScoped <ImageHandler>();
debugLogger.Log("Init. DONE.");
return(services.BuildServiceProvider());
}
public async Task AddAsync(FunctionInstanceLogEntry item, CancellationToken cancellationToken = default(CancellationToken))
{
FunctionInstanceMonitor state;
item.Properties.TryGetValue(Key, out state);
if (item.EndTime.HasValue)
{
// Completed
bool success = item.ErrorDetails == null;
state.End(success);
}
else
{
// Started
if (state == null)
{
string shortName = Utility.GetFunctionShortName(item.FunctionName);
FunctionDescriptor descr = _funcLookup(shortName);
if (descr == null)
{
// This exception will cause the function to not get executed.
throw new InvalidOperationException($"Missing function.json for '{shortName}'.");
}
FunctionLogger logInfo = descr.Invoker.LogInfo;
state = new FunctionInstanceMonitor(descr.Metadata, _metrics, item.FunctionInstanceId, logInfo);
item.Properties[Key] = state;
state.Start();
}
}
if (_writer != null)
{
await _writer.AddAsync(new FunctionInstanceLogItem
{
FunctionInstanceId = item.FunctionInstanceId,
FunctionName = Utility.GetFunctionShortName(item.FunctionName),
StartTime = item.StartTime,
EndTime = item.EndTime,
TriggerReason = item.TriggerReason,
Arguments = item.Arguments,
ErrorDetails = item.ErrorDetails,
LogOutput = item.LogOutput,
ParentId = item.ParentId
});
}
}
public void FileLogger_NoFunctionName()
{
var trace = new TestTraceWriter(TraceLevel.Info);
// we should never call this
var factoryMock = new Mock <IFunctionTraceWriterFactory>(MockBehavior.Strict);
var logger = new FunctionLogger("SomeCategory", factoryMock.Object, (c, l) => true);
// FunctionName comes from scope -- call with no scope values
logger.Log(LogLevel.Information, 0, new FormattedLogValues("Some Message"), null, (s, e) => s.ToString());
Assert.Empty(trace.Traces);
factoryMock.Verify(f => f.Create(It.IsAny <string>(), null), Times.Never);
}
