internal FunctionInvokerBase(ScriptHost host, FunctionMetadata functionMetadata)
{
Host = host;
Metadata = functionMetadata;
_metrics = host.ScriptConfig.HostConfig.GetService <IMetricsLogger>();
// Function file logging is only done conditionally
TraceWriter traceWriter = host.FunctionTraceWriterFactory.Create(functionMetadata.Name);
FileTraceWriter = traceWriter.Conditional(t => Host.FileLoggingEnabled && (!(t.Properties?.ContainsKey(ScriptConstants.TracePropertyPrimaryHostKey) ?? false) || Host.IsPrimary));
// The global trace writer used by the invoker will write all traces to both
// the host trace writer as well as our file trace writer
TraceWriter = host.TraceWriter != null ?
new CompositeTraceWriter(new TraceWriter[] { FileTraceWriter, host.TraceWriter }) :
FileTraceWriter;
// Apply the function name as an event property to all traces
var functionTraceProperties = new Dictionary <string, object>
{
{ ScriptConstants.TracePropertyFunctionNameKey, Metadata.Name }
};
TraceWriter = TraceWriter.Apply(functionTraceProperties);
Logger = host.ScriptConfig.HostConfig.LoggerFactory?.CreateLogger(LogCategories.Executor);
}
public FunctionLogger(ScriptHost host, string functionName, string logDirName = null)
{
// Function file logging is only done conditionally
TraceWriter traceWriter = host.FunctionTraceWriterFactory.Create(functionName, logDirName);
FileTraceWriter = traceWriter.Conditional(t => host.FileLoggingEnabled && (!(t.Properties?.ContainsKey(ScriptConstants.TracePropertyPrimaryHostKey) ?? false) || host.IsPrimary));
// The global trace writer used by the invoker will write all traces to both
// the host trace writer as well as our file trace writer
traceWriter = host.TraceWriter != null ?
new CompositeTraceWriter(new TraceWriter[] { FileTraceWriter, host.TraceWriter }) :
FileTraceWriter;
// Apply the function name as an event property to all traces
var functionTraceProperties = new Dictionary <string, object>
{
{ ScriptConstants.TracePropertyFunctionNameKey, functionName }
};
TraceWriter = traceWriter.Apply(functionTraceProperties);
Logger = host.ScriptConfig.HostConfig.LoggerFactory?.CreateLogger(LogCategories.Executor);
}