59 lines
2.5 KiB
C#
59 lines
2.5 KiB
C#
// <copyright file="Program.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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using System.Diagnostics.Tracing;
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using Examples.LoggingExtensions;
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using OpenTelemetry.Logs;
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using OpenTelemetry.Resources;
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using Serilog;
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var resourceBuilder = ResourceBuilder.CreateDefault().AddService("Examples.LoggingExtensions");
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var openTelemetryLoggerProvider = new OpenTelemetryLoggerProvider(options =>
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{
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options.IncludeFormattedMessage = true;
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options
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.SetResourceBuilder(resourceBuilder)
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.AddConsoleExporter();
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});
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// Creates an OpenTelemetryEventSourceLogEmitter for routing ExampleEventSource
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// events into logs
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using var openTelemetryEventSourceLogEmitter = new OpenTelemetryEventSourceLogEmitter(
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openTelemetryLoggerProvider, // <- Events will be written to openTelemetryLoggerProvider
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(name) => name == ExampleEventSource.EventSourceName ? EventLevel.Informational : null,
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disposeProvider: false); // <- Do not dispose the provider with OpenTelemetryEventSourceLogEmitter since in this case it is shared with Serilog
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// Configure Serilog global logger
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Log.Logger = new LoggerConfiguration()
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.WriteTo.OpenTelemetry(
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openTelemetryLoggerProvider, // <- Register OpenTelemetry Serilog sink writing to openTelemetryLoggerProvider
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disposeProvider: false) // <- Do not dispose the provider with Serilog since in this case it is shared with OpenTelemetryEventSourceLogEmitter
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.CreateLogger();
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ExampleEventSource.Log.ExampleEvent("Startup complete");
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// Note: Serilog ForContext API is used to set "CategoryName" on log messages
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ILogger programLogger = Log.Logger.ForContext<Program>();
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programLogger.Information("Application started {Greeting} {Location}", "Hello", "World");
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// Note: For Serilog this call flushes all logs
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Log.CloseAndFlush();
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// Manually dispose OpenTelemetryLoggerProvider since it is being shared
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openTelemetryLoggerProvider.Dispose();
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