48 lines
1.8 KiB
C#
48 lines
1.8 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 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.LogEmitter");
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// Note: It is important that OpenTelemetryLoggerProvider is disposed when the
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// app is shutdown. In this example we allow Serilog to do that by calling CloseAndFlush.
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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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// Configure Serilog global logger
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Log.Logger = new LoggerConfiguration()
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.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: true) // <- Register OpenTelemetry Serilog sink
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.CreateLogger();
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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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programLogger.Information("Message {Array}", new string[] { "value1", "value2" });
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// Note: For Serilog this call flushes all logs and disposes
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// OpenTelemetryLoggerProvider.
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Log.CloseAndFlush();
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