opentelemetry-dotnet/docs/logs/getting-started-console/Program.cs

57 lines
2.0 KiB
C#

// <copyright file="Program.cs" company="OpenTelemetry Authors">
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// </copyright>
using Microsoft.Extensions.Logging;
using OpenTelemetry.Logs;
var loggerFactory = LoggerFactory.Create(builder =>
{
builder.AddOpenTelemetry(logging =>
{
logging.AddConsoleExporter();
});
});
var logger = loggerFactory.CreateLogger<Program>();
logger.FoodPriceChanged("artichoke", 9.99);
logger.FoodRecallNotice(
brandName: "Contoso",
productDescription: "Salads",
productType: "Food & Beverages",
recallReasonDescription: "due to a possible health risk from Listeria monocytogenes",
companyName: "Contoso Fresh Vegetables, Inc.");
// Dispose logger factory before the application ends.
// This will flush the remaining logs and shutdown the logging pipeline.
loggerFactory.Dispose();
public static partial class ApplicationLogs
{
[LoggerMessage(LogLevel.Information, "Food `{name}` price changed to `{price}`.")]
public static partial void FoodPriceChanged(this ILogger logger, string name, double price);
[LoggerMessage(LogLevel.Critical, "A `{productType}` recall notice was published for `{brandName} {productDescription}` produced by `{companyName}` ({recallReasonDescription}).")]
public static partial void FoodRecallNotice(
this ILogger logger,
string brandName,
string productDescription,
string productType,
string recallReasonDescription,
string companyName);
}