114 lines
4.4 KiB
C#
114 lines
4.4 KiB
C#
// <copyright file="TestRedis.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;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Threading;
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using OpenTelemetry;
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using OpenTelemetry.Trace;
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using StackExchange.Redis;
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namespace Examples.Console
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{
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internal class TestRedis
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{
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internal static object Run(string zipkinUri)
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{
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/*
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* Setup redis service inside local docker.
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* docker run --name opentelemetry-redis-test -d -p 6379:6379 redis
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*
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* If you face any issue with the first command, do the following ones:
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* docker exec -it opentelemetry-redis-test sh
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* redis-cli
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* set bind 0.0.0.0
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* save
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*/
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// connect to the redis server. The default port 6379 will be used.
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var connection = ConnectionMultiplexer.Connect("localhost");
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// Configure exporter to export traces to Zipkin
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using var openTelemetry = Sdk.CreateTracerProviderBuilder()
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.AddZipkinExporter(o =>
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{
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o.ServiceName = "redis-test";
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o.Endpoint = new Uri(zipkinUri);
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})
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.AddRedisInstrumentation(connection, options =>
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{
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// changing flushinterval from 10s to 5s
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options.FlushInterval = TimeSpan.FromSeconds(5);
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})
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.AddSource("redis-test")
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.Build();
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ActivitySource activitySource = new ActivitySource("redis-test");
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// select a database (by default, DB = 0)
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var db = connection.GetDatabase();
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// Create a scoped activity. It will end automatically when using statement ends
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using (activitySource.StartActivity("Main"))
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{
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System.Console.WriteLine("About to do a busy work");
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for (var i = 0; i < 10; i++)
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{
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DoWork(db, activitySource);
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}
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}
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return null;
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}
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private static void DoWork(IDatabase db, ActivitySource activitySource)
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{
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// Start another activity. If another activity was already started, it'll use that activity as the parent activity.
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// In this example, the main method already started a activity, so that'll be the parent activity, and this will be
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// a child activity.
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using (Activity activity = activitySource.StartActivity("DoWork"))
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{
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try
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{
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db.StringSet("key", "value " + DateTime.Now.ToLongDateString());
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System.Console.WriteLine("Doing busy work");
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Thread.Sleep(1000);
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// run a command, in this case a GET
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var myVal = db.StringGet("key");
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System.Console.WriteLine(myVal);
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}
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catch (ArgumentOutOfRangeException e)
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{
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// Set status upon error
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activity.SetTag(SpanAttributeConstants.StatusCodeKey, SpanHelper.GetCachedCanonicalCodeString(Status.Internal.CanonicalCode));
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activity.SetTag(SpanAttributeConstants.StatusDescriptionKey, e.ToString());
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}
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// Annotate our activity to capture metadata about our operation
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var attributes = new Dictionary<string, object>
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{
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{ "use", "demo" },
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};
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ActivityTagsCollection eventTags = new ActivityTagsCollection(attributes);
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activity.AddEvent(new ActivityEvent("Invoking DoWork", default, eventTags));
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}
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}
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}
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}
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