[Valkey] Replace Redis with Valkey (open-telemetry#1619)

* replace redis with valkey

* changelog

---------

Co-authored-by: Mikko Viitanen <74129181+mviitane@users.noreply.github.com>

.env

@@ -14,7 +14,7 @@ JAEGERTRACING_IMAGE=jaegertracing/all-in-one:1.57
 OPENSEARCH_IMAGE=opensearchproject/opensearch:2.14.0
 POSTGRES_IMAGE=postgres:16.3
 PROMETHEUS_IMAGE=quay.io/prometheus/prometheus:v2.52.0
-REDIS_IMAGE=redis:7.2-alpine
+VALKEY_IMAGE=valkey/valkey:7.2-alpine
 # must also update the version arg in ./test/tracetesting/Dockerfile
 TRACETEST_IMAGE=kubeshop/tracetest:v1.3.0
 
@@ -129,9 +129,9 @@ FLAGD_PORT=8013
 KAFKA_SERVICE_PORT=9092
 KAFKA_SERVICE_ADDR=kafka:${KAFKA_SERVICE_PORT}
 
-# Redis
-REDIS_PORT=6379
-REDIS_ADDR=redis-cart:${REDIS_PORT}
+# Valkey
+VALKEY_PORT=6379
+VALKEY_ADDR=valkey-cart:${VALKEY_PORT}
 
 # ********************
 # Telemetry Components

CHANGELOG.md

@@ -9,6 +9,8 @@ the release.
 
 * [cartservice] bump .NET package to 1.9.0 release
   ([#1610](https://github.com/open-telemetry/opentelemetry-demo/pull/1610))
+* [Valkey] Replace Redis with Valkey
+  ([#1619](https://github.com/open-telemetry/opentelemetry-demo/pull/1619))
 
 ## 1.10.0
 

docker-compose.minimal.yml

@@ -66,13 +66,13 @@ services:
     environment:
       - CART_SERVICE_PORT
       - FLAGD_HOST
-      - REDIS_ADDR
+      - VALKEY_ADDR
       - OTEL_EXPORTER_OTLP_ENDPOINT
       - OTEL_RESOURCE_ATTRIBUTES
       - OTEL_SERVICE_NAME=cartservice
       - ASPNETCORE_URLS=http://*:${CART_SERVICE_PORT}
     depends_on:
-      redis-cart:
+      valkey-cart:
         condition: service_started
       otelcol:
         condition: service_started
@@ -515,18 +515,18 @@ services:
     logging:
       *logging
 
-  # Redis used by Cart service
-  redis-cart:
-    image: ${REDIS_IMAGE}
-    container_name: redis-cart
-    user: redis
+  # Valkey used by Cart service
+  valkey-cart:
+    image: ${VALKEY_IMAGE}
+    container_name: valkey-cart
+    user: valkey
     deploy:
       resources:
         limits:
           memory: 20M
     restart: unless-stopped
     ports:
-      - "${REDIS_PORT}"
+      - "${VALKEY_PORT}"
     logging: *logging
 
 

docker-compose.yml

@@ -96,13 +96,13 @@ services:
       - CART_SERVICE_PORT
       - FLAGD_HOST
       - FLAGD_PORT
-      - REDIS_ADDR
+      - VALKEY_ADDR
       - OTEL_EXPORTER_OTLP_ENDPOINT
       - OTEL_RESOURCE_ATTRIBUTES
       - OTEL_SERVICE_NAME=cartservice
       - ASPNETCORE_URLS=http://*:${CART_SERVICE_PORT}
     depends_on:
-      redis-cart:
+      valkey-cart:
         condition: service_started
       otelcol:
         condition: service_started
@@ -625,18 +625,18 @@ services:
       retries: 10
     logging: *logging
 
-  # Redis used by Cart service
-  redis-cart:
-    image: ${REDIS_IMAGE}
-    container_name: redis-cart
-    user: redis
+  # Valkey used by Cart service
+  valkey-cart:
+    image: ${VALKEY_IMAGE}
+    container_name: valkey-cart
+    user: valkey
     deploy:
       resources:
         limits:
           memory: 20M
     restart: unless-stopped
     ports:
-      - "${REDIS_PORT}"
+      - "${VALKEY_PORT}"
     logging: *logging
 
 

src/cartservice/README.md

@@ -1,6 +1,6 @@
 # Cart Service
 
-This service stores user shopping carts in Redis.
+This service stores user shopping carts in Valkey.
 
 ## Local Build
 

src/cartservice/src/Program.cs

@@ -20,10 +20,10 @@
 using OpenFeature.Contrib.Hooks.Otel;
 
 var builder = WebApplication.CreateBuilder(args);
-string redisAddress = builder.Configuration["REDIS_ADDR"];
-if (string.IsNullOrEmpty(redisAddress))
+string valkeyAddress = builder.Configuration["VALKEY_ADDR"];
+if (string.IsNullOrEmpty(valkeyAddress))
 {
-    Console.WriteLine("REDIS_ADDR environment variable is required.");
+    Console.WriteLine("VALKEY_ADDR environment variable is required.");
     Environment.Exit(1);
 }
 
@@ -33,7 +33,7 @@
 
 builder.Services.AddSingleton<ICartStore>(x=>
 {
-    var store = new RedisCartStore(x.GetRequiredService<ILogger<RedisCartStore>>(), redisAddress);
+    var store = new ValkeyCartStore(x.GetRequiredService<ILogger<ValkeyCartStore>>(), valkeyAddress);
     store.Initialize();
     return store;
 });
@@ -48,7 +48,7 @@
 builder.Services.AddSingleton(x =>
     new CartService(
         x.GetRequiredService<ICartStore>(),
-        new RedisCartStore(x.GetRequiredService<ILogger<RedisCartStore>>(), "badhost:1234"),
+        new ValkeyCartStore(x.GetRequiredService<ILogger<ValkeyCartStore>>(), "badhost:1234"),
         x.GetRequiredService<IFeatureClient>()
 ));
 
@@ -79,8 +79,8 @@
 
 var app = builder.Build();
 
-var redisCartStore = (RedisCartStore) app.Services.GetRequiredService<ICartStore>();
-app.Services.GetRequiredService<StackExchangeRedisInstrumentation>().AddConnection(redisCartStore.GetConnection());
+var ValkeyCartStore = (ValkeyCartStore) app.Services.GetRequiredService<ICartStore>();
+app.Services.GetRequiredService<StackExchangeRedisInstrumentation>().AddConnection(ValkeyCartStore.GetConnection());
 
 app.MapGrpcService<CartService>();
 app.MapGrpcHealthChecksService();

src/cartservice/src/cartstore/RedisCartStore.cs → src/cartservice/src/cartstore/ValkeyCartStore.cs

@@ -10,7 +10,7 @@
 
 namespace cartservice.cartstore;
 
-public class RedisCartStore : ICartStore
+public class ValkeyCartStore : ICartStore
 {
     private readonly ILogger _logger;
     private const string CartFieldName = "cart";
@@ -25,13 +25,13 @@ public class RedisCartStore : ICartStore
 
     private readonly ConfigurationOptions _redisConnectionOptions;
 
-    public RedisCartStore(ILogger<RedisCartStore> logger, string redisAddress)
+    public ValkeyCartStore(ILogger<ValkeyCartStore> logger, string valkeyAddress)
     {
         _logger = logger;
         // Serialize empty cart into byte array.
         var cart = new Oteldemo.Cart();
         _emptyCartBytes = cart.ToByteArray();
-        _connectionString = $"{redisAddress},ssl=false,allowAdmin=true,abortConnect=false";
+        _connectionString = $"{valkeyAddress},ssl=false,allowAdmin=true,abortConnect=false";
 
         _redisConnectionOptions = ConfigurationOptions.Parse(_connectionString);
 

src/otelcollector/otelcol-config.yml

@@ -14,7 +14,8 @@ receivers:
     targets:
       - endpoint: http://frontendproxy:${env:ENVOY_PORT}
   redis:
-    endpoint: "redis-cart:6379"
+    endpoint: "valkey-cart:6379"
+    username: "valkey"
     collection_interval: 10s
 
 exporters: