Merge pull request #2661 from CrowleyRajapakse/testbeta2

Adding performing ratelimit with managed redis performance test steps

test/performance/Ratelimit-README.md

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+# Performance Testing Guide for APK with Rate Limiting
+
+Refer to the README.md file in the test/performance directory for general information on performance testing and environment setup.
+
+This guide outlines the steps to configure the environment and conduct performance tests for the APK product with rate limiting enabled.
+
+## Install APK and Setup APIs
+
+### Sample values.yaml for Rate Limiting
+When installing APK, refer to the sample helm/values-cpu2-ratelimit.yaml file.
+
+Ensure the following configurations are updated in the values.yaml file:
+- Redis URL and Keys: Set the appropriate Redis URL and authentication keys.
+
+### Sample Secret for Redis Authentication
+
+Apply the helm/secrets.yaml file to the cluster after updating it with the necessary Redis credentials.
+
+### Configure Rate Limiter Service (Headless)
+
+In the helm-charts/templates/data-plane/gateway-components/ratelimiter/ratelimiter-service.yaml file, set the clusterIP to None to make the service headless:
+
+```yaml
+spec:
+  clusterIP: None
+```
+
+### Configure Rate Limiter Deployment
+
+In the helm-charts/templates/data-plane/gateway-components/ratelimiter/ratelimiter-deployment.yaml file, set the following environment variables:
+
+```yaml
+- name: LOG_LEVEL
+  value: "WARN"
+- name: REDIS_TLS_SKIP_HOSTNAME_VERIFICATION
+  value: "true"
+```
+
+### Setup APIs
+
+Apply the API resources from the ratelimitAPIArtifacts/ directory to the cluster.
+
+## Set Up Azure Redis Cache
+
+Create an Azure Redis Cache (Standard C3) instance in the same region as the Kubernetes cluster.

test/performance/helm/secrets.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: apk-redis-secret
+  namespace: apk-integration-test
+type: Opaque
+data:
+  redisKey: <base64encodedredisKey>