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3Scale ServiceMesh Integration Lab

This lab will walk through how 3Scale can be integrated with ServiceMesh to provide metering for consumers of API services.

Concepts Covered

  1. 3Scale Installation
  2. 3Scale Istio Adapter Installation
  3. Setting up a tenant
  4. Setting up an API for ServiceMesh Integration
  5. Creating an application to consume the api
  6. Demonstrate limits based on plans

Prerequisites

  • Namespace of 3scale-demo
  • Namespace of 3scale-sm
  • Namespace of 3scale-apps

3Scale Installation

Prerequisite Steps

This will setup your environment variables for steps completed throughout the lab

You will need to know what wildcard domain to deploy to (ex. if when you create a route in OCP it gets created as route-name.apps.example.com your wildcard domain should be apps.example.com)

  1. Set environment variable 
    export WILDCARD_DOMAIN=apps.example.com
export STORAGE_CLASS_NAME=replace-with-storage-class-name

Operator Installation

These steps can be skipped if the 3Scale operator is already installed.

  1. Navigate to the console with a user that has privs to install an operator
  2. Go to the 3scale-demo project
  3. Click Operators on the left and click OperatorHub
  4. Search for 3scale and click Red Hat Integration - 3scale
  5. Click the Install button
  6. Select the 3scale-demo namespace
  7. Click the Subscribe button

API Manager Installation

These steps are to create the necessary resources to integrate with the ServiceMesh.

  1. Run helm to deploy the API management 
    oc project 3scale-demo
helm install 3scale 3scale-demo --set wildcardDomain=$WILDCARD_DOMAIN,storageClassName=$STORAGE_CLASS_NAME
  2. It will take a few minutes for everything to become online

ServiceMesh and Demo Apps

These steps will provision a ServiceMesh control plane and a sample app to use with 3scale

  1. Get the default access token for 3scale integration 
    export THREESCALE_ACCESS_TOKEN="$(oc get secret system-seed -n 3scale-demo -o=jsonpath={'.data.ADMIN_ACCESS_TOKEN'} | base64 -D)"
  2. Deploy the Mesh and Demo App 
    helm install 3scale-apps 3scale-apps --set accessToken=$THREESCALE_ACCESS_TOKEN