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Validated patterns frameworks
Adding Operators to the framework
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Table of Contents

Subscriptions are defined in the values files and they are OpenShift Operator subscriptions from the Operator Hub. Subscriptions contribute to the creation of a software bill of materials (SBOM), detailing all intended installations within the ClusterGroup. For example in values-hub.yaml, the subscriptions defined in the subscriptions section specify Operators that are installed in the hub cluster when you deploy the validated pattern.

This procedure describes how subscriptions to Operators are added to the validated pattern framework.

1. Identify required application services

Procedure

  • Decide the application services necessary to support the workload.

  • These services are managed through Operators, which handle their lifecycle within OpenShift.

2. Define Operators in the values file

  • Use the validated pattern framework to specify required Operators in a values file (values-<site>.yaml).

  • This file should reflect the specific pattern and site type where the Operators will be deployed.

3. Add subscription entries

  • Define the required Operators by adding subscription entries in the values-<site>.yaml file.

  • Each entry should specify:

    • The Operator name

    • The namespace where it should be deployed

    • The subscription channel

    • The ClusterServiceVersion (CSV)

Example: Deploying Advanced Cluster Management, AMQ, and AMQ Streams

For example, if you want to deploy Advanced Cluster Management, AMQ (messaging) and AMQ Streams (Kafka) in your factory cluster, you would follow the guidance here:

The assumption is there is a values-factory.yaml file that is used to deploy the factory cluster. The file should include the following entries:

namespaces:
  - open-cluster-management
  - my-application
  - backend-storage

subscriptions:
  - name: advanced-cluster-management
    namespace: open-cluster-management
    channel: release-2.3
    csv: advanced-cluster-management.v2.3.2

  - name: amq-streams
    namespace: my-application
    channel: amq-streams-1.7.x
    csv: amqstreams.v1.7.1

  - name: amq-broker
    namespace: my-application
    channel: 7.8.x
    csv: amq-broker-operator.v7.8.1-opr-3

The validated pattern framework provisions the required Operators and deploys them to the specified namespaces, ensuring they are available for workload deployment.