How to install the DG 8 Operator in a specific namespace, to manage two namespace?

Solution Verified - Updated

Environment

  • Red hat OpenShift Container Platform (OCP)
    • 4.x
  • Red Hat Data Grid (RHDG)
    • 8.x
    • Operator

Issue

How to install the DG 8 Operator in a specific namespace?
How to install the DG 8 Operator to manage two namespace? or three?
Installing DG 8 in a specific operator's namespace makes it to not manage the other.

Resolution

The operator is created from two objects: Subscrption and OperatorGroup, the target namespaces that the operator will handles is given on the OperatorGroup yamls.
So one can set the target namespaces as below:

- apiVersion: operators.coreos.com/v1
  kind: OperatorGroup
  metadata:
    name: infinispan
    namespace: ${OPERATOR_NAMESPACE}
  spec:
    targetNamespaces:
      - ${CLUSTER_NAMESPACE1} <--- first namespace
      - ${CLUSTER_NAMESPACE2} <--- second namespace

Root Cause

As explained on the solution DG 8 Operators coexistence in OCP 4 cluster coexistence of multiple versions on the same cluster is not supported.

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