1.8.3. Configuring the Service Mesh Operator to run on infrastructure nodes

Procedure

1. List the operators installed in the namespace:

   $ oc -n openshift-operators get subscriptions

2. Edit the Service Mesh Operator Subscription resource to specify where the operator should run:

   $ oc -n openshift-operators edit subscription <name> 

   1

   1

   <name> represents the name of the Subscription resource. The default name of the Subscription resource is servicemeshoperator.

3. Add the nodeSelector and tolerations to spec.config in the Subscription resource:

   apiVersion: operators.coreos.com/v1alpha1
   kind: Subscription
   metadata:
     labels:
       operators.coreos.com/servicemeshoperator.openshift-operators: ""
     name: servicemeshoperator
     namespace: openshift-operators
   # ...
   spec:
     config:
       nodeSelector: 

   1

   
         node-role.kubernetes.io/infra: ""
       tolerations: 

   2

   
       - effect: NoSchedule
         key: node-role.kubernetes.io/infra
         value: reserved
       - effect: NoExecute
         key: node-role.kubernetes.io/infra
         value: reserved

   1

   Ensures that the operator pod is only scheduled on an infrastructure node.

   2

   Ensures that the pod is accepted by the infrastructure node.