Chapter 8. Moving the cluster logging resources with node selectors

Procedure

1. Add the desired label to your nodes:

   $ oc label <resource> <name> <key>=<value>

   For example, to label a node:

   $ oc label nodes ip-10-0-142-25.ec2.internal type=elasticsearch

2. Edit the Cluster Logging Custom Resource in the openshift-logging project:

   $ oc edit ClusterLogging instance
   
   apiVersion: "logging.openshift.io/v1"
   kind: "ClusterLogging"
   metadata:
     name: "nodeselector"
   spec:
     managementState: "Managed"
     logStore:
       type: "elasticsearch"
       elasticsearch:
         nodeSelector:  1
           logging: es
         nodeCount: 1
         resources:
           limits:
             memory: 2Gi
           requests:
             cpu: 200m
             memory: 2Gi
         storage:
           size: "20G"
           storageClassName: "gp2"
         redundancyPolicy: "ZeroRedundancy"
     visualization:
       type: "kibana"
       kibana:
         nodeSelector:  2
           logging: kibana
         replicas: 1
     curation:
       type: "curator"
       curator:
         nodeSelector:  3
           logging: curator
         schedule: "*/10 * * * *"
     collection:
       logs:
         type: "fluentd"
         fluentd:
           nodeSelector:  4
           logging: fluentd