$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h55m
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc apply -f /tmp/cluster-logging.yaml
clusterlogging.logging.openshift.io/instance unchanged
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc apply -f /tmp/logforwarder.yaml
clusterlogforwarder.logging.openshift.io/instance configured
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h56m
collector-g2t5b                            2/2     Running   0          5s
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc delete -f /tmp/logforwarder.yaml
clusterlogforwarder.logging.openshift.io "instance" deleted
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h56m
collector-wcsln                            2/2     Running   0          17s
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h56m
collector-wcsln                            2/2     Running   0          18s
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h56m
collector-wcsln                            2/2     Running   0          19s
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h56m
collector-wcsln                            2/2     Running   0          19s
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc describe clusterloggings.logging.openshift.io -n openshift-logging instance
Name:         instance
Namespace:    openshift-logging
Labels:       <none>
Annotations:  <none>
API Version:  logging.openshift.io/v1
Kind:         ClusterLogging
Metadata:
  Creation Timestamp:  2023-05-02T12:14:17Z
  Generation:          1
  Managed Fields:
    API Version:  logging.openshift.io/v1
    Fields Type:  FieldsV1
    fieldsV1:
      f:metadata:
        f:annotations:
          .:
          f:kubectl.kubernetes.io/last-applied-configuration:
      f:spec:
        .:
        f:collection:
          .:
          f:fluentd:
          f:type:
        f:curation:
          .:
          f:curator:
            .:
            f:schedule:
          f:type:
        f:managementState:
    Manager:      kubectl-client-side-apply
    Operation:    Update
    Time:         2023-05-02T12:14:17Z
    API Version:  logging.openshift.io/v1
    Fields Type:  FieldsV1
    fieldsV1:
      f:status:
        .:
        f:collection:
          .:
          f:logs:
            .:
            f:fluentdStatus:
              .:
              f:daemonSet:
              f:nodes:
                .:
                f:collector-wcsln:
              f:pods:
                .:
                f:failed:
                f:notReady:
                f:ready:
        f:conditions:
        f:curation:
        f:logStore:
        f:visualization:
    Manager:         cluster-logging-operator
    Operation:       Update
    Subresource:     status
    Time:            2023-05-02T14:27:43Z
  Resource Version:  235809
  UID:               4cd77dfe-f6b1-422e-9e97-55a312af330c
Spec:
  Collection:
    Fluentd:
    Type:  fluentd
  Curation:
    Curator:
      Schedule:      30 3 * * *
    Type:            curator
  Management State:  Managed
Status:
  Collection:
    Logs:
      Fluentd Status:
        Daemon Set:  collector
        Nodes:
          Collector - Wcsln:  master0.a1202-7-11-u19-s4-oe19-sno.lab.neat.nsn-rdnet.net
        Pods:
          Failed:
          Not Ready:
          Ready:
            collector-wcsln
  Conditions:
    Last Transition Time:  2023-05-02T14:27:43Z
    Message:               ClusterLogForwarder input validation error
    Reason:                ClusterLogForwarder input validation error
    Status:                True
    Type:                  CollectorDeadEnd
  Curation:
  Log Store:
  Visualization:
Events:  <none>
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h57m
collector-wcsln                            2/2     Running   0          43s
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc logs -n openshift-logging collector-wcsln
error: a container name must be specified for pod collector-wcsln, choose one of: [collector logfilesmetricexporter]
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc logs -n openshift-logging collector-wcsln collector > collector_pod_logs.txt
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ vi collector_pod_logs.txt
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc logs -n openshift-logging collector-wcsln logfilesmetricexporter > logfilesmetricexporter_logs.txt
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)


$ oc logs -n openshift-logging cluster-logging-operator-9b894d49c-mx7sb > clo_pod_logs.txt
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ vi clo_pod_logs.txt
snagendr@wsl2-u20.04-nokia:~/OCP/ocp-configurations (logging_sno=)
$ oc get pods -n openshift-logging
NAME                                       READY   STATUS    RESTARTS   AGE
cluster-logging-operator-9b894d49c-mx7sb   1/1     Running   0          6h59m
collector-wcsln                            2/2     Running   0          2m49s