[jianl@jianl-thinkpadt14gen4 419]$ oc get pod -n openshift-cluster-version
NAME                                        READY   STATUS    RESTARTS   AGE
cluster-version-operator-554b4d54f8-vwg8t   1/1     Running   0          36m
[jianl@jianl-thinkpadt14gen4 419]$ oc get clusterversion
NAME      VERSION                                                AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.19.0-0-2025-04-27-022151-test-ci-ln-7yfjrrb-latest   True        False         11m     Cluster version is 4.19.0-0-2025-04-27-022151-test-ci-ln-7yfjrrb-latest
[jianl@jianl-thinkpadt14gen4 419]$ 

1. check CVO log:
oc logs cluster-version-operator-554b4d54f8-vwg8t -n openshift-cluster-version > /home/jianl/tests/OTA-209/2/cvo-1.log


[jianl@jianl-thinkpadt14gen4 419]$ oc patch featuregates.config.openshift.io cluster --type=merge --patch '{"spec":{"featureSet":"DevPreviewNoUpgrade"}}'
featuregate.config.openshift.io/cluster patched
[jianl@jianl-thinkpadt14gen4 419]$ 

[jianl@jianl-thinkpadt14gen4 419]$ oc get ClusterVersionOperator/cluster -oyaml
apiVersion: operator.openshift.io/v1alpha1
kind: ClusterVersionOperator
metadata:
  annotations:
    include.release.openshift.io/ibm-cloud-managed: "true"
    include.release.openshift.io/self-managed-high-availability: "true"
    release.openshift.io/create-only: "true"
    release.openshift.io/feature-set: DevPreviewNoUpgrade
  creationTimestamp: "2025-04-27T03:33:37Z"
  generation: 1
  name: cluster
  ownerReferences:
  - apiVersion: config.openshift.io/v1
    kind: ClusterVersion
    name: version
    uid: 12b0d1e1-4265-4734-adeb-c579d5ee114e
  resourceVersion: "38530"
  uid: 1860e8d7-be62-49f0-b3f3-50c5d31cab46
spec:
  operatorLogLevel: Normal
status:
  observedGeneration: 1
[jianl@jianl-thinkpadt14gen4 419]$ 

2. install invalid OSUS:
3. check CVO log again
oc logs cluster-version-operator-554b4d54f8-fm7nd -n openshift-cluster-version > /home/jianl/tests/OTA-209/2/cvo-2.log

4. Update the log level to 'Debug'
[jianl@jianl-thinkpadt14gen4 419]$ oc patch clusterversionoperator/cluster --type=merge --patch '{"spec":{"operatorLogLevel":"Debug"}}'
clusterversionoperator.operator.openshift.io/cluster patched
[jianl@jianl-thinkpadt14gen4 419]$ oc get ClusterVersionOperator/cluster -oyaml
apiVersion: operator.openshift.io/v1alpha1
kind: ClusterVersionOperator
metadata:
  annotations:
    include.release.openshift.io/ibm-cloud-managed: "true"
    include.release.openshift.io/self-managed-high-availability: "true"
    release.openshift.io/create-only: "true"
    release.openshift.io/feature-set: DevPreviewNoUpgrade
  creationTimestamp: "2025-04-27T03:33:37Z"
  generation: 2
  name: cluster
  ownerReferences:
  - apiVersion: config.openshift.io/v1
    kind: ClusterVersion
    name: version
    uid: 12b0d1e1-4265-4734-adeb-c579d5ee114e
  resourceVersion: "48007"
  uid: 1860e8d7-be62-49f0-b3f3-50c5d31cab46
spec:
  operatorLogLevel: Debug
status:
  observedGeneration: 2
[jianl@jianl-thinkpadt14gen4 419]$

5. check CVO log again
oc logs cluster-version-operator-554b4d54f8-h2gg9 -n openshift-cluster-version > /home/jianl/tests/OTA-209/2/cvo-3.log

6. Update the log level to 'Trace' by cli:
[jianl@jianl-thinkpadt14gen4 419]$ oc patch clusterversionoperator/cluster --type=merge --patch '{"spec":{"operatorLogLevel":"Trace"}}'
clusterversionoperator.operator.openshift.io/cluster patched
[jianl@jianl-thinkpadt14gen4 419]$ oc get ClusterVersionOperator/cluster -oyaml
apiVersion: operator.openshift.io/v1alpha1
kind: ClusterVersionOperator
metadata:
  annotations:
    include.release.openshift.io/ibm-cloud-managed: "true"
    include.release.openshift.io/self-managed-high-availability: "true"
    release.openshift.io/create-only: "true"
    release.openshift.io/feature-set: DevPreviewNoUpgrade
  creationTimestamp: "2025-04-27T03:33:37Z"
  generation: 3
  name: cluster
  ownerReferences:
  - apiVersion: config.openshift.io/v1
    kind: ClusterVersion
    name: version
    uid: 12b0d1e1-4265-4734-adeb-c579d5ee114e
  resourceVersion: "49609"
  uid: 1860e8d7-be62-49f0-b3f3-50c5d31cab46
spec:
  operatorLogLevel: Trace
status:
  observedGeneration: 3
[jianl@jianl-thinkpadt14gen4 419]$

7. check CVO log again
oc logs cluster-version-operator-554b4d54f8-h2gg9 -n openshift-cluster-version > /home/jianl/tests/OTA-209/2/cvo-4.log

8. Update the log level to 'TraceAll' by cli:
[jianl@jianl-thinkpadt14gen4 419]$ oc patch clusterversionoperator/cluster --type=merge --patch '{"spec":{"operatorLogLevel":"TraceAll"}}'
clusterversionoperator.operator.openshift.io/cluster patched
[jianl@jianl-thinkpadt14gen4 419]$ oc get ClusterVersionOperator/cluster -oyaml
apiVersion: operator.openshift.io/v1alpha1
kind: ClusterVersionOperator
metadata:
  annotations:
    include.release.openshift.io/ibm-cloud-managed: "true"
    include.release.openshift.io/self-managed-high-availability: "true"
    release.openshift.io/create-only: "true"
    release.openshift.io/feature-set: DevPreviewNoUpgrade
  creationTimestamp: "2025-04-27T03:33:37Z"
  generation: 4
  name: cluster
  ownerReferences:
  - apiVersion: config.openshift.io/v1
    kind: ClusterVersion
    name: version
    uid: 12b0d1e1-4265-4734-adeb-c579d5ee114e
  resourceVersion: "54205"
  uid: 1860e8d7-be62-49f0-b3f3-50c5d31cab46
spec:
  operatorLogLevel: TraceAll
status:
  observedGeneration: 4
[jianl@jianl-thinkpadt14gen4 419]$ 

9. check CVO log again
oc logs cluster-version-operator-554b4d54f8-h2gg9 -n openshift-cluster-version > /home/jianl/tests/OTA-209/2/cvo-5.log

10. empty log level:
[jianl@jianl-thinkpadt14gen4 419]$ oc patch clusterversionoperator/cluster --type=merge --patch '{"spec":{"operatorLogLevel":""}}'
clusterversionoperator.operator.openshift.io/cluster patched
[jianl@jianl-thinkpadt14gen4 419]$ oc get ClusterVersionOperator/cluster -oyaml
apiVersion: operator.openshift.io/v1alpha1
kind: ClusterVersionOperator
metadata:
  annotations:
    include.release.openshift.io/ibm-cloud-managed: "true"
    include.release.openshift.io/self-managed-high-availability: "true"
    release.openshift.io/create-only: "true"
    release.openshift.io/feature-set: DevPreviewNoUpgrade
  creationTimestamp: "2025-04-27T03:33:37Z"
  generation: 5
  name: cluster
  ownerReferences:
  - apiVersion: config.openshift.io/v1
    kind: ClusterVersion
    name: version
    uid: 12b0d1e1-4265-4734-adeb-c579d5ee114e
  resourceVersion: "55656"
  uid: 1860e8d7-be62-49f0-b3f3-50c5d31cab46
spec:
  operatorLogLevel: ""
status:
  observedGeneration: 5
[jianl@jianl-thinkpadt14gen4 419]$

11. check CVO log again
oc logs cluster-version-operator-554b4d54f8-h2gg9 -n openshift-cluster-version > /home/jianl/tests/OTA-209/2/cvo-6.log

12. set log level to Normal:
[jianl@jianl-thinkpadt14gen4 419]$ oc patch clusterversionoperator/cluster --type=merge --patch '{"spec":{"operatorLogLevel":"Normal"}}'
clusterversionoperator.operator.openshift.io/cluster patched
[jianl@jianl-thinkpadt14gen4 419]$ 
[jianl@jianl-thinkpadt14gen4 419]$ oc get ClusterVersionOperator/cluster -oyaml
apiVersion: operator.openshift.io/v1alpha1
kind: ClusterVersionOperator
metadata:
  annotations:
    include.release.openshift.io/ibm-cloud-managed: "true"
    include.release.openshift.io/self-managed-high-availability: "true"
    release.openshift.io/create-only: "true"
    release.openshift.io/feature-set: DevPreviewNoUpgrade
  creationTimestamp: "2025-04-27T03:33:37Z"
  generation: 6
  name: cluster
  ownerReferences:
  - apiVersion: config.openshift.io/v1
    kind: ClusterVersion
    name: version
    uid: 12b0d1e1-4265-4734-adeb-c579d5ee114e
  resourceVersion: "57336"
  uid: 1860e8d7-be62-49f0-b3f3-50c5d31cab46
spec:
  operatorLogLevel: Normal
status:
  observedGeneration: 6
[jianl@jianl-thinkpadt14gen4 419]$

13. check CVO log again
oc logs cluster-version-operator-554b4d54f8-h2gg9 -n openshift-cluster-version > /home/jianl/tests/OTA-209/2/cvo-7.log