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Upgrading cluster logging | Logging | OpenShift Container Platform 4.2
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Upgrading cluster logging

After upgrading the OpenShift Container Platform cluster from 4.1 to 4.2, you must then upgrade cluster logging from 4.1 to 4.2.

Because of a change in the default global catalog Namespace and Catalog Source, if you manaully created CatalogSourceConfig and Subscription objects from YAML files, as described by the Elasticsearch installation, you need to update these objects to point to the new catalog Namespace and Source before upgrading, as shown below.

Updating cluster logging

After upgrading the OpenShift Container Platform cluster, you can upgrade cluster logging from 4.1 to 4.2 by updating the Elasticsearch Operator and the Cluster Logging Operator.

Prerequisites

  • upgrade cluster from 4.1 to 4.2.

  • Make sure the clusterlogging status is healthy:

    • All Pods are ready.

    • Elasticsearch cluster is healthy.

Procedure

  1. Edit the CatalogSourceConfig (CSC) and Subscription objects to point to the new catalog Namespace and Cource:

    1. From the CLI, get the name of the Elasticsearch CSC.

      $ oc get csc --all-namespaces
NAMESPACE               NAME                                 STATUS      MESSAGE                                       AGE
openshift-marketplace   certified-operators                  Succeeded   The object has been successfully reconciled   42m
openshift-marketplace   community-operators                  Succeeded   The object has been successfully reconciled   42m
openshift-marketplace   elasticsearch                        Succeeded   The object has been successfully reconciled   27m
openshift-marketplace   installed-redhat-default             Succeeded   The object has been successfully reconciled   26m
openshift-marketplace   installed-redhat-openshift-logging   Succeeded   The object has been successfully reconciled   18m
openshift-marketplace   redhat-operators                     Succeeded   The object has been successfully reconciled   42m

    2. Edit the file as follows:

      $ oc edit csc elasticsearch -n openshift-marketplace

apiVersion: operators.coreos.com/v1
kind: CatalogSourceConfig
metadata:
  creationTimestamp: "2020-02-18T15:09:00Z"
  finalizers:
  - finalizer.catalogsourceconfigs.operators.coreos.com
  generation: 3
  name: elasticsearch
  namespace: openshift-marketplace
  resourceVersion: "17694"
  selfLink: /apis/operators.coreos.com/v1/namespaces/openshift-marketplace/catalogsourceconfigs/elasticsearch
  uid: 97c0cd55-5260-11ea-873c-02939b2f528f
spec:
  csDisplayName: Custom
  csPublisher: Custom
  packages: elasticsearch-operator
  targetNamespace: openshift-operators-redhat
  source: redhat-operators (1)
      1 Change the current value to redhat-operators.

    3. Get the name of the Elasticsearch Subscription object:

      $ oc get sub

NAME                  PACKAGE                  SOURCE          CHANNEL
elasticsearch-pj7pf   elasticsearch-operator   elasticsearch   preview

    4. Edit the file as follows:

      $ oc edit sub elasticsearch-pj7pf

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  creationTimestamp: "2020-02-17T17:51:18Z"
  generateName: elasticsearch-
  generation: 2
  name: elasticsearch-p5k7n
  namespace: openshift-operators-redhat
  resourceVersion: "38098"
  selfLink: /apis/operators.coreos.com/v1alpha1/namespaces/openshift-operators-redhat/subscriptions/elasticsearch-p5k7n
  uid: 19f6df33-51ae-11ea-82b9-027dfdb65ec2
spec:
  channel: "4.2"
  installPlanApproval: Automatic
  name: elasticsearch-operator
  source: redhat-operators (1)
  sourceNamespace: openshift-marketplace (2)
....
      1 Change the current value to redhat-operators.
      2 Change the current value to openshift-marketplace.

  2. upgrade the Elasticsearch Operator:

    1. From the web console, click Operator Management.

    2. Change the project to all projects.

    3. Click the Elasticsearch Operator, which has the same name as the Elasticsearch subscription.

    4. Click Subscription → Channel.

    5. In the Change Subscription Update Channel window, select 4.2 and click Save.

    6. Wait for a few seconds, then click Operators → Installed Operators.

      The Elasticsearch Operator is shown as 4.2. For example:

      Elasticsearch Operator
4.2.0-201909201915 provided
by Red Hat, Inc

  3. upgrade the Cluster Logging Operator:

    1. From the web console, click Operator Management.

    2. Change the project to all projects.

    3. Click the Cluster Logging Operator.

    4. Click Subscription → Channel.

    5. In the Change Subscription Update Channel window, select 4.2 and click Save.

    6. Wait for a few seconds, then click Operators → Installed Operators.

      The Cluster Logging Operator is shown as 4.2. For example:

      Cluster Logging
4.2.0-201909201915 provided
by Red Hat, Inc

  4. Check the logging components:

    1. Ensure that the Elasticsearch Pods are using a 4.2 image:

      $ oc get pod -o yaml -n openshift-logging --selector component=elasticsearch |grep 'image:'

image: registry.redhat.io/openshift4/ose-logging-elasticsearch5:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-elasticsearch5:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-elasticsearch5:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-elasticsearch5:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-elasticsearch5:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-elasticsearch5:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915

    2. Ensure that all Elasticsearch Pods are in the Ready status:

      $ oc get pod -n openshift-logging --selector component=elasticsearch

NAME                                            READY   STATUS    RESTARTS   AGE
elasticsearch-cdm-1pbrl44l-1-55b7546f4c-mshhk   2/2     Running   0          31m
elasticsearch-cdm-1pbrl44l-2-5c6d87589f-gx5hk   2/2     Running   0          30m
elasticsearch-cdm-1pbrl44l-3-88df5d47-m45jc     2/2     Running   0          29m

    3. Ensure that the Elasticsearch cluster is healthy:

      oc exec -n openshift-logging -c elasticsearch elasticsearch-cdm-1pbrl44l-1-55b7546f4c-mshhk -- es_cluster_health

{
  "cluster_name" : "elasticsearch",
  "status" : "green",

....

    4. Ensure that the logging collector Pods are using a 4.2 image:

      $ oc get pod -n openshift-logging --selector logging-infra=fluentd -o yaml |grep 'image:'

image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-fluentd:v4.2.0-201909201915

    5. Ensure that the Kibana Pods are using a 4.2 image:

      $ oc get pod -n openshift-logging --selector logging-infra=kibana -o yaml |grep 'image:'

image: registry.redhat.io/openshift4/ose-logging-kibana5:v4.2.0-201909210748
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915
image: registry.redhat.io/openshift4/ose-logging-kibana5:v4.2.0-201909210748
image: registry.redhat.io/openshift4/ose-oauth-proxy:v4.2.0-201909201915

    6. Ensure that the Curator CronJob is using a 4.2 image:

      $ $ oc get CronJob curator -n openshift-logging -o yaml |grep 'image:'

image: registry.redhat.io/openshift4/ose-logging-curator5:v4.2.0-201909201915