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Logging UI plugin

Until the approaching General Availability (GA) release of the Cluster Observability Operator (COO), which is currently in Technology Preview (TP), Red Hat provides support to customers who are using Logging 6.0 or later with the COO for the logging UI plugin on OpenShift Container Platform 4.14 or later. This support exception is temporary as the COO includes several independent features, some of which are still TP features, but the logging UI plugin is ready for GA.

The logging UI plugin surfaces logging data in the OpenShift Container Platform web console on the Observe → Logs page. You can specify filters, queries, time ranges and refresh rates, with the results displayed as a list of collapsed logs, which can then be expanded to show more detailed information for each log.

When you have also deployed the Troubleshooting UI plugin on OpenShift Container Platform version 4.16+, it connects to the Korrel8r service and adds direct links from the Administration perspective, from the Observe → Logs page, to the Observe → Metrics page with a correlated PromQL query. It also adds a See Related Logs link from the Administration perspective alerting detail page, at Observe → Alerting, to the Observe → Logs page with a correlated filter set selected.

The features of the plugin are categorized as:

dev-console

Adds the logging view to the Developer perspective.

alerts

Merges the web console alerts with log-based alerts defined in the Loki ruler. Adds a log-based metrics chart in the alert detail view.

dev-alerts

Merges the web console alerts with log-based alerts defined in the Loki ruler. Adds a log-based metrics chart in the alert detail view for the Developer perspective.

For Cluster Observability Operator (COO) versions, the support for these features in OpenShift Container Platform versions is shown in the following table:

COO version OCP versions Features

0.3.0+

4.12

dev-console

0.3.0+

4.13

dev-console, alerts

0.3.0+

4.14+

dev-console, alerts, dev-alerts

Installing the Cluster Observability Operator logging UI plugin

Prerequisites

  • You have access to the cluster as a user with the cluster-admin role.

  • You have logged in to the OpenShift Container Platform web console.

  • You have installed the Cluster Observability Operator.

  • You have a LokiStack instance in your cluster.

Procedure

  1. In the OpenShift Container Platform web console, click Operators → Installed Operators and select Cluster Observability Operator.

  2. Choose the UI Plugin tab (at the far right of the tab list) and click Create UIPlugin.

  3. Select YAML view, enter the following content, and then click Create:

    apiVersion: observability.openshift.io/v1alpha1
kind: UIPlugin
metadata:
  name: logging
spec:
  type: Logging
  logging:
    lokiStack:
      name: logging-loki
    logsLimit: 50
    timeout: 30s