CONSOLE-5029: Refactor withDashboardResources in with-dashboard-resources.tsx into … #15927

cajieh · 2026-01-19T13:58:54Z

Summary

Removes the withDashboardResources Higher-Order Component in favor of targeted React hooks, modernizing 17 components across 10 files as part of the "Remove and Update Firehose" epic.

Problem

The withDashboardResources HOC injected all capabilities into every component regardless of actual needs:

Performance: Unnecessary re-renders on unrelated data changes

Clarity: Unclear dependencies per component

Technical debt: Class-based HOC + Redux + Firehose coupling

Type safety: Complex HOC intersection types

Solution

Replace monolithic HOC with targeted hooks based on actual usage:

Key Change: useDynamicDashboardResources

Bridges declarative hooks with imperative plugin requirements:. Enables runtime resource watching without violating Rules of Hooks
const { watchResource, stopWatchResource, results } = useDynamicDashboardResources();

Plugin extensions can register 0-N resources at runtime

  extensions.forEach((ext, i) => {
    watchResource(key(i), ext.properties.k8sResource);
  });

Benefits

Performance: Components only watch what they need

Code quality: -271 lines, clearer intent

Type safety: Specific return types per hook

Modern React: Hooks over HOCs, functional components

Summary by CodeRabbit

Refactor
- Modernized dashboard component data-fetching architecture across cluster and project dashboards, improving code organization and maintainability while preserving all existing functionality.

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openshift-ci-robot · 2026-01-19T13:58:59Z

@cajieh: This pull request references CONSOLE-5031 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.22.0" version, but no target version was set.

Details

In response to this:

NOT READY FOR READY

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coderabbitai · 2026-01-19T13:59:03Z

📝 Walkthrough

Walkthrough

This pull request refactors the console dashboard resource management from a higher-order component pattern (withDashboardResources) to a hook-based architecture. A new useDynamicK8sWatchResources hook provides imperative APIs for dynamically registering and unregistering Kubernetes resources at runtime. The useDashboardResources hook is updated to accept an additional parameter for URL fetching. Multiple dashboard and plugin components are refactored to use these hooks directly instead of receiving resource data through props injected by the HOC. The withDashboardResources export and its associated types are removed. Component public signatures are simplified by removing dependency on DashboardItemProps and shifting data loading into components via hooks.

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Title check	❓ Inconclusive	The title is truncated and incomplete, ending with an ellipsis without conveying the full scope of this major architectural refactor that replaces the withDashboardResources HOC with hooks across 17 components.	Complete the title to reflect the full change: 'Refactor withDashboardResources HOC into hook-based patterns' or similar, ensuring it communicates the main transformation without requiring external context.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

📝 Generate docstrings

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cajieh · 2026-01-19T21:32:32Z

frontend/public/components/dashboard/dashboards-page/cluster-dashboard/activity-card.tsx

-        <RecentEvent />
+        <RecentEvents />
      </ActivityBody>
-      <RecentEventFooter />


cajieh · 2026-01-19T21:36:17Z

frontend/public/components/dashboard/project-dashboard/activity-card.tsx

          <OngoingActivity projectName={projectName} />
          <RecentEvent projectName={projectName} viewEvents={viewEvents} />
        </ActivityBody>
-        <RecentEventFooter projectName={projectName} viewEvents={viewEvents} />


Redundant after the refactoring! The footer functionality is preserved with the same logic:
const shouldShowFooter = events?.loaded && events?.data && events.data.length > 50;

openshift-ci-robot · 2026-01-21T14:33:36Z

@cajieh: This pull request references CONSOLE-5031 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.22.0" version, but no target version was set.

Details

In response to this:

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

cajieh · 2026-01-22T16:47:00Z

/retest

logonoff · 2026-01-26T15:30:28Z

frontend/packages/metal3-plugin/src/components/baremetal-hosts/dashboard/EventsCard.tsx

+  const events = useMemo(
+    () => ({
+      data: eventsData,
+      loaded: eventsLoaded,
+      loadError: eventsLoadError,
+    }),
+    [eventsData, eventsLoaded, eventsLoadError],
+  );


Looks like we need to adapt k8sWatchResource to FirehoseResult here and in a few other places.

Can we instead modify RecentEventsBody to directly accept these 3 props instead? This would also remove the FirehoseResult type from that component

cajieh · 2026-01-27T19:53:23Z

/retest

cajieh · 2026-01-28T15:40:41Z

/test e2e-gcp-console

cajieh · 2026-01-28T20:53:08Z

/test e2e-gcp-console

cajieh · 2026-01-26T15:11:12Z

frontend/public/components/dashboard/dashboards-page/cluster-dashboard/details-card.tsx

+  const [k8sVersion, setK8sVersion] = useState<Response>();
+  const [k8sVersionError, setK8sVersionError] = useState();


I will create a jira ticket to track these issues.

cajieh · 2026-01-29T12:25:30Z

frontend/packages/console-dynamic-plugin-sdk/src/api/internal-types.ts

 }>;

 export type RecentEventsBodyProps = {
-  events: FirehoseResult<EventKind[]>;


This shouldn't have any impact on the public SDK since it is internal.

cajieh · 2026-01-29T12:36:47Z

frontend/public/components/dashboard/dashboards-page/cluster-dashboard/details-card.tsx

+  const [k8sVersion, setK8sVersion] = useState<Response>();
+  const [k8sVersionError, setK8sVersionError] = useState();


logonoff · 2026-01-29T15:17:27Z

frontend/public/components/dashboard/dashboards-page/cluster-dashboard/activity-card.tsx

+  );
+};
+
+const OngoingActivity = connect(mapStateToProps)(OngoingActivityComponent);


As some extra refactoring you can also replace the connect HOC with the useSelector hook. Not required though!

logonoff · 2026-01-29T15:18:49Z

frontend/public/components/dashboard/dashboards-page/cluster-dashboard/utilization-card.tsx

-    let request: PrometheusResponse, requestError: any;
-    let isLoading = false;
-    const { duration } = useUtilizationDuration();
+export const PrometheusUtilizationItem: React.FC<PrometheusUtilizationItemProps> = ({


nit

Suggested change

export const PrometheusUtilizationItem: React.FC<PrometheusUtilizationItemProps> = ({

export const PrometheusUtilizationItem: FC<PrometheusUtilizationItemProps> = ({

logonoff · 2026-01-29T15:19:22Z

frontend/public/components/dashboard/dashboards-page/cluster-dashboard/utilization-card.tsx

+  );
+};
+
+export const PrometheusMultilineUtilizationItem: React.FC<PrometheusMultilineUtilizationItemProps> = ({


Suggested change

export const PrometheusMultilineUtilizationItem: React.FC<PrometheusMultilineUtilizationItemProps> = ({

export const PrometheusMultilineUtilizationItem: FC<PrometheusMultilineUtilizationItemProps> = ({

logonoff · 2026-01-29T15:22:17Z

frontend/public/components/dashboard/project-dashboard/activity-card.tsx

+        const resourceKey = uniqueResource(a.properties.k8sResource, index).prop;
+        stopWatchResource(resourceKey);


If some extension which we're watching is removed from resourceActivity, e.g., due to a flag changing, does this hook ensure that it is cleaned up properly?

e.g.: foo plugin provides bar DashboardOverviewResource extension, and we watch that resource. baz feature flag is turned off and disables bar extension. does this cleanup function handle this edge case?

@logonoff Yes. The dynamic extension changes are correctly handled including cleanup. The useDynamicK8sWatchResources hook provides the stopWatchResource callback, and the resourceActivities dependency ensures it's called at the right time.

The resourceActivities dependency ensures proper cleanup:

When a feature flag disables an extension (like "bar"), the effect at lines 87-104 handles it automatically:

resourceActivities is recomputed (lines 78-85) and filters out the disabled extension

The effect's cleanup function runs (lines 98-103), stopping all watches from the previous resourceActivities list - including "bar"

The effect re-runs and starts watches only for the current resourceActivities - excluding "bar"

Example flow:

Initial: resourceActivities = [foo, bar] → watches both

Flag disables bar: resourceActivities = [foo] → effect dependency changes

Cleanup runs: stops foo and bar

Effect runs: starts foo only

Result: bar is no longer watched

Why it works:
The effect cleanup function captures the previous resourceActivities value in its closure from when the effect was created, so it correctly stops the watch for "bar" even though "bar" is no longer in the current resourceActivities.
Let me know if you want to discuss this further.

logonoff · 2026-01-29T15:24:05Z

frontend/public/components/dashboard/project-dashboard/activity-card.tsx

+  );
+};
+
+const OngoingActivity = connect(mapStateToProps)(OngoingActivityComponent);


Can be refactored to use useSelector/useConsoleSelector if you are interested in more refactoring work

This is out of scope for the current task, as these lines weren't directly modified but rather moved around by Git.

logonoff · 2026-01-29T15:24:47Z

frontend/public/components/dashboard/project-dashboard/inventory-card.tsx

+    return () => {
+      stopWatchResource(resource.prop);
+      if (additionalResources) {
+        additionalResources.forEach((r) => stopWatchResource(r.prop));


same question for re. proper cleanup but for additionalResources

The same cleanup pattern mentioned earlier applies here.

logonoff · 2026-01-29T16:55:49Z

frontend/packages/console-shared/src/hooks/index.ts

 export * from './useCopyLoginCommands';
 export * from './useQuickStartContext';
 export * from './useUser';
+export * from './useDynamicK8sWatchResources';


Let's avoid introducing more exports in the console-shared barrel as it's been a big cause of import cycles and overall build slowness

Oops! Good catch! 👍
Actually, this is redundant because all the imports are already pointing directly to the file path (@console/shared/src/hooks/useDynamicK8sWatchResources). Removed!

…a hook

openshift-ci · 2026-01-30T00:17:40Z

@cajieh: all tests passed!

Full PR test history. Your PR dashboard.

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logonoff

/lgtm

openshift-ci · 2026-01-30T15:12:52Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cajieh, logonoff

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

~~frontend/OWNERS~~ [cajieh,logonoff]

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cajieh · 2026-01-30T15:29:01Z

/hold
Holding until we get a second LGTM.

QE Approver
/assign @yapei

XiyunZhao · 2026-02-02T01:45:18Z

/assign @XiyunZhao

openshift-ci-robot added the jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. label Jan 19, 2026

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openshift-ci bot requested review from jhadvig and krishagarwal278 January 19, 2026 14:00

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cajieh changed the title ~~[WIP] CONSOLE-5031: Refactor withDashboardResources in with-dashboard-resources.tsx into …~~ CONSOLE-5029: Refactor withDashboardResources in with-dashboard-resources.tsx into … Jan 22, 2026

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Refactor withDashboardResources in with-dashboard-resources.tsx into …

0165351

…a hook

cajieh force-pushed the refactor-withDashboard-resources-component branch from e0134ce to 0165351 Compare January 29, 2026 18:40

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openshift-ci bot assigned XiyunZhao Feb 2, 2026

		const [k8sVersion, setK8sVersion] = useState<Response>();
		const [k8sVersionError, setK8sVersionError] = useState();

	export const PrometheusUtilizationItem: React.FC<PrometheusUtilizationItemProps> = ({
	export const PrometheusUtilizationItem: FC<PrometheusUtilizationItemProps> = ({

	export const PrometheusMultilineUtilizationItem: React.FC<PrometheusMultilineUtilizationItemProps> = ({
	export const PrometheusMultilineUtilizationItem: FC<PrometheusMultilineUtilizationItemProps> = ({

		const resourceKey = uniqueResource(a.properties.k8sResource, index).prop;
		stopWatchResource(resourceKey);

CONSOLE-5029: Refactor withDashboardResources in with-dashboard-resources.tsx into … #15927

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CONSOLE-5029: Refactor withDashboardResources in with-dashboard-resources.tsx into … #15927

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