feat: New view for PriorityClasses under Config menu (#5816)

* feat: new view for PriorityClass under Config menu

Signed-off-by: Piotr Roszatycki <piotr.roszatycki@gmail.com>

* Added priorityClassDetailItemInjectable

Signed-off-by: Piotr Roszatycki <piotr.roszatycki@gmail.com>

* Removed uneccessary defensive code

Signed-off-by: Piotr Roszatycki <piotr.roszatycki@gmail.com>

extensions/metrics-cluster-feature/resources/12-kube-state-metrics-clusterrole.yml

@@ -119,3 +119,10 @@ rules:
     verbs:
     - list
     - watch
+  - apiGroups:
+    - scheduling.k8s.io
+    resources:
+    - priorityclasses
+    verbs:
+    - list
+    - watch

src/common/front-end-routing/routes/cluster/config/priority-classes/navigate-to-priority-classes.injectable.ts

@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import priorityClassesRouteInjectable from "./priority-classes-route.injectable";
+import { navigateToRouteInjectionToken } from "../../../../navigate-to-route-injection-token";
+
+const navigateToPriorityClassesInjectable = getInjectable({
+  id: "navigate-to-priority-classes",
+
+  instantiate: (di) => {
+    const navigateToRoute = di.inject(navigateToRouteInjectionToken);
+    const route = di.inject(priorityClassesRouteInjectable);
+
+    return () => navigateToRoute(route);
+  },
+});
+
+export default navigateToPriorityClassesInjectable;

src/common/front-end-routing/routes/cluster/config/priority-classes/priority-classes-route.injectable.ts

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import isAllowedResourceInjectable from "../../../../../utils/is-allowed-resource.injectable";
+import { frontEndRouteInjectionToken } from "../../../../front-end-route-injection-token";
+
+const priorityClassesRouteInjectable = getInjectable({
+  id: "priority-classes-route",
+
+  instantiate: (di) => {
+    const isAllowedResource = di.inject(isAllowedResourceInjectable, "priorityclasses");
+
+    return {
+      path: "/priorityclasses",
+      clusterFrame: true,
+      isEnabled: isAllowedResource,
+    };
+  },
+
+  injectionToken: frontEndRouteInjectionToken,
+});
+
+export default priorityClassesRouteInjectable;

src/common/k8s-api/endpoints/index.ts

@@ -29,6 +29,7 @@ export * from "./pod.api";
 export * from "./pod-disruption-budget.api";
 export * from "./pod-metrics.api";
 export * from "./pod-security-policy.api";
+export * from "./priority-class.api";
 export * from "./replica-set.api";
 export * from "./resource-quota.api";
 export * from "./role.api";

src/common/k8s-api/endpoints/priority-class.api.injectable.ts

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import assert from "assert";
+import { storesAndApisCanBeCreatedInjectionToken } from "../stores-apis-can-be-created.token";
+import { PriorityClassApi } from "./priority-class.api";
+
+const priorityClassApiInjectable = getInjectable({
+  id: "priority-class-api",
+  instantiate: (di) => {
+    assert(di.inject(storesAndApisCanBeCreatedInjectionToken), "PriorityClassApi is only available in certain environments");
+
+    return new PriorityClassApi();
+  },
+});
+
+export default priorityClassApiInjectable;

src/common/k8s-api/endpoints/priority-class.api.ts

@@ -0,0 +1,66 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import type { DerivedKubeApiOptions } from "../kube-api";
+import { KubeApi } from "../kube-api";
+import type { KubeJsonApiData } from "../kube-json-api";
+import type { ClusterScopedMetadata, KubeObjectMetadata, KubeObjectScope } from "../kube-object";
+import { KubeObject } from "../kube-object";
+import type { PreemptionPolicy } from "./types/preemption-policy";
+
+export interface PriorityClassData extends KubeJsonApiData<KubeObjectMetadata<KubeObjectScope.Cluster>, void, void> {
+  description?: string;
+  globalDefault?: boolean;
+  preemptionPolicy?: PreemptionPolicy;
+  value: number;
+}
+
+export class PriorityClass extends KubeObject<
+  ClusterScopedMetadata,
+  void,
+  void
+> {
+  static readonly kind = "PriorityClass";
+  static readonly namespaced = false;
+  static readonly apiBase = "/apis/scheduling.k8s.io/v1/priorityclasses";
+
+  description?: string;
+  globalDefault?: boolean;
+  preemptionPolicy?: PreemptionPolicy;
+  value?: number;
+
+  constructor({ description, globalDefault, preemptionPolicy, value, ...rest }: PriorityClassData) {
+    super(rest);
+    this.description = description;
+    this.globalDefault = globalDefault;
+    this.preemptionPolicy = preemptionPolicy;
+    this.value = value;
+  }
+
+  getDescription() {
+    return this.description || "";
+  }
+
+  getGlobalDefault() {
+    return (this.globalDefault || false).toString();
+  }
+
+  getPreemptionPolicy() {
+    return this.preemptionPolicy || "PreemptLowerPriority";
+  }
+
+  getValue() {
+    return this.value;
+  }
+}
+
+export class PriorityClassApi extends KubeApi<PriorityClass, PriorityClassData> {
+  constructor(opts: DerivedKubeApiOptions = {}) {
+    super({
+      objectConstructor: PriorityClass,
+      ...opts,
+    });
+  }
+}

src/common/k8s-api/endpoints/types/preemption-policy.ts

@@ -0,0 +1,6 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+export type PreemptionPolicy = "Never" | "PreemptLowerPriority";

src/common/rbac.ts

@@ -7,7 +7,7 @@ export type KubeResource =
   "namespaces" | "nodes" | "events" | "resourcequotas" | "services" | "limitranges" |
   "secrets" | "configmaps" | "ingresses" | "networkpolicies" | "persistentvolumeclaims" | "persistentvolumes" | "storageclasses" |
   "pods" | "daemonsets" | "deployments" | "statefulsets" | "replicasets" | "jobs" | "cronjobs" |
-  "endpoints" | "customresourcedefinitions" | "horizontalpodautoscalers" | "podsecuritypolicies" | "poddisruptionbudgets" |
+  "endpoints" | "customresourcedefinitions" | "horizontalpodautoscalers" | "podsecuritypolicies" | "poddisruptionbudgets" | "priorityclasses" |
   "roles" | "clusterroles" | "rolebindings" | "clusterrolebindings" | "serviceaccounts";
 
 export interface KubeApiResource extends KubeApiResourceData {
@@ -41,6 +41,7 @@ export const apiResourceRecord: Record<KubeResource, KubeApiResourceData> = {
   "pods": { kind: "Pod" },
   "poddisruptionbudgets": { kind: "PodDisruptionBudget", group: "policy" },
   "podsecuritypolicies": { kind: "PodSecurityPolicy", group: "policy" },
+  "priorityclasses": { kind: "PriorityClass", group: "scheduling.k8s.io" },
   "resourcequotas": { kind: "ResourceQuota" },
   "replicasets": { kind: "ReplicaSet", group: "apps" },
   "roles": { kind: "Role", group: "rbac.authorization.k8s.io" },

src/extensions/common-api/k8s-api.ts

@@ -67,6 +67,7 @@ export {
   LimitRange,
   HorizontalPodAutoscaler,
   PodDisruptionBudget,
+  PriorityClass,
   Service,
   Endpoints as Endpoint,
   Ingress, IngressApi,

src/extensions/renderer-api/k8s-api.ts

@@ -25,6 +25,7 @@ import resourceQuotaApiInjectable from "../../common/k8s-api/endpoints/resource-
 import limitRangeApiInjectable from "../../common/k8s-api/endpoints/limit-range.api.injectable";
 import horizontalPodAutoscalerApiInjectable from "../../common/k8s-api/endpoints/horizontal-pod-autoscaler.api.injectable";
 import podDisruptionBudgetApiInjectable from "../../common/k8s-api/endpoints/pod-disruption-budget.api.injectable";
+import priorityClassStoreApiInjectable from "../../common/k8s-api/endpoints/priority-class.api.injectable";
 import serviceApiInjectable from "../../common/k8s-api/endpoints/service.api.injectable";
 import endpointsApiInjectable from "../../common/k8s-api/endpoints/endpoint.api.injectable";
 import ingressApiInjectable from "../../common/k8s-api/endpoints/ingress.api.injectable";
@@ -68,6 +69,7 @@ export const limitRangeApi = asLegacyGlobalForExtensionApi(limitRangeApiInjectab
 export const serviceApi = asLegacyGlobalForExtensionApi(serviceApiInjectable);
 export const hpaApi = asLegacyGlobalForExtensionApi(horizontalPodAutoscalerApiInjectable);
 export const pdbApi = asLegacyGlobalForExtensionApi(podDisruptionBudgetApiInjectable);
+export const pcApi = asLegacyGlobalForExtensionApi(priorityClassStoreApiInjectable);
 export const endpointApi = asLegacyGlobalForExtensionApi(endpointsApiInjectable);
 export const ingressApi = asLegacyGlobalForExtensionApi(ingressApiInjectable);
 export const networkPolicyApi = asLegacyGlobalForExtensionApi(networkPolicyApiInjectable);
@@ -102,6 +104,7 @@ export type { ResourceQuotaStore as ResourceQuotasStore } from "../../renderer/c
 export type { LimitRangeStore as LimitRangesStore } from "../../renderer/components/+config-limit-ranges/store";
 export type { HorizontalPodAutoscalerStore as HPAStore } from "../../renderer/components/+config-autoscalers/store";
 export type { PodDisruptionBudgetStore as PodDisruptionBudgetsStore } from "../../renderer/components/+config-pod-disruption-budgets/store";
+export type { PriorityClassStore as PriorityClassStoreStore } from "../../renderer/components/+config-priority-classes/store";
 export type { ServiceStore } from "../../renderer/components/+network-services/store";
 export type { EndpointsStore as EndpointStore } from "../../renderer/components/+network-endpoints/store";
 export type { IngressStore } from "../../renderer/components/+network-ingresses/store";

src/renderer/components/+config-priority-classes/index.ts

@@ -0,0 +1,7 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+export * from "./priority-classes";
+export * from "./priority-classes-details";

src/renderer/components/+config-priority-classes/priority-classes-details.scss

@@ -0,0 +1,6 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+.PriorityClassesDetails {}

src/renderer/components/+config-priority-classes/priority-classes-details.tsx

@@ -0,0 +1,43 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import "./priority-classes.scss";
+
+import React from "react";
+import { observer } from "mobx-react";
+import { DrawerItem } from "../drawer";
+import type { KubeObjectDetailsProps } from "../kube-object-details";
+import type { PriorityClass } from "../../../common/k8s-api/endpoints";
+import { KubeObjectMeta } from "../kube-object-meta";
+
+export interface PriorityClassesDetailsProps extends KubeObjectDetailsProps<PriorityClass> {
+}
+
+@observer
+export class PriorityClassesDetails extends React.Component<PriorityClassesDetailsProps> {
+
+  render() {
+    const { object: pc } = this.props;
+
+    return (
+      <div className="PriorityClassesDetails">
+        <KubeObjectMeta object={pc} />
+
+        <DrawerItem name="Description">
+          {pc.getDescription()}
+        </DrawerItem>
+
+        <DrawerItem name="Value">
+          {pc.getValue()}
+        </DrawerItem>
+
+        <DrawerItem name="Global Default">
+          {pc.getGlobalDefault()}
+        </DrawerItem>
+
+      </div>
+    );
+  }
+}

src/renderer/components/+config-priority-classes/priority-classes-items.injectable.tsx

@@ -0,0 +1,38 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import { computed } from "mobx";
+
+import priorityClassesRouteInjectable from "../../../common/front-end-routing/routes/cluster/config/priority-classes/priority-classes-route.injectable";
+import { configSidebarItemId } from "../+config/config-sidebar-items.injectable";
+import { sidebarItemsInjectionToken } from "../layout/sidebar-items.injectable";
+import routeIsActiveInjectable from "../../routes/route-is-active.injectable";
+import navigateToPriorityClassesInjectable from "../../../common/front-end-routing/routes/cluster/config/priority-classes/navigate-to-priority-classes.injectable";
+
+const priorityClassesSidebarItemsInjectable = getInjectable({
+  id: "priority-classes-sidebar-items",
+
+  instantiate: (di) => {
+    const route = di.inject(priorityClassesRouteInjectable);
+    const navigateToPriorityClasses = di.inject(navigateToPriorityClassesInjectable);
+    const routeIsActive = di.inject(routeIsActiveInjectable, route);
+
+    return computed(() => [
+      {
+        id: "priority-classes",
+        parentId: configSidebarItemId,
+        title: "Priority Classes",
+        onClick: navigateToPriorityClasses,
+        isActive: routeIsActive,
+        isVisible: route.isEnabled,
+        orderNumber: 60,
+      },
+    ]);
+  },
+
+  injectionToken: sidebarItemsInjectionToken,
+});
+
+export default priorityClassesSidebarItemsInjectable;

src/renderer/components/+config-priority-classes/priority-classes-route-component.injectable.ts

@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import { PriorityClasses } from "./priority-classes";
+import priorityClassesRouteInjectable from "../../../common/front-end-routing/routes/cluster/config/priority-classes/priority-classes-route.injectable";
+import { routeSpecificComponentInjectionToken } from "../../routes/route-specific-component-injection-token";
+
+const podDisruptionBudgetsRouteComponentInjectable = getInjectable({
+  id: "priority-classes-route-component",
+
+  instantiate: (di) => ({
+    route: di.inject(priorityClassesRouteInjectable),
+    Component: PriorityClasses,
+  }),
+
+  injectionToken: routeSpecificComponentInjectionToken,
+});
+
+export default podDisruptionBudgetsRouteComponentInjectable;

src/renderer/components/+config-priority-classes/priority-classes.scss

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+.PriorityClasses {
+  .TableCell {
+    &.name {
+      flex: 2;
+    }
+
+    &.warning {
+      @include table-cell-warning;
+    }
+
+    &.keys {
+      flex: 2.5;
+    }
+
+    &.age {
+      flex: .5;
+    }
+  }
+}

src/renderer/components/+config-priority-classes/priority-classes.tsx

@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import "./priority-classes.scss";
+
+import * as React from "react";
+import { observer } from "mobx-react";
+import type { PriorityClass } from "../../../common/k8s-api/endpoints/priority-class.api";
+import { KubeObjectStatusIcon } from "../kube-object-status-icon";
+import type { KubeObjectDetailsProps } from "../kube-object-details";
+import { KubeObjectListLayout } from "../kube-object-list-layout";
+import { SiblingsInTabLayout } from "../layout/siblings-in-tab-layout";
+import { KubeObjectAge } from "../kube-object/age";
+import { autoBind } from "../../../common/utils";
+import { withInjectables } from "@ogre-tools/injectable-react";
+import priorityClassStoreInjectable from "./store.injectable";
+import type { PriorityClassStore } from "./store";
+
+enum columnId {
+  name = "name",
+  value = "value",
+  globalDefault = "global-default",
+  age = "age",
+}
+
+export interface PriorityClassesProps extends KubeObjectDetailsProps<PriorityClass> {
+}
+
+interface Dependencies {
+  priorityClassStore: PriorityClassStore;
+}
+
+@observer
+class NonInjectedPriorityClasses extends React.Component<PriorityClassesProps & Dependencies> {
+  constructor(props: PriorityClassesProps & Dependencies) {
+    super(props);
+    autoBind(this);
+  }
+
+  render() {
+    const { priorityClassStore } = this.props;
+
+    return (
+      <SiblingsInTabLayout>
+        <KubeObjectListLayout
+          isConfigurable
+          tableId="configuration_priority_classes"
+          className="PriorityClasses"
+          store={priorityClassStore}
+          sortingCallbacks={{
+            [columnId.name]: pc => pc.getName(),
+            [columnId.value]: pc => pc.getValue(),
+            [columnId.globalDefault]: pc => pc.getGlobalDefault(),
+            [columnId.age]: pc => -pc.getCreationTimestamp(),
+          }}
+          searchFilters={[
+            pc => pc.getSearchFields(),
+          ]}
+          renderHeaderTitle="Priority Classes"
+          renderTableHeader={[
+            { title: "Name", className: "name", sortBy: columnId.name, id: columnId.name },
+            { className: "warning", showWithColumn: columnId.name },
+            { title: "Value", className: "value", sortBy: columnId.value, id: columnId.value },
+            { title: "Global Default", className: "global-default", sortBy: columnId.globalDefault, id: columnId.globalDefault },
+            { title: "Age", className: "age", sortBy: columnId.age, id: columnId.age },
+          ]}
+          renderTableContents={pc => [
+            pc.getName(),
+            <KubeObjectStatusIcon key="icon" object={pc} />,
+            pc.getValue(),
+            pc.getGlobalDefault(),
+            <KubeObjectAge key="age" object={pc} />,
+          ]}
+        />
+      </SiblingsInTabLayout>
+    );
+  }
+}
+
+export const PriorityClasses = withInjectables<Dependencies, PriorityClassesProps>(NonInjectedPriorityClasses, {
+  getProps: (di, props) => ({
+    ...props,
+    priorityClassStore: di.inject(priorityClassStoreInjectable),
+  }),
+});

src/renderer/components/+config-priority-classes/store.injectable.ts

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import assert from "assert";
+import { kubeObjectStoreInjectionToken } from "../../../common/k8s-api/api-manager/manager.injectable";
+import priorityClassApiInjectable from "../../../common/k8s-api/endpoints/priority-class.api.injectable";
+import storesAndApisCanBeCreatedInjectable from "../../stores-apis-can-be-created.injectable";
+import { PriorityClassStore } from "./store";
+
+const priorityClassStoreInjectable = getInjectable({
+  id: "priority-class-store",
+  instantiate: (di) => {
+    assert(di.inject(storesAndApisCanBeCreatedInjectable), "priorityClassStore is only available in certain environments");
+
+    const api = di.inject(priorityClassApiInjectable);
+
+    return new PriorityClassStore(api);
+  },
+  injectionToken: kubeObjectStoreInjectionToken,
+});
+
+export default priorityClassStoreInjectable;

src/renderer/components/+config-priority-classes/store.ts

@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import { KubeObjectStore } from "../../../common/k8s-api/kube-object.store";
+import type { PriorityClass, PriorityClassApi } from "../../../common/k8s-api/endpoints/priority-class.api";
+
+export class PriorityClassStore extends KubeObjectStore<PriorityClass, PriorityClassApi> {
+}

src/renderer/components/command-palette/registered-commands/internal-commands.injectable.tsx

@@ -24,13 +24,14 @@ import navigateToResourceQuotasInjectable from "../../../../common/front-end-rou
 import navigateToLimitRangesInjectable from "../../../../common/front-end-routing/routes/cluster/config/limit-ranges/navigate-to-limit-ranges.injectable";
 import navigateToHorizontalPodAutoscalersInjectable from "../../../../common/front-end-routing/routes/cluster/config/horizontal-pod-autoscalers/navigate-to-horizontal-pod-autoscalers.injectable";
 import navigateToPodDisruptionBudgetsInjectable from "../../../../common/front-end-routing/routes/cluster/config/pod-disruption-budgets/navigate-to-pod-disruption-budgets.injectable";
+import navigateToPriorityClassesInjectable from "../../../../common/front-end-routing/routes/cluster/config/priority-classes/navigate-to-priority-classes.injectable";
 import navigateToServicesInjectable from "../../../../common/front-end-routing/routes/cluster/network/services/navigate-to-services.injectable";
 import navigateToEndpointsInjectable from "../../../../common/front-end-routing/routes/cluster/network/endpoints/navigate-to-endpoints.injectable";
 import navigateToIngressesInjectable from "../../../../common/front-end-routing/routes/cluster/network/ingresses/navigate-to-ingresses.injectable";
 import navigateToNetworkPoliciesInjectable from "../../../../common/front-end-routing/routes/cluster/network/network-policies/navigate-to-network-policies.injectable";
 import navigateToNodesInjectable from "../../../../common/front-end-routing/routes/cluster/nodes/navigate-to-nodes.injectable";
 import navigateToPodsInjectable from "../../../../common/front-end-routing/routes/cluster/workloads/pods/navigate-to-pods.injectable";
-import navigateToDeploymentsInjectable  from "../../../../common/front-end-routing/routes/cluster/workloads/deployments/navigate-to-deployments.injectable";
+import navigateToDeploymentsInjectable from "../../../../common/front-end-routing/routes/cluster/workloads/deployments/navigate-to-deployments.injectable";
 import navigateToDaemonsetsInjectable from "../../../../common/front-end-routing/routes/cluster/workloads/daemonsets/navigate-to-daemonsets.injectable";
 import navigateToStatefulsetsInjectable from "../../../../common/front-end-routing/routes/cluster/workloads/statefulsets/navigate-to-statefulsets.injectable";
 import navigateToJobsInjectable from "../../../../common/front-end-routing/routes/cluster/workloads/jobs/navigate-to-jobs.injectable";
@@ -57,6 +58,7 @@ interface Dependencies {
   navigateToLimitRanges: () => void;
   navigateToHorizontalPodAutoscalers: () => void;
   navigateToPodDisruptionBudgets: () => void;
+  navigateToPriorityClasses: () => void;
   navigateToServices: () => void;
   navigateToEndpoints: () => void;
   navigateToIngresses: () => void;
@@ -127,6 +129,12 @@ function getInternalCommands(dependencies: Dependencies): CommandRegistration[]
       isActive: isKubernetesClusterActive,
       action: () => dependencies.navigateToPodDisruptionBudgets(),
     },
+    {
+      id: "cluster.viewPriorityClasses",
+      title: "Cluster: View PriorityClasses",
+      isActive: isKubernetesClusterActive,
+      action: () => dependencies.navigateToPriorityClasses(),
+    },
     {
       id: "cluster.viewServices",
       title: "Cluster: View Services",
@@ -258,6 +266,7 @@ const internalCommandsInjectable = getInjectable({
     navigateToLimitRanges: di.inject(navigateToLimitRangesInjectable),
     navigateToHorizontalPodAutoscalers: di.inject(navigateToHorizontalPodAutoscalersInjectable),
     navigateToPodDisruptionBudgets: di.inject(navigateToPodDisruptionBudgetsInjectable),
+    navigateToPriorityClasses: di.inject(navigateToPriorityClassesInjectable),
     navigateToServices: di.inject(navigateToServicesInjectable),
     navigateToEndpoints: di.inject(navigateToEndpointsInjectable),
     navigateToIngresses: di.inject(navigateToIngressesInjectable),

src/renderer/components/kube-object-details/kube-object-detail-items/implementations/priority-class-detail-item.injectable.ts

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import { kubeObjectDetailItemInjectionToken } from "../kube-object-detail-item-injection-token";
+import { computed } from "mobx";
+import { PriorityClassesDetails } from "../../../+config-priority-classes";
+import { kubeObjectMatchesToKindAndApiVersion } from "../kube-object-matches-to-kind-and-api-version";
+import currentKubeObjectInDetailsInjectable from "../../current-kube-object-in-details.injectable";
+
+const priorityClassDetailItemInjectable = getInjectable({
+  id: "priority-class-detail-item",
+
+  instantiate: (di) => {
+    const kubeObject = di.inject(currentKubeObjectInDetailsInjectable);
+
+    return {
+      Component: PriorityClassesDetails,
+      enabled: computed(() => isPriorityClass(kubeObject.get())),
+      orderNumber: 10,
+    };
+  },
+
+  injectionToken: kubeObjectDetailItemInjectionToken,
+});
+
+const isPriorityClass = kubeObjectMatchesToKindAndApiVersion(
+  "PriorityClass",
+  ["scheduling.k8s.io/v1"],
+);
+
+export default priorityClassDetailItemInjectable;

src/renderer/utils/rbac.ts

@@ -31,6 +31,7 @@ export const ResourceNames: Record<KubeResource, string> = {
   "horizontalpodautoscalers": "Horizontal Pod Autoscalers",
   "podsecuritypolicies": "Pod Security Policies",
   "poddisruptionbudgets": "Pod Disruption Budgets",
+  "priorityclasses": "Priority Classes",
   "limitranges": "Limit Ranges",
   "roles": "Roles",
   "rolebindings": "Role Bindings",

templates/create-resource/ClusterRole.yaml

@@ -196,3 +196,11 @@ rules:
       - get
       - list
       - watch
+  - apiGroups:
+      - scheduling.k8s.io
+    resources:
+      - priorityclass
+    verbs:
+      - get
+      - list
+      - watch

templates/create-resource/PriorityClass.yaml

@@ -0,0 +1,8 @@
+apiVersion: scheduling.k8s.io/v1
+kind: PriorityClass
+metadata:
+  name: overprovisioning
+description: Priority class used by overprovisioning.
+preemptionPolicy: PreemptLowerPriority
+globalDefault: false
+value: -1