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>

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" },