Add Runtime Classes views (#6294)

* Show runtimeClassName in pods view

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

* Runtime Classes view

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

* Reverted formatting

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

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

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

@@ -34,6 +34,7 @@ export * from "./replica-set.api";
 export * from "./resource-quota.api";
 export * from "./role.api";
 export * from "./role-binding.api";
+export * from "./runtime-class.api";
 export * from "./secret.api";
 export * from "./self-subject-rules-reviews.api";
 export * from "./service.api";

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

@@ -677,6 +677,10 @@ export class Pod extends KubeObject<
     return this.spec?.priorityClassName || "";
   }
 
+  getRuntimeClassName() {
+    return this.spec?.runtimeClassName || "";
+  }
+
   getServiceAccountName() {
     return this.spec?.serviceAccountName || "";
   }

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

@@ -0,0 +1,22 @@
+/**
+ * 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 { RuntimeClassApi } from "./runtime-class.api";
+import { kubeApiInjectionToken } from "../kube-api/kube-api-injection-token";
+
+const runtimeClassApiInjectable = getInjectable({
+  id: "runtime-class-api",
+  instantiate: (di) => {
+    assert(di.inject(storesAndApisCanBeCreatedInjectionToken), "RuntimeClassApi is only available in certain environments");
+
+    return new RuntimeClassApi();
+  },
+
+  injectionToken: kubeApiInjectionToken,
+});
+
+export default runtimeClassApiInjectable;

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

@@ -0,0 +1,72 @@
+/**
+ * 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, Toleration } from "../kube-object";
+import { KubeObject } from "../kube-object";
+
+export interface RuntimeClassData extends KubeJsonApiData<KubeObjectMetadata<KubeObjectScope.Cluster>, void, void> {
+  handler: string;
+  overhead?: RuntimeClassOverhead;
+  scheduling?: RuntimeClassScheduling;
+}
+
+export interface RuntimeClassOverhead {
+  podFixed?: string;
+}
+
+export interface RuntimeClassScheduling {
+  nodeSelector?: Partial<Record<string, string>>;
+  tolerations?: Toleration[];
+}
+
+export class RuntimeClass extends KubeObject<
+  ClusterScopedMetadata,
+  void,
+  void
+> {
+  static readonly kind = "RuntimeClass";
+  static readonly namespaced = false;
+  static readonly apiBase = "/apis/node.k8s.io/v1/runtimeclasses";
+
+  handler: string;
+  overhead?: RuntimeClassOverhead;
+  scheduling?: RuntimeClassScheduling;
+
+  constructor({ handler, overhead, scheduling, ...rest }: RuntimeClassData) {
+    super(rest);
+    this.handler = handler;
+    this.overhead = overhead;
+    this.scheduling = scheduling;
+  }
+
+  getHandler() {
+    return this.handler;
+  }
+
+  getPodFixed() {
+    return this.overhead?.podFixed ?? "";
+  }
+
+  getNodeSelectors(): string[] {
+    return Object.entries(this.scheduling?.nodeSelector ?? {})
+      .map(values => values.join(": "));
+  }
+
+  getTolerations() {
+    return this.scheduling?.tolerations ?? [];
+  }
+}
+
+export class RuntimeClassApi extends KubeApi<RuntimeClass, RuntimeClassData> {
+  constructor(opts: DerivedKubeApiOptions = {}) {
+    super({
+      objectConstructor: RuntimeClass,
+      ...opts,
+    });
+  }
+}