Add support for PodDisruptionBudgets (#452)

Signed-off-by: Dan Slinky <dan-slinky@cookpad.jp>

src/renderer/api/endpoints/index.ts

@@ -28,3 +28,4 @@ export * from "./storage-class.api"
 export * from "./pod-metrics.api"
 export * from "./podsecuritypolicy.api"
 export * from "./selfsubjectrulesreviews.api"
+export * from "./poddisruptionbudget.api"

src/renderer/api/endpoints/poddisruptionbudget.api.ts

@@ -0,0 +1,49 @@
+import { autobind } from "../../utils";
+import { KubeObject } from "../kube-object";
+import { KubeApi } from "../kube-api";
+
+@autobind()
+export class PodDisruptionBudget extends KubeObject {
+  static kind = "PodDisruptionBudget";
+
+  spec: {
+    minAvailable: string;
+    maxUnavailable: string;
+    selector: { matchLabels: { [app: string]: string } };
+  }
+  status: {
+    currentHealthy: number
+    desiredHealthy: number
+    disruptionsAllowed: number
+    expectedPods: number
+  }
+
+  getSelectors() {
+    const selector = this.spec.selector;
+    return KubeObject.stringifyLabels(selector ? selector.matchLabels : null);
+  }
+
+  getMinAvailable() {
+    return this.spec.minAvailable || "N/A";
+  }
+
+  getMaxUnavailable() {
+    return this.spec.maxUnavailable || "N/A";
+  }
+
+  getCurrentHealthy() {
+    return this.status.currentHealthy;
+  }
+
+  getDesiredHealthy() {
+    return this.status.desiredHealthy;
+  }
+
+}
+
+export const pdbApi = new KubeApi({
+  kind: PodDisruptionBudget.kind,
+  apiBase: "/apis/policy/v1beta1/poddisruptionbudgets",
+  isNamespaced: true,
+  objectConstructor: PodDisruptionBudget,
+});