TLS cert per cluster for lens-k8s-proxy (#5081)

Co-authored-by: Sebastian Malton <sebastian@malton.name>

package.json

@@ -44,7 +44,7 @@
     "postversion": "git push --set-upstream ${GIT_REMOTE:-origin} release/v$npm_package_version"
   },
   "config": {
-    "k8sProxyVersion": "0.1.5",
+    "k8sProxyVersion": "0.2.1",
     "bundledKubectlVersion": "1.23.3",
     "bundledHelmVersion": "3.7.2",
     "sentryDsn": ""

src/common/__tests__/cluster-store.test.ts

@@ -24,8 +24,6 @@ import { createClusterInjectionToken } from "../cluster/create-cluster-injection
 
 import directoryForUserDataInjectable
   from "../app-paths/directory-for-user-data/directory-for-user-data.injectable";
-import kubeAuthProxyCaInjectable from "../../main/kube-auth-proxy/kube-auth-proxy-ca.injectable";
-import createKubeAuthProxyCertFilesInjectable from "../../main/kube-auth-proxy/create-kube-auth-proxy-cert-files.injectable";
 
 console = new Console(stdout, stderr);
 
@@ -89,8 +87,6 @@ describe("cluster-store", () => {
     mainDi = dis.mainDi;
 
     mainDi.override(directoryForUserDataInjectable, () => "some-directory-for-user-data");
-    mainDi.override(createKubeAuthProxyCertFilesInjectable, () => ({} as any));
-    mainDi.override(kubeAuthProxyCaInjectable, () => ({} as any));
 
     await dis.runSetups();
 

src/main/__test__/context-handler.test.ts

@@ -10,7 +10,6 @@ import mockFs from "mock-fs";
 import { getDiForUnitTesting } from "../getDiForUnitTesting";
 import createContextHandlerInjectable from "../context-handler/create-context-handler.injectable";
 import type { Cluster } from "../../common/cluster/cluster";
-import kubeAuthProxyCaInjectable from "../kube-auth-proxy/kube-auth-proxy-ca.injectable";
 import createKubeAuthProxyInjectable from "../kube-auth-proxy/create-kube-auth-proxy.injectable";
 
 jest.mock("electron", () => ({
@@ -83,7 +82,6 @@ describe("ContextHandler", () => {
     });
 
     di.override(createKubeAuthProxyInjectable, () => ({} as any));
-    di.override(kubeAuthProxyCaInjectable, () => ({} as any));
 
     await di.runSetups();
 

src/main/__test__/kube-auth-proxy.test.ts

@@ -52,8 +52,6 @@ import createKubeAuthProxyInjectable from "../kube-auth-proxy/create-kube-auth-p
 import { createClusterInjectionToken } from "../../common/cluster/create-cluster-injection-token";
 import path from "path";
 import spawnInjectable from "../child-process/spawn.injectable";
-import kubeAuthProxyCaInjectable from "../kube-auth-proxy/kube-auth-proxy-ca.injectable";
-import createKubeAuthProxyCertFilesInjectable from "../kube-auth-proxy/create-kube-auth-proxy-cert-files.injectable";
 
 console = new Console(stdout, stderr);
 
@@ -97,8 +95,6 @@ describe("kube auth proxy tests", () => {
     const di = getDiForUnitTesting({ doGeneralOverrides: true });
 
     di.override(spawnInjectable, () => mockSpawn);
-    di.override(createKubeAuthProxyCertFilesInjectable, () => ({} as any));
-    di.override(kubeAuthProxyCaInjectable, () => ({} as any));
 
     mockFs(mockMinikubeConfig);
 

src/main/catalog-sources/__test__/kubeconfig-sync.test.ts

@@ -14,11 +14,8 @@ import { ClusterManager } from "../../cluster-manager";
 import clusterStoreInjectable from "../../../common/cluster-store/cluster-store.injectable";
 import { getDiForUnitTesting } from "../../getDiForUnitTesting";
 import { createClusterInjectionToken } from "../../../common/cluster/create-cluster-injection-token";
-import directoryForKubeConfigsInjectable
-  from "../../../common/app-paths/directory-for-kube-configs/directory-for-kube-configs.injectable";
-import kubeAuthProxyCaInjectable from "../../kube-auth-proxy/kube-auth-proxy-ca.injectable";
-import createKubeAuthProxyCertFilesInjectable from "../../kube-auth-proxy/create-kube-auth-proxy-cert-files.injectable";
-
+import directoryForKubeConfigsInjectable from "../../../common/app-paths/directory-for-kube-configs/directory-for-kube-configs.injectable";
+import { ClusterStore } from "../../../common/cluster-store/cluster-store";
 
 jest.mock("electron", () => ({
   app: {
@@ -42,9 +39,6 @@ describe("kubeconfig-sync.source tests", () => {
   beforeEach(async () => {
     const di = getDiForUnitTesting({ doGeneralOverrides: true });
 
-    di.override(kubeAuthProxyCaInjectable, () => Promise.resolve(Buffer.from("ca")));
-    di.override(createKubeAuthProxyCertFilesInjectable, () => ({} as any));
-
     mockFs();
 
     await di.runSetups();
@@ -62,6 +56,7 @@ describe("kubeconfig-sync.source tests", () => {
   afterEach(() => {
     mockFs.restore();
     ClusterManager.resetInstance();
+    ClusterStore.resetInstance();
   });
 
   describe("configsToModels", () => {

src/main/context-handler/context-handler.ts

@@ -28,7 +28,7 @@ interface PrometheusServicePreferences {
 
 interface Dependencies {
   createKubeAuthProxy: CreateKubeAuthProxy;
-  authProxyCa: Promise<Buffer>;
+  authProxyCa: string;
 }
 
 export class ContextHandler {
@@ -123,7 +123,7 @@ export class ContextHandler {
     return `https://127.0.0.1:${this.kubeAuthProxy.port}${this.kubeAuthProxy.apiPrefix}${path}`;
   }
 
-  async resolveAuthProxyCa() {
+  resolveAuthProxyCa() {
     return this.dependencies.authProxyCa;
   }
 
@@ -140,7 +140,7 @@ export class ContextHandler {
   protected async newApiTarget(timeout: number): Promise<httpProxy.ServerOptions> {
     await this.ensureServer();
 
-    const caFileContents = await this.resolveAuthProxyCa();
+    const ca = this.dependencies.authProxyCa;
     const clusterPath = this.clusterUrl.path !== "/" ? this.clusterUrl.path : "";
     const apiPrefix = `${this.kubeAuthProxy.apiPrefix}${clusterPath}`;
 
@@ -150,7 +150,7 @@ export class ContextHandler {
         host: "127.0.0.1",
         port: this.kubeAuthProxy.port,
         path: apiPrefix,
-        ca: caFileContents.toString(),
+        ca,
       },
       changeOrigin: true,
       timeout,

src/main/context-handler/create-context-handler.injectable.ts

@@ -3,23 +3,27 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 import { getInjectable } from "@ogre-tools/injectable";
+import selfsigned from "selfsigned";
 import type { Cluster } from "../../common/cluster/cluster";
 import { ContextHandler } from "./context-handler";
 import createKubeAuthProxyInjectable from "../kube-auth-proxy/create-kube-auth-proxy.injectable";
-import kubeAuthProxyCaInjectable from "../kube-auth-proxy/kube-auth-proxy-ca.injectable";
+import { getKubeAuthProxyCertificate } from "../kube-auth-proxy/get-kube-auth-proxy-certificate";
+import URLParse from "url-parse";
 
 const createContextHandlerInjectable = getInjectable({
   id: "create-context-handler",
 
   instantiate: (di) => {
-    const authProxyCa = di.inject(kubeAuthProxyCaInjectable);
+    return (cluster: Cluster) => {
+      const clusterUrl = new URLParse(cluster.apiUrl);
 
       const dependencies = {
         createKubeAuthProxy: di.inject(createKubeAuthProxyInjectable),
-      authProxyCa,
+        authProxyCa: getKubeAuthProxyCertificate(clusterUrl.hostname, selfsigned.generate).cert,
       };
 
-    return (cluster: Cluster) => new ContextHandler(dependencies, cluster);
+      return new ContextHandler(dependencies, cluster);
+    };
   },
 });
 

src/main/kube-auth-proxy/create-kube-auth-proxy-cert-files.injectable.ts

@@ -1,26 +0,0 @@
-/**
- * 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 * as selfsigned from "selfsigned";
-import { createKubeAuthProxyCertFiles } from "./create-kube-auth-proxy-cert-files";
-import writeFileInjectable from "../../common/fs/write-file.injectable";
-import directoryForUserDataInjectable from "../../common/app-paths/directory-for-user-data/directory-for-user-data.injectable";
-import path from "path";
-
-const createKubeAuthProxyCertFilesInjectable = getInjectable({
-  id: "create-kube-auth-proxy-cert-files",
-
-  instantiate: async (di) => {
-    const userData = di.inject(directoryForUserDataInjectable);
-    const certPath = path.join(userData, "kube-auth-proxy");
-    
-    return createKubeAuthProxyCertFiles(certPath, {
-      generate: selfsigned.generate, 
-      writeFile: di.inject(writeFileInjectable),
-    });
-  },
-});
-
-export default createKubeAuthProxyCertFilesInjectable;

src/main/kube-auth-proxy/create-kube-auth-proxy-cert-files.ts

@@ -1,43 +0,0 @@
-/**
- * Copyright (c) OpenLens Authors. All rights reserved.
- * Licensed under MIT License. See LICENSE in root directory for more information.
- */
-
-import path from "path";
-import type * as selfsigned from "selfsigned";
-
-type SelfSignedGenerate = typeof selfsigned.generate;
-
-interface CreateKubeAuthProxyCertificateFilesDependencies {
-  generate: SelfSignedGenerate;
-  writeFile: (path: string, content: string | Buffer) => Promise<void>;
-}
-
-function getKubeAuthProxyCertificate(generate: SelfSignedGenerate): selfsigned.SelfSignedCert {
-  const opts = [
-    { name: "commonName", value: "Lens Certificate Authority" },
-    { name: "organizationName", value: "Lens" },
-  ];
-
-  return generate(opts, {
-    keySize: 2048,
-    algorithm: "sha256",
-    days: 365,
-    extensions: [
-      { name: "basicConstraints", cA: true },
-      { name: "subjectAltName", altNames: [
-        { type: 2, value: "localhost" },
-        { type: 7, ip: "127.0.0.1" },
-      ] },
-    ],
-  });
-}
-
-export async function createKubeAuthProxyCertFiles(dir: string, dependencies: CreateKubeAuthProxyCertificateFilesDependencies): Promise<string> {
-  const cert = getKubeAuthProxyCertificate(dependencies.generate);
-
-  await dependencies.writeFile(path.join(dir, "proxy.key"), cert.private);
-  await dependencies.writeFile(path.join(dir, "proxy.crt"), cert.cert);
-
-  return dir;
-}

src/main/kube-auth-proxy/create-kube-auth-proxy.injectable.ts

@@ -6,10 +6,11 @@ import { getInjectable } from "@ogre-tools/injectable";
 import { KubeAuthProxy, KubeAuthProxyDependencies } from "./kube-auth-proxy";
 import type { Cluster } from "../../common/cluster/cluster";
 import path from "path";
+import selfsigned from "selfsigned";
 import { getBinaryName } from "../../common/vars";
 import directoryForBundledBinariesInjectable from "../../common/app-paths/directory-for-bundled-binaries/directory-for-bundled-binaries.injectable";
 import spawnInjectable from "../child-process/spawn.injectable";
-import createKubeAuthProxyCertFilesInjectable from "./create-kube-auth-proxy-cert-files.injectable";
+import { getKubeAuthProxyCertificate } from "./get-kube-auth-proxy-certificate";
 
 export type CreateKubeAuthProxy = (cluster: Cluster, environmentVariables: NodeJS.ProcessEnv) => KubeAuthProxy;
 
@@ -18,15 +19,17 @@ const createKubeAuthProxyInjectable = getInjectable({
 
   instantiate: (di): CreateKubeAuthProxy => {
     const binaryName = getBinaryName("lens-k8s-proxy");
+
+    return (cluster: Cluster, environmentVariables: NodeJS.ProcessEnv) => {
+      const clusterUrl = new URL(cluster.apiUrl);
       const dependencies: KubeAuthProxyDependencies = {
         proxyBinPath: path.join(di.inject(directoryForBundledBinariesInjectable), binaryName),
-      proxyCertPath: di.inject(createKubeAuthProxyCertFilesInjectable),
+        proxyCert: getKubeAuthProxyCertificate(clusterUrl.hostname, selfsigned.generate),
         spawn: di.inject(spawnInjectable),
       };
 
-    return (cluster: Cluster, environmentVariables: NodeJS.ProcessEnv) => (
-      new KubeAuthProxy(dependencies, cluster, environmentVariables)
-    );
+      return new KubeAuthProxy(dependencies, cluster, environmentVariables);
+    };
   },
 });
 

src/main/kube-auth-proxy/get-kube-auth-proxy-certificate.ts

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import type * as selfsigned from "selfsigned";
+
+type SelfSignedGenerate = typeof selfsigned.generate;
+
+const certCache: Map<string, selfsigned.SelfSignedCert> = new Map();
+
+export function getKubeAuthProxyCertificate(hostname: string, generate: SelfSignedGenerate, useCache = true): selfsigned.SelfSignedCert {
+  if (useCache && certCache.has(hostname)) {
+    return certCache.get(hostname);
+  }
+
+  const opts = [
+    { name: "commonName", value: "Lens Certificate Authority" },
+    { name: "organizationName", value: "Lens" },
+  ];
+
+  const cert = generate(opts, {
+    keySize: 2048,
+    algorithm: "sha256",
+    days: 365,
+    extensions: [
+      { name: "basicConstraints", cA: true },
+      { name: "subjectAltName", altNames: [
+        { type: 2, value: hostname },
+        { type: 2, value: "localhost" },
+        { type: 7, ip: "127.0.0.1" },
+      ] },
+    ],
+  });
+
+  certCache.set(hostname, cert);
+
+  return cert;
+}

src/main/kube-auth-proxy/kube-auth-proxy-ca.injectable.ts

@@ -1,22 +0,0 @@
-/**
- * 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 path from "path";
-import readFileInjectable from "../../common/fs/read-file.injectable";
-import createKubeAuthProxyCertFilesInjectable from "./create-kube-auth-proxy-cert-files.injectable";
-
-const kubeAuthProxyCaInjectable = getInjectable({
-  id: "kube-auth-proxy-ca",
-
-  instantiate: async (di) => {
-    const certPath = await di.inject(createKubeAuthProxyCertFilesInjectable);
-    
-    const readFile = di.inject(readFileInjectable);
-
-    return readFile(path.join(certPath, "proxy.crt"));
-  },
-});
-
-export default kubeAuthProxyCaInjectable;

src/main/kube-auth-proxy/kube-auth-proxy.ts

@@ -10,12 +10,13 @@ import type { Cluster } from "../../common/cluster/cluster";
 import logger from "../logger";
 import { getPortFrom } from "../utils/get-port";
 import { makeObservable, observable, when } from "mobx";
+import type { SelfSignedCert } from "selfsigned";
 
 const startingServeRegex = /starting to serve on (?<address>.+)/i;
 
 export interface KubeAuthProxyDependencies {
   proxyBinPath: string;
-  proxyCertPath: Promise<string>;
+  proxyCert: SelfSignedCert;
   spawn: typeof spawn;
 }
 
@@ -44,7 +45,7 @@ export class KubeAuthProxy {
     }
 
     const proxyBin = this.dependencies.proxyBinPath;
-    const certPath = await this.dependencies.proxyCertPath;
+    const cert = this.dependencies.proxyCert;
 
     this.proxyProcess = this.dependencies.spawn(proxyBin, [], {
       env: {
@@ -52,7 +53,8 @@ export class KubeAuthProxy {
         KUBECONFIG: this.cluster.kubeConfigPath,
         KUBECONFIG_CONTEXT: this.cluster.contextName,
         API_PREFIX: this.apiPrefix,
-        CERT_PATH: certPath,
+        PROXY_KEY: cert.private,
+        PROXY_CERT: cert.cert,
       },
     });
     this.proxyProcess.on("error", (error) => {

src/renderer/components/dock/logs/view.tsx

@@ -57,8 +57,9 @@ const NonInjectedLogsDockTab = observer(({ className, tab, model, subscribeStore
     setTimeout(() => {
       const overlay = document.querySelector(".PodLogs .list span.active");
 
-      if (!overlay) return;
+      if (typeof overlay?.scrollIntoViewIfNeeded === "function") {
         overlay.scrollIntoViewIfNeeded();
+      }
     }, 100);
   };
 

src/renderer/components/tabs/tabs.tsx

@@ -81,7 +81,9 @@ export class Tab extends React.PureComponent<TabProps> {
   }
 
   scrollIntoView() {
-    this.ref.current?.scrollIntoViewIfNeeded();
+    if (typeof this.ref.current?.scrollIntoViewIfNeeded === "function") {
+      this.ref.current.scrollIntoViewIfNeeded();
+    }
   }
 
   @boundMethod

types/dom.d.ts

@@ -6,7 +6,7 @@ export {};
 
 declare global {
   interface Element {
-    scrollIntoViewIfNeeded(opt_center?: boolean): void;
+    scrollIntoViewIfNeeded?(opt_center?: boolean): void;
   }
 
   interface Window {