Green the CI, Require Deno v1.41+

.github/workflows/deno-ci.yaml

@@ -13,11 +13,9 @@ jobs:
     strategy:
       matrix:
         deno-version:
-        - v1.28
-        - v1.30
-        - v1.32
-        - v1.35
-        - v1.39
+        - v1.41
+        - v1.43
+        - v1.45
         - canary
       fail-fast: false # run each branch to completion
 
@@ -45,33 +43,5 @@ jobs:
     - name: Check demo.ts
       run: time deno check --unstable demo.ts
 
-  check-unstable:
-    runs-on: ubuntu-latest
-    name: Check Unstable w/ ${{ matrix.deno-version }}
-    strategy:
-      matrix:
-        deno-version:
-        - v1.39
-        - canary
-      fail-fast: false # run each branch to completion
-
-    steps:
-    - name: Checkout source
-      uses: actions/checkout@v4
-
-    - name: Use Deno ${{ matrix.deno-version }}
-      uses: denoland/setup-deno@v1
-      with:
-        deno-version: ${{ matrix.deno-version }}
-
-    # "https" cache: code from the Internet
-    # External sources won't change much so we use less precise keys
-    - name: Cache https://
-      uses: actions/cache@v4
-      with:
-        path: ~/.cache/deno/deps/https
-        key: deno-https/v1-${{ github.sha }}
-        restore-keys: deno-https/v1-
-
     - name: Check tunnel-beta/examples/ws-exec-poc.ts
       run: time deno check --unstable tunnel-beta/examples/ws-exec-poc.ts

README.md

@@ -52,7 +52,6 @@ Check out `lib/contract.ts` to see the type/API contract.
 
 ## Changelog
 
-
 * `v0.7.0` on `2023-08-13`:
     Port `KubectlRawRestClient` over to newer `Deno.Command()` API.
     Support patching subresources & opening PodExec tunnels in `KubectlRawRestClient`.
@@ -61,6 +60,7 @@ Check out `lib/contract.ts` to see the type/API contract.
 
     * `v0.7.1` on `2023-09-24`: Update std dependencies to `/std@0.202.0`
     * `v0.7.2` on `2023-12-29`: Fix `WebsocketTunnel` for Deno v1.38 change
+    * `v0.7.3` on `2024-09-10`: Drop support for Deno v1.40 and earlier.
 
 * `v0.6.0` on `2023-08-08`:
     Introduce an API for opening Kubernetes tunnels, useful for `PodExec` and others.

lib/kubeconfig.ts

@@ -28,8 +28,8 @@ export class KubeConfig {
       const defaultPath = joinPath(Deno.env.get("HOME") || Deno.env.get("USERPROFILE") || "/root", ".kube", "config");
       try {
         return await KubeConfig.readFromPath(defaultPath);
-      } catch (err) {
-        if (err.name === 'NotFound') {
+      } catch (err: unknown) {
+        if ((err as Error).name === 'NotFound') {
           return new KubeConfig(mergeKubeConfigs([]));
         }
         throw err;
@@ -193,12 +193,12 @@ export class KubeConfigContext {
             if (expiresAt.valueOf() > Date.now()) {
               return `Bearer ${config['access-token']}`;
             } else throw new Error(
-              `TODO: GCP auth-provider token expired, use a kubectl command to refresh for now`);
+              `GCP "auth-provider" token expired, run a kubectl command to refresh. Or consider updating to "exec"`);
           } else throw new Error(
-            `TODO: GCP auth-provider lacks a cached token, use a kubectl command to refresh for now`);
+            `GCP "auth-provider" lacks a cached token, run a kubectl command to refresh. Or consider updating to "exec"`);
 
         default: throw new Error(
-          `TODO: this kubeconfig's auth-provider (${name}) isn't supported yet`);
+          `This kubeconfig's "auth-provider" (${name}) isn't supported. Consider updating to "exec"`);
       }
 
     } else if (this.user['exec']) {
@@ -221,7 +221,7 @@ export class KubeConfigContext {
     const execConfig = this.user['exec'];
     if (!execConfig) throw new Error(`BUG: execConfig disappeared`);
 
-    const isTTY = Deno.isatty(Deno.stdin.rid);
+    const isTTY = Deno.stdin.isTerminal();
     const stdinPolicy = execConfig.interactiveMode ?? 'IfAvailable';
     if (stdinPolicy == 'Always' && !isTTY) {
       throw new Error(`KubeConfig exec plugin wants a TTY, but stdin is not a TTY`);

transports/via-kubeconfig.ts

@@ -80,8 +80,9 @@ export class KubeConfigRestClient implements RestClient {
       if (Deno.createHttpClient) {
         httpClient = Deno.createHttpClient({
           caCerts: serverTls ? [serverTls.serverCert] : [],
-          certChain: tlsAuth?.userCert,
-          privateKey: tlsAuth?.userKey,
+          //@ts-ignore-error deno unstable API. Not typed?
+          cert: tlsAuth?.userCert,
+          key: tlsAuth?.userKey,
         });
       } else if (tlsAuth) {
         console.error('WARN: cannot use certificate-based auth without --unstable');

tunnel-beta/examples/ws-exec-poc.ts

@@ -1,4 +1,4 @@
-#!/usr/bin/env -S deno run --unstable --allow-env --allow-read --allow-net
+#!/usr/bin/env -S deno run --unstable-net --allow-env --allow-read --allow-net --cert=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
 
 import { WebsocketRestClient } from "../via-websocket.ts";
 

tunnel-beta/via-spdy-transport.ts

@@ -21,8 +21,9 @@ export class SpdyEnabledRestClient extends KubeConfigRestClient {
       port: url.port ? parseInt(url.port) : 443,
       alpnProtocols: ['http/1.1'],
       caCerts: serverTls?.serverCert ? [serverTls.serverCert] : [],
-      certChain: clientTls?.userCert,
-      privateKey: clientTls?.userKey,
+      //@ts-ignore-error deno unstable API. Not typed?
+      cert: clientTls?.userCert,
+      key: clientTls?.userKey,
     });
 
     const transport = await dialSpdyTunnel({

tunnel-beta/via-websocket.ts

@@ -9,6 +9,8 @@ import { KubeConfigRestClient } from "../transports/via-kubeconfig.ts";
  * WebSockets have various limits within the Kubernetes and Deno ecosystem,
  * but they work quite well in several situations and have good backpressure support.
  *
+ * * Run Deno with `--unstable-net` to enable the required WebSocketStream API.
+ *
  * * For most clusters, you'll need to have Deno trust the cluster CA.
  *   Otherwise you'll get an `UnknownIssuer` error.
  *   In-cluster, you just need to pass `--cert /var/run/secrets/kubernetes.io/serviceaccount/ca.crt`
@@ -22,6 +24,7 @@ import { KubeConfigRestClient } from "../transports/via-kubeconfig.ts";
  *   (TODO: find or create Kubernetes ticket to track this)
  *
  * * stdin restricted for exec/attach due to lack of EOF signal.
+ *   Addressed in Kubernetes v1.29 via new `v5.channel.k8s.io` protocol.
  *   Upstream work: https://github.com/kubernetes/kubernetes/pull/119157
  */
 export class WebsocketRestClient extends KubeConfigRestClient {