Add wipe logic

Author: Prince Rachit Sinha

.werft/wipe-devstaging.ts

@@ -1,23 +1,32 @@
 import { werft } from './util/shell';
 import { wipePreviewEnvironment, listAllPreviewNamespaces } from './util/kubectl';
+import fs from 'fs';
 
 
-async function wipeDevstaging() {
+async function wipeDevstaging(pathToKubeConfig: string) {
     const namespace_raw = process.env.NAMESPACE;
     const namespaces: string[] = [];
     if (namespace_raw === "<no value>" || !namespace_raw) {
         werft.log('wipe', "Going to wipe all namespaces");
-        listAllPreviewNamespaces("")
+        listAllPreviewNamespaces(pathToKubeConfig)
             .map(ns => namespaces.push(ns));
     } else {
         werft.log('wipe', `Going to wipe namespace ${namespace_raw}`);
         namespaces.push(namespace_raw);
     }
 
     for (const namespace of namespaces) {
-        await wipePreviewEnvironment("", "gitpod", namespace, { slice: 'wipe' });
+        await wipePreviewEnvironment(pathToKubeConfig, "gitpod", namespace, { slice: 'wipe' });
     }
     werft.done('wipe');
 }
 
-wipeDevstaging()
+wipeDevstaging("")
+// if we have "/workspace/k3s-external.yaml" present that means a k3s ws cluster
+// exists, therefore, delete corresponding preview deployment from that cluster too
+// NOTE: Even for a non k3s ws deployment we will attempt to clean the preview.
+// This saves us from writing complex logic of querying meta cluster for registered workspaces
+// Since we use the same namespace to deploy in both dev and k3s cluster, this is safe
+if (fs.existsSync("/workspace/k3s-external.yaml")) {
+    wipeDevstaging("/workspace/k3s-external.yaml")
+}

.werft/wipe-devstaging.yaml

@@ -32,6 +32,7 @@ pod:
       gcloud auth activate-service-account --key-file /mnt/secrets/gcp-sa/service-account.json
       gcloud container clusters get-credentials dev --zone europe-west1-b --project gitpod-core-dev
 
+      kubectl get secret k3sdev -n werft -o=go-template='{{index .data "k3s-external.yaml"}}' | base64 -d > /workspace/k3s-external.yaml
       export NAMESPACE="{{ .Annotations.namespace }}"
       sudo chown -R gitpod:gitpod /workspace