Add migration to fix kubeconfig paths that point to snap config dir (#972)

* Add migration to fix kubeconfig paths that point to snap config dir

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

src/migrations/cluster-store/index.ts

@@ -7,6 +7,7 @@ import version260Beta3 from "./2.6.0-beta.3"
 import version270Beta0 from "./2.7.0-beta.0"
 import version270Beta1 from "./2.7.0-beta.1"
 import version360Beta1 from "./3.6.0-beta.1"
+import snap from "./snap"
 
 export default {
   ...version200Beta2,
@@ -16,4 +17,5 @@ export default {
   ...version270Beta0,
   ...version270Beta1,
   ...version360Beta1,
+  ...snap
 }

src/migrations/cluster-store/snap.ts

@@ -0,0 +1,33 @@
+// Fix embedded kubeconfig paths under snap config
+
+import { migration } from "../migration-wrapper";
+import { ClusterModel, ClusterStore } from "../../common/cluster-store";
+import { getAppVersion } from "../../common/utils/app-version";
+import fs from "fs"
+
+export default migration({
+  version: getAppVersion(), // Run always after upgrade
+  run(store, printLog) {
+    if (!process.env["SNAP"]) return;
+
+    printLog("Migrating embedded kubeconfig paths")
+    const storedClusters: ClusterModel[] = store.get("clusters") || [];
+    if (!storedClusters.length) return;
+
+    printLog("Number of clusters to migrate: ", storedClusters.length)
+    const migratedClusters = storedClusters
+      .map(cluster => {
+        /**
+         * replace snap version with 'current' in kubeconfig path
+         */
+        if (!fs.existsSync(cluster.kubeConfigPath)) {
+          const kubeconfigPath = cluster.kubeConfigPath.replace(/\/snap\/kontena-lens\/[0-9]*\//, "/snap/kontena-lens/current/")
+          cluster.kubeConfigPath = kubeconfigPath
+        }
+        return cluster;
+      })
+
+
+    store.set("clusters", migratedClusters)
+  }
+})