Kubeconfigs as file references (#466)

Signed-off-by: Jussi Nummelin <jussi.nummelin@gmail.com>
Co-authored-by: Lauri Nevala <lauri.nevala@gmail.com>
Co-authored-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/main/routes/config.ts

@@ -45,7 +45,7 @@ const apiResources = [
 ]
 
 async function getAllowedNamespaces(cluster: Cluster) {
-  const api = cluster.contextHandler.kc.makeApiClient(CoreV1Api)
+  const api = cluster.proxyKubeconfig().makeApiClient(CoreV1Api)
   try {
     const namespaceList = await api.listNamespace()
     const nsAccessStatuses = await Promise.all(
@@ -58,9 +58,8 @@ async function getAllowedNamespaces(cluster: Cluster) {
     return namespaceList.body.items
       .filter((ns, i) => nsAccessStatuses[i])
       .map(ns => ns.metadata.name)
-  } catch (error) {
-    const kc = cluster.contextHandler.kc
-    const ctx = kc.getContextObject(kc.currentContext)
+  } catch(error) {
+    const ctx = cluster.proxyKubeconfig().getContextObject(cluster.contextName)
     if (ctx.namespace) {
       return [ctx.namespace]
     }

src/main/routes/kubeconfig.ts

@@ -12,7 +12,7 @@ function generateKubeConfig(username: string, secret: V1Secret, cluster: Cluster
       {
         'name': cluster.contextName,
         'cluster': {
-          'server': cluster.contextHandler.kc.getCurrentCluster().server,
+          'server': cluster.apiUrl,
           'certificate-authority-data': secret.data["ca.crt"]
         }
       }
@@ -44,7 +44,7 @@ class KubeconfigRoute extends LensApi {
   public async routeServiceAccountRoute(request: LensApiRequest) {
     const { params, response, cluster} = request
 
-    const client = cluster.contextHandler.kc.makeApiClient(CoreV1Api);
+    const client = cluster.proxyKubeconfig().makeApiClient(CoreV1Api);
     const secretList = await client.listNamespacedSecret(params.namespace)
     const secret = secretList.body.items.find(secret => {
       const { annotations } = secret.metadata;

src/main/routes/port-forward.ts

@@ -87,7 +87,7 @@ class PortForwardRoute extends LensApi {
         namespace: params.namespace,
         name: params.service,
         port: params.port,
-        kubeConfig: cluster.kubeconfigPath()
+        kubeConfig: cluster.proxyKubeconfigPath()
       })
       const started = await portForward.start()
       if (!started) {

src/main/routes/watch.ts

@@ -38,7 +38,17 @@ class ApiWatcher {
       clearInterval(this.processor)
     }
     logger.debug("Stopping watcher for api: " + this.apiUrl)
-    this.watchRequest.abort()
+    try {
+      this.watchRequest.abort()
+      this.sendEvent({
+        type: "STREAM_END",
+        url: this.apiUrl,
+        status: 410,
+      })
+      logger.debug("watch aborted")
+    } catch (error) {
+      logger.error("Watch abort errored:" + error)
+    }
   }
 
   private watchHandler(phase: string, obj: any) {
@@ -50,12 +60,7 @@ class ApiWatcher {
 
   private doneHandler(error: Error) {
     if (error) logger.warn("watch ended: " + error.toString())
-
-    this.sendEvent({
-      type: "STREAM_END",
-      url: this.apiUrl,
-      status: 410,
-    })
+    this.watchRequest.abort()
   }
 
   private sendEvent(evt: any) {
@@ -82,9 +87,10 @@ class WatchRoute extends LensApi {
     response.setHeader("Content-Type", "text/event-stream")
     response.setHeader("Cache-Control", "no-cache")
     response.setHeader("Connection", "keep-alive")
+    logger.debug("watch using kubeconfig:" + JSON.stringify(cluster.proxyKubeconfig(), null, 2))
 
     apis.forEach(apiUrl => {
-      const watcher = new ApiWatcher(apiUrl, cluster.contextHandler.kc, response)
+      const watcher = new ApiWatcher(apiUrl, cluster.proxyKubeconfig(), response)
       watcher.start()
       watchers.push(watcher)
     })