Merge branch 'master' into fix/events-sorting

# Conflicts:
#	src/renderer/components/+events/events.tsx

extensions/survey/renderer.tsx

@@ -15,7 +15,10 @@ export default class SurveyRendererExtension extends LensRendererExtension {
     }
   ];
   async onActivate() {
-    await surveyPreferencesStore.loadExtension(this);
-    survey.start();
+    // Activate extension only on main renderer
+    if (window.location.hostname === "localhost") {
+      await surveyPreferencesStore.loadExtension(this);
+      survey.start();
+    }
   }
 }

package.json

@@ -2,7 +2,7 @@
   "name": "kontena-lens",
   "productName": "Lens",
   "description": "Lens - The Kubernetes IDE",
-  "version": "4.1.0-rc.1",
+  "version": "4.1.0-rc.2",
   "main": "static/build/main.js",
   "copyright": "© 2020, Mirantis, Inc.",
   "license": "MIT",
@@ -222,7 +222,7 @@
     "react": "^17.0.1",
     "react-dom": "^17.0.1",
     "react-router": "^5.2.0",
-    "readable-web-to-node-stream": "^3.0.1",
+    "readable-stream": "^3.6.0",
     "request": "^2.88.2",
     "request-promise-native": "^1.0.8",
     "semver": "^7.3.2",
@@ -277,6 +277,7 @@
     "@types/react-router-dom": "^5.1.6",
     "@types/react-select": "^3.0.13",
     "@types/react-window": "^1.8.2",
+    "@types/readable-stream": "^2.3.9",
     "@types/request": "^2.48.5",
     "@types/request-promise-native": "^1.0.17",
     "@types/semver": "^7.2.0",

src/main/cluster.ts

@@ -400,7 +400,6 @@ export class Cluster implements ClusterModel, ClusterState {
     this.ready = false;
     this.activated = false;
     this.allowedNamespaces = [];
-    this.accessibleNamespaces = [];
     this.resourceAccessStatuses.clear();
     this.pushState();
   }

src/renderer/api/kube-api.ts

@@ -10,8 +10,8 @@ import { createKubeApiURL, parseKubeApi } from "./kube-api-parse";
 import { KubeJsonApi, KubeJsonApiData, KubeJsonApiDataList } from "./kube-json-api";
 import { IKubeObjectConstructor, KubeObject, KubeStatus } from "./kube-object";
 import byline from "byline";
-import { ReadableWebToNodeStream } from "readable-web-to-node-stream";
 import { IKubeWatchEvent } from "./kube-watch-api";
+import { ReadableWebToNodeStream } from "../utils/readableStream";
 
 export interface IKubeApiOptions<T extends KubeObject> {
   /**
@@ -373,7 +373,13 @@ export class KubeApi<T extends KubeObject = any> {
       opts.abortController = new AbortController();
     }
     let errorReceived = false;
+    let timedRetry: NodeJS.Timeout;
     const { abortController, namespace, callback } = opts;
+
+    abortController.signal.addEventListener("abort", () => {
+      clearTimeout(timedRetry);
+    });
+
     const watchUrl = this.getWatchUrl(namespace);
     const responsePromise = this.request.getResponse(watchUrl, null, {
       signal: abortController.signal
@@ -387,14 +393,17 @@ export class KubeApi<T extends KubeObject = any> {
       }
       const nodeStream = new ReadableWebToNodeStream(response.body);
 
-      nodeStream.on("end", () => {
-        if (errorReceived) return; // kubernetes errors should be handled in a callback
+      ["end", "close", "error"].forEach((eventName) => {
+        nodeStream.on(eventName, () => {
+          if (errorReceived) return; // kubernetes errors should be handled in a callback
 
-        setTimeout(() => { // we did not get any kubernetes errors so let's retry
-          if (abortController.signal.aborted) return;
+          clearTimeout(timedRetry);
+          timedRetry = setTimeout(() => { // we did not get any kubernetes errors so let's retry
+            if (abortController.signal.aborted) return;
 
-          this.watch({...opts, namespace, callback});
-        }, 1000);
+            this.watch({...opts, namespace, callback});
+          }, 1000);
+        });
       });
 
       const stream = byline(nodeStream);

src/renderer/components/+events/events.tsx

@@ -8,7 +8,7 @@ import { TabLayout } from "../layout/tab-layout";
 import { EventStore, eventStore } from "./event.store";
 import { getDetailsUrl, KubeObjectListLayout, KubeObjectListLayoutProps } from "../kube-object";
 import { KubeEvent } from "../../api/endpoints/events.api";
-import { TableSortCallbacks, TableSortParams } from "../table";
+import { TableSortCallbacks, TableSortParams, TableProps } from "../table";
 import { IHeaderPlaceholders } from "../item-object-list";
 import { Tooltip } from "../tooltip";
 import { Link } from "react-router-dom";
@@ -41,6 +41,11 @@ const defaultProps: Partial<Props> = {
 export class Events extends React.Component<Props> {
   static defaultProps = defaultProps as object;
 
+  @observable sorting: TableSortParams = {
+    sortBy: columnId.age,
+    orderBy: "asc",
+  };
+
   private sortingCallbacks: TableSortCallbacks = {
     [columnId.namespace]: (event: KubeEvent) => event.getNs(),
     [columnId.type]: (event: KubeEvent) => event.type,
@@ -49,9 +54,10 @@ export class Events extends React.Component<Props> {
     [columnId.age]: (event: KubeEvent) => event.getTimeDiffFromNow(),
   };
 
-  @observable sorting: TableSortParams = {
-    sortBy: columnId.age,
-    orderBy: "asc",
+  private tableConfiguration: TableProps = {
+    sortSyncWithUrl: false,
+    sortByDefault: this.sorting,
+    onSort: params => this.sorting = params,
   };
 
   get store(): EventStore {
@@ -106,7 +112,7 @@ export class Events extends React.Component<Props> {
   };
 
   render() {
-    const { store, visibleItems, sortingCallbacks, sorting } = this;
+    const { store, visibleItems } = this;
     const { compact, compactLimit, className, ...layoutProps } = this.props;
 
     const events = (
@@ -121,12 +127,8 @@ export class Events extends React.Component<Props> {
         isSelectable={false}
         items={visibleItems}
         virtual={!compact}
-        sortingCallbacks={sortingCallbacks}
-        tableProps={{
-          sortSyncWithUrl: false,
-          sortByDefault: sorting,
-          onSort: params => this.sorting = params,
-        }}
+        tableProps={this.tableConfiguration}
+        sortingCallbacks={this.sortingCallbacks}
         searchFilters={[
           (event: KubeEvent) => event.getSearchFields(),
           (event: KubeEvent) => event.message,
@@ -140,7 +142,7 @@ export class Events extends React.Component<Props> {
           { title: "Involved Object", className: "object", sortBy: columnId.object, id: columnId.object },
           { title: "Source", className: "source", id: columnId.source },
           { title: "Count", className: "count", sortBy: columnId.count, id: columnId.count },
-          { title: "Age", className: "age", sortBy: columnId.age, id: columnId.age },
+          { title: "Last Seen", className: "age", sortBy: columnId.age, id: columnId.age },
         ]}
         renderTableContents={(event: KubeEvent) => {
           const { involvedObject, type, message } = event;

src/renderer/components/item-object-list/item-list-layout.tsx

@@ -282,8 +282,8 @@ export class ItemListLayout extends React.Component<ItemListLayoutProps> {
     const dialogCustomProps = customizeRemoveDialog ? customizeRemoveDialog(selectedItems) : {};
     const selectedCount = selectedItems.length;
     const tailCount = selectedCount > visibleMaxNamesCount ? selectedCount - visibleMaxNamesCount : 0;
-    const tail = tailCount > 0 ? "and <b>{tailCount}</b> more" : null;
-    const message = selectedCount <= 1 ? <p>Remove item <b>{selectedNames}</b>?</p> : <p>Remove <b>{selectedCount}</b> items <b>{selectedNames}</b> {tail}?</p>;
+    const tail = tailCount > 0 ? <>, and <b>{tailCount}</b> more</> : null;
+    const message = selectedCount <= 1 ? <p>Remove item <b>{selectedNames}</b>?</p> : <p>Remove <b>{selectedCount}</b> items <b>{selectedNames}</b>{tail}?</p>;
 
     ConfirmDialog.open({
       ok: removeSelectedItems,

src/renderer/kube-object.store.ts

@@ -111,7 +111,7 @@ export abstract class KubeObjectStore<T extends KubeObject = any> extends ItemSt
 
       const isLoadingAll = this.context.allNamespaces.every(ns => namespaces.includes(ns));
 
-      if (isLoadingAll) {
+      if (isLoadingAll && this.context.cluster.accessibleNamespaces.length === 0) {
         this.loadedNamespaces = [];
 
         return api.list({}, this.query);

src/renderer/utils/readableStream.ts

@@ -0,0 +1,87 @@
+import { Readable } from "readable-stream";
+
+/**
+ * ReadableWebToNodeStream
+ *
+ * Copied from https://github.com/Borewit/readable-web-to-node-stream
+ *
+ * Adds read error handler
+ *
+ * */
+export class ReadableWebToNodeStream extends Readable {
+
+  public bytesRead = 0;
+  public released = false;
+
+  /**
+   * Default web API stream reader
+   * https://developer.mozilla.org/en-US/docs/Web/API/ReadableStreamDefaultReader
+   */
+  private reader: ReadableStreamReader;
+  private pendingRead: Promise<any>;
+
+  /**
+   *
+   * @param stream Readable​Stream: https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream
+   */
+  constructor(stream: ReadableStream) {
+    super();
+    this.reader = stream.getReader();
+  }
+
+  /**
+   * Implementation of readable._read(size).
+   * When readable._read() is called, if data is available from the resource,
+   * the implementation should begin pushing that data into the read queue
+   * https://nodejs.org/api/stream.html#stream_readable_read_size_1
+   */
+  public async _read() {
+    // Should start pushing data into the queue
+    // Read data from the underlying Web-API-readable-stream
+    if (this.released) {
+      this.push(null); // Signal EOF
+
+      return;
+    }
+
+    try {
+      this.pendingRead = this.reader.read();
+      const data = await this.pendingRead;
+
+      // clear the promise before pushing pushing new data to the queue and allow sequential calls to _read()
+      delete this.pendingRead;
+
+      if (data.done || this.released) {
+        this.push(null); // Signal EOF
+      } else {
+        this.bytesRead += data.value.length;
+        this.push(data.value); // Push new data to the queue
+      }
+    } catch(error) {
+      this.push(null); // Signal EOF
+    }
+  }
+
+  /**
+   * If there is no unresolved read call to Web-API Readable​Stream immediately returns;
+   * otherwise will wait until the read is resolved.
+   */
+  public async waitForReadToComplete() {
+    if (this.pendingRead) {
+      await this.pendingRead;
+    }
+  }
+
+  /**
+   * Close wrapper
+   */
+  public async close(): Promise<void> {
+    await this.syncAndRelease();
+  }
+
+  private async syncAndRelease() {
+    this.released = true;
+    await this.waitForReadToComplete();
+    await this.reader.releaseLock();
+  }
+}

static/RELEASE_NOTES.md

@@ -2,7 +2,7 @@
 
 Here you can find description of changes we've built into each release. While we try our best to make each upgrade automatic and as smooth as possible, there may be some cases where you might need to do something to ensure the application works smoothly. So please read through the release highlights!
 
-## 4.1.0-rc.1 (current version)
+## 4.1.0-rc.2 (current version)
 
 - Change: list views default to a namespace (instead of listing resources from all namespaces)
 - Command palette

yarn.lock

@@ -11464,14 +11464,6 @@ readable-stream@~1.1.10:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-web-to-node-stream@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/readable-web-to-node-stream/-/readable-web-to-node-stream-3.0.1.tgz#3f619b1bc5dd73a4cfe5c5f9b4f6faba55dff845"
-  integrity sha512-4zDC6CvjUyusN7V0QLsXVB7pJCD9+vtrM9bYDRv6uBQ+SKfx36rp5AFNPRgh9auKRul/a1iFZJYXcCbwRL+SaA==
-  dependencies:
-    "@types/readable-stream" "^2.3.9"
-    readable-stream "^3.6.0"
-
 readdir-scoped-modules@^1.0.0, readdir-scoped-modules@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/readdir-scoped-modules/-/readdir-scoped-modules-1.1.0.tgz#8d45407b4f870a0dcaebc0e28670d18e74514309"