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background.ts
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import { spawn } from 'child_process';
import fs from 'fs';
import os from 'os';
import path from 'path';
import util from 'util';
import Electron, { MessageBoxOptions } from 'electron';
import _ from 'lodash';
import semver from 'semver';
import { State } from '@pkg/backend/backend';
import BackendHelper from '@pkg/backend/backendHelper';
import K8sFactory from '@pkg/backend/factory';
import { getImageProcessor } from '@pkg/backend/images/imageFactory';
import { ImageProcessor } from '@pkg/backend/images/imageProcessor';
import * as K8s from '@pkg/backend/k8s';
import { Steve } from '@pkg/backend/steve';
import { FatalCommandLineOptionError, LockedFieldError, updateFromCommandLine } from '@pkg/config/commandLineOptions';
import { Help } from '@pkg/config/help';
import * as settings from '@pkg/config/settings';
import * as settingsImpl from '@pkg/config/settingsImpl';
import { TransientSettings } from '@pkg/config/transientSettings';
import { IntegrationManager, getIntegrationManager } from '@pkg/integrations/integrationManager';
import { PathManagementStrategy, PathManager } from '@pkg/integrations/pathManager';
import { getPathManagerFor } from '@pkg/integrations/pathManagerImpl';
import { BackendState, CommandWorkerInterface, HttpCommandServer } from '@pkg/main/commandServer/httpCommandServer';
import SettingsValidator from '@pkg/main/commandServer/settingsValidator';
import { HttpCredentialHelperServer } from '@pkg/main/credentialServer/httpCredentialHelperServer';
import { DashboardServer } from '@pkg/main/dashboardServer';
import { DeploymentProfileError, readDeploymentProfiles } from '@pkg/main/deploymentProfiles';
import { DiagnosticsManager, DiagnosticsResultCollection } from '@pkg/main/diagnostics/diagnostics';
import { ExtensionErrorCode, isExtensionError } from '@pkg/main/extensions';
import { ImageEventHandler } from '@pkg/main/imageEvents';
import { getIpcMainProxy } from '@pkg/main/ipcMain';
import mainEvents from '@pkg/main/mainEvents';
import buildApplicationMenu from '@pkg/main/mainmenu';
import setupNetworking from '@pkg/main/networking';
import { Snapshots } from '@pkg/main/snapshots/snapshots';
import { Snapshot, SnapshotDialog } from '@pkg/main/snapshots/types';
import { Tray } from '@pkg/main/tray';
import setupUpdate from '@pkg/main/update';
import { spawnFile } from '@pkg/utils/childProcess';
import getCommandLineArgs from '@pkg/utils/commandLine';
import DockerDirManager from '@pkg/utils/dockerDirManager';
import { isDevEnv } from '@pkg/utils/environment';
import Logging, { clearLoggingDirectory, setLogLevel } from '@pkg/utils/logging';
import { fetchMacOsVersion, getMacOsVersion } from '@pkg/utils/osVersion';
import paths from '@pkg/utils/paths';
import { protocolsRegistered, setupProtocolHandlers } from '@pkg/utils/protocols';
import { executable } from '@pkg/utils/resources';
import { jsonStringifyWithWhiteSpace } from '@pkg/utils/stringify';
import { RecursivePartial, RecursiveReadonly } from '@pkg/utils/typeUtils';
import { getVersion } from '@pkg/utils/version';
import getWSLVersion from '@pkg/utils/wslVersion';
import * as window from '@pkg/window';
import { closeDashboard, openDashboard } from '@pkg/window/dashboard';
import { openPreferences, preferencesSetDirtyFlag } from '@pkg/window/preferences';
Electron.app.setPath('userData', path.join(paths.appHome, 'electron'));
Electron.app.setPath('cache', paths.cache);
Electron.app.setAppLogsPath(paths.logs);
const console = Logging.background;
// Do an early check for debugging enabled via the environment variable so that
// we can turn on extra logging to troubleshoot startup issues.
if (settingsImpl.runInDebugMode(false)) {
setLogLevel('debug');
}
if (!Electron.app.requestSingleInstanceLock()) {
process.exit(201);
}
clearLoggingDirectory();
const SNAPSHOT_OPERATION = 'Snapshot operation in progress';
const ipcMainProxy = getIpcMainProxy(console);
const dockerDirManager = new DockerDirManager(path.join(os.homedir(), '.docker'));
const k8smanager = newK8sManager();
const diagnostics: DiagnosticsManager = new DiagnosticsManager();
let cfg: settings.Settings;
let firstRunDialogComplete = false;
let gone = false; // when true indicates app is shutting down
let imageEventHandler: ImageEventHandler|null = null;
let currentContainerEngine = settings.ContainerEngine.NONE;
let currentImageProcessor: ImageProcessor | null = null;
let enabledK8s: boolean;
let pathManager: PathManager;
const integrationManager: IntegrationManager = getIntegrationManager();
let noModalDialogs = false;
// Indicates whether the UI should be locked, settings changes should be disallowed
// and possibly other things should be disallowed. As of the time of writing,
// set to true when a snapshot is being created or restored.
let deploymentProfiles: settings.DeploymentProfileType = { defaults: {}, locked: {} };
/**
* pendingRestartContext is needed because with the CLI it's possible to change
* the state of the system without using the UI. This can push the system out
* of sync, for example setting kubernetes-enabled=true while it's disabled.
* Normally the code restarts the system when processing the SET command, but if
* the backend is currently starting up or shutting down, we have to wait for it
* to finish. This module gets a `state-changed` event when that happens,
* and if this flag is true, a new restart can be triggered.
*/
let pendingRestartContext: CommandWorkerInterface.CommandContext | undefined;
let httpCommandServer: HttpCommandServer|null = null;
const httpCredentialHelperServer = new HttpCredentialHelperServer();
if (process.platform === 'linux') {
// On Linux, put Electron into a new process group so that we can more
// reliably kill processes we spawn from extensions.
try {
require('posix-node').setpgid(0, 0);
} catch (ex) {
console.error(`Ignoring error setting process group: ${ ex }`);
}
}
// Scheme must be registered before the app is ready
Electron.protocol.registerSchemesAsPrivileged([
{ scheme: 'app', privileges: { secure: true, standard: true } },
]);
process.on('unhandledRejection', (reason: any, promise: any) => {
if (reason.code === 'ECONNREFUSED' && reason.port === cfg.kubernetes.port) {
// Do nothing: a connection to the kubernetes server was broken
} else {
console.error('UnhandledRejectionWarning:', reason);
}
});
Electron.app.on('second-instance', async() => {
await protocolsRegistered;
console.warn('A second instance was started');
if (firstRunDialogComplete) {
window.openMain();
}
});
// takes care of any propagation of settings we want to do
// when settings change
mainEvents.on('settings-update', async(newSettings) => {
console.log(`mainEvents settings-update: ${ JSON.stringify(newSettings) }`);
const runInDebugMode = settingsImpl.runInDebugMode(newSettings.application.debug);
if (runInDebugMode) {
setLogLevel('debug');
} else {
setLogLevel('info');
}
k8smanager.debug = runInDebugMode;
if (gone) {
console.debug('Suppressing settings-update because app is quitting');
return;
}
await setPathManager(newSettings.application.pathManagementStrategy);
await pathManager.enforce();
if (newSettings.application.hideNotificationIcon) {
Tray.getInstance(cfg).hide();
} else {
if (firstRunDialogComplete) {
Tray.getInstance(cfg).show();
}
mainEvents.emit('k8s-check-state', k8smanager);
}
await runRdctlSetup(newSettings);
window.send('preferences/changed');
});
mainEvents.handle('settings-fetch', () => {
return Promise.resolve(cfg);
});
Electron.protocol.registerSchemesAsPrivileged([{ scheme: 'app' }, {
scheme: 'x-rd-extension',
privileges: {
standard: true,
supportFetchAPI: true,
},
}]);
Electron.app.whenReady().then(async() => {
try {
const commandLineArgs = getCommandLineArgs();
// Normally `noModalDialogs` is set when we call `updateFromCommandLine(.., commandLineArgs)`
// But if there's an error either in that function, or before, we'll need to know if we should
// display the error in a modal-dialog or not. So check the current command-line arguments for that.
//
// It's very unlikely that a string option is set to this exact string though.
// `rdctl start --images.namespace --no-modal-dialogs`
// is syntactically correct, but unlikely (because why would someone create a
// containerd namespace called "--no-modal-dialogs"?
noModalDialogs = commandLineArgs.includes('--no-modal-dialogs');
setupProtocolHandlers();
// make sure we have the macOS version cached before calling getMacOsVersion()
if (os.platform() === 'darwin') {
await fetchMacOsVersion(console);
}
// Needs to happen before any file is written, otherwise that file
// could be owned by root, which will lead to future problems.
if (['linux', 'darwin'].includes(os.platform())) {
await checkForRootPrivs();
}
// Check for required OS versions and features
await checkPrerequisites();
DashboardServer.getInstance().init();
await setupNetworking();
try {
deploymentProfiles = await readDeploymentProfiles();
} catch (ex: any) {
if (ex instanceof DeploymentProfileError) {
await handleFailure(ex);
} else {
console.log(`Got an unexpected deployment profile error ${ ex }`, ex);
}
throw ex;
}
try {
cfg = settingsImpl.load(deploymentProfiles);
settingsImpl.updateLockedFields(deploymentProfiles.locked);
} catch (err: any) {
const titlePart = err.name || 'Failed to load settings';
const message = err.message || err.toString();
showErrorDialog(titlePart, message, true);
// showErrorDialog doesn't exit immediately; avoid running the rest of the function
return;
}
try {
// The profile loader did rudimentary type-validation on profiles, but the validator checks for things
// like invalid strings for application.pathManagementStrategy.
validateEarlySettings(settings.defaultSettings, deploymentProfiles.defaults, {});
validateEarlySettings(settings.defaultSettings, deploymentProfiles.locked, {});
if (commandLineArgs.length) {
cfg = updateFromCommandLine(cfg, settingsImpl.getLockedSettings(), commandLineArgs);
k8smanager.noModalDialogs = noModalDialogs = TransientSettings.value.noModalDialogs;
}
} catch (err: any) {
noModalDialogs = TransientSettings.value.noModalDialogs;
if (err instanceof LockedFieldError || err instanceof DeploymentProfileError || err instanceof FatalCommandLineOptionError) {
handleFailure(err).catch((err2: any) => {
console.log('Internal error trying to show a failure dialog: ', err2);
process.exit(2);
});
// Avoid running the rest of the `whenReady` handler after calling this handleFailure -- shutdown is imminent
return;
} else if (!noModalDialogs) {
showErrorDialog('Invalid command-line arguments', err.message, false);
}
console.log(`Failed to update command from argument ${ commandLineArgs.join(', ') }`, err);
}
httpCommandServer = new HttpCommandServer(new BackgroundCommandWorker());
await httpCommandServer.init();
await httpCredentialHelperServer.init();
await initUI();
await checkForBackendLock();
await setPathManager(cfg.application.pathManagementStrategy);
await integrationManager.enforce();
mainEvents.emit('settings-update', cfg);
// Set up the updater; we may need to quit the app if an update is already
// queued.
if (await setupUpdate(cfg.application.updater.enabled, true)) {
gone = true;
// The update code will trigger a restart; don't do it here, as it may not
// be ready yet.
console.log('Will apply update; skipping startup.');
return;
}
try {
await dockerDirManager.ensureCredHelperConfigured();
} catch (ex: any) {
const errorTitle = 'Error configuring credential helper';
console.error(`${ errorTitle }:`, ex);
const title = ex.title ?? errorTitle;
const message = ex.message ?? ex.toString();
showErrorDialog(title, message, true);
}
diagnostics.runChecks().catch(console.error);
await startBackend();
} catch (ex: any) {
console.error(`Error starting up: ${ ex }`, ex.stack);
gone = true;
Electron.app.quit();
}
});
async function setPathManager(newStrategy: PathManagementStrategy) {
if (pathManager) {
if (pathManager.strategy === newStrategy) {
return;
}
await pathManager.remove();
}
pathManager = getPathManagerFor(newStrategy);
}
/**
* Reads the 'backend.lock' file and returns its contents if it exists.
* Returns null if the file doesn't exist.
*/
async function readBackendLockFile(): Promise<{ action: string } | null> {
try {
const fileContents = await fs.promises.readFile(
path.join(paths.appHome, 'backend.lock'),
'utf-8',
);
return JSON.parse(fileContents);
} catch (ex: any) {
if (ex.code === 'ENOENT') {
return null;
} else {
throw ex;
}
}
}
/**
* Emits the 'backend-locked-update' event.
*/
function updateBackendLockState(backendIsLocked: string, action?: string): void {
mainEvents.emit('backend-locked-update', backendIsLocked, action);
}
/**
* Checks for the existence of the 'backend.lock' file and emits the
* 'backend-locked-update' event to notify listeners about the current lock
* status.
*/
async function doesBackendLockExist(): Promise<boolean> {
let backendIsLocked = '';
const lockFileContents = await readBackendLockFile();
if (lockFileContents !== null) {
backendIsLocked = SNAPSHOT_OPERATION;
updateBackendLockState(backendIsLocked, lockFileContents.action);
} else {
backendIsLocked = '';
updateBackendLockState(backendIsLocked);
}
return !!backendIsLocked;
}
/**
* Blocks execution until the 'backend.lock' file is no longer present.
*/
async function checkForBackendLock() {
// Perform an initial check for a lock file
if (!await doesBackendLockExist()) {
return;
}
const startTime = Date.now();
// Check every second if a lock file exists
while (await doesBackendLockExist()) {
// Notify when a lock file has existed for more than 5 minutes
if (Date.now() - startTime >= 300_000) {
mainEvents.emit(
'dialog-info',
{
dialog: 'SnapshotsDialog',
infoKey: 'snapshots.info.lock.info',
},
);
}
await util.promisify(setTimeout)(1_000);
}
}
async function initUI() {
await doFirstRunDialog();
if (gone) {
console.log('User triggered quit during first-run');
return;
}
buildApplicationMenu();
Electron.app.setAboutPanelOptions({
// TODO: Update this to 2021-... as dev progresses
// also needs to be updated in electron-builder.yml
copyright: 'Copyright © 2021-2023 SUSE LLC',
applicationName: `${ Electron.app.name } by SUSE`,
applicationVersion: `Version ${ await getVersion() }`,
iconPath: path.join(paths.resources, 'icons', 'logo-square-512.png'),
});
if (!cfg.application.hideNotificationIcon) {
Tray.getInstance(cfg).show();
}
if (!cfg.application.startInBackground) {
window.openMain();
} else if (Electron.app.dock) {
Electron.app.dock.hide();
}
}
async function doFirstRunDialog() {
if (!noModalDialogs && settingsImpl.firstRunDialogNeeded()) {
await window.openFirstRunDialog();
}
firstRunDialogComplete = true;
}
async function checkForRootPrivs() {
if (isRoot()) {
await window.openDenyRootDialog();
gone = true;
Electron.app.quit();
}
}
async function checkPrerequisites() {
const osPlatform = os.platform();
let messageId: window.reqMessageId = 'ok';
let args: any[] = [];
switch (osPlatform) {
case 'win32': {
// Required: Windows 10-1909(build 18363) or newer
const winRel = os.release().split('.');
if (Number(winRel[0]) < 10 || (Number(winRel[0]) === 10 && Number(winRel[2]) < 18363)) {
messageId = 'win32-release';
} else {
try {
const version = await getWSLVersion();
if (version.outdated_kernel) {
messageId = 'win32-kernel';
args = [version];
}
} catch (ex) {
console.error(`Failed to check WSL version, ignoring:`, ex);
}
}
break;
}
case 'linux': {
// Required: Nested virtualization enabled
const nestedFiles = [
'/sys/module/kvm_amd/parameters/nested',
'/sys/module/kvm_intel/parameters/nested'];
messageId = 'linux-nested';
for (const nestedFile of nestedFiles) {
try {
const data = await fs.promises.readFile(nestedFile, { encoding: 'utf8' });
if (data && (data.toLowerCase()[0] === 'y' || data[0] === '1')) {
messageId = 'ok';
break;
}
} catch {}
}
break;
}
case 'darwin': {
// Required: macOS-10.15(Darwin-19) or newer
if (semver.gt('10.15.0', getMacOsVersion())) {
messageId = 'macOS-release';
}
break;
}
}
if (messageId !== 'ok') {
await window.openUnmetPrerequisitesDialog(messageId, ...args);
gone = true;
Electron.app.quit();
}
}
/**
* Check if there are any reasons that would mean it makes no sense to continue
* starting the app. Should be invoked before attempting to start the backend.
*/
async function checkBackendValid() {
const invalidReason = await k8smanager.getBackendInvalidReason();
if (invalidReason) {
await handleFailure(invalidReason);
gone = true;
Electron.app.quit();
}
}
/**
* Start the Kubernetes backend.
*
* @precondition cfg.kubernetes.version is set.
*/
async function startBackend() {
await checkBackendValid();
// A string describing why we're ignoring the request.
const ignoreReason = {
[K8s.State.STOPPED]: undefined, // Normal start is accepted.
[K8s.State.STARTING]: 'Ignoring duplicate attempt to start backend while starting backend.',
[K8s.State.STARTED]: 'Ignoring attempt to start already-started backend.',
[K8s.State.STOPPING]: 'Ignoring attempt to start backend while stopping.',
[K8s.State.ERROR]: undefined, // Attempting start from error state is fine.
[K8s.State.DISABLED]: 'Ignoring attempt to start already-started backend (Kubernetes disabled).',
}[k8smanager.state];
if (ignoreReason) {
console.debug(ignoreReason);
return;
}
try {
await startK8sManager();
} catch (err) {
handleFailure(err);
} finally {
window.send('extensions/changed');
}
}
/**
* Start the backend.
*
* @note Callers are responsible for handling errors thrown from here.
*/
async function startK8sManager() {
const changedContainerEngine = currentContainerEngine !== cfg.containerEngine.name;
currentContainerEngine = cfg.containerEngine.name;
enabledK8s = cfg.kubernetes.enabled;
if (changedContainerEngine) {
setupImageProcessor();
}
await k8smanager.start(cfg);
const { initializeExtensionManager } = await import('@pkg/main/extensions/manager');
await initializeExtensionManager(k8smanager.containerEngineClient, cfg);
window.send('extensions/changed');
}
/**
* We need to deactivate the current imageProcessor, if there is one,
* so it stops processing events,
* and also tell the image event-handler about the new image processor.
*
* Some container engines support namespaces, so we need to specify the current namespace
* as well. It should be done here so that the consumers of the `current-engine-changed`
* event will operate in an environment where the image-processor knows the current namespace.
*/
function setupImageProcessor() {
const imageProcessor = getImageProcessor(cfg.containerEngine.name, k8smanager.executor);
currentImageProcessor?.deactivate();
if (!imageEventHandler) {
imageEventHandler = new ImageEventHandler(imageProcessor);
}
imageEventHandler.imageProcessor = imageProcessor;
currentImageProcessor = imageProcessor;
currentImageProcessor?.activate();
currentImageProcessor.namespace = cfg.images.namespace;
window.send('k8s-current-engine', cfg.containerEngine.name);
}
interface K8sError {
errCode: number | string
}
function isK8sError(object: any): object is K8sError {
return 'errCode' in object;
}
Electron.app.on('before-quit', async(event) => {
if (gone) {
mainEvents.emit('quit');
return;
}
event.preventDefault();
httpCommandServer?.closeServer();
httpCredentialHelperServer.closeServer();
try {
await mainEvents.tryInvoke('extensions/shutdown');
await k8smanager?.stop();
await mainEvents.tryInvoke('shutdown-integrations');
console.log(`2: Child exited cleanly.`);
} catch (ex: any) {
console.log(`2: Child exited with code ${ isK8sError(ex) ? ex.errCode : (ex.errCode ?? '<unknown>') }`);
handleFailure(ex);
} finally {
gone = true;
if (process.env['APPIMAGE']) {
await integrationManager.removeSymlinksOnly();
}
Electron.app.quit();
}
});
Electron.app.on('window-all-closed', () => {
// On macOS, hide the dock icon.
Electron.app.dock?.hide();
});
Electron.app.on('activate', async() => {
// On macOS it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (!firstRunDialogComplete) {
console.log('Still processing the first-run dialog: not opening main window');
return;
}
await protocolsRegistered;
window.openMain();
});
mainEvents.on('backend-locked-update', (backendIsLocked, action) => {
if (backendIsLocked) {
window.send('backend-locked', action);
} else {
window.send('backend-unlocked');
}
});
mainEvents.on('backend-locked-check', async() => {
await doesBackendLockExist();
});
ipcMainProxy.on('backend-state-check', async() => {
await doesBackendLockExist();
});
ipcMainProxy.on('settings-read', (event) => {
event.reply('settings-read', cfg);
});
// This is the synchronous version of the above; we still use
// ipcRenderer.sendSync in some places, so it's required for now.
ipcMainProxy.on('settings-read', (event) => {
console.debug(`event settings-read in main: ${ JSON.stringify(cfg) }`);
event.returnValue = cfg;
});
ipcMainProxy.on('images-namespaces-read', (event) => {
if ([K8s.State.STARTED, K8s.State.DISABLED].includes(k8smanager.state)) {
currentImageProcessor?.relayNamespaces();
}
});
ipcMainProxy.on('dashboard-open', () => {
openDashboard();
});
ipcMainProxy.on('dashboard-close', () => {
closeDashboard();
});
ipcMainProxy.on('preferences-open', () => {
openPreferences();
});
ipcMainProxy.on('preferences-close', () => {
window.getWindow('preferences')?.close();
});
ipcMainProxy.on('preferences-set-dirty', (_event, dirtyFlag) => {
preferencesSetDirtyFlag(dirtyFlag);
});
ipcMainProxy.on('get-debugging-statuses', () => {
window.send('is-debugging', settingsImpl.runInDebugMode(cfg.application.debug));
window.send('always-debugging', settingsImpl.runInDebugMode(false));
});
function writeSettings(arg: RecursivePartial<RecursiveReadonly<settings.Settings>>) {
settingsImpl.save(settingsImpl.merge(cfg, arg));
mainEvents.emit('settings-update', cfg);
}
ipcMainProxy.handle('settings-write', (event, arg) => {
writeSettings(arg);
// dashboard requires kubernetes, so we want to close it if kubernetes is disabled
if (arg?.kubernetes?.enabled === false) {
closeDashboard();
}
event.sender.sendToFrame(event.frameId, 'settings-update', cfg);
});
mainEvents.on('settings-write', writeSettings);
mainEvents.on('extensions/ui/uninstall', (id) => {
window.send('ok:extensions/uninstall', id);
});
mainEvents.on('dialog-info', (args) => {
window.getWindow(args.dialog)?.webContents.send('dialog/info', args);
});
ipcMainProxy.on('extensions/open', (_event, id, path) => {
window.openExtension(id, path);
});
ipcMainProxy.on('extensions/close', () => {
window.closeExtension();
});
ipcMainProxy.handle('transient-settings-fetch', () => {
return Promise.resolve(TransientSettings.value);
});
ipcMainProxy.handle('transient-settings-update', (event, arg) => {
TransientSettings.update(arg);
});
ipcMainProxy.on('k8s-state', (event) => {
event.returnValue = k8smanager.state;
});
ipcMainProxy.on('k8s-current-engine', () => {
window.send('k8s-current-engine', currentContainerEngine);
});
ipcMainProxy.on('k8s-current-port', () => {
window.send('k8s-current-port', k8smanager.kubeBackend.desiredPort);
});
ipcMainProxy.on('k8s-reset', async(_, arg) => {
await doK8sReset(arg, { interactive: true });
});
ipcMainProxy.handle('api-get-credentials', () => mainEvents.invoke('api-get-credentials'));
ipcMainProxy.handle('get-locked-fields', () => settingsImpl.getLockedSettings());
function backendIsBusy() {
return [K8s.State.STARTING, K8s.State.STOPPING].includes(k8smanager.state);
}
async function doK8sReset(arg: 'fast' | 'wipe' | 'fullRestart', context: CommandWorkerInterface.CommandContext): Promise<void> {
// If not in a place to restart than skip it
if (backendIsBusy()) {
console.log(`Skipping reset, invalid state ${ k8smanager.state }`);
return;
}
try {
switch (arg) {
case 'fast':
await k8smanager.reset(cfg);
break;
case 'fullRestart':
await k8smanager.stop();
console.log(`Stopped Kubernetes backend cleanly.`);
await startK8sManager();
break;
case 'wipe':
console.log('Deleting VM to reset...');
await k8smanager.del();
console.log(`Deleted VM to reset exited cleanly.`);
await startK8sManager();
break;
}
} catch (ex) {
if (context.interactive) {
handleFailure(ex);
} else {
console.error(ex);
}
}
}
ipcMainProxy.on('k8s-restart', async() => {
if (cfg.kubernetes.port !== k8smanager.kubeBackend.desiredPort) {
// On port change, we need to wipe the VM.
return doK8sReset('wipe', { interactive: true });
} else if (cfg.containerEngine.name !== currentContainerEngine || cfg.kubernetes.enabled !== enabledK8s) {
return doK8sReset('fullRestart', { interactive: true });
}
try {
switch (k8smanager.state) {
case K8s.State.STOPPED:
case K8s.State.STARTED:
case K8s.State.DISABLED:
// Calling start() will restart the backend, possible switching versions
// as a side-effect.
await startK8sManager();
break;
}
} catch (ex) {
handleFailure(ex);
}
});
ipcMainProxy.on('k8s-versions', async() => {
try {
const versions = await k8smanager.kubeBackend.availableVersions;
const cachedOnly = await k8smanager.kubeBackend.cachedVersionsOnly();
window.send('k8s-versions', versions.map(v => v.versionEntry), cachedOnly);
} catch (ex) {
console.error(`Error handling k8s-versions: ${ ex }`);
window.send('k8s-versions', [], true);
}
});
ipcMainProxy.on('k8s-progress', () => {
window.send('k8s-progress', k8smanager.progress);
});
ipcMainProxy.handle('k8s-progress', () => {
return k8smanager.progress;
});
ipcMainProxy.handle('service-fetch', (_, namespace) => {
return k8smanager.kubeBackend.listServices(namespace);
});
ipcMainProxy.handle('service-forward', async(_, service, state) => {
const namespace = service.namespace ?? 'default';
if (state) {
const hostPort = service.listenPort ?? 0;
await doForwardPort(namespace, service.name, service.port, hostPort);
} else {
await doCancelForward(namespace, service.name, service.port);
}
});
async function doForwardPort(namespace: string, service: string, k8sPort: string | number, hostPort: number) {
return await k8smanager.kubeBackend.forwardPort(namespace, service, k8sPort, hostPort);
}
async function doCancelForward(namespace: string, service: string, k8sPort: string | number) {
return await k8smanager.kubeBackend.cancelForward(namespace, service, k8sPort);
}
ipcMainProxy.on('k8s-integrations', async() => {
mainEvents.emit('integration-update', await integrationManager.listIntegrations() ?? {});
});
ipcMainProxy.on('k8s-integration-set', (event, name, newState) => {
writeSettings({ WSL: { integrations: { [name]: newState } } });
});
mainEvents.on('integration-update', (state) => {
window.send('k8s-integrations', state);
});
/**
* Do a factory reset of the application. This will stop the currently running
* cluster (if any), and delete all of its data. This will also remove any
* rancher-desktop data, and restart the application.
*
* We need to write out rdctl output to a temporary directory because the logs directory
* will get removed by the factory-reset. This code writes out (to background.log) where this file
* exists, but if the user isn't tailing that file they won't see the message.
*/
async function doFactoryReset(keepSystemImages: boolean) {
// Don't wait for this process to return -- the whole point is for us to not be running.
const tmpdir = os.tmpdir();
const outfile = await fs.promises.open(path.join(tmpdir, 'rdctl-stdout.txt'), 'w');
const args = ['factory-reset', `--remove-kubernetes-cache=${ (!keepSystemImages) ? 'true' : 'false' }`];
if (cfg.application.debug) {
args.push('--verbose=true');
}
const rdctl = spawn(path.join(paths.resources, os.platform(), 'bin', 'rdctl'), args,
{
detached: true, windowsHide: true, stdio: ['ignore', outfile.fd, outfile.fd],
});
rdctl.unref();
console.debug(`If factory-reset fails, the rdctl factory-reset output files are in ${ tmpdir }`);
}
ipcMainProxy.on('factory-reset', (event, keepSystemImages) => {
doFactoryReset(keepSystemImages);
});
ipcMainProxy.on('show-logs', async(event) => {
const error = await Electron.shell.openPath(paths.logs);
if (error) {
const browserWindow = Electron.BrowserWindow.fromWebContents(event.sender);
const options: MessageBoxOptions = {
message: error,
type: 'error',
title: `Error opening logs`,
detail: `Please manually open ${ paths.logs }`,
};
console.error(`Failed to open logs: ${ error }`);
if (browserWindow) {
await Electron.dialog.showMessageBox(browserWindow, options);
} else {
await Electron.dialog.showMessageBox(options);
}
}
});
ipcMainProxy.on('diagnostics/run', () => {
diagnostics.runChecks();
});
ipcMainProxy.on('get-app-version', async(event) => {
event.reply('get-app-version', await getVersion());
});
ipcMainProxy.on('snapshot', (event, args) => {
event.reply('snapshot', args);
});
ipcMainProxy.on('snapshot/cancel', () => {
window.send('snapshot/cancel');
});
ipcMainProxy.on('dialog/error', (event, args) => {
window.getWindow(args.dialog)?.webContents.send('dialog/error', args);
});
ipcMainProxy.on('dialog/close', (_event, args) => {
window.getWindow(args.dialog)?.webContents.send('dialog/close', args);
});
ipcMainProxy.handle('versions/macOs', () => {
return getMacOsVersion();
});
ipcMainProxy.handle('host/isArm', () => {
return process.arch === 'arm64';
});
ipcMainProxy.on('help/preferences/open-url', async() => {
Help.preferences.openUrl(await getVersion());
});
ipcMainProxy.handle('show-message-box', (_event, options: Electron.MessageBoxOptions): Promise<Electron.MessageBoxReturnValue> => {
return window.showMessageBox(options, false);
});
ipcMainProxy.handle('show-message-box-rd', async(_event, options: Electron.MessageBoxOptions, modal = false) => {
const mainWindow = modal ? window.getWindow('main') : null;
const dialog = window.openDialog(
'Dialog',
{
modal,
parent: mainWindow || undefined,
frame: true,
title: options.title,
height: 225,
});
let response: any;
dialog.webContents.on('ipc-message', (_event, channel, args) => {
if (channel === 'dialog/mounted') {
dialog.webContents.send('dialog/options', options);