Files
azuredatastudio/extensions/notebook/src/jupyter/jupyterServerInstallation.ts

341 lines
14 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
import * as fs from 'fs-extra';
import * as path from 'path';
import * as nls from 'vscode-nls';
import * as sqlops from 'sqlops';
import { ExecOptions } from 'child_process';
import * as decompress from 'decompress';
import * as request from 'request';
import { ApiWrapper } from '../common/apiWrapper';
import * as constants from '../common/constants';
import * as utils from '../common/utils';
import { OutputChannel, ConfigurationTarget, Event, EventEmitter, window } from 'vscode';
const localize = nls.loadMessageBundle();
const msgPythonInstallationProgress = localize('msgPythonInstallationProgress', 'Python installation is in progress');
const msgPythonInstallationComplete = localize('msgPythonInstallationComplete', 'Python installation is complete');
const msgPythonDownloadError = localize('msgPythonDownloadError', 'Error while downloading python setup');
const msgPythonDownloadPending = localize('msgPythonDownloadPending', 'Downloading python package');
const msgPythonUnpackPending = localize('msgPythonUnpackPending', 'Unpacking python package');
const msgPythonDirectoryError = localize('msgPythonDirectoryError', 'Error while creating python installation directory');
const msgPythonUnpackError = localize('msgPythonUnpackError', 'Error while unpacking python bundle');
const msgTaskName = localize('msgTaskName', 'Installing Notebook dependencies');
const msgInstallPkgStart = localize('msgInstallPkgStart', 'Installing Notebook dependencies, see Tasks view for more information');
const msgInstallPkgFinish = localize('msgInstallPkgFinish', 'Notebook dependencies installation is complete');
function msgDependenciesInstallationFailed(errorMessage: string): string { return localize('msgDependenciesInstallationFailed', 'Installing Notebook dependencies failed with error: {0}', errorMessage); }
function msgDownloadPython(platform: string, pythonDownloadUrl: string): string { return localize('msgDownloadPython', 'Downloading local python for platform: {0} to {1}', platform, pythonDownloadUrl); }
export default class JupyterServerInstallation {
/**
* Path to the folder where all configuration sets will be stored. Should always be:
* %extension_path%/jupyter_config
*/
public apiWrapper: ApiWrapper;
public extensionPath: string;
public pythonBinPath: string;
public outputChannel: OutputChannel;
public pythonEnvVarPath: string;
public execOptions: ExecOptions;
private _pythonInstallationPath: string;
private _pythonExecutable: string;
private _pythonPackageDir: string;
// Allows dependencies to be installed even if an existing installation is already present
private _forceInstall: boolean;
private static readonly DefaultPythonLocation = path.join(utils.getUserHome(), 'azuredatastudio-python');
private _installCompleteEmitter = new EventEmitter<string>();
constructor(extensionPath: string, outputChannel: OutputChannel, apiWrapper: ApiWrapper, pythonInstallationPath?: string, forceInstall?: boolean) {
this.extensionPath = extensionPath;
this.outputChannel = outputChannel;
this.apiWrapper = apiWrapper;
this._pythonInstallationPath = pythonInstallationPath || JupyterServerInstallation.getPythonInstallPath(this.apiWrapper);
this._forceInstall = !!forceInstall;
this.configurePackagePaths();
}
public get onInstallComplete(): Event<string> {
return this._installCompleteEmitter.event;
}
public static async getInstallation(
extensionPath: string,
outputChannel: OutputChannel,
apiWrapper: ApiWrapper,
pythonInstallationPath?: string,
forceInstall?: boolean): Promise<JupyterServerInstallation> {
let installation = new JupyterServerInstallation(extensionPath, outputChannel, apiWrapper, pythonInstallationPath, forceInstall);
await installation.startInstallProcess();
return installation;
}
private async installDependencies(backgroundOperation: sqlops.BackgroundOperation): Promise<void> {
if (!fs.existsSync(this._pythonExecutable) || this._forceInstall) {
window.showInformationMessage(msgInstallPkgStart);
this.outputChannel.show(true);
this.outputChannel.appendLine(msgPythonInstallationProgress);
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonInstallationProgress);
await this.installPythonPackage(backgroundOperation);
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonInstallationComplete);
this.outputChannel.appendLine(msgPythonInstallationComplete);
// Install jupyter on Windows because local python is not bundled with jupyter unlike linux and MacOS.
await this.installJupyterProsePackage();
await this.installSparkMagic();
backgroundOperation.updateStatus(sqlops.TaskStatus.Succeeded, msgInstallPkgFinish);
window.showInformationMessage(msgInstallPkgFinish);
}
}
private installPythonPackage(backgroundOperation: sqlops.BackgroundOperation): Promise<void> {
let bundleVersion = constants.pythonBundleVersion;
let pythonVersion = constants.pythonVersion;
let packageName = 'python-#pythonversion-#platform-#bundleversion.#extension';
let platformId = utils.getOSPlatformId();
packageName = packageName.replace('#platform', platformId)
.replace('#pythonversion', pythonVersion)
.replace('#bundleversion', bundleVersion)
.replace('#extension', process.platform === constants.winPlatform ? 'zip' : 'tar.gz');
let pythonDownloadUrl = undefined;
switch (utils.getOSPlatform()) {
case utils.Platform.Windows:
pythonDownloadUrl = 'https://go.microsoft.com/fwlink/?linkid=2074021';
break;
case utils.Platform.Mac:
pythonDownloadUrl = 'https://go.microsoft.com/fwlink/?linkid=2065976';
break;
default:
// Default to linux
pythonDownloadUrl = 'https://go.microsoft.com/fwlink/?linkid=2065975';
break;
}
let pythonPackagePathLocal = this._pythonInstallationPath + '/' + packageName;
let self = undefined;
return new Promise((resolve, reject) => {
self = this;
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgDownloadPython(platformId, pythonDownloadUrl));
fs.mkdirs(this._pythonInstallationPath, (err) => {
if (err) {
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonDirectoryError);
reject(err);
}
let totalMegaBytes: number = undefined;
let receivedBytes = 0;
let printThreshold = 0.1;
request.get(pythonDownloadUrl, { timeout: 20000 })
.on('error', (downloadError) => {
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonDownloadError);
reject(downloadError);
})
.on('response', (response) => {
if (response.statusCode !== 200) {
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonDownloadError);
reject(response.statusMessage);
}
let totalBytes = parseInt(response.headers['content-length']);
totalMegaBytes = totalBytes / (1024 * 1024);
this.outputChannel.appendLine(`${msgPythonDownloadPending} (0 / ${totalMegaBytes.toFixed(2)} MB)`);
})
.on('data', (data) => {
receivedBytes += data.length;
if (totalMegaBytes) {
let receivedMegaBytes = receivedBytes / (1024 * 1024);
let percentage = receivedMegaBytes / totalMegaBytes;
if (percentage >= printThreshold) {
this.outputChannel.appendLine(`${msgPythonDownloadPending} (${receivedMegaBytes.toFixed(2)} / ${totalMegaBytes.toFixed(2)} MB)`);
printThreshold += 0.1;
}
}
})
.pipe(fs.createWriteStream(pythonPackagePathLocal))
.on('close', () => {
//unpack python zip/tar file
this.outputChannel.appendLine(msgPythonUnpackPending);
let pythonSourcePath = path.join(this._pythonInstallationPath, constants.pythonBundleVersion);
if (fs.existsSync(pythonSourcePath)) {
try {
fs.removeSync(pythonSourcePath);
} catch (err) {
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonUnpackError);
reject(err);
}
}
decompress(pythonPackagePathLocal, self._pythonInstallationPath).then(files => {
//Delete zip/tar file
fs.unlink(pythonPackagePathLocal, (err) => {
if (err) {
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonUnpackError);
reject(err);
}
});
resolve();
}).catch(err => {
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonUnpackError);
reject(err);
});
})
.on('error', (downloadError) => {
backgroundOperation.updateStatus(sqlops.TaskStatus.InProgress, msgPythonDownloadError);
reject(downloadError);
});
});
});
}
private configurePackagePaths(): void {
//Python source path up to bundle version
let pythonSourcePath = path.join(this._pythonInstallationPath, constants.pythonBundleVersion);
this._pythonPackageDir = path.join(pythonSourcePath, 'offlinePackages');
// Update python paths and properties to reference user's local python.
let pythonBinPathSuffix = process.platform === constants.winPlatform ? '' : 'bin';
this._pythonExecutable = path.join(pythonSourcePath, process.platform === constants.winPlatform ? 'python.exe' : 'bin/python3');
this.pythonBinPath = path.join(pythonSourcePath, pythonBinPathSuffix);
// Store paths to python libraries required to run jupyter.
this.pythonEnvVarPath = process.env.Path;
let delimiter = path.delimiter;
if (process.platform === constants.winPlatform) {
let pythonScriptsPath = path.join(pythonSourcePath, 'Scripts');
this.pythonEnvVarPath = pythonScriptsPath + delimiter + this.pythonEnvVarPath;
}
this.pythonEnvVarPath = this.pythonBinPath + delimiter + this.pythonEnvVarPath;
// Store the executable options to run child processes with env var without interfering parent env var.
let env = Object.assign({}, process.env);
delete env['Path']; // Delete extra 'Path' variable for Windows, just in case.
env['PATH'] = this.pythonEnvVarPath;
this.execOptions = {
env: env
};
}
public async startInstallProcess(pythonInstallationPath?: string): Promise<void> {
if (pythonInstallationPath) {
this._pythonInstallationPath = pythonInstallationPath;
this.configurePackagePaths();
}
let updateConfig = () => {
let notebookConfig = this.apiWrapper.getConfiguration(constants.notebookConfigKey);
notebookConfig.update(constants.pythonPathConfigKey, this._pythonInstallationPath, ConfigurationTarget.Global);
};
if (!fs.existsSync(this._pythonExecutable) || this._forceInstall) {
this.apiWrapper.startBackgroundOperation({
displayName: msgTaskName,
description: msgTaskName,
isCancelable: false,
operation: op => {
this.installDependencies(op)
.then(() => {
this._installCompleteEmitter.fire();
updateConfig();
})
.catch(err => {
let errorMsg = msgDependenciesInstallationFailed(err);
op.updateStatus(sqlops.TaskStatus.Failed, errorMsg);
this.apiWrapper.showErrorMessage(errorMsg);
this._installCompleteEmitter.fire(errorMsg);
});
}
});
} else {
// Python executable already exists, but the path setting wasn't defined,
// so update it here
this._installCompleteEmitter.fire();
updateConfig();
}
}
private async installJupyterProsePackage(): Promise<void> {
if (process.platform === constants.winPlatform) {
let requirements = path.join(this._pythonPackageDir, 'requirements.txt');
let installJupyterCommand = `${this._pythonExecutable} -m pip install --no-index -r ${requirements} --find-links ${this._pythonPackageDir} --no-warn-script-location`;
this.outputChannel.show(true);
this.outputChannel.appendLine(localize('msgInstallStart', 'Installing required packages to run Notebooks...'));
await utils.executeStreamedCommand(installJupyterCommand, this.outputChannel);
this.outputChannel.appendLine(localize('msgJupyterInstallDone', '... Jupyter installation complete.'));
} else {
return Promise.resolve();
}
}
private async installSparkMagic(): Promise<void> {
if (process.platform === constants.winPlatform) {
let sparkWheel = path.join(this._pythonPackageDir, `sparkmagic-${constants.sparkMagicVersion}-py3-none-any.whl`);
let installSparkMagic = `${this._pythonExecutable} -m pip install --no-index ${sparkWheel} --find-links ${this._pythonPackageDir} --no-warn-script-location`;
this.outputChannel.show(true);
this.outputChannel.appendLine(localize('msgInstallingSpark', 'Installing SparkMagic...'));
await utils.executeStreamedCommand(installSparkMagic, this.outputChannel);
} else {
return Promise.resolve();
}
}
public get pythonExecutable(): string {
return this._pythonExecutable;
}
public static isPythonInstalled(apiWrapper: ApiWrapper): boolean {
// Don't use _pythonExecutable here, since it could be populated with a default value
let pathSetting = JupyterServerInstallation.getPythonPathSetting(apiWrapper);
if (!pathSetting) {
return false;
}
let pythonExe = path.join(
pathSetting,
constants.pythonBundleVersion,
process.platform === constants.winPlatform ? 'python.exe' : 'bin/python3');
return fs.existsSync(pythonExe);
}
public static getPythonInstallPath(apiWrapper: ApiWrapper): string {
let userPath = JupyterServerInstallation.getPythonPathSetting(apiWrapper);
return userPath ? userPath : JupyterServerInstallation.DefaultPythonLocation;
}
private static getPythonPathSetting(apiWrapper: ApiWrapper): string {
let path = undefined;
if (apiWrapper) {
let notebookConfig = apiWrapper.getConfiguration(constants.notebookConfigKey);
if (notebookConfig) {
let configPythonPath = notebookConfig[constants.pythonPathConfigKey];
if (configPythonPath && fs.existsSync(configPythonPath)) {
path = configPythonPath;
}
}
}
return path;
}
public static getPythonBinPath(apiWrapper: ApiWrapper): string {
let pythonBinPathSuffix = process.platform === constants.winPlatform ? '' : 'bin';
return path.join(
JupyterServerInstallation.getPythonInstallPath(apiWrapper),
constants.pythonBundleVersion,
pythonBinPathSuffix);
}
}