mirror of
https://github.com/balena-os/balena-supervisor.git
synced 2024-12-20 06:07:57 +00:00
b003f48d7b
Also includes various improvements and bugfixes to services and the migration from legacy /data to volumes. The switch ti migrations involves a dirty hack for webpack to properly resolve the paths to the migrations js files - it uses an expression that webpack can't resolve, so we hardcode it to a value and use the ContextReplacementPlugin to make that value resolve to the migrations folder. The downsides to this approach are: - a change in knex code would break this - the migration code is added twice to the supervisor image: once in the migrations folder (because knex needs to loop through the directory to find the files), and once inside app.js (because I can't make webpack treat them as external) Signed-off-by: Pablo Carranza Velez <pablo@resin.io>
115 lines
2.8 KiB
JavaScript
115 lines
2.8 KiB
JavaScript
var webpack = require('webpack');
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var path = require('path');
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var fs = require('fs');
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var _ = require('lodash');
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var path = require('path');
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var UglifyPlugin = require("uglifyjs-webpack-plugin");
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const CopyWebpackPlugin = require('copy-webpack-plugin');
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var externalModules = [
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'mkfifo',
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'sqlite3',
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'mysql2',
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'pg',
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'mariasql',
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'mssql',
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'mysql',
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'strong-oracle',
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'oracle',
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'oracledb',
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'pg-query-stream'
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]
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var requiredModules = []
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var maybeOptionalModules = []
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lookForOptionalDeps = function (sourceDir) {
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// We iterate over the node modules and mark all optional dependencies as external
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var dirs = fs.readdirSync(sourceDir)
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for (let dir of dirs) {
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let packageJson = {};
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let internalNodeModules = path.join(sourceDir, dir, 'node_modules');
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if (fs.existsSync(internalNodeModules)) {
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lookForOptionalDeps(internalNodeModules);
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}
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try {
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packageJson = JSON.parse(fs.readFileSync(path.join(sourceDir, dir, '/package.json')));
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}
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catch (e) {
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continue;
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}
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if (packageJson.optionalDependencies != null){
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maybeOptionalModules = maybeOptionalModules.concat(_.keys(packageJson.optionalDependencies))
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}
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if (packageJson.dependencies != null){
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requiredModules = requiredModules.concat(_.keys(packageJson.dependencies))
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}
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}
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}
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lookForOptionalDeps('./node_modules')
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externalModules.push(new RegExp('^(' + _.reject(maybeOptionalModules, requiredModules).map(_.escapeRegExp).join('|') + ')(/.*)?$'));
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console.log('Using the following dependencies as external:', externalModules);
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module.exports = function (env) {
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let plugins = [
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new webpack.DefinePlugin({
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'process.env.NODE_ENV': '"production"',
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}),
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new CopyWebpackPlugin([
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{
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from: './src/migrations',
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to: 'migrations'
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}
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]),
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new webpack.ContextReplacementPlugin(
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/\.\/migrations/,
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path.resolve(__dirname, 'src/migrations')
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)
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]
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if (env == null || !env.noOptimize) {
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plugins.push(new UglifyPlugin())
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}
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return {
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entry: './src/app.coffee',
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output: {
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filename: 'app.js',
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path: path.resolve(__dirname, 'dist')
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},
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resolve: {
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extensions: [".js", ".json", ".coffee"]
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},
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target: 'node',
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node: {
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__dirname: false
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},
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module: {
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rules: [
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{
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test: /knex\/lib\/migrate\/index\.js$/,
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use: require.resolve('./hardcode-migrations')
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},
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{
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test: /JSONStream\/index\.js$/,
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use: require.resolve('./fix-jsonstream')
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},
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{
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test: /\.coffee$/,
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use: require.resolve('coffee-loader')
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}
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]
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},
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externals: (context, request, callback) => {
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for (let m of externalModules) {
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if ((typeof m === 'string' && m === request) || (m instanceof RegExp && m.test(request))) {
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return callback(null, 'commonjs ' + request);
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} else if (typeof m != 'string' && !(m instanceof RegExp)) {
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throw new Error('Invalid entry in external modules: ' + m);
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}
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}
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return callback()
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},
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plugins: plugins
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};
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}
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