129 lines
3.5 KiB
JavaScript
129 lines
3.5 KiB
JavaScript
const spawn = require('child_process').spawn;
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const execFile = require('child_process').execFile;
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const docker = {
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async run(image, commandArgs, options, execOptions) {
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const args = commandArgs
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? [image].concat(commandArgs)
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: image;
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const execMode = options.detach ? 'exec' : 'spawn';
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const child = await this.exec('run',
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args,
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options,
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execMode,
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execOptions
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);
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return options.detach
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? new Container(child.stdout.trim())
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: child;
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},
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async build(url, options, execOptions) {
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return await this.exec('build',
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url,
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options,
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'spawn',
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execOptions
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);
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},
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async start(id, options) {
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const ct = new Container(id);
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await ct.start(options);
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return ct;
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},
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async stop(id, options) {
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const ct = new Container(id);
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return await ct.stop(options);
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},
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async rm(id, options) {
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const ct = new Container(id);
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return await ct.rm(options);
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},
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async inspect(id, options) {
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const ct = new Container(id);
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return await ct.inspect(options);
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},
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async exec(command, args, options, execMode, execOptions) {
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const execArgs = [command];
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if (options)
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for (const option in options) {
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execArgs.push(`--${camelToSnake(option)}`);
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if (typeof options[option] !== 'boolean')
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execArgs.push(options[option]);
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}
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if (Array.isArray(args))
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Array.prototype.push.apply(execArgs, args);
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else if (args)
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execArgs.push(args);
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return await new Promise((resolve, reject) => {
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if (execMode == 'spawn') {
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if (execOptions === true)
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execOptions = {
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stdio: [
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process.stdin,
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process.stdout,
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process.stderr
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]
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};
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const child = spawn('docker', execArgs, execOptions || undefined);
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child.on('exit', code => {
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if (code !== 0) {
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const args = JSON.stringify(execArgs);
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reject(new Error(`docker: ${args}: exit code ${code}`));
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} else
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resolve(code);
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});
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} else {
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execFile('docker', execArgs, (err, stdout, stderr) => {
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if (err)
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reject(err);
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else
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resolve({stdout, stderr});
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});
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}
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});
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}
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};
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class Container {
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constructor(id) {
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if (!id)
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throw new Error('Container id argument is required');
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this.id = id;
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}
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async start(options) {
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await docker.exec('start', this.id, options);
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}
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async stop(options) {
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await docker.exec('stop', this.id, options);
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}
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async rm(options) {
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await docker.exec('rm', this.id, options);
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}
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async inspect(options) {
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const child = await docker.exec('inspect', this.id, options);
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return JSON.parse(child.stdout);
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}
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}
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function camelToSnake(str) {
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return str.replace(/[A-Z]/g, match => `-${match.toLowerCase()}`);
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}
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module.exports = docker;
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module.exports.Container = Container;
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