compd/dist/readiness-detectors/tcp.js

Run a command under a docker-compose setup

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.makeDetector = void 0;
const net = require("net");
const already_1 = require("already");
const types_1 = require("./types");
const utils_1 = require("./utils");
function makeDetector(opts) {
    return {
        name: "tcp",
        matches(service) {
            return {
                ports: service.ports.filter(port => port.proto === 'tcp'),
                final: false,
            };
        },
        async waitFor(service) {
            const ports = service.ports.map(port => port.host);
            const available = async (port) => {
                return new Promise(resolve => {
                    const stream = net.createConnection(port, service.dockerHost);
                    stream.on('connect', () => {
                        resolve(true);
                        stream.destroy();
                    });
                    const events = ['error', 'close', 'timeout'];
                    events.forEach(event => stream.on(event, () => {
                        stream.destroy();
                        resolve(false);
                    }));
                });
            };
            const retryPort = async (port) => {
                const isUp = await (0, utils_1.retry)(() => available(port), opts.retryDelay, opts.retryTime);
                if (!isUp)
                    throw new types_1.RetryLimitError(`Port ${port} is not open`);
            };
            await (0, already_1.map)(ports, { concurrency: Infinity }, port => retryPort(port));
        },
    };
}
exports.makeDetector = makeDetector;