testcontainers
Version:
Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container
54 lines • 2.21 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.resolveHost = void 0;
const url_1 = require("url");
const fs_1 = require("fs");
const run_in_container_1 = require("./run-in-container");
const common_1 = require("../../common");
const resolveHost = async (dockerode, strategyResult, indexServerAddress, env = process.env) => {
if (strategyResult.allowUserOverrides) {
if (env.TESTCONTAINERS_HOST_OVERRIDE !== undefined) {
return env.TESTCONTAINERS_HOST_OVERRIDE;
}
}
const { protocol, hostname } = new url_1.URL(strategyResult.uri);
switch (protocol) {
case "http:":
case "https:":
case "tcp:":
return hostname;
case "unix:":
case "npipe:": {
if (isInContainer()) {
const networkName = strategyResult.uri.includes("podman.sock") ? "podman" : "bridge";
const gateway = await findGateway(dockerode, networkName);
if (gateway !== undefined) {
return gateway;
}
const defaultGateway = await findDefaultGateway(dockerode, indexServerAddress);
if (defaultGateway !== undefined) {
return defaultGateway;
}
}
return "localhost";
}
default:
throw new Error(`Unsupported protocol: ${protocol}`);
}
};
exports.resolveHost = resolveHost;
const findGateway = async (dockerode, networkName) => {
common_1.log.debug(`Checking gateway for Docker host...`);
const inspectResult = await dockerode.getNetwork(networkName).inspect();
return inspectResult?.IPAM?.Config?.find((config) => config.Gateway !== undefined)?.Gateway;
};
const findDefaultGateway = async (dockerode, indexServerAddress) => {
common_1.log.debug(`Checking default gateway for Docker host...`);
return (0, run_in_container_1.runInContainer)(dockerode, indexServerAddress, "alpine:3.14", [
"sh",
"-c",
"ip route|awk '/default/ { print $3 }'",
]);
};
const isInContainer = () => (0, fs_1.existsSync)("/.dockerenv");
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