mongo/jstests/replsets/localhost2.js

// Test ReplSet default initiate with 0.0.0.0 binding
// @tags: [multiversion_incompatible]

import {ReplSetTest} from "jstests/libs/replsettest.js";

// Select localhost when binding to localhost
const rt = new ReplSetTest({name: "rsLocal", nodes: 1});
const primary = rt.startSet({bind_ip: "0.0.0.0"})[0];
const db = primary.getDB("admin");
const resp = assert.commandWorked(db.adminCommand({replSetInitiate: undefined}));
assert(!resp.me.startsWith("127.0.0.1:"), tojson(resp.me) + " should not start with 127.0.0.1:");
assert(!resp.me.startsWith("0.0.0.0:"), tojson(resp.me) + " should not start with 0.0.0.0:");
assert(!resp.me.startsWith("localhost:"), tojson(resp.me) + " should not start with localhost:");

// Wait for the primary to complete its election before shutting down the set.
assert.soon(() => db.runCommand({hello: 1}).isWritablePrimary);
rt.stopSet();