481 lines
19 KiB
JavaScript
481 lines
19 KiB
JavaScript
import { execFile } from 'node:child_process';
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import { promisify } from 'node:util';
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import { configureViaRcon, listRoundBackups, loadRoundBackup, rconStatus } from './rconConfigure.js';
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import { runRcon } from './rcon.js';
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import { sanitizeConsoleText } from './cs2Config.js';
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const exec = promisify(execFile);
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/**
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* Plant Spiel- und CSTV-Port für einen neuen Server. Der CSTV-Port liegt immer `tvPortOffset` (Standard 100)
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* über dem Spielport. Spielports kommen zuerst aus den LAN-Ports (damit der Server im LAN-Reiter des
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* Steam-Serverbrowsers auftaucht), danach aus dem normalen Bereich. null = kein Platz.
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*/
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export function planPorts(host, used) {
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const offset = host.tvPortOffset ?? 100;
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const free = (p) => !used.has(p) && p <= 65535;
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const candidates = [...(host.lanPorts ?? [])];
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for (let p = host.portRangeStart; p <= host.portRangeEnd; p += 1) candidates.push(p);
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const port = candidates.find((p) => free(p) && free(p + offset));
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return port === undefined ? null : { port, tvPort: port + offset };
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}
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/** Wie viele Server passen noch auf einen Host, wenn bereits `used` belegt ist. */
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export function countSlots(host, used) {
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const taken = new Set(used);
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let count = 0;
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for (;;) {
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const plan = planPorts(host, taken);
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if (!plan) return count;
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taken.add(plan.port);
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taken.add(plan.tvPort);
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count += 1;
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}
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}
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/** Fehler von "docker run", wenn ein Port auf dem Host schon von etwas anderem belegt ist. */
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const PORT_BUSY = /port is already allocated|address already in use/i;
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const DISK_CACHE_MS = 60_000;
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/** Liest Gesamt- und freien Speicher aus einer Zeile von `df -B1` (Spalten: Filesystem, 1B-blocks, Used, Available …). */
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export function parseDf(output) {
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const parts = String(output).trim().split(/\s+/);
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const totalBytes = Number(parts[1]);
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const freeBytes = Number(parts[3]);
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if (!Number.isFinite(totalBytes) || !Number.isFinite(freeBytes)) return null;
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return { totalBytes, freeBytes };
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}
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const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
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// Diese Zeile schreibt das Image, sobald SteamCMD fertig ist und der Spielserver startet.
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const UPDATE_DONE_MARKER = 'Starting CS2 Dedicated Server';
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/**
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* Startet pro Match einen eigenen CS2-Container (Standard-Image: joedwards32/cs2, Nachfolger von cm2network/cs2).
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* Benötigt Docker (lokal oder per DOCKER_HOST, z. B. ssh://…) und die Adresse, unter der Spieler
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* den Docker-Host erreichen (CS2_PUBLIC_HOST).
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*
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* Ohne CS2_GSLT laufen die Server im LAN-Modus (sv_lan 1): nur aus dem lokalen Netz erreichbar.
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*
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* Pro Match werden zwei aufeinanderfolgende Ports belegt: Spielport (TCP+UDP, auch RCON)
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* und CSTV-Port (UDP).
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*
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* Alle Container teilen sich das Volume mit den Spieldateien. Jeder prüft beim Start per SteamCMD
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* auf Updates; damit nie zwei gleichzeitig schreiben, starten Container nacheinander: der nächste
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* erst, wenn der vorige seinen Update-Check abgeschlossen hat.
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*/
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export class DockerServerAdapter {
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constructor(options, { getUsedPorts, runDocker } = {}) {
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this.name = 'docker';
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this.simulated = false;
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this.options = options;
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this.getUsedPorts = getUsedPorts;
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this.runDocker = runDocker; // nur für Tests
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this.lanMode = !options.gslt;
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this.startQueue = Promise.resolve();
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if (!options.host) throw new Error('SERVER_ADAPTER=docker benötigt CS2_PUBLIC_HOST');
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}
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async docker(args, timeout = 60_000) {
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if (this.runDocker) return this.runDocker(args, this.options.name);
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const env = this.options.dockerHost ? { ...process.env, DOCKER_HOST: this.options.dockerHost } : process.env;
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const { stdout } = await exec(this.options.bin, args, { timeout, maxBuffer: 4 * 1024 * 1024, env });
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return stdout.trim();
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}
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allocatePorts(blocked = new Set()) {
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const used = new Set([...this.getUsedPorts(), ...blocked]);
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const plan = planPorts(this.options, used);
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if (!plan) throw new Error('Kein freier Port im Bereich CS2_PORT_RANGE_START–CS2_PORT_RANGE_END');
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return plan;
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}
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/** Servername im Steam-Serverbrowser, z. B. "Maxlan | Team A vs. Team B". */
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serverName(matchId, teamNames) {
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const prefix = this.options.serverNamePrefix ? sanitizeConsoleText(this.options.serverNamePrefix, 24) : '';
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if (!teamNames) return `${prefix} ${matchId}`.trim();
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const title = `${sanitizeConsoleText(teamNames.A)} vs. ${sanitizeConsoleText(teamNames.B)}`;
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return (prefix ? `${prefix} | ${title}` : title).slice(0, 63);
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}
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async start(args) {
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// In die Warteschlange: erst starten, wenn der vorige Container seinen Update-Check hinter sich hat.
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const previous = this.startQueue;
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let release;
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this.startQueue = new Promise((resolve) => { release = resolve; });
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await previous;
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let result;
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try {
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result = await this.launch(args);
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} catch (err) {
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release();
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throw err;
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}
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this.waitForUpdateCheck(result.handle).finally(release);
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return result;
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}
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/**
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* Wartet, bis der Container SteamCMD abgeschlossen hat, beendet ist oder die Startzeit abläuft.
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* Fertig ist er, sobald der Spielserver per RCON antwortet (RCON gibt es erst nach SteamCMD) oder
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* die Startzeile im Log steht. Nur auf das Log zu schauen reicht nicht: Der Server schreibt danach
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* so viel, dass die Zeile schnell aus den letzten Zeilen herausfällt.
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*/
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async waitForUpdateCheck(handle, { pollMs = 3000 } = {}) {
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const deadline = Date.now() + this.options.startTimeoutMinutes * 60_000;
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while (Date.now() < deadline) {
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try {
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const state = await this.docker(['inspect', '-f', '{{.State.Status}}', handle.container], 15_000);
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if (state !== 'running' && state !== 'created') return;
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if (await this.isReachable(handle)) return;
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const logs = await this.docker(['logs', '--tail', '2000', handle.container], 15_000);
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if (logs.includes(UPDATE_DONE_MARKER)) return;
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} catch {
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return; // Container weg – nicht ewig blockieren
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}
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await sleep(pollMs);
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}
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}
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async isReachable(handle) {
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try {
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await rconStatus(this.target(handle));
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return true;
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} catch {
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return false;
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}
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}
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/**
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* Im Host-Netz meldet Docker keinen Portkonflikt, CS2 startet dann einfach nicht. Deshalb vorher per SSH
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* nachsehen, ob ein fremder Dienst den Port belegt. Ohne SSH-Ziel (oder in Tests) gilt der Port als frei.
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*/
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async hostPortsFree(ports) {
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if (this.runDocker || !this.options.dockerHost?.startsWith('ssh://')) return true;
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try {
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const filter = ports.map((p) => `sport = :${Number(p)}`).join(' or ');
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const { stdout } = await exec('ssh', [
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'-o', 'BatchMode=yes', '-o', 'ConnectTimeout=5', this.options.dockerHost.slice('ssh://'.length),
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`ss -Hlnut '( ${filter} )'`,
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], { timeout: 10_000 });
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return stdout.trim() === '';
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} catch {
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return true;
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}
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}
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async launch({ matchId, mode, secrets, teamNames, serverName }, blocked = new Set()) {
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const { port, tvPort } = this.allocatePorts(blocked);
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const lan = (this.options.lanPorts ?? []).includes(port);
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if (lan && blocked.size < 10 && !(await this.hostPortsFree([port, tvPort]))) {
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return this.launch({ matchId, mode, secrets, teamNames, serverName }, new Set([...blocked, port, tvPort]));
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}
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const container = `cs2mv-${matchId.replace(/[^a-zA-Z0-9_-]/g, '')}`.toLowerCase();
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const env = {
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...(this.lanMode ? { CS2_LAN: '1' } : { SRCDS_TOKEN: this.options.gslt, CS2_LAN: '0' }),
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CS2_SERVERNAME: serverName ? sanitizeConsoleText(serverName, 63) : this.serverName(matchId, teamNames),
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CS2_PORT: String(port),
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CS2_RCONPW: secrets.rconPassword,
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CS2_PW: secrets.serverPassword,
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// Spielerplätze + 1 für CSTV (belegt selbst einen Platz) + 1 Reserve (Admin, Ersatz)
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CS2_MAXPLAYERS: mode === 'wingman' ? '6' : '12',
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CS2_GAMETYPE: '0',
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CS2_GAMEMODE: mode === 'wingman' ? '2' : '1',
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CS2_SERVER_HIBERNATE: '0',
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// Ohne diesen Startparameter legt CS2 keine Rundensicherungen an (Rollback)
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CS2_ADDITIONAL_ARGS: '-allow_round_backup_files',
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TV_ENABLE: '1',
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TV_PORT: String(tvPort),
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TV_PW: secrets.tvPassword,
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TV_RELAY_PW: secrets.tvPassword,
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STEAMAPPVALIDATE: '0',
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};
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const args = ['run', '-d', '--name', container, '--label', 'cs2-mapveto=1'];
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for (const [k, v] of Object.entries(env)) args.push('-e', `${k}=${v}`);
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if (lan) {
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// Der LAN-Reiter von Steam sucht per Broadcast. Die Port-Weiterleitung von Docker reicht Broadcasts
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// nicht an den Container weiter, deshalb laufen Server auf LAN-Ports direkt im Netz des Hosts.
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args.push('--network', 'host');
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} else {
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args.push(
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'-p', `${port}:${port}/tcp`,
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'-p', `${port}:${port}/udp`,
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'-p', `${tvPort}:${tvPort}/udp`,
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);
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}
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args.push('-v', `${this.options.volume}:/home/steam/cs2-dedicated`);
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if (this.options.extraArgs) args.push(...this.options.extraArgs.split(' ').filter(Boolean));
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args.push(this.options.image);
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// Ein evtl. übrig gebliebener Container gleichen Namens (z. B. nach Retry) wird ersetzt.
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await this.docker(['rm', '-f', container]).catch(() => {});
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// Das erste "docker run" kann das Image laden und dauert dann länger.
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try {
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await this.docker(args, 15 * 60_000);
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} catch (err) {
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// Port von einem fremden Dienst belegt (die App kennt nur ihre eigenen Server): mit anderen Ports erneut versuchen
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if (!PORT_BUSY.test(`${err.message} ${err.stderr ?? ''}`) || blocked.size >= 10) throw err;
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await this.docker(['rm', '-f', container]).catch(() => {});
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return this.launch({ matchId, mode, secrets, teamNames, serverName }, new Set([...blocked, port, tvPort]));
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}
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return {
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handle: {
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container,
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hostName: this.options.name,
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rconHost: this.options.rconHost,
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port,
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startedAt: Date.now(),
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rconPassword: secrets.rconPassword,
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},
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host: this.options.host,
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port,
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tvPort,
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};
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}
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target(handle) {
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return { host: handle.rconHost, port: handle.port, password: handle.rconPassword };
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}
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async status(handle) {
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let state;
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try {
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state = await this.docker(['inspect', '-f', '{{.State.Status}}', handle.container], 15_000);
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} catch {
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return { state: 'stopped', message: 'Container existiert nicht mehr' };
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}
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if (state === 'exited' || state === 'dead') {
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const logs = await this.docker(['logs', '--tail', '5', handle.container]).catch(() => '');
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return { state: 'failed', message: `Container beendet. Letzte Ausgabe: ${logs.slice(-300) || '–'}` };
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}
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if (state !== 'running') return { state: 'starting', message: `Container-Status: ${state}` };
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try {
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const status = await rconStatus(this.target(handle));
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return { state: 'running', playerCount: status.playerCount, map: status.map };
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} catch {
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const minutes = Math.round((Date.now() - handle.startedAt) / 60_000);
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if (minutes >= this.options.startTimeoutMinutes) {
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return { state: 'failed', message: `Server nach ${minutes} Minuten nicht per RCON erreichbar` };
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}
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return { state: 'starting', message: 'Container läuft, Spielserver lädt (Update-Prüfung oder Start)' };
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}
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}
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async configure(handle, plan) {
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await configureViaRcon(this.target(handle), plan);
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}
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async listRoundBackups(handle, matchId) {
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return listRoundBackups(this.target(handle), matchId);
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}
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async loadRoundBackup(handle, file) {
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await loadRoundBackup(this.target(handle), file);
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}
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async sendCommands(handle, commands) {
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return runRcon(this.target(handle), commands);
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}
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async stop(handle) {
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await this.docker(['rm', '-f', handle.container]).catch(() => {});
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}
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}
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/**
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* Mehrere Docker-Hosts. Jedes Match läuft auf dem Host mit den meisten freien Port-Paaren,
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* der Host steht im Handle und damit im Match. Start, Status, Konfiguration und Stopp gehen
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* immer an denselben Host. Ohne CS2_DOCKER_HOSTS gibt es genau einen Host: den bisherigen.
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*/
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export class DockerHostPool {
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constructor(options, { getUsedPorts, runDocker } = {}) {
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this.name = 'docker';
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this.simulated = false;
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this.depsGetUsedPorts = getUsedPorts;
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this.runDocker = runDocker;
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this.options = options;
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this.diskCache = new Map();
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this.diskInflight = new Map();
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this.pull = { running: false, startedAt: null, finishedAt: null, results: [] };
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this.setHosts(options.hosts);
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}
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/** Baut die Host-Liste neu auf (beim Start und wenn der Admin die Hosts ändert). */
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setHosts(list) {
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const options = this.options;
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const hosts = list ?? [{
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name: 'default',
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dockerHost: process.env.DOCKER_HOST || null,
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publicHost: options.host,
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rconHost: options.rconHost,
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portRangeStart: options.portRangeStart,
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portRangeEnd: options.portRangeEnd,
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volume: options.volume,
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}];
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// Fehlende Angaben kommen aus den allgemeinen Docker-Einstellungen
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this.hosts = hosts.map((h) => {
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const host = {
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name: h.name,
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dockerHost: h.dockerHost ?? null,
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publicHost: h.publicHost ?? options.host,
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rconHost: h.rconHost ?? options.rconHost,
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portRangeStart: h.portRangeStart ?? options.portRangeStart,
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portRangeEnd: h.portRangeEnd ?? options.portRangeEnd,
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volume: h.volume ?? options.volume,
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lanPorts: h.lanPorts ?? options.lanPorts ?? [],
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tvPortOffset: options.tvPortOffset ?? 100,
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};
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const merged = { ...options, ...host, host: host.publicHost };
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// Die Startzeit kann der Admin zur Laufzeit ändern, deshalb immer aus den gemeinsamen Einstellungen lesen
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Object.defineProperty(merged, 'startTimeoutMinutes', { get: () => options.startTimeoutMinutes, enumerable: true });
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return merged;
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});
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this.adapters = new Map(this.hosts.map((h) => [h.name, new DockerServerAdapter(h, {
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getUsedPorts: () => (this.depsGetUsedPorts ? this.depsGetUsedPorts(h.publicHost) : new Set()),
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runDocker: this.runDocker,
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})]));
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this.diskCache.clear();
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}
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/**
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* Docker-Befehl direkt auf dem Host ausführen. Bei ssh:// per SSH, damit der Pull die Anmeldedaten des Hosts
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* nutzt und nicht den Credential-Helper des Rechners, auf dem die App läuft.
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*/
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async hostDocker(name, args, timeout) {
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const host = this.hosts.find((h) => h.name === name);
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if (!this.runDocker && host?.dockerHost?.startsWith('ssh://')) {
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const { stdout } = await exec('ssh', [
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'-o', 'BatchMode=yes', '-o', 'ConnectTimeout=10', host.dockerHost.slice('ssh://'.length),
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['docker', ...args].map((a) => `'${a}'`).join(' '),
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], { timeout, maxBuffer: 4 * 1024 * 1024 });
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return stdout.trim();
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}
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return this.adapters.get(name).docker(args, timeout);
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}
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/** Lädt das CS2-Image auf allen Hosts gleichzeitig neu. Laufende Server bleiben unberührt. */
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async pullImage() {
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if (this.pull.running) throw new Error('Das Image wird bereits aktualisiert');
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if (!/^[\w./:@-]+$/.test(this.options.image)) throw new Error('Ungültiger Image-Name');
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const hosts = this.hosts.map((h) => h.name);
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this.pull = {
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running: true,
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startedAt: Date.now(),
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finishedAt: null,
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image: this.options.image,
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results: hosts.map((name) => ({ name, state: 'running', message: null })),
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};
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await Promise.all(hosts.map(async (name, i) => {
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const result = this.pull.results[i];
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try {
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await this.hostDocker(name, ['pull', '--quiet', this.options.image], 20 * 60_000);
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const digest = await this.hostDocker(name, ['image', 'inspect', this.options.image, '--format', '{{index .RepoDigests 0}}'], 30_000)
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.catch(() => '');
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Object.assign(result, { state: 'ok', message: digest.split('@')[1]?.slice(0, 19) ?? 'aktualisiert' });
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} catch (err) {
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Object.assign(result, { state: 'failed', message: String(err.stderr || err.message).trim().split('\n').pop().slice(0, 200) });
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}
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}));
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this.pull.running = false;
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this.pull.finishedAt = Date.now();
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return this.pull;
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}
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pullStatus() {
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return this.pull;
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}
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/**
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* Freier Speicher auf einem Host, per SSH: dort, wo das Gameserver-Volume liegt. Ergebnis wird eine Minute lang
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* zwischengespeichert, weil die Admin-Seite alle paar Sekunden abfragt. Ohne ssh:// gibt es null.
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*/
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async diskUsage(name) {
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const host = this.hosts.find((h) => h.name === name);
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if (!host?.dockerHost?.startsWith('ssh://')) return null;
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const cached = this.diskCache.get(name);
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if (cached && Date.now() - cached.at < DISK_CACHE_MS) return cached.value;
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if (!this.diskInflight.has(name)) {
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this.diskInflight.set(name, (async () => {
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let value = null;
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try {
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const { stdout } = await exec('ssh', [
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'-o', 'BatchMode=yes', '-o', 'ConnectTimeout=5', host.dockerHost.slice('ssh://'.length),
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`df -B1 "$(docker volume inspect ${host.volume} --format '{{with .Options}}{{.device}}{{end}}' 2>/dev/null | grep . || docker volume inspect ${host.volume} --format '{{.Mountpoint}}' 2>/dev/null || echo /var/lib/docker)" 2>/dev/null || df -B1 /var/lib/docker 2>/dev/null || df -B1 /`,
|
||
], { timeout: 10_000 });
|
||
value = parseDf(stdout.trim().split('\n').pop());
|
||
} catch {
|
||
value = null;
|
||
}
|
||
this.diskCache.set(name, { at: Date.now(), value });
|
||
this.diskInflight.delete(name);
|
||
return value;
|
||
})());
|
||
}
|
||
return this.diskInflight.get(name);
|
||
}
|
||
|
||
/** Wie viele Server noch auf einen Host passen. */
|
||
freeSlots(host) {
|
||
return countSlots(host, this.getUsedPorts(host.publicHost));
|
||
}
|
||
|
||
/** Auslastung pro Host: Anzahl Serverplätze insgesamt und belegt. */
|
||
hostStats() {
|
||
return this.hosts.map((h) => {
|
||
const total = countSlots(h, new Set());
|
||
return { name: h.name, publicHost: h.publicHost, total, used: total - this.freeSlots(h) };
|
||
});
|
||
}
|
||
|
||
getUsedPorts(publicHost) {
|
||
return this.depsGetUsedPorts?.(publicHost) ?? new Set();
|
||
}
|
||
|
||
pickHost() {
|
||
const best = this.hosts
|
||
.map((h) => ({ host: h, free: this.freeSlots(h) }))
|
||
.filter((x) => x.free > 0)
|
||
.sort((a, b) => b.free - a.free)[0];
|
||
if (!best) throw new Error('Kein Docker-Host mit freien Ports');
|
||
return best.host;
|
||
}
|
||
|
||
async start(args) {
|
||
return this.adapters.get(this.pickHost().name).start(args);
|
||
}
|
||
|
||
adapterFor(handle) {
|
||
const name = handle?.hostName ?? this.hosts[0].name;
|
||
const adapter = this.adapters.get(name);
|
||
if (adapter) return adapter;
|
||
// Server aus der Zeit vor der Host-Liste (Name "default") oder nach einer Umbenennung: über die Adresse finden
|
||
const byAddress = handle?.rconHost && this.hosts.find((h) => h.rconHost === handle.rconHost || h.publicHost === handle.rconHost);
|
||
if (byAddress) return this.adapters.get(byAddress.name);
|
||
throw new Error(`Docker-Host "${name}" ist nicht (mehr) konfiguriert`);
|
||
}
|
||
|
||
async status(handle) {
|
||
return this.adapterFor(handle).status(handle);
|
||
}
|
||
|
||
async configure(handle, plan) {
|
||
return this.adapterFor(handle).configure(handle, plan);
|
||
}
|
||
|
||
async listRoundBackups(handle, matchId) {
|
||
return this.adapterFor(handle).listRoundBackups(handle, matchId);
|
||
}
|
||
|
||
async loadRoundBackup(handle, file) {
|
||
return this.adapterFor(handle).loadRoundBackup(handle, file);
|
||
}
|
||
|
||
async sendCommands(handle, commands) {
|
||
return this.adapterFor(handle).sendCommands(handle, commands);
|
||
}
|
||
|
||
async stop(handle) {
|
||
return this.adapterFor(handle).stop(handle);
|
||
}
|
||
}
|