115 lines
4.7 KiB
JavaScript
115 lines
4.7 KiB
JavaScript
// Docker/Podman auf entfernten Hosts über die bestehende SSH-Verbindung (CLI per exec).
|
|
// Kein Zugriff auf den Docker-Socket nötig: MrTerm führt `docker ps`, `docker start` … aus.
|
|
// Fehlt die Berechtigung (Benutzer nicht in der Gruppe "docker"), wird sudo mit dem gespeicherten Host-Passwort versucht.
|
|
const i18n = require('../i18n');
|
|
|
|
const SAFE_ID = /^[a-zA-Z0-9][a-zA-Z0-9_.-]*$/;
|
|
const ACTIONS = { start: 'start', stop: 'stop', restart: 'restart', remove: 'rm -f' };
|
|
const LIST_FMT = "'{{.ID}}\\t{{.Names}}\\t{{.Image}}\\t{{.State}}\\t{{.Status}}\\t{{.Ports}}'";
|
|
const STATS_FMT = "'{{.ID}}\\t{{.CPUPerc}}\\t{{.MemUsage}}'";
|
|
const lastLine = (s) => String(s || '').split('\n').map((l) => l.trim()).filter(Boolean).slice(-1)[0] || '';
|
|
const denied = (s) => /permission denied|connect to the docker daemon socket/i.test(s);
|
|
|
|
function execOn(conn, cmd, stdin) {
|
|
return new Promise((resolve, reject) => {
|
|
conn.exec(cmd, (err, stream) => {
|
|
if (err) return reject(err);
|
|
let out = '', errOut = '';
|
|
stream.on('data', (d) => { out += d; });
|
|
stream.stderr.on('data', (d) => { errOut += d; });
|
|
stream.on('close', (code) => resolve({ code: code ?? 0, out, err: errOut }));
|
|
stream.end(stdin ?? '');
|
|
});
|
|
});
|
|
}
|
|
|
|
class DockerManager {
|
|
constructor(ssh) {
|
|
this.ssh = ssh;
|
|
this.sessions = new Map(); // id -> { conn, jumps, host, runtime, sudo }
|
|
}
|
|
|
|
async open(id, host, onClose) {
|
|
const { conn, jumps } = await this.ssh.connect(host, id);
|
|
this.sessions.set(id, { conn, jumps, host, runtime: null, sudo: false });
|
|
conn.on('close', () => { if (this.sessions.has(id)) { this.close(id); onClose(); } });
|
|
conn.on('error', () => {});
|
|
return this.list(id);
|
|
}
|
|
|
|
get(id) {
|
|
const s = this.sessions.get(id);
|
|
if (!s) throw new Error(i18n.t('Docker session not found'));
|
|
return s;
|
|
}
|
|
|
|
run(s, args) {
|
|
const sudo = s.sudo ? "sudo -S -p '' " : '';
|
|
return execOn(s.conn, `${sudo}${s.runtime} ${args}`, s.sudo ? `${s.host.password || ''}\n` : '');
|
|
}
|
|
|
|
async list(id) {
|
|
const s = this.get(id);
|
|
if (!s.runtime) {
|
|
const r = await execOn(s.conn, 'for c in docker podman; do if command -v $c >/dev/null 2>&1; then echo $c; exit 0; fi; done; exit 127');
|
|
if (r.code) throw new Error(i18n.t('Neither Docker nor Podman was found on this host.'));
|
|
s.runtime = r.out.trim();
|
|
}
|
|
let r = await this.run(s, `ps -a --format ${LIST_FMT}`);
|
|
if (r.code && denied(r.err) && !s.sudo) {
|
|
s.sudo = true;
|
|
r = await this.run(s, `ps -a --format ${LIST_FMT}`);
|
|
if (r.code) s.sudo = false;
|
|
}
|
|
if (r.code) {
|
|
if (denied(r.err) || /sudo/i.test(r.err)) {
|
|
throw new Error(i18n.t('No permission to use {runtime}. Add the user to the "docker" group (sudo usermod -aG docker {user}) or save the host password so MrTerm can use sudo.', { runtime: s.runtime, user: s.host.username || '$USER' }));
|
|
}
|
|
throw new Error(lastLine(r.err) || i18n.t('{runtime} exited with code {code}', { runtime: s.runtime, code: r.code }));
|
|
}
|
|
const containers = r.out.split('\n').filter(Boolean).map((l) => {
|
|
const [cid, name, image, state, status, ports] = l.split('\t');
|
|
return { id: cid.slice(0, 12), name, image, state: (state || '').toLowerCase(), status, ports };
|
|
});
|
|
return { runtime: s.runtime, sudo: s.sudo, containers };
|
|
}
|
|
|
|
// CPU/RAM der laufenden Container (dauert ~2 s)
|
|
async stats(id) {
|
|
const s = this.get(id);
|
|
const r = await this.run(s, `stats --no-stream --format ${STATS_FMT}`);
|
|
if (r.code) return {};
|
|
return Object.fromEntries(r.out.split('\n').filter(Boolean).map((l) => {
|
|
const [cid, cpu, mem] = l.split('\t');
|
|
return [cid.slice(0, 12), { cpu, mem }];
|
|
}));
|
|
}
|
|
|
|
async action(id, action, cid) {
|
|
const s = this.get(id);
|
|
if (!ACTIONS[action] || !SAFE_ID.test(cid)) throw new Error('Invalid action');
|
|
const r = await this.run(s, `${ACTIONS[action]} ${cid}`);
|
|
if (r.code) throw new Error(lastLine(r.err) || i18n.t('{runtime} exited with code {code}', { runtime: s.runtime, code: r.code }));
|
|
return true;
|
|
}
|
|
|
|
// Befehl für einen Terminal-Tab (läuft mit PTY; sudo fragt dort ggf. selbst nach dem Passwort)
|
|
command(id, kind, cid) {
|
|
const s = this.get(id);
|
|
if (!SAFE_ID.test(cid)) throw new Error('Invalid container');
|
|
const pre = `${s.sudo ? 'sudo ' : ''}${s.runtime}`;
|
|
if (kind === 'logs') return `${pre} logs -f --tail 500 ${cid}`;
|
|
return `${pre} exec -it ${cid} sh -c 'if command -v bash >/dev/null 2>&1; then exec bash; else exec sh; fi'`;
|
|
}
|
|
|
|
close(id) {
|
|
const s = this.sessions.get(id);
|
|
if (!s) return;
|
|
this.sessions.delete(id);
|
|
try { s.conn.end(); } catch {}
|
|
s.jumps?.forEach((c) => { try { c.end(); } catch {} });
|
|
}
|
|
}
|
|
|
|
module.exports = { DockerManager, execOn };
|