refactor: make provisioning own instance lifecycle operations
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@@ -0,0 +1,147 @@
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import { db } from '../db/index.js';
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import { komodoConfigured, rconConfigured } from '../config.js';
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import { getServer } from '../fleet/servers.js';
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import { deploymentStage, finishDeployment, REMOVING_SERVER } from './history.js';
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import { processCreations, processDestructions, rebuildServer } from './instances.js';
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import { komodoInspectHealthy, komodoRuntimeAction } from '../integrations/komodo.js';
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import { rconGetPlayerCount } from '../integrations/rcon.js';
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import { refreshRestartRollout, restartInRollout, rolloutWaitReason } from './restarts.js';
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import { cancelProvisioning } from './requests.js';
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import type { RuntimeAction } from '../../provisioning.js';
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const stoppedStates = new Set(['stopped', 'exited', 'created', 'dead']);
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export const isStopped = (state?: string) => stoppedStates.has(state?.toLowerCase() ?? '');
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interface Source { kind: 'campaign' | 'beta' | 'maintenance'; source_id: string }
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const sourcesFor = (id: string) => db().prepare('SELECT kind, source_id FROM provisioning_sources WHERE operation_id = ?').all(id) as Source[];
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const priority = (sources: Source[]) => sources.some(s => s.kind === 'beta') ? 0 : sources.some(s => s.kind === 'campaign') ? 1 : sources.some(s => s.kind === 'maintenance') ? 3 : 2;
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/** Source work may hold or withdraw a request, but never executes it. */
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function sourceEligibility(operation: Operation): 'ready' | 'held' | 'cancelled' {
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const sources = sourcesFor(operation.id);
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if (!sources.length) return 'ready';
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let held = false;
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for (const source of sources) {
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if (source.kind === 'campaign') {
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const row = db().prepare('SELECT restart_state, files_changed, provisioning_id FROM deployment_servers WHERE deployment_id = ? AND server = ?')
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.get(source.source_id, operation.server) as { restart_state: string; files_changed: number; provisioning_id: string } | undefined;
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if (row?.provisioning_id !== operation.id || !row.files_changed) continue;
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if (['pending','failed'].includes(row.restart_state)) return 'ready';
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if (['held','manual'].includes(row.restart_state)) held = true;
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} else if (source.kind === 'beta') {
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const row = db().prepare(`SELECT b.state, bs.stage, bs.provisioning_id, p.outcome FROM beta_servers bs JOIN betas b ON b.id = bs.beta_id
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LEFT JOIN beta_test_plans p ON p.beta_id = b.id WHERE bs.beta_id = ? AND bs.server = ?`)
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.get(source.source_id, operation.server) as { state: string; stage: string; provisioning_id: string; outcome: string | null } | undefined;
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if (row?.provisioning_id !== operation.id || !['running','ready-promote'].includes(row.state)) continue;
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if (!['awaiting-empty','restarting','awaiting-health'].includes(row.stage)) continue;
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if (!row.outcome || ['active','passed'].includes(row.outcome)) return 'ready';
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if (row.outcome === 'paused') held = true;
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} else {
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const row = db().prepare('SELECT state, provisioning_id FROM maintenance_jobs WHERE id = ?').get(source.source_id) as { state: string; provisioning_id: string } | undefined;
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if (row?.provisioning_id === operation.id && ['queued','restarting'].includes(row.state)) return 'ready';
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}
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}
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return held ? 'held' : 'cancelled';
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}
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function blocker(server: string, id: string): string | null {
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const sources = sourcesFor(id);
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const rank = priority(sources);
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const others = db().prepare(`SELECT id, state, action, rowid FROM server_deployments WHERE server = ? AND id != ?
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AND state IN ('queued','waiting','running','awaiting-health')`).all(server, id) as { id: string; state: string; action: string; rowid: number }[];
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const own = db().prepare('SELECT rowid FROM server_deployments WHERE id = ?').get(id) as { rowid: number };
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if (others.some(other => other.state !== 'waiting' || other.action === 'destroy'
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|| priority(sourcesFor(other.id)) < rank || (priority(sourcesFor(other.id)) === rank && other.rowid < own.rowid))) {
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return 'Waiting for another provisioning operation on this server';
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}
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// Beta activation must not wait on the campaign rows that the beta itself
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// holds. Campaign/maintenance callers likewise never block on their own job.
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if (rank > 0 && db().prepare(`SELECT 1 FROM beta_servers bs JOIN betas b ON b.id = bs.beta_id
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WHERE bs.server = ? AND b.state IN ('running','ready-promote') LIMIT 1`).get(server)) return 'Waiting for beta work on this server';
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if (rank > 1 && db().prepare(`SELECT 1 FROM deployment_servers ds WHERE ds.server = ?
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AND ds.restart_state IN ('pending','failed','held') AND (ds.provisioning_id IS NULL OR EXISTS (
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SELECT 1 FROM server_deployments d WHERE d.id = ds.provisioning_id AND d.state IN ('queued','waiting','running','awaiting-health')))
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LIMIT 1`).get(server)) return 'Waiting for campaign work on this server';
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return rolloutWaitReason(server, id);
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}
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interface Operation { id: string; server: string; action: RuntimeAction; state: string; stage: string }
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let ticking: Promise<void> | null = null;
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export function processProvisioning(): Promise<void> {
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if (ticking) return ticking;
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ticking = run().finally(() => { ticking = null; });
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return ticking;
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}
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export const processLifecycle = processProvisioning;
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async function run(): Promise<void> {
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await processCreations();
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await processDestructions();
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await refreshRestartRollout();
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const operations = db().prepare(`SELECT id, server, action, state, stage FROM server_deployments
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WHERE action IN ('start','restart','stop','rebuild') AND (state = 'waiting' OR (action = 'stop' AND state = 'awaiting-health'))
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ORDER BY started_at, rowid`).all() as Operation[];
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for (const operation of operations) {
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try { await processOperation(operation); }
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catch (err) {
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// Observation failures are retried; remote mutations are never replayed.
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deploymentStage(operation.id, 'Waiting for verification: ' + (err as Error).message);
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}
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}
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}
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async function processOperation(operation: Operation): Promise<void> {
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const { id, server, action } = operation;
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if (operation.state === 'waiting') {
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const eligibility = sourceEligibility(operation);
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if (eligibility === 'cancelled') { cancelProvisioning(id, 'Requester cancelled or replaced this operation'); return; }
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if (eligibility === 'held') { deploymentStage(id, 'Waiting for the requester to resume'); return; }
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}
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if (action === 'rebuild' && operation.stage === REMOVING_SERVER) { await rebuildServer(id); return; }
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if (!getServer(server)) { finishDeployment(id, { ok: false, message: 'Server is no longer registered.' }); return; }
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if (!komodoConfigured() || !rconConfigured()) { deploymentStage(id, 'Waiting for Komodo and RCON configuration'); return; }
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if (operation.state === 'awaiting-health') {
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const health = await komodoInspectHealthy(server);
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if (isStopped(health.state)) {
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db().prepare("UPDATE servers SET container_state = ?, last_players = NULL, last_roster = NULL, game_started_at = NULL, game_ended_at = NULL WHERE name = ?").run(health.state, server);
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deploymentStage(id, 'Verified container stopped');
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finishDeployment(id, { ok: true });
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} else deploymentStage(id, 'Waiting for container to stop' + (!health.ok ? ': ' + health.reason : ''));
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return;
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}
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const reason = blocker(server, id);
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if (reason) { deploymentStage(id, reason); return; }
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const health = await komodoInspectHealthy(server);
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if (action !== 'start' && !isStopped(health.state)) {
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const players = await rconGetPlayerCount(server);
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db().prepare('UPDATE server_deployments SET players = ?, checked_at = ? WHERE id = ?').run(players, new Date().toISOString(), id);
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if (players !== 0) {
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deploymentStage(id, players === null ? 'Waiting for a fresh player count' : `Waiting for ${players} player(s) to leave`);
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return;
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}
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}
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// Requests can arrive during the probes. Recheck before claiming the action.
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if (blocker(server, id) || sourceEligibility(operation) !== 'ready') return;
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if (!db().prepare("SELECT 1 FROM server_deployments WHERE id = ? AND state = 'waiting'").get(id)) return;
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if (action === 'rebuild') { await rebuildServer(id); return; }
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const claim = db().prepare("UPDATE server_deployments SET state = 'running' WHERE id = ? AND state = 'waiting'").run(id);
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if (!claim.changes) return;
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if (action === 'start' || action === 'restart') {
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const result = await restartInRollout(server, { operationId: id, action });
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if (result.kind === 'queued') {
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db().prepare("UPDATE server_deployments SET state = 'waiting' WHERE id = ?").run(id);
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deploymentStage(id, result.message);
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}
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return;
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}
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db().prepare('UPDATE server_deployments SET submitted_at = ? WHERE id = ?').run(new Date().toISOString(), id);
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deploymentStage(id, 'Stopping container');
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// Persist intent first; a lost reply must not issue another stop later.
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try {
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const result = await komodoRuntimeAction(server, 'stop');
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if (!result.ok) { finishDeployment(id, { ok: false, message: result.message }); return; }
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db().prepare("UPDATE server_deployments SET state = 'awaiting-health' WHERE id = ?").run(id);
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deploymentStage(id, 'Waiting for container to stop');
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} catch (err) { finishDeployment(id, { ok: false, message: (err as Error).message }); }
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}
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