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electric-cherry/src/lib/server/fleet/collections.ts
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import { randomUUID } from 'node:crypto';
import type { CollectionDetail, CollectionPreview, CollectionSummary } from '$lib/deployment-plan.js';
import { db } from '../db/index.js';
import { config, configFileForGame, komodoConfigured, rconConfigured } from '../config.js';
import { blueprintEntries, summarizeRecipe, type BlueprintEntry } from './launch-recipes.js';
import { nextAvailablePort, nextLobbyNumber, queueCreateServer } from './create.js';
import { getServerKey } from './server-keys.js';
import { parseServerName, zombieMapBySlug, zombieMaps } from './map-aliases.js';
function coverage(entries: BlueprintEntry[]) {
type Server = { name: string; game: string | null; map_slug: string | null; map: string | null };
const registered = db().prepare('SELECT name, game, map_slug, map FROM servers WHERE destroyed_at IS NULL').all() as Server[];
const queued = db().prepare(`SELECT j.server AS name, substr(j.server, 1, 2) AS game, j.map_slug, j.expected_map AS map
FROM server_creation_jobs j JOIN server_deployments d ON d.id = j.deployment_id
WHERE d.state IN ('queued', 'running', 'awaiting-health')`).all() as Server[];
const removing = new Set((db().prepare("SELECT server FROM server_deployments WHERE action = 'destroy' AND state IN ('waiting', 'running')").all() as { server: string }[]).map(row => row.server));
// A provisioning server can appear in both tables; count its identity once.
const servers = [...new Map([...queued, ...registered].map(server => [server.name, server])).values()];
return entries.map(entry => {
const existingServers = servers.filter(server => {
if (removing.has(server.name)) return false;
const parsed = parseServerName(server.name);
const game = server.game ?? parsed?.game;
if (game !== entry.recipe.game) return false;
if (server.map_slug) return server.map_slug === entry.recipe.mapSlug;
const namedMap = parsed?.mapCanonical ? zombieMapBySlug(game, parsed.mapSlug) : undefined;
if (namedMap && (!server.map || server.map === namedMap.canonical)) return namedMap.slug === entry.recipe.mapSlug;
// Legacy canonical maps are usable only when they identify one variant.
const matches = zombieMaps(game).filter(map => map.canonical === server.map);
return matches.length === 1 && matches[0].slug === entry.recipe.mapSlug;
}).map(server => server.name).sort();
return { existingServers, existing: existingServers.length, missing: Math.max(0, entry.count - existingServers.length) };
});
}
function allocate(entries: BlueprintEntry[]): CollectionPreview['servers'] {
const names: string[] = [];
const ports: number[] = [];
const counts = coverage(entries);
return entries.flatMap((entry, entryIndex) => Array.from({ length: counts[entryIndex].missing }, () => {
const base = `${entry.recipe.game}_zombie_${entry.recipe.mapSlug}`;
const lobby = nextLobbyNumber(base, names);
const name = lobby === null ? null : `${base}_${lobby}`;
const port = nextAvailablePort(ports);
if (name) names.push(name);
if (port !== null) ports.push(port);
return { entryIndex, name, port, hasSavedKey: !!name && !!getServerKey(name) };
}));
}
function blockersFor(entries: BlueprintEntry[], servers: CollectionPreview['servers']): string[] {
const blockers: string[] = [];
if (!servers.length) return blockers;
if (!komodoConfigured() || !config.komodo.targetServer) blockers.push('Configure Komodo credentials and a target host before launching.');
if (!rconConfigured()) blockers.push('Configure RCON_PASSWORD so every new server can be verified.');
if (servers.some(server => !server.name)) blockers.push('There are not enough free lobbies for one or more maps (20 per map). Reduce their counts or free capacity.');
if (servers.some(server => server.port === null)) blockers.push(`There are not enough free game ports in ${config.portRange.min}–${config.portRange.max} for the whole collection.`);
if (servers.some(server => entries[server.entryIndex].recipe.configFile !== configFileForGame(entries[server.entryIndex].recipe.game))) blockers.push('A saved config filename no longer matches the host settings. Create a new blueprint with the current setup.');
return blockers;
}
export function previewCollection(blueprintId: unknown): CollectionPreview {
if (typeof blueprintId !== 'string' || !blueprintId) throw new Error('Choose a blueprint to launch.');
return db().transaction(() => {
const { entries, blueprintName } = blueprintEntries(blueprintId);
const servers = allocate(entries);
const counts = coverage(entries);
const blockers = blockersFor(entries, servers);
const id = randomUUID();
const expiresAt = new Date(Date.now() + 30 * 60_000).toISOString();
db().prepare('DELETE FROM server_collection_previews WHERE expires_at < ? AND collection_id IS NULL').run(new Date().toISOString());
db().prepare('INSERT INTO server_collection_previews (id, expires_at, blueprint_name, entries, servers) VALUES (?, ?, ?, ?, ?)')
.run(id, expiresAt, blueprintName, JSON.stringify(entries), JSON.stringify(servers));
return { id, expiresAt, blueprintName, servers, blockers, ready: blockers.length === 0,
entries: entries.map((entry, index) => ({ count: entry.count, ...counts[index], recipe: summarizeRecipe(entry.recipe) })) };
})();
}
/** Reserve and enqueue the entire collection atomically. No external operations here. */
export function queueCollection(input: { previewId?: unknown; keys?: unknown }): { ok: true; collectionId: string | null } {
if (typeof input.previewId !== 'string' || !input.previewId) throw new Error('Review a collection preview before launching.');
if (input.keys !== undefined && (!input.keys || typeof input.keys !== 'object' || Array.isArray(input.keys))) throw new Error('Provide keys indexed by the exact server ID.');
const keys = (input.keys ?? {}) as Record<string, unknown>;
return db().transaction(() => {
const preview = db().prepare('SELECT * FROM server_collection_previews WHERE id = ?').get(input.previewId) as {
id: string; expires_at: string; blueprint_name: string; entries: string; servers: string; collection_id: string | null;
} | undefined;
if (!preview) throw new Error('Collection preview expired or was not found. Refresh the preview.');
if (preview.collection_id) return { ok: true as const, collectionId: preview.collection_id };
if (preview.expires_at <= new Date().toISOString()) throw new Error('Collection preview expired. Refresh it before launching.');
const entries: BlueprintEntry[] = JSON.parse(preview.entries);
const reviewed: CollectionPreview['servers'] = JSON.parse(preview.servers);
const servers = allocate(entries);
const blockers = blockersFor(entries, servers);
if (blockers.length) throw new Error(blockers.join(' '));
if (servers.length !== reviewed.length || servers.some((server, i) => server.entryIndex !== reviewed[i]?.entryIndex || server.name !== reviewed[i]?.name || server.port !== reviewed[i]?.port)) {
throw new Error('Fleet counts, lobby or port availability changed. Nothing was queued. Refresh the preview and review each server key.');
}
const expected = new Set(servers.map(server => server.name));
for (const [name, value] of Object.entries(keys)) {
if (!expected.has(name) || typeof value !== 'string') throw new Error('Keys must be strings for server IDs shown in this preview.');
}
if (!servers.length) return { ok: true as const, collectionId: null };
const collectionId = randomUUID();
db().prepare('INSERT INTO server_launch_collections (id, name, created_at) VALUES (?, ?, ?)')
.run(collectionId, preview.blueprint_name, new Date().toISOString());
servers.forEach((server, index) => {
const recipe = entries[server.entryIndex].recipe;
const childPreviewId = randomUUID();
db().prepare('INSERT INTO server_launch_previews (id, expires_at, server, port, recipe, blueprint_name) VALUES (?, ?, ?, ?, ?, ?)')
.run(childPreviewId, preview.expires_at, server.name, server.port, JSON.stringify(recipe), preview.blueprint_name);
const result = queueCreateServer({ game: recipe.game, gameMode: 'zombie', mapSlug: recipe.mapSlug,
expectedName: server.name!, previewId: childPreviewId, plutoKey: keys[server.name!] as string | undefined, createdBy: 'ui' });
// Throw so the outer transaction also reverses all earlier keys and children.
if (!result.ok) throw new Error(`${server.name}: ${result.message} Nothing was queued.`);
db().prepare('INSERT INTO server_collection_members (collection_id, deployment_id, position) VALUES (?, ?, ?)')
.run(collectionId, result.deploymentId, index);
});
db().prepare('UPDATE server_collection_previews SET collection_id = ? WHERE id = ?').run(collectionId, preview.id);
return { ok: true as const, collectionId };
})();
}
const summarySql = `SELECT c.id, c.name, c.created_at, COUNT(d.id) AS total,
COALESCE(SUM(d.state IN ('done', 'warning')), 0) AS done,
COALESCE(SUM(d.state IN ('failed', 'interrupted')), 0) AS failed,
COALESCE(SUM(d.state IN ('queued', 'running', 'awaiting-health', 'waiting')), 0) AS active
FROM server_launch_collections c
LEFT JOIN server_collection_members m ON m.collection_id = c.id
LEFT JOIN server_deployments d ON d.id = m.deployment_id`;
export function listCollections(): CollectionSummary[] {
return db().prepare(summarySql + ' GROUP BY c.id ORDER BY c.created_at DESC, c.rowid DESC').all() as CollectionSummary[];
}
export function getCollection(id: string): CollectionDetail | null {
const collection = db().prepare(summarySql + ' WHERE c.id = ? GROUP BY c.id').get(id) as CollectionSummary | undefined;
if (!collection) return null;
const servers = db().prepare(`SELECT d.id, d.server, d.state, d.stage, d.started_at, d.finished_at, d.error, j.port, j.map_slug,
EXISTS(SELECT 1 FROM servers s WHERE s.name = d.server) AS server_exists
FROM server_collection_members m JOIN server_deployments d ON d.id = m.deployment_id
JOIN server_creation_jobs j ON j.deployment_id = d.id WHERE m.collection_id = ? ORDER BY m.position`).all(id) as CollectionDetail['servers'];
return { collection, servers };
}