usenet-indexer/start/env.ts

/*
|--------------------------------------------------------------------------
| Environment variables service
|--------------------------------------------------------------------------
|
| The `Env.create` method creates an instance of the Env service. The
| service validates the environment variables and also cast values
| to JavaScript data types.
|
*/

import { Env } from '@adonisjs/core/env'

/**
 * A seeding node (`node ace seed:node`, CONCEPT.md D38) has no database,
 * Redis or web server, and in relay mode no NNTP account, but the app's
 * configuration still reads those settings: they get placeholders here, so
 * a node needs only SEED_URL and SEED_TOKEN. Values that are set win (e.g.
 * the NNTP account of a node with SEED_FETCH=direct).
 */
if (process.env.ACE_COMMAND === 'seed:node') {
  const placeholders: Record<string, string> = {
    NODE_ENV: 'production',
    PORT: '3333',
    HOST: '0.0.0.0',
    LOG_LEVEL: 'info',
    APP_KEY: 'unused-on-seed-nodes-unused-on-seed-nodes',
    APP_URL: 'http://localhost:3333',
    SESSION_DRIVER: 'memory',
    DB_CONNECTION: 'pg',
    DB_HOST: 'localhost',
    DB_PORT: '5432',
    DB_USER: 'unused',
    DB_DATABASE: 'unused',
    REDIS_HOST: 'localhost',
    REDIS_PORT: '6379',
    NNTP_HOST: 'localhost',
    NNTP_PORT: '563',
    NNTP_USER: 'unused',
    NNTP_PASSWORD: 'unused',
    NNTP_SECURE: 'true',
  }
  for (const [name, value] of Object.entries(placeholders)) process.env[name] ??= value
}

export default await Env.create(new URL('../', import.meta.url), {
  // Node
  NODE_ENV: Env.schema.enum(['development', 'production', 'test'] as const),
  PORT: Env.schema.number(),
  HOST: Env.schema.string({ format: 'host' }),
  LOG_LEVEL: Env.schema.string(),

  // App
  APP_KEY: Env.schema.secret(),
  APP_URL: Env.schema.string({ format: 'url', tld: false }),

  // Session
  SESSION_DRIVER: Env.schema.enum(['cookie', 'memory', 'database'] as const),

  // Database
  DB_CONNECTION: Env.schema.string(),
  DB_HOST: Env.schema.string({ format: 'host' }),
  DB_PORT: Env.schema.number(),
  DB_USER: Env.schema.string(),
  DB_PASSWORD: Env.schema.secret.optional(),
  DB_DATABASE: Env.schema.string(),
  DB_POOL_MAX: Env.schema.number.optional(),
  DB_SYNCHRONOUS_COMMIT: Env.schema.enum.optional(['on', 'off'] as const),

  // Redis
  REDIS_HOST: Env.schema.string({ format: 'host' }),
  REDIS_PORT: Env.schema.number(),
  REDIS_PASSWORD: Env.schema.secret.optional(),

  // Usenet (NNTP)
  NNTP_HOST: Env.schema.string({ format: 'host' }),
  NNTP_PORT: Env.schema.number(),
  NNTP_USER: Env.schema.string(),
  NNTP_PASSWORD: Env.schema.secret(),
  NNTP_SECURE: Env.schema.boolean(),
  NNTP_POOL_SIZE: Env.schema.number.optional(),
  NNTP_COMMAND_TIMEOUT_MS: Env.schema.number.optional(),
  NNTP_TLS_SERVERNAME: Env.schema.string.optional(),
  SEED_NNTP_CONNECTIONS: Env.schema.number.optional(),
  SEED_NNTP_TIMEOUT_MS: Env.schema.number.optional(),
  SEED_NNTP_COMPRESS: Env.schema.boolean.optional(),

  // Indexer (config/indexer.ts)
  BACKFILL_MAX_QUEUED: Env.schema.number.optional(),
  STAGING_GROUPS: Env.schema.string.optional(),
  COUNTER_GROUPING_GROUPS: Env.schema.string.optional(),
  FILE_CONCURRENCY: Env.schema.number.optional(),
  GC_REINDEX_INTERVAL_MS: Env.schema.number.optional(),
  GC_UNFINGERPRINTED_SECONDS: Env.schema.number.optional(),
  STAGING_TTL_SECONDS: Env.schema.number.optional(),
  BACKFILL_MAX_NVME_GB: Env.schema.number.optional(),
  BACKFILL_MAX_HDD_GB: Env.schema.number.optional(),
  INDEX_INTERVAL_MS: Env.schema.number.optional(),
  INDEX_BATCH_SIZE: Env.schema.number.optional(),
  INDEX_MAX_BATCHES_PER_TICK: Env.schema.number.optional(),
  INDEX_INITIAL_BACKFILL: Env.schema.number.optional(),
  FETCH_CONCURRENCY: Env.schema.number.optional(),
  BODY_CONCURRENCY: Env.schema.number.optional(),
  COLLECTION_CONCURRENCY: Env.schema.number.optional(),
  ARCHIVE_WALK_CONCURRENCY: Env.schema.number.optional(),
  RELEASE_COMPLETE_INTERVAL_MS: Env.schema.number.optional(),
  FILE_KEYS_FILL_SECONDS: Env.schema.number.optional(),
  ARCHIVE_WALK_MAX_SEGMENTS: Env.schema.number.optional(),
  DEFERRED_SETTLE_MS: Env.schema.number.optional(),
  DEFERRED_EXPAND_MAX_PARTS: Env.schema.number.optional(),
  DEFERRED_CONCURRENCY: Env.schema.number.optional(),
  SPOT_CONCURRENCY: Env.schema.number.optional(),
  SPOT_IMPORT_DAYS: Env.schema.number.optional(),

  // Newznab API (/api): required as ?apikey= when set
  NEWZNAB_API_KEY: Env.schema.secret.optional(),

  // Garbage collection (config/gc.ts)
  GC_INTERVAL_MS: Env.schema.number.optional(),
  GC_COMPLETED_AGE_SECONDS: Env.schema.number.optional(),
  GC_FAILED_AGE_SECONDS: Env.schema.number.optional(),
  GC_BINARY_STALE_SECONDS: Env.schema.number.optional(),
  GC_BODY_QUEUE_MAX: Env.schema.number.optional(),
  GC_DEFERRED_RETENTION_DAYS: Env.schema.number.optional(),
  GC_SINGLE_ARTICLE_SECONDS: Env.schema.number.optional(),
  GC_EMPTY_RELEASE_SECONDS: Env.schema.number.optional(),
  GC_DELETE_BUDGET_MS: Env.schema.number.optional(),
})