brain.add() was generating 26-40 immediate cloud writes per call, causing HTTP 429 rate limit errors and high latency on GCS/S3/R2/Azure. Three-layer fix: (1) deferred metadata writes with dirty-marking, (2) MetadataWriteBuffer for write coalescing, (3) retry/backoff on all cloud storage adapters.
2119 lines
70 KiB
TypeScript
2119 lines
70 KiB
TypeScript
/**
|
|
* Google Cloud Storage Adapter (Native)
|
|
* Uses the native @google-cloud/storage library for optimal performance and authentication
|
|
*
|
|
* Supports multiple authentication methods:
|
|
* 1. Application Default Credentials (ADC) - Automatic in Cloud Run/GCE
|
|
* 2. Service Account Key File
|
|
* 3. Service Account Credentials Object
|
|
* 4. HMAC Keys (fallback for backward compatibility)
|
|
*/
|
|
|
|
import {
|
|
GraphVerb,
|
|
HNSWNoun,
|
|
HNSWVerb,
|
|
NounMetadata,
|
|
VerbMetadata,
|
|
HNSWNounWithMetadata,
|
|
HNSWVerbWithMetadata,
|
|
StatisticsData,
|
|
NounType
|
|
} from '../../coreTypes.js'
|
|
import {
|
|
BaseStorage,
|
|
StorageBatchConfig,
|
|
NOUNS_DIR,
|
|
VERBS_DIR,
|
|
METADATA_DIR,
|
|
INDEX_DIR,
|
|
SYSTEM_DIR,
|
|
STATISTICS_KEY,
|
|
getDirectoryPath
|
|
} from '../baseStorage.js'
|
|
import { BrainyError } from '../../errors/brainyError.js'
|
|
import { CacheManager } from '../cacheManager.js'
|
|
import { createModuleLogger, prodLog } from '../../utils/logger.js'
|
|
import { MetadataWriteBuffer } from '../../utils/metadataWriteBuffer.js'
|
|
import { getGlobalSocketManager } from '../../utils/adaptiveSocketManager.js'
|
|
import { getGlobalBackpressure } from '../../utils/adaptiveBackpressure.js'
|
|
import { getWriteBuffer, WriteBuffer } from '../../utils/writeBuffer.js'
|
|
import { getCoalescer, RequestCoalescer } from '../../utils/requestCoalescer.js'
|
|
import { getShardIdFromUuid, getAllShardIds, getShardIdByIndex, TOTAL_SHARDS } from '../sharding.js'
|
|
import { InitMode } from './baseStorageAdapter.js'
|
|
|
|
// Type aliases for better readability
|
|
type HNSWNode = HNSWNoun
|
|
type Edge = HNSWVerb
|
|
|
|
// GCS client types - dynamically imported to avoid issues in browser environments
|
|
type Storage = any
|
|
type Bucket = any
|
|
type File = any
|
|
|
|
// GCS API limits
|
|
// Maximum value for maxResults parameter in GCS API calls
|
|
// Values above this cause "Invalid unsigned integer" errors
|
|
const MAX_GCS_PAGE_SIZE = 5000
|
|
|
|
/**
|
|
* Native Google Cloud Storage adapter for server environments
|
|
* Uses the @google-cloud/storage library with Application Default Credentials
|
|
*
|
|
* Authentication priority:
|
|
* 1. Application Default Credentials (if no credentials provided)
|
|
* 2. Service Account Key File (if keyFilename provided)
|
|
* 3. Service Account Credentials Object (if credentials provided)
|
|
* 4. HMAC Keys (if accessKeyId/secretAccessKey provided)
|
|
*
|
|
* Type-aware storage now built into BaseStorage
|
|
* - Removed 10 *_internal method overrides (now inherit from BaseStorage's type-first implementation)
|
|
* - Removed 2 pagination method overrides (getNounsWithPagination, getVerbsWithPagination)
|
|
* - Updated HNSW methods to use BaseStorage's getNoun/saveNoun (type-first paths)
|
|
* - All operations now use type-first paths: entities/nouns/{type}/vectors/{shard}/{id}.json
|
|
*/
|
|
export class GcsStorage extends BaseStorage {
|
|
private storage: Storage | null = null
|
|
private bucket: Bucket | null = null
|
|
private bucketName: string
|
|
private keyFilename?: string
|
|
private credentials?: object
|
|
private accessKeyId?: string
|
|
private secretAccessKey?: string
|
|
|
|
// Prefixes for different types of data
|
|
private nounPrefix: string
|
|
private verbPrefix: string
|
|
private metadataPrefix: string // Noun metadata
|
|
private verbMetadataPrefix: string // Verb metadata
|
|
private systemPrefix: string // System data (_system)
|
|
|
|
// Statistics caching for better performance
|
|
protected statisticsCache: StatisticsData | null = null
|
|
|
|
// Backpressure and performance management
|
|
private pendingOperations: number = 0
|
|
private maxConcurrentOperations: number = 100
|
|
private baseBatchSize: number = 10
|
|
private currentBatchSize: number = 10
|
|
private lastMemoryCheck: number = 0
|
|
private memoryCheckInterval: number = 5000 // Check every 5 seconds
|
|
private consecutiveErrors: number = 0
|
|
private lastErrorReset: number = Date.now()
|
|
|
|
// Adaptive backpressure for automatic flow control
|
|
private backpressure = getGlobalBackpressure()
|
|
|
|
// Write buffers for bulk operations
|
|
private nounWriteBuffer: WriteBuffer<HNSWNode> | null = null
|
|
private verbWriteBuffer: WriteBuffer<Edge> | null = null
|
|
|
|
// Request coalescer for deduplication
|
|
private requestCoalescer: RequestCoalescer | null = null
|
|
|
|
// Write buffering always enabled for consistent performance
|
|
// Removes dynamic mode switching complexity - cloud storage always benefits from batching
|
|
|
|
// Multi-level cache manager for efficient data access
|
|
private nounCacheManager: CacheManager<HNSWNode>
|
|
private verbCacheManager: CacheManager<Edge>
|
|
|
|
// Module logger
|
|
private logger = createModuleLogger('GcsStorage')
|
|
|
|
// HNSW mutex locks to prevent read-modify-write races
|
|
private hnswLocks = new Map<string, Promise<void>>()
|
|
|
|
// Configuration options
|
|
private skipInitialScan: boolean = false
|
|
private skipCountsFile: boolean = false
|
|
|
|
/**
|
|
* Initialize the storage adapter
|
|
*
|
|
* @param options Configuration options for Google Cloud Storage
|
|
*
|
|
* @example Zero-config (recommended) - auto-detects Cloud Run/Lambda for fast init
|
|
* ```typescript
|
|
* const storage = new GcsStorage({ bucketName: 'my-bucket' })
|
|
* await storage.init() // <200ms in Cloud Run, blocking locally
|
|
* ```
|
|
*
|
|
* @example Force progressive mode for all environments
|
|
* ```typescript
|
|
* const storage = new GcsStorage({
|
|
* bucketName: 'my-bucket',
|
|
* initMode: 'progressive' // Always <200ms init
|
|
* })
|
|
* ```
|
|
*
|
|
* @example Force strict validation (useful for tests)
|
|
* ```typescript
|
|
* const storage = new GcsStorage({
|
|
* bucketName: 'my-bucket',
|
|
* initMode: 'strict' // Always validate during init
|
|
* })
|
|
* ```
|
|
*/
|
|
constructor(options: {
|
|
bucketName: string
|
|
|
|
// Service account authentication
|
|
keyFilename?: string
|
|
credentials?: object
|
|
|
|
// HMAC authentication (backward compatibility)
|
|
accessKeyId?: string
|
|
secretAccessKey?: string
|
|
|
|
/**
|
|
* Initialization mode for fast cold starts
|
|
*
|
|
* - `'auto'` (default): Progressive in cloud environments (Cloud Run, Lambda),
|
|
* strict locally. Zero-config optimization.
|
|
* - `'progressive'`: Always use fast init (<200ms). Bucket validation and
|
|
* count loading happen in background. First write validates bucket.
|
|
* - `'strict'`: Traditional blocking init. Validates bucket and loads counts
|
|
* before init() returns.
|
|
*
|
|
*/
|
|
initMode?: InitMode
|
|
|
|
/**
|
|
* @deprecated Use `initMode: 'progressive'` instead.
|
|
* Will be removed in a future version.
|
|
*/
|
|
skipInitialScan?: boolean
|
|
|
|
/**
|
|
* @deprecated Use `initMode: 'progressive'` instead.
|
|
* Will be removed in a future version.
|
|
*/
|
|
skipCountsFile?: boolean
|
|
|
|
// Cache and operation configuration
|
|
cacheConfig?: {
|
|
hotCacheMaxSize?: number
|
|
hotCacheEvictionThreshold?: number
|
|
warmCacheTTL?: number
|
|
}
|
|
readOnly?: boolean
|
|
}) {
|
|
super()
|
|
this.bucketName = options.bucketName
|
|
this.keyFilename = options.keyFilename
|
|
this.credentials = options.credentials
|
|
this.accessKeyId = options.accessKeyId
|
|
this.secretAccessKey = options.secretAccessKey
|
|
|
|
// Handle initMode and deprecated skip* flags
|
|
if (options.initMode) {
|
|
this.initMode = options.initMode
|
|
}
|
|
|
|
// Deprecation warnings for skip* flags
|
|
if (options.skipInitialScan) {
|
|
console.warn(
|
|
'[GcsStorage] DEPRECATION WARNING: skipInitialScan is deprecated. ' +
|
|
'Use initMode: "progressive" instead. Will be removed in a future version.'
|
|
)
|
|
this.skipInitialScan = true
|
|
}
|
|
if (options.skipCountsFile) {
|
|
console.warn(
|
|
'[GcsStorage] DEPRECATION WARNING: skipCountsFile is deprecated. ' +
|
|
'Use initMode: "progressive" instead. Will be removed in a future version.'
|
|
)
|
|
this.skipCountsFile = true
|
|
}
|
|
|
|
this.readOnly = options.readOnly || false
|
|
|
|
// Set up prefixes for different types of data using entity-based structure
|
|
this.nounPrefix = `${getDirectoryPath('noun', 'vector')}/`
|
|
this.verbPrefix = `${getDirectoryPath('verb', 'vector')}/`
|
|
this.metadataPrefix = `${getDirectoryPath('noun', 'metadata')}/` // Noun metadata
|
|
this.verbMetadataPrefix = `${getDirectoryPath('verb', 'metadata')}/` // Verb metadata
|
|
this.systemPrefix = `${SYSTEM_DIR}/` // System data
|
|
|
|
// Initialize cache managers
|
|
this.nounCacheManager = new CacheManager<HNSWNode>(options.cacheConfig)
|
|
this.verbCacheManager = new CacheManager<Edge>(options.cacheConfig)
|
|
|
|
// Write buffering always enabled - no env var check needed
|
|
|
|
// Initialize metadata write buffer for cloud rate limit protection
|
|
this.metadataWriteBuffer = new MetadataWriteBuffer(
|
|
(path, data) => this.writeObjectToPath(path, data),
|
|
{ maxBufferSize: 200, flushIntervalMs: 200, concurrencyLimit: 10 }
|
|
)
|
|
}
|
|
|
|
/**
|
|
* Initialize the storage adapter
|
|
*
|
|
* Supports progressive initialization for fast cold starts
|
|
*
|
|
* | Mode | Init Time | When |
|
|
* |------|-----------|------|
|
|
* | `progressive` | <200ms | Cloud Run, Lambda, Azure Functions |
|
|
* | `strict` | 100-500ms+ | Local development, tests |
|
|
* | `auto` | Detected | Default - best of both |
|
|
*
|
|
* In progressive mode:
|
|
* - SDK import and bucket reference: ~50ms (unavoidable)
|
|
* - Write buffers and caches: ~10ms
|
|
* - Mark as initialized: READY
|
|
* - Background: validate bucket, load counts
|
|
*
|
|
* First write operation validates bucket existence (lazy validation).
|
|
*/
|
|
public async init(): Promise<void> {
|
|
if (this.isInitialized) {
|
|
return
|
|
}
|
|
|
|
try {
|
|
// Import Google Cloud Storage SDK only when needed (~50ms)
|
|
const { Storage } = await import('@google-cloud/storage')
|
|
|
|
// Configure the GCS client based on available credentials
|
|
const clientConfig: any = {}
|
|
|
|
// Priority 1: Service Account Key File
|
|
if (this.keyFilename) {
|
|
clientConfig.keyFilename = this.keyFilename
|
|
prodLog.info('🔐 GCS: Using Service Account Key File')
|
|
}
|
|
// Priority 2: Service Account Credentials Object
|
|
else if (this.credentials) {
|
|
clientConfig.credentials = this.credentials
|
|
prodLog.info('🔐 GCS: Using Service Account Credentials')
|
|
}
|
|
// Priority 3: HMAC Keys (S3 compatibility)
|
|
else if (this.accessKeyId && this.secretAccessKey) {
|
|
clientConfig.credentials = {
|
|
client_email: 'hmac-user@example.com',
|
|
private_key: this.secretAccessKey
|
|
}
|
|
prodLog.warn('⚠️ GCS: Using HMAC keys (consider migrating to ADC)')
|
|
}
|
|
// Priority 4: Application Default Credentials (default)
|
|
else {
|
|
// No credentials needed - ADC will be used automatically
|
|
prodLog.info('🔐 GCS: Using Application Default Credentials (ADC)')
|
|
}
|
|
|
|
// Create the GCS client (no network calls)
|
|
this.storage = new Storage(clientConfig)
|
|
|
|
// Get reference to the bucket (no network calls)
|
|
this.bucket = this.storage.bucket(this.bucketName)
|
|
|
|
// Determine initialization mode
|
|
const effectiveMode = this.resolveInitMode()
|
|
const isCloud = this.detectCloudEnvironment()
|
|
|
|
prodLog.info(`🚀 GCS init mode: ${effectiveMode} (detected cloud: ${isCloud})`)
|
|
|
|
// Initialize write buffers for high-volume mode
|
|
const storageId = `gcs-${this.bucketName}`
|
|
this.nounWriteBuffer = getWriteBuffer<HNSWNode>(
|
|
`${storageId}-nouns`,
|
|
'noun',
|
|
async (items) => {
|
|
await this.flushNounBuffer(items)
|
|
}
|
|
)
|
|
|
|
this.verbWriteBuffer = getWriteBuffer<Edge>(
|
|
`${storageId}-verbs`,
|
|
'verb',
|
|
async (items) => {
|
|
await this.flushVerbBuffer(items)
|
|
}
|
|
)
|
|
|
|
// Initialize request coalescer for deduplication
|
|
this.requestCoalescer = getCoalescer(
|
|
storageId,
|
|
async (batch) => {
|
|
// Process coalesced operations (placeholder for future optimization)
|
|
this.logger.trace(`Processing coalesced batch: ${batch.length} items`)
|
|
}
|
|
)
|
|
|
|
// CRITICAL FIX: Clear any stale cache entries from previous runs
|
|
// This prevents cache poisoning from causing silent failures on container restart
|
|
prodLog.info('🧹 Clearing cache from previous run to prevent cache poisoning')
|
|
this.nounCacheManager.clear()
|
|
this.verbCacheManager.clear()
|
|
prodLog.info('✅ Cache cleared - starting fresh')
|
|
|
|
// Progressive vs Strict initialization
|
|
if (effectiveMode === 'progressive') {
|
|
// PROGRESSIVE MODE: Fast init, background validation
|
|
// Mark as initialized immediately - ready to accept operations
|
|
// Bucket validation happens lazily on first write
|
|
// Count loading happens in background
|
|
|
|
prodLog.info(`✅ GCS progressive init complete: ${this.bucketName} (validation deferred)`)
|
|
|
|
// Initialize GraphAdjacencyIndex and type statistics
|
|
await super.init()
|
|
|
|
// Schedule background tasks (non-blocking)
|
|
this.scheduleBackgroundInit()
|
|
} else {
|
|
// STRICT MODE: Traditional blocking initialization
|
|
// Verify bucket exists and is accessible (blocking)
|
|
const [exists] = await this.bucket.exists()
|
|
if (!exists) {
|
|
throw new Error(`Bucket ${this.bucketName} does not exist or is not accessible`)
|
|
}
|
|
this.bucketValidated = true
|
|
|
|
prodLog.info(`✅ Connected to GCS bucket: ${this.bucketName}`)
|
|
|
|
// Initialize counts from storage (blocking)
|
|
await this.initializeCounts()
|
|
this.countsLoaded = true
|
|
|
|
// Initialize GraphAdjacencyIndex and type statistics
|
|
await super.init()
|
|
|
|
// Mark background tasks as complete (nothing to do in background)
|
|
this.backgroundTasksComplete = true
|
|
}
|
|
} catch (error) {
|
|
this.logger.error('Failed to initialize GCS storage:', error)
|
|
throw new Error(`Failed to initialize GCS storage: ${error}`)
|
|
}
|
|
}
|
|
|
|
// =============================================
|
|
// Progressive Initialization
|
|
// =============================================
|
|
|
|
/**
|
|
* Run background initialization tasks for GCS.
|
|
*
|
|
* Called in progressive mode after init() returns. Performs:
|
|
* 1. Bucket validation (in background)
|
|
* 2. Count loading from storage (in background)
|
|
*
|
|
* These tasks don't block the main thread, allowing fast cold starts.
|
|
*
|
|
* @protected
|
|
* @override
|
|
*/
|
|
protected async runBackgroundInit(): Promise<void> {
|
|
const startTime = Date.now()
|
|
prodLog.info('[GCS Background] Starting background initialization...')
|
|
|
|
// Run validation and count loading in parallel
|
|
const validationPromise = this.validateBucketInBackground()
|
|
const countsPromise = this.loadCountsInBackground()
|
|
|
|
// Wait for both to complete (but we're already initialized)
|
|
await Promise.all([validationPromise, countsPromise])
|
|
|
|
const elapsed = Date.now() - startTime
|
|
prodLog.info(`[GCS Background] Background init complete in ${elapsed}ms`)
|
|
}
|
|
|
|
/**
|
|
* Validate bucket existence in background.
|
|
*
|
|
* Stores result in bucketValidated/bucketValidationError for lazy use.
|
|
*
|
|
* @private
|
|
*/
|
|
private async validateBucketInBackground(): Promise<void> {
|
|
try {
|
|
const [exists] = await this.bucket!.exists()
|
|
if (exists) {
|
|
this.bucketValidated = true
|
|
prodLog.info(`[GCS Background] Bucket validated: ${this.bucketName}`)
|
|
} else {
|
|
this.bucketValidationError = new Error(
|
|
`Bucket ${this.bucketName} does not exist or is not accessible`
|
|
)
|
|
prodLog.warn(`[GCS Background] Bucket validation failed: ${this.bucketName}`)
|
|
}
|
|
} catch (error: any) {
|
|
this.bucketValidationError = new Error(
|
|
`Bucket validation failed: ${error.message || error}`
|
|
)
|
|
prodLog.error(`[GCS Background] Bucket validation error:`, error)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load counts from storage in background.
|
|
*
|
|
* Uses the existing initializeCounts() logic but in background.
|
|
*
|
|
* @private
|
|
*/
|
|
private async loadCountsInBackground(): Promise<void> {
|
|
try {
|
|
await this.initializeCounts()
|
|
this.countsLoaded = true
|
|
prodLog.info(`[GCS Background] Counts loaded: ${this.totalNounCount} nouns, ${this.totalVerbCount} verbs`)
|
|
} catch (error: any) {
|
|
// Non-fatal in progressive mode - counts start at 0
|
|
prodLog.warn(`[GCS Background] Failed to load counts (starting at 0): ${error.message}`)
|
|
this.countsLoaded = true // Mark as loaded even on error (0 is valid)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure bucket is validated before write operations.
|
|
*
|
|
* In progressive mode, bucket validation is deferred until the first
|
|
* write operation. This method validates the bucket and caches the
|
|
* result (or error) for subsequent calls.
|
|
*
|
|
* @throws Error if bucket does not exist or is not accessible
|
|
* @protected
|
|
* @override
|
|
*/
|
|
protected async ensureValidatedForWrite(): Promise<void> {
|
|
// If already validated, nothing to do
|
|
if (this.bucketValidated) {
|
|
return
|
|
}
|
|
|
|
// If we have a cached validation error from background init, throw it
|
|
if (this.bucketValidationError) {
|
|
throw this.bucketValidationError
|
|
}
|
|
|
|
// Perform synchronous validation (first write in progressive mode)
|
|
try {
|
|
prodLog.info(`[GCS] Lazy bucket validation on first write: ${this.bucketName}`)
|
|
const [exists] = await this.bucket!.exists()
|
|
if (!exists) {
|
|
const error = new Error(`Bucket ${this.bucketName} does not exist or is not accessible`)
|
|
this.bucketValidationError = error
|
|
throw error
|
|
}
|
|
this.bucketValidated = true
|
|
prodLog.info(`[GCS] Bucket validated successfully: ${this.bucketName}`)
|
|
} catch (error: any) {
|
|
// Cache the error for fast-fail on subsequent writes
|
|
if (!this.bucketValidationError) {
|
|
this.bucketValidationError = error
|
|
}
|
|
throw error
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the GCS object key for a noun using UUID-based sharding
|
|
*
|
|
* Uses first 2 hex characters of UUID for consistent sharding.
|
|
* Path format: entities/nouns/vectors/{shardId}/{uuid}.json
|
|
*
|
|
* @example
|
|
* getNounKey('ab123456-1234-5678-9abc-def012345678')
|
|
* // returns 'entities/nouns/vectors/ab/ab123456-1234-5678-9abc-def012345678.json'
|
|
*/
|
|
private getNounKey(id: string): string {
|
|
const shardId = getShardIdFromUuid(id)
|
|
return `${this.nounPrefix}${shardId}/${id}.json`
|
|
}
|
|
|
|
/**
|
|
* Get the GCS object key for a verb using UUID-based sharding
|
|
*
|
|
* Uses first 2 hex characters of UUID for consistent sharding.
|
|
* Path format: entities/verbs/vectors/{shardId}/{uuid}.json
|
|
*
|
|
* @example
|
|
* getVerbKey('cd987654-4321-8765-cba9-fed543210987')
|
|
* // returns 'entities/verbs/vectors/cd/cd987654-4321-8765-cba9-fed543210987.json'
|
|
*/
|
|
private getVerbKey(id: string): string {
|
|
const shardId = getShardIdFromUuid(id)
|
|
return `${this.verbPrefix}${shardId}/${id}.json`
|
|
}
|
|
|
|
/**
|
|
* Override base class method to detect GCS-specific throttling errors
|
|
*/
|
|
protected isThrottlingError(error: any): boolean {
|
|
// First check base class detection
|
|
if (super.isThrottlingError(error)) {
|
|
return true
|
|
}
|
|
|
|
// GCS-specific throttling detection
|
|
const statusCode = error.code
|
|
const message = error.message?.toLowerCase() || ''
|
|
|
|
return (
|
|
statusCode === 429 || // Too Many Requests
|
|
statusCode === 503 || // Service Unavailable
|
|
statusCode === 'RATE_LIMIT_EXCEEDED' ||
|
|
message.includes('quota') ||
|
|
message.includes('rate limit') ||
|
|
message.includes('too many requests')
|
|
)
|
|
}
|
|
|
|
/**
|
|
* Override base class to enable smart batching for cloud storage
|
|
*
|
|
* GCS is cloud storage with network latency (~50ms per write).
|
|
* Smart batching reduces writes from 1000 ops → 100 batches.
|
|
*
|
|
* @returns true (GCS is cloud storage)
|
|
*/
|
|
protected isCloudStorage(): boolean {
|
|
return true // GCS benefits from batching
|
|
}
|
|
|
|
/**
|
|
* Apply backpressure before starting an operation
|
|
* @returns Request ID for tracking
|
|
*/
|
|
private async applyBackpressure(): Promise<string> {
|
|
const requestId = `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`
|
|
await this.backpressure.requestPermission(requestId, 1)
|
|
this.pendingOperations++
|
|
return requestId
|
|
}
|
|
|
|
/**
|
|
* Release backpressure after completing an operation
|
|
* @param success Whether the operation succeeded
|
|
* @param requestId Request ID from applyBackpressure()
|
|
*/
|
|
private releaseBackpressure(success: boolean = true, requestId?: string): void {
|
|
this.pendingOperations = Math.max(0, this.pendingOperations - 1)
|
|
if (requestId) {
|
|
this.backpressure.releasePermission(requestId, success)
|
|
}
|
|
}
|
|
|
|
// Removed checkVolumeMode() - write buffering always enabled for cloud storage
|
|
|
|
/**
|
|
* Flush noun buffer to GCS
|
|
*/
|
|
private async flushNounBuffer(items: Map<string, HNSWNode>): Promise<void> {
|
|
const writes = Array.from(items.values()).map(async (noun) => {
|
|
try {
|
|
await this.saveNodeDirect(noun)
|
|
} catch (error) {
|
|
this.logger.error(`Failed to flush noun ${noun.id}:`, error)
|
|
}
|
|
})
|
|
|
|
await Promise.all(writes)
|
|
}
|
|
|
|
/**
|
|
* Flush verb buffer to GCS
|
|
*/
|
|
private async flushVerbBuffer(items: Map<string, Edge>): Promise<void> {
|
|
const writes = Array.from(items.values()).map(async (verb) => {
|
|
try {
|
|
await this.saveEdgeDirect(verb)
|
|
} catch (error) {
|
|
this.logger.error(`Failed to flush verb ${verb.id}:`, error)
|
|
}
|
|
})
|
|
|
|
await Promise.all(writes)
|
|
}
|
|
|
|
// Removed saveNoun_internal - now inherit from BaseStorage's type-first implementation
|
|
|
|
/**
|
|
* Save a node to storage
|
|
* Always uses write buffer for consistent performance
|
|
*/
|
|
protected async saveNode(node: HNSWNode): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
// Always use write buffer - cloud storage benefits from batching
|
|
if (this.nounWriteBuffer) {
|
|
this.logger.trace(`📝 BUFFERING: Adding noun ${node.id} to write buffer`)
|
|
|
|
// Populate cache BEFORE buffering for read-after-write consistency
|
|
if (node.vector && Array.isArray(node.vector) && node.vector.length > 0) {
|
|
this.nounCacheManager.set(node.id, node)
|
|
}
|
|
|
|
await this.nounWriteBuffer.add(node.id, node)
|
|
return
|
|
}
|
|
|
|
// Fallback to direct write if buffer not initialized (shouldn't happen after init)
|
|
await this.saveNodeDirect(node)
|
|
}
|
|
|
|
/**
|
|
* Save a node directly to GCS (bypass buffer)
|
|
*
|
|
* Performs lazy bucket validation on first write in progressive mode.
|
|
*/
|
|
private async saveNodeDirect(node: HNSWNode): Promise<void> {
|
|
// Lazy bucket validation for progressive init
|
|
await this.ensureValidatedForWrite()
|
|
|
|
// Apply backpressure before starting operation
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Saving node ${node.id}`)
|
|
|
|
// Convert connections Map to a serializable format
|
|
// CRITICAL: Only save lightweight vector data (no metadata)
|
|
// Metadata is saved separately via saveNounMetadata() (2-file system)
|
|
const serializableNode = {
|
|
id: node.id,
|
|
vector: node.vector,
|
|
connections: Object.fromEntries(
|
|
Array.from(node.connections.entries()).map(([level, nounIds]) => [
|
|
level,
|
|
Array.from(nounIds)
|
|
])
|
|
),
|
|
level: node.level || 0
|
|
// NO metadata field - saved separately for scalability
|
|
}
|
|
|
|
// Get the GCS key with UUID-based sharding
|
|
const key = this.getNounKey(node.id)
|
|
|
|
// Save to GCS
|
|
const file = this.bucket!.file(key)
|
|
await file.save(JSON.stringify(serializableNode, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false // For small objects, non-resumable is faster
|
|
})
|
|
|
|
// CRITICAL FIX: Only cache nodes with non-empty vectors
|
|
// This prevents cache pollution from HNSW's lazy-loading nodes (vector: [])
|
|
if (node.vector && Array.isArray(node.vector) && node.vector.length > 0) {
|
|
this.nounCacheManager.set(node.id, node)
|
|
}
|
|
// Note: Empty vectors are intentional during HNSW lazy mode - not logged
|
|
|
|
// Count tracking happens in baseStorage.saveNounMetadata_internal
|
|
// This fixes the race condition where metadata didn't exist yet
|
|
|
|
this.logger.trace(`Node ${node.id} saved successfully`)
|
|
this.releaseBackpressure(true, requestId)
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
// Handle throttling
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error // Re-throw for retry at higher level
|
|
}
|
|
|
|
this.logger.error(`Failed to save node ${node.id}:`, error)
|
|
throw new Error(`Failed to save node ${node.id}: ${error}`)
|
|
}
|
|
}
|
|
|
|
// Removed getNoun_internal - now inherit from BaseStorage's type-first implementation
|
|
|
|
/**
|
|
* Get a node from storage
|
|
*/
|
|
protected async getNode(id: string): Promise<HNSWNode | null> {
|
|
await this.ensureInitialized()
|
|
|
|
// Check cache first
|
|
const cached: HNSWNode | null = await this.nounCacheManager.get(id)
|
|
|
|
// Validate cached object before returning
|
|
if (cached !== undefined && cached !== null) {
|
|
// Validate cached object has required fields (including non-empty vector!)
|
|
if (!cached.id || !cached.vector || !Array.isArray(cached.vector) || cached.vector.length === 0) {
|
|
// Invalid cache detected - log and auto-recover
|
|
prodLog.warn(`[GCS] Invalid cached object for ${id.substring(0, 8)} (${
|
|
!cached.id ? 'missing id' :
|
|
!cached.vector ? 'missing vector' :
|
|
!Array.isArray(cached.vector) ? 'vector not array' :
|
|
'empty vector'
|
|
}) - removing from cache and reloading`)
|
|
this.nounCacheManager.delete(id)
|
|
// Fall through to load from GCS
|
|
} else {
|
|
// Valid cache hit
|
|
this.logger.trace(`Cache hit for noun ${id}`)
|
|
return cached
|
|
}
|
|
} else if (cached === null) {
|
|
prodLog.warn(`[GCS] Cache contains null for ${id.substring(0, 8)} - reloading from storage`)
|
|
}
|
|
|
|
// Apply backpressure
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Getting node ${id}`)
|
|
|
|
// Get the GCS key with UUID-based sharding
|
|
const key = this.getNounKey(id)
|
|
|
|
// Download from GCS
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
// Parse JSON
|
|
const data = JSON.parse(contents.toString())
|
|
|
|
// Convert serialized connections back to Map<number, Set<string>>
|
|
const connections = new Map<number, Set<string>>()
|
|
for (const [level, nounIds] of Object.entries(data.connections || {})) {
|
|
connections.set(Number(level), new Set(nounIds as string[]))
|
|
}
|
|
|
|
// CRITICAL: Only return lightweight vector data (no metadata)
|
|
// Metadata is retrieved separately via getNounMetadata() (2-file system)
|
|
const node: HNSWNode = {
|
|
id: data.id,
|
|
vector: data.vector,
|
|
connections,
|
|
level: data.level || 0
|
|
// NO metadata field - retrieved separately for scalability
|
|
}
|
|
|
|
// CRITICAL FIX: Only cache valid nodes with non-empty vectors (never cache null or empty)
|
|
if (node && node.id && node.vector && Array.isArray(node.vector) && node.vector.length > 0) {
|
|
this.nounCacheManager.set(id, node)
|
|
} else {
|
|
prodLog.warn(`[GCS] Not caching invalid node ${id.substring(0, 8)} (missing id/vector or empty vector)`)
|
|
}
|
|
|
|
this.logger.trace(`Successfully retrieved node ${id}`)
|
|
this.releaseBackpressure(true, requestId)
|
|
return node
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
// DIAGNOSTIC LOGGING: Log EVERY error before any conditional checks
|
|
const key = this.getNounKey(id)
|
|
prodLog.error(`[getNode] ❌ EXCEPTION CAUGHT:`)
|
|
prodLog.error(`[getNode] UUID: ${id}`)
|
|
prodLog.error(`[getNode] Path: ${key}`)
|
|
prodLog.error(`[getNode] Bucket: ${this.bucketName}`)
|
|
prodLog.error(`[getNode] Error type: ${error?.constructor?.name || typeof error}`)
|
|
prodLog.error(`[getNode] Error code: ${JSON.stringify(error?.code)}`)
|
|
prodLog.error(`[getNode] Error message: ${error?.message || String(error)}`)
|
|
prodLog.error(`[getNode] Error object:`, JSON.stringify(error, null, 2))
|
|
|
|
// Check if this is a "not found" error
|
|
if (error.code === 404) {
|
|
prodLog.warn(`[getNode] Identified as 404 error - returning null WITHOUT caching`)
|
|
// CRITICAL FIX: Do NOT cache null values
|
|
return null
|
|
}
|
|
|
|
// Handle throttling
|
|
if (this.isThrottlingError(error)) {
|
|
prodLog.warn(`[getNode] Identified as throttling error - rethrowing`)
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
// All other errors should throw, not return null
|
|
prodLog.error(`[getNode] Unhandled error - rethrowing`)
|
|
this.logger.error(`Failed to get node ${id}:`, error)
|
|
throw BrainyError.fromError(error, `getNoun(${id})`)
|
|
}
|
|
}
|
|
|
|
// Removed deleteNoun_internal - now inherit from BaseStorage's type-first implementation
|
|
|
|
/**
|
|
* Write an object to a specific path in GCS
|
|
* Primitive operation required by base class
|
|
*
|
|
* Performs lazy bucket validation on first write in progressive mode.
|
|
* @protected
|
|
*/
|
|
protected async writeObjectToPath(path: string, data: any): Promise<void> {
|
|
await this.ensureInitialized()
|
|
// Lazy bucket validation for progressive init
|
|
await this.ensureValidatedForWrite()
|
|
|
|
const MAX_RETRIES = 5
|
|
let lastError: any
|
|
|
|
for (let attempt = 0; attempt <= MAX_RETRIES; attempt++) {
|
|
try {
|
|
this.logger.trace(`Writing object to path: ${path}`)
|
|
|
|
const file = this.bucket!.file(path)
|
|
await file.save(JSON.stringify(data, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
|
|
this.logger.trace(`Object written successfully to ${path}`)
|
|
if (attempt > 0) {
|
|
this.clearThrottlingState()
|
|
}
|
|
return
|
|
} catch (error: any) {
|
|
lastError = error
|
|
|
|
if (this.isThrottlingError(error) && attempt < MAX_RETRIES) {
|
|
const baseDelay = Math.min(100 * Math.pow(2, attempt), 5000)
|
|
const jitter = baseDelay * 0.2 * (Math.random() - 0.5)
|
|
const delay = Math.round(baseDelay + jitter)
|
|
this.logger.warn(
|
|
`Throttled writing ${path} (attempt ${attempt + 1}/${MAX_RETRIES + 1}), retrying in ${delay}ms`
|
|
)
|
|
await this.handleThrottling(error)
|
|
await new Promise(resolve => setTimeout(resolve, delay))
|
|
continue
|
|
}
|
|
|
|
break
|
|
}
|
|
}
|
|
|
|
this.logger.error(`Failed to write object to ${path}:`, lastError)
|
|
throw new Error(`Failed to write object to ${path}: ${lastError}`)
|
|
}
|
|
|
|
/**
|
|
* Read an object from a specific path in GCS
|
|
* Primitive operation required by base class
|
|
* @protected
|
|
*/
|
|
protected async readObjectFromPath(path: string): Promise<any | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.trace(`Reading object from path: ${path}`)
|
|
|
|
const file = this.bucket!.file(path)
|
|
const [contents] = await file.download()
|
|
|
|
const data = JSON.parse(contents.toString())
|
|
|
|
this.logger.trace(`Object read successfully from ${path}`)
|
|
return data
|
|
} catch (error: any) {
|
|
// Check if this is a "not found" error
|
|
if (error.code === 404) {
|
|
this.logger.trace(`Object not found at ${path}`)
|
|
return null
|
|
}
|
|
|
|
this.logger.error(`Failed to read object from ${path}:`, error)
|
|
throw BrainyError.fromError(error, `readObjectFromPath(${path})`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Batch read multiple objects from GCS
|
|
*
|
|
* **Performance**: GCS-optimized parallel downloads
|
|
* - Uses Promise.all() for concurrent requests
|
|
* - Respects GCS rate limits (100 concurrent by default)
|
|
* - Chunks large batches to prevent memory issues
|
|
*
|
|
* **GCS Specifics**:
|
|
* - No true "batch API" - uses parallel GetObject operations
|
|
* - Optimal concurrency: 50-100 concurrent downloads
|
|
* - Each download is a separate HTTPS request
|
|
*
|
|
* @param paths Array of GCS object paths to read
|
|
* @returns Map of path → data (only successful reads included)
|
|
*
|
|
* @public - Called by baseStorage.readBatchFromAdapter()
|
|
*/
|
|
public async readBatch(paths: string[]): Promise<Map<string, any>> {
|
|
await this.ensureInitialized()
|
|
|
|
const results = new Map<string, any>()
|
|
if (paths.length === 0) return results
|
|
|
|
// Get batch configuration for optimal GCS performance
|
|
const batchConfig = this.getBatchConfig()
|
|
const chunkSize = batchConfig.maxConcurrent || 100
|
|
|
|
this.logger.debug(`[GCS Batch] Reading ${paths.length} objects in chunks of ${chunkSize}`)
|
|
|
|
// Process in chunks to respect rate limits and prevent memory issues
|
|
for (let i = 0; i < paths.length; i += chunkSize) {
|
|
const chunk = paths.slice(i, i + chunkSize)
|
|
this.logger.trace(`[GCS Batch] Processing chunk ${Math.floor(i/chunkSize) + 1}/${Math.ceil(paths.length/chunkSize)}`)
|
|
|
|
// Parallel download for this chunk
|
|
const chunkResults = await Promise.allSettled(
|
|
chunk.map(async (path) => {
|
|
try {
|
|
const file = this.bucket!.file(path)
|
|
const [contents] = await file.download()
|
|
const data = JSON.parse(contents.toString())
|
|
return { path, data, success: true }
|
|
} catch (error: any) {
|
|
// Silently skip 404s (expected for missing entities)
|
|
if (error.code === 404) {
|
|
return { path, data: null, success: false }
|
|
}
|
|
// Log other errors but don't fail the batch
|
|
this.logger.warn(`[GCS Batch] Failed to read ${path}: ${error.message}`)
|
|
return { path, data: null, success: false }
|
|
}
|
|
})
|
|
)
|
|
|
|
// Collect successful results
|
|
for (const result of chunkResults) {
|
|
if (result.status === 'fulfilled' && result.value.success && result.value.data !== null) {
|
|
results.set(result.value.path, result.value.data)
|
|
}
|
|
}
|
|
}
|
|
|
|
this.logger.debug(`[GCS Batch] Successfully read ${results.size}/${paths.length} objects`)
|
|
return results
|
|
}
|
|
|
|
/**
|
|
* Get GCS-specific batch configuration
|
|
*
|
|
* GCS performs well with high concurrency due to HTTP/2 multiplexing
|
|
*
|
|
* @public - Overrides BaseStorage.getBatchConfig()
|
|
*/
|
|
public getBatchConfig(): StorageBatchConfig {
|
|
return {
|
|
maxBatchSize: 1000, // GCS can handle large batches
|
|
batchDelayMs: 0, // No rate limiting needed (HTTP/2 handles it)
|
|
maxConcurrent: 100, // Optimal for GCS (tested up to 200)
|
|
supportsParallelWrites: true,
|
|
rateLimit: {
|
|
operationsPerSecond: 1000, // GCS is fast
|
|
burstCapacity: 5000
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete an object from a specific path in GCS
|
|
* Primitive operation required by base class
|
|
*
|
|
* Performs lazy bucket validation on first delete in progressive mode.
|
|
* @protected
|
|
*/
|
|
protected async deleteObjectFromPath(path: string): Promise<void> {
|
|
await this.ensureInitialized()
|
|
// Lazy bucket validation for progressive init
|
|
await this.ensureValidatedForWrite()
|
|
|
|
try {
|
|
this.logger.trace(`Deleting object at path: ${path}`)
|
|
|
|
const file = this.bucket!.file(path)
|
|
await file.delete()
|
|
|
|
this.logger.trace(`Object deleted successfully from ${path}`)
|
|
} catch (error: any) {
|
|
// If already deleted (404), treat as success
|
|
if (error.code === 404) {
|
|
this.logger.trace(`Object at ${path} not found (already deleted)`)
|
|
return
|
|
}
|
|
|
|
this.logger.error(`Failed to delete object from ${path}:`, error)
|
|
throw new Error(`Failed to delete object from ${path}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* List all objects under a specific prefix in GCS
|
|
* Primitive operation required by base class
|
|
* @protected
|
|
*/
|
|
protected async listObjectsUnderPath(prefix: string): Promise<string[]> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.trace(`Listing objects under prefix: ${prefix}`)
|
|
|
|
const [files] = await this.bucket!.getFiles({ prefix })
|
|
|
|
const paths = files.map((file: any) => file.name).filter((name: string) => name && name.length > 0)
|
|
|
|
this.logger.trace(`Found ${paths.length} objects under ${prefix}`)
|
|
return paths
|
|
} catch (error) {
|
|
this.logger.error(`Failed to list objects under ${prefix}:`, error)
|
|
throw new Error(`Failed to list objects under ${prefix}: ${error}`)
|
|
}
|
|
}
|
|
|
|
// Removed saveVerb_internal - now inherit from BaseStorage's type-first implementation
|
|
|
|
/**
|
|
* Save an edge to storage
|
|
* Always uses write buffer for consistent performance
|
|
*/
|
|
protected async saveEdge(edge: Edge): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
// Always use write buffer - cloud storage benefits from batching
|
|
if (this.verbWriteBuffer) {
|
|
this.logger.trace(`📝 BUFFERING: Adding verb ${edge.id} to write buffer`)
|
|
|
|
// Populate cache BEFORE buffering for read-after-write consistency
|
|
this.verbCacheManager.set(edge.id, edge)
|
|
|
|
await this.verbWriteBuffer.add(edge.id, edge)
|
|
return
|
|
}
|
|
|
|
// Fallback to direct write if buffer not initialized (shouldn't happen after init)
|
|
await this.saveEdgeDirect(edge)
|
|
}
|
|
|
|
/**
|
|
* Save an edge directly to GCS (bypass buffer)
|
|
*
|
|
* Performs lazy bucket validation on first write in progressive mode.
|
|
*/
|
|
private async saveEdgeDirect(edge: Edge): Promise<void> {
|
|
// Lazy bucket validation for progressive init
|
|
await this.ensureValidatedForWrite()
|
|
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Saving edge ${edge.id}`)
|
|
|
|
// Convert connections Map to serializable format
|
|
// ARCHITECTURAL FIX: Include core relational fields in verb vector file
|
|
// These fields are essential for 90% of operations - no metadata lookup needed
|
|
const serializableEdge = {
|
|
id: edge.id,
|
|
vector: edge.vector,
|
|
connections: Object.fromEntries(
|
|
Array.from(edge.connections.entries()).map(([level, verbIds]) => [
|
|
level,
|
|
Array.from(verbIds)
|
|
])
|
|
),
|
|
|
|
// CORE RELATIONAL DATA
|
|
verb: edge.verb,
|
|
sourceId: edge.sourceId,
|
|
targetId: edge.targetId,
|
|
|
|
// User metadata (if any) - saved separately for scalability
|
|
// metadata field is saved separately via saveVerbMetadata()
|
|
}
|
|
|
|
// Get the GCS key with UUID-based sharding
|
|
const key = this.getVerbKey(edge.id)
|
|
|
|
// Save to GCS
|
|
const file = this.bucket!.file(key)
|
|
await file.save(JSON.stringify(serializableEdge, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
|
|
// Update cache
|
|
this.verbCacheManager.set(edge.id, edge)
|
|
|
|
// Count tracking happens in baseStorage.saveVerbMetadata_internal
|
|
// This fixes the race condition where metadata didn't exist yet
|
|
|
|
this.logger.trace(`Edge ${edge.id} saved successfully`)
|
|
this.releaseBackpressure(true, requestId)
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
this.logger.error(`Failed to save edge ${edge.id}:`, error)
|
|
throw new Error(`Failed to save edge ${edge.id}: ${error}`)
|
|
}
|
|
}
|
|
|
|
// Removed getVerb_internal - now inherit from BaseStorage's type-first implementation
|
|
|
|
/**
|
|
* Get an edge from storage
|
|
*/
|
|
protected async getEdge(id: string): Promise<Edge | null> {
|
|
await this.ensureInitialized()
|
|
|
|
// Check cache first
|
|
const cached = this.verbCacheManager.get(id)
|
|
if (cached) {
|
|
this.logger.trace(`Cache hit for verb ${id}`)
|
|
return cached
|
|
}
|
|
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Getting edge ${id}`)
|
|
|
|
// Get the GCS key with UUID-based sharding
|
|
const key = this.getVerbKey(id)
|
|
|
|
// Download from GCS
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
// Parse JSON
|
|
const data = JSON.parse(contents.toString())
|
|
|
|
// Convert serialized connections back to Map
|
|
const connections = new Map<number, Set<string>>()
|
|
for (const [level, verbIds] of Object.entries(data.connections || {})) {
|
|
connections.set(Number(level), new Set(verbIds as string[]))
|
|
}
|
|
|
|
// Return HNSWVerb with core relational fields (NO metadata field)
|
|
const edge: Edge = {
|
|
id: data.id,
|
|
vector: data.vector,
|
|
connections,
|
|
|
|
// CORE RELATIONAL DATA (read from vector file)
|
|
verb: data.verb,
|
|
sourceId: data.sourceId,
|
|
targetId: data.targetId
|
|
|
|
// ✅ NO metadata field
|
|
// User metadata retrieved separately via getVerbMetadata()
|
|
}
|
|
|
|
// Update cache
|
|
this.verbCacheManager.set(id, edge)
|
|
|
|
this.logger.trace(`Successfully retrieved edge ${id}`)
|
|
this.releaseBackpressure(true, requestId)
|
|
return edge
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
// Check if this is a "not found" error
|
|
if (error.code === 404) {
|
|
this.logger.trace(`Edge not found: ${id}`)
|
|
return null
|
|
}
|
|
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
this.logger.error(`Failed to get edge ${id}:`, error)
|
|
throw BrainyError.fromError(error, `getVerb(${id})`)
|
|
}
|
|
}
|
|
|
|
// Removed deleteVerb_internal - now inherit from BaseStorage's type-first implementation
|
|
|
|
// Removed pagination overrides - use BaseStorage's type-first implementation
|
|
// - getNounsWithPagination, getNodesWithPagination, getVerbsWithPagination
|
|
// - getNouns, getVerbs (public wrappers)
|
|
|
|
// Removed 4 query *_internal methods - now inherit from BaseStorage's type-first implementation
|
|
// (getNounsByNounType_internal, getVerbsBySource_internal, getVerbsByTarget_internal, getVerbsByType_internal)
|
|
|
|
/**
|
|
* Batch fetch metadata for multiple noun IDs (efficient for large queries)
|
|
* Uses smaller batches to prevent GCS socket exhaustion
|
|
* @param ids Array of noun IDs to fetch metadata for
|
|
* @returns Map of ID to metadata
|
|
*/
|
|
public async getMetadataBatch(ids: string[]): Promise<Map<string, any>> {
|
|
await this.ensureInitialized()
|
|
|
|
const results = new Map<string, any>()
|
|
const batchSize = 10 // Smaller batches for metadata to prevent socket exhaustion
|
|
|
|
// Process in smaller batches
|
|
for (let i = 0; i < ids.length; i += batchSize) {
|
|
const batch = ids.slice(i, i + batchSize)
|
|
|
|
const batchPromises = batch.map(async (id) => {
|
|
try {
|
|
// CRITICAL: Use getNounMetadata() instead of deprecated getMetadata()
|
|
// This ensures we fetch from the correct noun metadata store (2-file system)
|
|
const metadata = await this.getNounMetadata(id)
|
|
return { id, metadata }
|
|
} catch (error: any) {
|
|
// Handle GCS-specific errors
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
}
|
|
this.logger.debug(`Failed to read metadata for ${id}:`, error)
|
|
return { id, metadata: null }
|
|
}
|
|
})
|
|
|
|
const batchResults = await Promise.all(batchPromises)
|
|
|
|
for (const { id, metadata } of batchResults) {
|
|
if (metadata !== null) {
|
|
results.set(id, metadata)
|
|
}
|
|
}
|
|
|
|
// Small yield between batches to prevent overwhelming GCS
|
|
await new Promise(resolve => setImmediate(resolve))
|
|
}
|
|
|
|
return results
|
|
}
|
|
|
|
/**
|
|
* Clear all data from storage
|
|
*/
|
|
public async clear(): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('🧹 Clearing all data from GCS bucket...')
|
|
|
|
// Helper function to delete all objects with a given prefix
|
|
const deleteObjectsWithPrefix = async (prefix: string): Promise<void> => {
|
|
const [files] = await this.bucket!.getFiles({ prefix })
|
|
|
|
if (!files || files.length === 0) {
|
|
return
|
|
}
|
|
|
|
// Delete each file
|
|
for (const file of files) {
|
|
await file.delete()
|
|
}
|
|
}
|
|
|
|
// Clear ALL data using correct paths
|
|
// Delete entire branches/ directory (includes ALL entities, ALL types, ALL VFS data, ALL forks)
|
|
await deleteObjectsWithPrefix('branches/')
|
|
|
|
// Delete COW version control data
|
|
await deleteObjectsWithPrefix('_cow/')
|
|
|
|
// Delete system metadata
|
|
await deleteObjectsWithPrefix('_system/')
|
|
|
|
// Reset COW managers (but don't disable COW - it's always enabled)
|
|
// COW will re-initialize automatically on next use
|
|
this.refManager = undefined
|
|
this.blobStorage = undefined
|
|
this.commitLog = undefined
|
|
|
|
// Clear caches
|
|
this.nounCacheManager.clear()
|
|
this.verbCacheManager.clear()
|
|
|
|
// Reset counts
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts.clear()
|
|
this.verbCounts.clear()
|
|
|
|
this.logger.info('✅ All data cleared from GCS')
|
|
} catch (error) {
|
|
this.logger.error('Failed to clear GCS storage:', error)
|
|
throw new Error(`Failed to clear GCS storage: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get storage status
|
|
*/
|
|
public async getStorageStatus(): Promise<{
|
|
type: string
|
|
used: number
|
|
quota: number | null
|
|
details?: Record<string, any>
|
|
}> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
// Get bucket metadata
|
|
const [metadata] = await this.bucket!.getMetadata()
|
|
|
|
return {
|
|
type: 'gcs', // Consistent with new naming (native SDK is just 'gcs')
|
|
used: 0, // GCS doesn't provide usage info easily
|
|
quota: null, // No quota in GCS
|
|
details: {
|
|
bucket: this.bucketName,
|
|
location: metadata.location,
|
|
storageClass: metadata.storageClass,
|
|
created: metadata.timeCreated,
|
|
sdk: 'native' // Indicate we're using native SDK
|
|
}
|
|
}
|
|
} catch (error) {
|
|
this.logger.error('Failed to get storage status:', error)
|
|
return {
|
|
type: 'gcs', // Consistent with new naming
|
|
used: 0,
|
|
quota: null
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if COW has been explicitly disabled via clear()
|
|
* Fixes bug where clear() doesn't persist across instance restarts
|
|
* @returns true if marker object exists, false otherwise
|
|
* @protected
|
|
*/
|
|
/**
|
|
* Removed checkClearMarker() and createClearMarker() methods
|
|
* COW is now always enabled - marker files are no longer used
|
|
*/
|
|
|
|
/**
|
|
* Save statistics data to storage
|
|
*/
|
|
protected async saveStatisticsData(statistics: StatisticsData): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}${STATISTICS_KEY}.json`
|
|
|
|
this.logger.trace(`Saving statistics to ${key}`)
|
|
|
|
const file = this.bucket!.file(key)
|
|
await file.save(JSON.stringify(statistics, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
|
|
this.logger.trace('Statistics saved successfully')
|
|
} catch (error) {
|
|
this.logger.error('Failed to save statistics:', error)
|
|
throw new Error(`Failed to save statistics: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get statistics data from storage
|
|
*/
|
|
protected async getStatisticsData(): Promise<StatisticsData | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}${STATISTICS_KEY}.json`
|
|
|
|
this.logger.trace(`Getting statistics from ${key}`)
|
|
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
const statistics = JSON.parse(contents.toString())
|
|
|
|
this.logger.trace('Statistics retrieved successfully')
|
|
|
|
// CRITICAL FIX: Populate totalNodes and totalEdges from in-memory counts
|
|
// HNSW rebuild depends on these fields to determine entity count
|
|
return {
|
|
...statistics,
|
|
totalNodes: this.totalNounCount,
|
|
totalEdges: this.totalVerbCount,
|
|
lastUpdated: new Date().toISOString()
|
|
}
|
|
} catch (error: any) {
|
|
if (error.code === 404) {
|
|
// CRITICAL FIX: Statistics file doesn't exist yet (first restart)
|
|
// Return minimal stats with counts instead of null
|
|
// This prevents HNSW from seeing entityCount=0 during index rebuild
|
|
this.logger.trace('Statistics file not found - returning minimal stats with counts')
|
|
return {
|
|
nounCount: {},
|
|
verbCount: {},
|
|
metadataCount: {},
|
|
hnswIndexSize: 0,
|
|
totalNodes: this.totalNounCount,
|
|
totalEdges: this.totalVerbCount,
|
|
totalMetadata: 0,
|
|
lastUpdated: new Date().toISOString()
|
|
}
|
|
}
|
|
|
|
this.logger.error('Failed to get statistics:', error)
|
|
return null
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize counts from storage
|
|
*/
|
|
protected async initializeCounts(): Promise<void> {
|
|
// Skip counts file entirely if configured
|
|
if (this.skipCountsFile) {
|
|
prodLog.info('📊 Skipping counts file (skipCountsFile: true)')
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
return
|
|
}
|
|
|
|
const key = `${this.systemPrefix}counts.json`
|
|
|
|
try {
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
const counts = JSON.parse(contents.toString())
|
|
|
|
this.totalNounCount = counts.totalNounCount || 0
|
|
this.totalVerbCount = counts.totalVerbCount || 0
|
|
this.entityCounts = new Map(Object.entries(counts.entityCounts || {})) as Map<string, number>
|
|
this.verbCounts = new Map(Object.entries(counts.verbCounts || {})) as Map<string, number>
|
|
|
|
prodLog.info(`📊 Loaded counts from storage: ${this.totalNounCount} nouns, ${this.totalVerbCount} verbs`)
|
|
} catch (error: any) {
|
|
if (error.code === 404) {
|
|
// No counts file yet
|
|
if (this.skipInitialScan) {
|
|
prodLog.info('📊 No counts file found - starting with zero counts (skipInitialScan: true)')
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
} else {
|
|
// Initialize from scan (first-time setup or counts not persisted)
|
|
prodLog.info('📊 No counts file found - scanning bucket to initialize counts')
|
|
await this.initializeCountsFromScan()
|
|
}
|
|
} else {
|
|
// CRITICAL FIX: Don't silently fail on network/permission errors
|
|
this.logger.error('❌ CRITICAL: Failed to load counts from GCS:', error)
|
|
prodLog.error(`❌ Error loading ${key}: ${error.message}`)
|
|
|
|
if (this.skipInitialScan) {
|
|
prodLog.warn('⚠️ Starting with zero counts due to error (skipInitialScan: true)')
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
} else {
|
|
// Try to recover by scanning the bucket
|
|
prodLog.warn('⚠️ Attempting recovery by scanning GCS bucket...')
|
|
await this.initializeCountsFromScan()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize counts from storage scan (expensive - only for first-time init)
|
|
* Includes timeout handling to prevent Cloud Run startup failures
|
|
*/
|
|
private async initializeCountsFromScan(): Promise<void> {
|
|
const SCAN_TIMEOUT_MS = 120000 // 2 minutes timeout
|
|
|
|
try {
|
|
prodLog.info('📊 Scanning GCS bucket to initialize counts...')
|
|
prodLog.info(`🔍 Noun prefix: ${this.nounPrefix}`)
|
|
prodLog.info(`🔍 Verb prefix: ${this.verbPrefix}`)
|
|
prodLog.info(`⏱️ Timeout: ${SCAN_TIMEOUT_MS / 1000}s (configure skipInitialScan to avoid this)`)
|
|
|
|
// Create timeout promise
|
|
const timeoutPromise = new Promise<never>((_, reject) => {
|
|
setTimeout(() => {
|
|
reject(new Error(`Bucket scan timeout after ${SCAN_TIMEOUT_MS / 1000}s`))
|
|
}, SCAN_TIMEOUT_MS)
|
|
})
|
|
|
|
// Count nouns with timeout
|
|
const nounScanPromise = this.bucket!.getFiles({ prefix: this.nounPrefix })
|
|
const [nounFiles] = await Promise.race([nounScanPromise, timeoutPromise]) as any
|
|
|
|
prodLog.info(`🔍 Found ${nounFiles?.length || 0} total files under noun prefix`)
|
|
|
|
const jsonNounFiles = nounFiles?.filter((f: any) => f.name?.endsWith('.json')) || []
|
|
this.totalNounCount = jsonNounFiles.length
|
|
|
|
if (jsonNounFiles.length > 0 && jsonNounFiles.length <= 5) {
|
|
prodLog.info(`📄 Sample noun files: ${jsonNounFiles.slice(0, 5).map((f: any) => f.name).join(', ')}`)
|
|
}
|
|
|
|
// Count verbs with timeout
|
|
const verbScanPromise = this.bucket!.getFiles({ prefix: this.verbPrefix })
|
|
const [verbFiles] = await Promise.race([verbScanPromise, timeoutPromise]) as any
|
|
|
|
prodLog.info(`🔍 Found ${verbFiles?.length || 0} total files under verb prefix`)
|
|
|
|
const jsonVerbFiles = verbFiles?.filter((f: any) => f.name?.endsWith('.json')) || []
|
|
this.totalVerbCount = jsonVerbFiles.length
|
|
|
|
if (jsonVerbFiles.length > 0 && jsonVerbFiles.length <= 5) {
|
|
prodLog.info(`📄 Sample verb files: ${jsonVerbFiles.slice(0, 5).map((f: any) => f.name).join(', ')}`)
|
|
}
|
|
|
|
// Save initial counts
|
|
if (this.totalNounCount > 0 || this.totalVerbCount > 0) {
|
|
await this.persistCounts()
|
|
prodLog.info(`✅ Initialized counts from scan: ${this.totalNounCount} nouns, ${this.totalVerbCount} verbs`)
|
|
} else {
|
|
prodLog.warn(`⚠️ No entities found during bucket scan. Check that entities exist and prefixes are correct.`)
|
|
}
|
|
} catch (error: any) {
|
|
// Handle timeout specifically
|
|
if (error.message?.includes('Bucket scan timeout')) {
|
|
prodLog.error(`❌ TIMEOUT: Bucket scan exceeded ${SCAN_TIMEOUT_MS / 1000}s limit`)
|
|
prodLog.error(` This typically happens with large buckets in Cloud Run deployments.`)
|
|
prodLog.error(` Solutions:`)
|
|
prodLog.error(` 1. Increase Cloud Run timeout: timeoutSeconds: 600`)
|
|
prodLog.error(` 2. Use skipInitialScan: true in gcsNativeStorage config`)
|
|
prodLog.error(` 3. Pre-create counts file before deployment`)
|
|
prodLog.warn(`⚠️ Starting with zero counts due to timeout`)
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
return
|
|
}
|
|
|
|
// CRITICAL FIX: Don't silently fail - this prevents data loss scenarios
|
|
this.logger.error('❌ CRITICAL: Failed to initialize counts from GCS bucket scan:', error)
|
|
prodLog.error(` Error: ${error.message || String(error)}`)
|
|
prodLog.warn(`⚠️ Starting with zero counts due to error`)
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Persist counts to storage
|
|
*/
|
|
protected async persistCounts(): Promise<void> {
|
|
// Skip if skipCountsFile is enabled
|
|
if (this.skipCountsFile) {
|
|
return
|
|
}
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}counts.json`
|
|
|
|
const counts = {
|
|
totalNounCount: this.totalNounCount,
|
|
totalVerbCount: this.totalVerbCount,
|
|
entityCounts: Object.fromEntries(this.entityCounts),
|
|
verbCounts: Object.fromEntries(this.verbCounts),
|
|
lastUpdated: new Date().toISOString()
|
|
}
|
|
|
|
const file = this.bucket!.file(key)
|
|
await file.save(JSON.stringify(counts, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
} catch (error) {
|
|
this.logger.error('Error persisting counts:', error)
|
|
}
|
|
}
|
|
|
|
// HNSW Index Persistence
|
|
|
|
/**
|
|
* Get a noun's vector for HNSW rebuild
|
|
* Uses BaseStorage's getNoun (type-first paths)
|
|
*/
|
|
public async getNounVector(id: string): Promise<number[] | null> {
|
|
const noun = await this.getNoun(id)
|
|
return noun ? noun.vector : null
|
|
}
|
|
|
|
/**
|
|
* Save HNSW graph data for a noun
|
|
*
|
|
* Uses BaseStorage's getNoun/saveNoun (type-first paths)
|
|
* CRITICAL: Uses mutex locking to prevent read-modify-write races
|
|
*/
|
|
public async saveHNSWData(nounId: string, hnswData: {
|
|
level: number
|
|
connections: Record<string, string[]>
|
|
}): Promise<void> {
|
|
const lockKey = `hnsw/${nounId}`
|
|
|
|
// CRITICAL FIX: Mutex lock to prevent read-modify-write races
|
|
// Problem: Without mutex, concurrent operations can:
|
|
// 1. Thread A reads noun (connections: [1,2,3])
|
|
// 2. Thread B reads noun (connections: [1,2,3])
|
|
// 3. Thread A adds connection 4, writes [1,2,3,4]
|
|
// 4. Thread B adds connection 5, writes [1,2,3,5] ← Connection 4 LOST!
|
|
// Solution: Mutex serializes operations per entity (like FileSystem/OPFS adapters)
|
|
// Production scale: Prevents corruption at 1000+ concurrent operations
|
|
|
|
// Wait for any pending operations on this entity
|
|
while (this.hnswLocks.has(lockKey)) {
|
|
await this.hnswLocks.get(lockKey)
|
|
}
|
|
|
|
// Acquire lock
|
|
let releaseLock!: () => void
|
|
const lockPromise = new Promise<void>(resolve => { releaseLock = resolve })
|
|
this.hnswLocks.set(lockKey, lockPromise)
|
|
|
|
try {
|
|
// Use BaseStorage's getNoun (type-first paths)
|
|
// Read existing noun data (if exists)
|
|
const existingNoun = await this.getNoun(nounId)
|
|
|
|
if (!existingNoun) {
|
|
// Noun doesn't exist - cannot update HNSW data for non-existent noun
|
|
throw new Error(`Cannot save HNSW data: noun ${nounId} not found`)
|
|
}
|
|
|
|
// Convert connections from Record to Map format for storage
|
|
const connectionsMap = new Map<number, Set<string>>()
|
|
for (const [level, nodeIds] of Object.entries(hnswData.connections)) {
|
|
connectionsMap.set(Number(level), new Set(nodeIds))
|
|
}
|
|
|
|
// Preserve id and vector, update only HNSW graph metadata
|
|
const updatedNoun: HNSWNoun = {
|
|
...existingNoun,
|
|
level: hnswData.level,
|
|
connections: connectionsMap
|
|
}
|
|
|
|
// Use BaseStorage's saveNoun (type-first paths, atomic write via writeObjectToBranch)
|
|
await this.saveNoun(updatedNoun)
|
|
} finally {
|
|
// Release lock (ALWAYS runs, even if error thrown)
|
|
this.hnswLocks.delete(lockKey)
|
|
releaseLock()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get HNSW graph data for a noun
|
|
* Uses BaseStorage's getNoun (type-first paths)
|
|
*/
|
|
public async getHNSWData(nounId: string): Promise<{
|
|
level: number
|
|
connections: Record<string, string[]>
|
|
} | null> {
|
|
const noun = await this.getNoun(nounId)
|
|
|
|
if (!noun) {
|
|
return null
|
|
}
|
|
|
|
// Convert connections from Map to Record format
|
|
const connectionsRecord: Record<string, string[]> = {}
|
|
if (noun.connections) {
|
|
for (const [level, nodeIds] of noun.connections.entries()) {
|
|
connectionsRecord[String(level)] = Array.from(nodeIds)
|
|
}
|
|
}
|
|
|
|
return {
|
|
level: noun.level || 0,
|
|
connections: connectionsRecord
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save HNSW system data (entry point, max level)
|
|
* Storage path: system/hnsw-system.json
|
|
*
|
|
* CRITICAL FIX: Optimistic locking with generation numbers to prevent race conditions
|
|
*/
|
|
public async saveHNSWSystem(systemData: {
|
|
entryPointId: string | null
|
|
maxLevel: number
|
|
}): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
const key = `${this.systemPrefix}hnsw-system.json`
|
|
const file = this.bucket!.file(key)
|
|
|
|
const maxRetries = 5
|
|
for (let attempt = 0; attempt < maxRetries; attempt++) {
|
|
try {
|
|
// Get current generation
|
|
let currentGeneration: string | undefined
|
|
|
|
try {
|
|
const [metadata] = await file.getMetadata()
|
|
currentGeneration = metadata.generation?.toString()
|
|
} catch (error: any) {
|
|
// File doesn't exist yet
|
|
if (error.code !== 404) {
|
|
throw error
|
|
}
|
|
}
|
|
|
|
// ATOMIC WRITE: Use generation precondition
|
|
await file.save(JSON.stringify(systemData, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false,
|
|
preconditionOpts: currentGeneration
|
|
? { ifGenerationMatch: currentGeneration }
|
|
: { ifGenerationMatch: '0' }
|
|
})
|
|
|
|
// Success!
|
|
return
|
|
} catch (error: any) {
|
|
// Precondition failed - concurrent modification
|
|
if (error.code === 412) {
|
|
if (attempt === maxRetries - 1) {
|
|
this.logger.error(`Max retries (${maxRetries}) exceeded for HNSW system data`)
|
|
throw new Error('Failed to save HNSW system data: max retries exceeded due to concurrent modifications')
|
|
}
|
|
|
|
const backoffMs = 50 * Math.pow(2, attempt)
|
|
await new Promise(resolve => setTimeout(resolve, backoffMs))
|
|
continue
|
|
}
|
|
|
|
// Other error - rethrow
|
|
this.logger.error('Failed to save HNSW system data:', error)
|
|
throw new Error(`Failed to save HNSW system data: ${error}`)
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get HNSW system data (entry point, max level)
|
|
* Storage path: system/hnsw-system.json
|
|
*/
|
|
public async getHNSWSystem(): Promise<{
|
|
entryPointId: string | null
|
|
maxLevel: number
|
|
} | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}hnsw-system.json`
|
|
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
return JSON.parse(contents.toString())
|
|
} catch (error: any) {
|
|
// GCS may return 404 in different formats depending on SDK version
|
|
const is404 =
|
|
error.code === 404 ||
|
|
error.statusCode === 404 ||
|
|
error.status === 404 ||
|
|
error.message?.includes('No such object') ||
|
|
error.message?.includes('not found') ||
|
|
error.message?.includes('404')
|
|
if (is404) {
|
|
return null
|
|
}
|
|
|
|
this.logger.error('Failed to get HNSW system data:', error)
|
|
throw new Error(`Failed to get HNSW system data: ${error}`)
|
|
}
|
|
}
|
|
|
|
// ============================================================================
|
|
// GCS Lifecycle Management & Autoclass
|
|
// Cost optimization through automatic tier transitions and Autoclass
|
|
// ============================================================================
|
|
|
|
/**
|
|
* Set lifecycle policy for automatic tier transitions and deletions
|
|
*
|
|
* GCS Storage Classes:
|
|
* - STANDARD: Hot data, most expensive (~$0.020/GB/month)
|
|
* - NEARLINE: <1 access/month (~$0.010/GB/month, 50% cheaper)
|
|
* - COLDLINE: <1 access/quarter (~$0.004/GB/month, 80% cheaper)
|
|
* - ARCHIVE: <1 access/year (~$0.0012/GB/month, 94% cheaper!)
|
|
*
|
|
* Example usage:
|
|
* ```typescript
|
|
* await storage.setLifecyclePolicy({
|
|
* rules: [
|
|
* {
|
|
* action: { type: 'SetStorageClass', storageClass: 'NEARLINE' },
|
|
* condition: { age: 30 }
|
|
* },
|
|
* {
|
|
* action: { type: 'SetStorageClass', storageClass: 'COLDLINE' },
|
|
* condition: { age: 90 }
|
|
* },
|
|
* {
|
|
* action: { type: 'Delete' },
|
|
* condition: { age: 365 }
|
|
* }
|
|
* ]
|
|
* })
|
|
* ```
|
|
*
|
|
* @param options Lifecycle configuration with rules for transitions and deletions
|
|
*/
|
|
public async setLifecyclePolicy(options: {
|
|
rules: Array<{
|
|
action: {
|
|
type: 'Delete' | 'SetStorageClass'
|
|
storageClass?: 'STANDARD' | 'NEARLINE' | 'COLDLINE' | 'ARCHIVE'
|
|
}
|
|
condition: {
|
|
age?: number // Days since object creation
|
|
createdBefore?: string // ISO 8601 date
|
|
matchesPrefix?: string[]
|
|
matchesSuffix?: string[]
|
|
}
|
|
}>
|
|
}): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info(`Setting GCS lifecycle policy with ${options.rules.length} rules`)
|
|
|
|
// GCS lifecycle rules format
|
|
const lifecycleRules = options.rules.map(rule => {
|
|
const gcsRule: any = {
|
|
action: {
|
|
type: rule.action.type
|
|
},
|
|
condition: {}
|
|
}
|
|
|
|
// Add storage class for SetStorageClass action
|
|
if (rule.action.type === 'SetStorageClass' && rule.action.storageClass) {
|
|
gcsRule.action.storageClass = rule.action.storageClass
|
|
}
|
|
|
|
// Add conditions
|
|
if (rule.condition.age !== undefined) {
|
|
gcsRule.condition.age = rule.condition.age
|
|
}
|
|
if (rule.condition.createdBefore) {
|
|
gcsRule.condition.createdBefore = rule.condition.createdBefore
|
|
}
|
|
if (rule.condition.matchesPrefix) {
|
|
gcsRule.condition.matchesPrefix = rule.condition.matchesPrefix
|
|
}
|
|
if (rule.condition.matchesSuffix) {
|
|
gcsRule.condition.matchesSuffix = rule.condition.matchesSuffix
|
|
}
|
|
|
|
return gcsRule
|
|
})
|
|
|
|
// Update bucket lifecycle configuration
|
|
await this.bucket!.setMetadata({
|
|
lifecycle: {
|
|
rule: lifecycleRules
|
|
}
|
|
})
|
|
|
|
this.logger.info(`Successfully set lifecycle policy with ${options.rules.length} rules`)
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to set lifecycle policy:', error)
|
|
throw new Error(`Failed to set GCS lifecycle policy: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get current lifecycle policy configuration
|
|
*
|
|
* @returns Lifecycle configuration with all rules, or null if no policy is set
|
|
*/
|
|
public async getLifecyclePolicy(): Promise<{
|
|
rules: Array<{
|
|
action: {
|
|
type: string
|
|
storageClass?: string
|
|
}
|
|
condition: {
|
|
age?: number
|
|
createdBefore?: string
|
|
matchesPrefix?: string[]
|
|
matchesSuffix?: string[]
|
|
}
|
|
}>
|
|
} | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Getting GCS lifecycle policy')
|
|
|
|
const [metadata] = await this.bucket!.getMetadata()
|
|
|
|
if (!metadata.lifecycle || !metadata.lifecycle.rule || metadata.lifecycle.rule.length === 0) {
|
|
this.logger.info('No lifecycle policy configured')
|
|
return null
|
|
}
|
|
|
|
// Convert GCS format to our format
|
|
const rules = metadata.lifecycle.rule.map((rule: any) => ({
|
|
action: {
|
|
type: rule.action.type,
|
|
...(rule.action.storageClass && { storageClass: rule.action.storageClass })
|
|
},
|
|
condition: {
|
|
...(rule.condition.age !== undefined && { age: rule.condition.age }),
|
|
...(rule.condition.createdBefore && { createdBefore: rule.condition.createdBefore }),
|
|
...(rule.condition.matchesPrefix && { matchesPrefix: rule.condition.matchesPrefix }),
|
|
...(rule.condition.matchesSuffix && { matchesSuffix: rule.condition.matchesSuffix })
|
|
}
|
|
}))
|
|
|
|
this.logger.info(`Found lifecycle policy with ${rules.length} rules`)
|
|
|
|
return { rules }
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to get lifecycle policy:', error)
|
|
throw new Error(`Failed to get GCS lifecycle policy: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove lifecycle policy from bucket
|
|
*/
|
|
public async removeLifecyclePolicy(): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Removing GCS lifecycle policy')
|
|
|
|
// Remove lifecycle configuration
|
|
await this.bucket!.setMetadata({
|
|
lifecycle: null
|
|
})
|
|
|
|
this.logger.info('Successfully removed lifecycle policy')
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to remove lifecycle policy:', error)
|
|
throw new Error(`Failed to remove GCS lifecycle policy: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Enable Autoclass for automatic storage class optimization
|
|
*
|
|
* GCS Autoclass automatically moves objects between storage classes based on access patterns:
|
|
* - Frequent Access → STANDARD
|
|
* - Infrequent Access (30 days) → NEARLINE
|
|
* - Rarely Accessed (90 days) → COLDLINE
|
|
* - Archive Access (365 days) → ARCHIVE
|
|
*
|
|
* Benefits:
|
|
* - Automatic optimization based on access patterns (no manual rules needed)
|
|
* - No early deletion fees
|
|
* - No retrieval fees for NEARLINE/COLDLINE (only ARCHIVE has retrieval fees)
|
|
* - Up to 94% cost savings automatically
|
|
*
|
|
* Note: Autoclass is a bucket-level feature that requires bucket.update permission.
|
|
* It cannot be enabled per-object or per-prefix.
|
|
*
|
|
* @param options Autoclass configuration
|
|
*/
|
|
public async enableAutoclass(options: {
|
|
terminalStorageClass?: 'NEARLINE' | 'ARCHIVE' // Coldest storage class to use
|
|
} = {}): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Enabling GCS Autoclass')
|
|
|
|
const autoclassConfig: any = {
|
|
enabled: true
|
|
}
|
|
|
|
// Set terminal storage class if specified
|
|
if (options.terminalStorageClass) {
|
|
autoclassConfig.terminalStorageClass = options.terminalStorageClass
|
|
}
|
|
|
|
await this.bucket!.setMetadata({
|
|
autoclass: autoclassConfig
|
|
})
|
|
|
|
this.logger.info(`Successfully enabled Autoclass${options.terminalStorageClass ? ` with terminal class ${options.terminalStorageClass}` : ''}`)
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to enable Autoclass:', error)
|
|
throw new Error(`Failed to enable GCS Autoclass: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get Autoclass configuration and status
|
|
*
|
|
* @returns Autoclass status, or null if not configured
|
|
*/
|
|
public async getAutoclassStatus(): Promise<{
|
|
enabled: boolean
|
|
terminalStorageClass?: string
|
|
toggleTime?: string
|
|
} | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Getting GCS Autoclass status')
|
|
|
|
const [metadata] = await this.bucket!.getMetadata()
|
|
|
|
if (!metadata.autoclass) {
|
|
this.logger.info('Autoclass not configured')
|
|
return null
|
|
}
|
|
|
|
const status = {
|
|
enabled: metadata.autoclass.enabled || false,
|
|
...(metadata.autoclass.terminalStorageClass && {
|
|
terminalStorageClass: metadata.autoclass.terminalStorageClass
|
|
}),
|
|
...(metadata.autoclass.toggleTime && {
|
|
toggleTime: metadata.autoclass.toggleTime
|
|
})
|
|
}
|
|
|
|
this.logger.info(`Autoclass status: ${status.enabled ? 'enabled' : 'disabled'}`)
|
|
|
|
return status
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to get Autoclass status:', error)
|
|
throw new Error(`Failed to get GCS Autoclass status: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Disable Autoclass for the bucket
|
|
*/
|
|
public async disableAutoclass(): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Disabling GCS Autoclass')
|
|
|
|
await this.bucket!.setMetadata({
|
|
autoclass: {
|
|
enabled: false
|
|
}
|
|
})
|
|
|
|
this.logger.info('Successfully disabled Autoclass')
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to disable Autoclass:', error)
|
|
throw new Error(`Failed to disable GCS Autoclass: ${error.message || error}`)
|
|
}
|
|
}
|
|
}
|