David Snelling
e2aa8e3253
feat: add native Google Cloud Storage adapter with ADC support
Implement native @google-cloud/storage adapter for better performance
and easier authentication in Cloud Run/GCE environments.
Features:
- Application Default Credentials (ADC) for zero-config auth
- Service account authentication (keyFilename, credentials)
- HMAC fallback for backward compatibility
- Full UUID-based sharding preservation
- Write buffers for high-volume mode
- Multi-level caching and adaptive backpressure
- Complete feature parity with S3-compatible adapter
Benefits over S3-compatible GCS:
- No HMAC key management required
- Native SDK performance optimizations
- Automatic authentication in Cloud Run/GCE
- Simpler configuration
Configuration:
- type: 'gcs-native'
- gcsNativeStorage: { bucketName, keyFilename?, credentials? }
- Zero data migration required (same path structure)
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Co-Authored-By: Claude <noreply@anthropic.com>