Replace s3fs/rsync with rclone for R2 persistence#240
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Replace the FUSE mount (s3fs) + rsync approach with rclone for direct S3 API access. This eliminates the root cause of slow syncs (200-400s) and the cascading bugs caused by s3fs latency. Key changes: - Dockerfile: install rclone instead of rsync - Restore: startup script uses rclone copy from R2 (fast, parallel) - Backup: uses rclone sync (not copy) to propagate deletions to R2 - Background sync loop runs IN the container, watches for file changes every 30s and uploads via rclone sync - Manual sync: uses sandbox.exec() which returns ExecResult directly, eliminating all startProcess/getStatus/polling workarounds - Remove cron trigger: no more Worker-side scheduled handler that could exceed time limits and reset the Durable Object - Remove FUSE mount: no mountBucket, no isR2Mounted, no R2_MOUNT_PATH - Pass R2 credentials to container env for rclone config - Rclone restore commands tolerate transient R2 errors (prevent set -e from killing the startup script on flaky API responses) - E2e tests verify data reaches R2 (rclone ls) and test the full backup-delete-restart-restore cycle via gateway restart - Fix lint: use deviceId as React key instead of array index fallback
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Upstream PRs merged: - cloudflare#235: Fix R2 persistence (waitForProcess, exitCode, restore race) - cloudflare#240: Replace s3fs/rsync with rclone (removes cron trigger) Conflict resolution: - Keep our GATEWAY_REQUEST_TIMEOUT_MS and CONTAINER_FETCH_TIMEOUT_MS - Drop CRON_TIMEOUT_MS and R2_MOUNT_PATH (no longer needed) - Remove scheduled handler (sync now runs inside container) - Keep sleepAfter: '4h' fix for keepAlive death spiral Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Replace the FUSE mount (s3fs) + rsync approach with rclone for direct S3 API access. This eliminates the root cause of slow syncs (200-400s) and the cascading bugs caused by s3fs latency.
Key changes: