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@github-actions github-actions released this 07 Mar 07:06
· 53 commits to main since this release

ProxS3 v0.1.0 -- Initial Alpha Release

Native S3 storage plugin for Proxmox VE. Use any S3-compatible object store (AWS S3, MinIO, Ceph RGW, Cloudflare R2, Wasabi, etc.) as a Proxmox storage backend for ISOs, container templates, snippets, and backups.

What's Included

Go Daemon (proxs3d)

  • Unix socket API server for communication with the Perl plugin
  • AWS SDK v2 S3 client with support for any S3-compatible endpoint
  • Local file cache with ETag-based validation -- S3 is always the source of truth
  • LRU cache eviction when configurable size limit is exceeded
  • Periodic health checks (every 30s) with automatic online/offline status
  • SIGHUP-based config reload (picks up new/changed/removed storages without restart)
  • HTTP/HTTPS proxy support for outbound S3 connections
  • systemd service with security hardening

Perl Storage Plugin (S3Plugin.pm)

  • Registers native s3 storage type in Proxmox VE
  • Auto-generated configuration UI in the Proxmox web interface
  • Secure credential handling -- credentials stored in /etc/pve/priv/proxs3/ (cluster-shared, root-only), never written to storage.cfg
  • Support for iso, vztmpl, snippets, and backup content types
  • ISO/template upload support via the Proxmox UI
  • Lenient activation -- doesn't block Proxmox startup if S3 is temporarily unreachable
  • Automatic daemon reload on storage add/update/delete

Debian Packaging

  • Single .deb installs everything: daemon, plugin, systemd unit, example config
  • amd64 architecture

Supported Platforms

  • Proxmox VE 8.x (Debian Bookworm)
  • Proxmox VE 9.x (Debian Trixie)

Supported S3 Providers

  • AWS S3
  • MinIO
  • Ceph RGW
  • Cloudflare R2
  • Wasabi
  • Backblaze B2
  • DigitalOcean Spaces
  • Any S3-compatible object store

Installation

wget https://github.com/sol1/proxs3/releases/download/v0.1.0/proxs3_0.1.0-1_amd64.deb
dpkg -i proxs3_0.1.0-1_amd64.deb

See the README for the full setup guide.

Known Limitations (Alpha)

  • No VM disk image (images) or container rootdir (rootdir) support -- this is by design for file-based content only
  • Backup support is functional but not yet tested in production workflows
  • The Proxmox UI fields are auto-generated from the plugin schema -- functional but not custom-styled
  • No multipart upload support for very large files (>5GB) -- planned for a future release
  • Cache eviction runs asynchronously and may briefly exceed the configured limit

What's Next

  • Multipart upload/download for large files
  • Cache pre-warming on daemon startup
  • Prometheus metrics endpoint
  • Integration test suite with MinIO

Full Changelog: https://github.com/sol1/proxs3/commits/v0.1.0