Easy access to open stack object storage
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Easy access to open stack object storage

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Slides for a talk that didn't happen because of time constraints (OpenStack London Meetup, Dec 2013).

Slides for a talk that didn't happen because of time constraints (OpenStack London Meetup, Dec 2013).

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  • 1. Easy Access to OpenStack Object Storage Juan J. Martínez @reidrac http://www.usebox.net/jjm/ Merry OpenStack, London Dec 2013
  • 2. What is Swift? Open Source software for creating redundant, scalable object storage using clusters of standardized servers to store petabytes of accessible data. Object Storage ● ● ● ● Not a real file system RESTful HTTP API Blob and metadata (name, content type, date-time, size, MD5) Support for pseudo-hierarchical directories Real File System ● ● ● ● ● open, read, write, seek, close chdir, mkdir, rmdir remove, rename chmod, chown, stat, lock etc
  • 3. CUSTOMERS
  • 4. What we have
  • 5. What we sell
  • 6. What customers want
  • 7. Solution: Proxies
  • 8. Back in 2011... ● ● ● Building a product based on OpenStack Object Storage Started working with Bexar Went live with Diablo ● Not many end-user tools using OpenStack Object Storage API (actually, it was Rackspace Cloud Files™) ● ● ● Customers won’t start building things straight away Internal tools WIP (snapshot VM, re-image from snapshot) It was hard to explain the product*: What is Amazon S3? I want Dropbox! * disclaimer: I’m a developer
  • 9. Proxies: FTP ftp-cloudfs ● ● ● ● Personal project of Chmouel Boudjnah (now @ https://github.com/cloudfs/ftp-cloudfs) Open Source Very cool, “almost working” (Jan 2011) fs.py abstraction: Swift API -> FTP Memset started contributing to make it “production ready”: ● ● ● ● ● Support for OpenStack Object Storage (was Cloud Files only) Missing bits in fs.py, more tests, introduced some new bugs Fixed performance problems: memcache all the things! Finally migrated from python-cloudfiles to python-swiftclient (kept the name, it’s cool) Keystone auth, resume downloads, listing +10k files, large file support (>5GB)
  • 10. Proxies: SFTP sftp-cloudfs ● ● ● ● ● ● ● Open Source sponsored by Memset Hosting Ltd https://github.com/Memset/sftpcloudfs ftp-cloudfs’ fs.py + paramiko (ssh2 protocol for Python) Secure: client -> SSH -> sftp-cloudfs -> SSL -> swift Not as performant as FTP (1.6 MB/s vs pyftpdlib 4.2 MB/s), CPU intensive Only password based authentication Partial SCP support contributed by Koert van der Veer + everything supported by ftp-cloudfs
  • 11. Bigger than the API ● ● ● ● ● ● +2 TB / mo traffic (in > out) Small VMs running ftp-cloudfs, sftp-cloudfs and shared cache (memcache) Load-balanced with LVS Easy to scale (add more VMs!) Use cases: backups, CMS plugins (CDN support), remote storage, ??? FTP > SFTP > API Useful Open Source projects: ● ● ● Numbers from PyPI ftp-cloudfs: 1895 downloads last month sftp-cloudfs: 1107 downloads last month Patches from several contributors (including hosting companies) “Stable” and almost feature complete, a new release every now and then
  • 12. Easy Access to OpenStack Object Storage Questions? Juan J. Martínez @reidrac http://www.usebox.net/jjm/ Merry OpenStack, London Dec 2013