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Joshua Boniface 8c252aeecc Implemented coordinated locked node transitions 
The previous method was a "throw it in the sea"-type migration with some
(very arbitrary) sleep statements thrown in for good measure.
Reimplement this with some hard locking. During each phase of the
transition, the nodes acquire read/write shared locks to a Zookeeper key
so that they can tightly coordinate the actions of transferring each
part of the primary state between them. This is done in a subthread to
prevent strange blocking issues that were encountered, likely due to
business in the existing main thread.
 		2019-12-19 10:56:34 -05:00
client-api Move schema file 2019-12-14 16:47:32 -05:00
client-cli Improve help text 2019-12-08 23:59:17 -05:00
client-common Fix formatting of node_limit when writing 2019-12-12 21:36:21 -05:00
debian Clean up pycache files before (re)installing 2019-12-18 18:39:03 -05:00
docs Initial provisioner configuration 2019-12-06 00:48:00 -05:00
node-daemon Implemented coordinated locked node transitions 2019-12-19 10:56:34 -05:00
.file-header Update copyright string year to include 2019 2019-10-13 12:09:51 -04:00
.gitignore Ignore swap files 2018-06-18 21:26:36 -04:00
.gitlab-ci.yml Correct artifact location 2019-08-20 09:40:18 -04:00
LICENSE Remove licence blurb for python_dhcp_server 2018-10-14 16:29:39 -04:00
README.md Update README badges 2019-08-08 20:48:28 -04:00
build-and-deploy.sh Lower delay during build-and-deploy 2019-12-18 11:56:50 -05:00
build-deb.sh Bump version to 0.5 2019-08-08 20:56:27 -04:00
mkdocs.yml Revert "Add material theme to docs" 2019-07-10 15:23:26 -04:00
pvc_logo.svg A few more tweaks 2018-06-06 02:43:34 -04:00

README.md

PVC - The Parallel Virtual Cluster suite

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PVC is a suite of Python 3 tools to manage virtualized clusters. It provides a fully-functional private cloud based on four key principles:

  1. Be Free Software Forever (or Bust)
  2. Be Opinionated and Efficient and Pick The Best Software
  3. Be Scalable and Redundant but Not Hyperscale
  4. Be Simple To Use, Configure, and Maintain

It is designed to be an administrator-friendly but extremely powerful and rich modern private cloud system, but without the feature bloat and complexity of tools like OpenStack. With PVC, an administrator can provision, manage, and update a cluster of dozens or more hypervisors running thousands of VMs using a simple CLI tool, HTTP API, or [eventually] web interface. PVC is based entirely on Debian GNU/Linux and Free-and-Open-Source tools, providing the glue to bootstrap, provision and manage the cluster, then getting out of the administrators' way.

Your cloud, the best way; just add physical servers.

See the documentation here