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Joshua Boniface c19902d952 Implement flush locking for nodes 
Implements a locking mechanism to prevent clobbering of node
flushes. When a flush begins, a global cluster lock is placed
which is freed once the flush completes. While the lock is in place,
other flush events queue waiting for the lock to free before
proceeding.

Modifies the CLI output flow when the `--wait` option is specified.
First, if a lock exists when running the command, the message is
tweaked to indicate this, and the client will wait first for the
lock to free, and then for the flush as normal. Second, the wait
depends on the active lock rather than the domain_status for
consistency purposes.

Closes #32
 		2019-05-10 23:52:24 -04:00
client-api Add new endpoints 2019-05-10 23:26:59 -04:00
client-cli Implement flush locking for nodes 2019-05-10 23:52:24 -04:00
client-common Implement flush locking for nodes 2019-05-10 23:52:24 -04:00
debian Add dependency for vlan support 2019-03-15 21:15:17 -04:00
docs Remove obsolete about 2019-03-17 22:37:57 -04:00
node-daemon Implement flush locking for nodes 2019-05-10 23:52:24 -04:00
.file-header Add file header template 2018-09-10 01:19:08 -04:00
.gitignore Ignore swap files 2018-06-18 21:26:36 -04:00
.gitlab-ci.yml Massive rejigger into single daemon 2018-10-14 02:40:54 -04:00
LICENSE Remove licence blurb for python_dhcp_server 2018-10-14 16:29:39 -04:00
README.md Minor tweaks to README appearance 2019-03-14 20:37:47 -04:00
build-deb.sh Massive rejigger into single daemon 2018-10-14 02:40:54 -04:00
mkdocs.yml Add documentation to project 2019-03-14 20:23:39 -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 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