[Blueprint servercloud-p-openstack-charms] Revisiting openstack juju charms

[Adam Gandelman]

Blueprint changed by Adam Gandelman:

Whiteboard set to:
Current Charms:
 * nova-cloud-controller
 * nova-compute
 * glance
 * swift-proxy
 * swift-storage

TODOS for current charms:
 * Reimplement swift-storage pool (one juju service unit per swift zone, allow add-unit per zone)
 * Break nova-cloud-controller into individual charms (nova-api, nova-scheduler, nova-objectstore)
 * Enable and ensure Horizontal scaling  of swift-proxy , glance and nova-cloud-controller

Charms needed:
 * keystone
 * nova-volume

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Revisiting openstack juju charms
https://blueprints.launchpad.net/ubuntu/+spec/servercloud-p-openstack-charms