Charmed OpenStack Upgrader (COU) is an application (packaged as a snap) to upgrade a Canonical distribution of Charmed OpenStack in an automated and frictionless manner. The application detects the version of the running cloud and proposes an upgrade plan to the next available OpenStack release.
Enable snaps on Debian and install Charmed OpenStack Upgrader
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line:
sudo apt update
sudo apt install snapd
After this, install the snapd snap in order to get the latest snapd:
sudo snap install snapd
Install Charmed OpenStack Upgrader
To install Charmed OpenStack Upgrader, simply use the following command: