Allow to deploy to new instances with a
hardware requirement

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
set disk requirements

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
more debug logs

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
quote the constraints

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
dont set-constraints in install section let the charms handle it

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>