Add the ability to use removable devices

[Andrey Kirilochkin]

I have an environment with 2 sata controllers, the 1st one works fine and fuel sees it, but there is a problem with the second one. The second controller(Adaptec aacraid) with 4 ssd devices was regarded by fuel as removable and i can't see their in interface.

Second argument for removable devices, that i need possibility to install OS and OpSt components of compute nodes on flash when using ceph for all types of storages.

As a proposal from myself you need to use checkbox with "Allow using removable".
as i see it:

/opt/nailgun/bin/agent
[code]
281c281
< if [3, 8, 65, 66, 67, 104, 105, 106, 107, 108, 109, 110, 111, 202, 252, 253].include?(properties['MAJOR'].to_i)
---
> if [3, 8, 104, 105, 106, 107, 108, 109, 110, 111, 202, 252, 253].include?(properties['MAJOR'].to_i) && removable =~ /^0$/
[/code]

[Andrey Kirilochkin (andreika-mail)]

It is not the same bug, problem is not connected with major. All device major is the same - 8. But half of devices visible as removable.

[Dmitry Pyzhov (dpyzhov)]

We should add ability to allow removable devices via cli option

[Dmitry Pyzhov (dpyzhov)]

We agreed in our team that there is a dirty workaround for this uncommon case. We have no plans to support it in fuel.