[Midonet] Plugin related roles aren't deleted on plugin uninstallation

[Oleksandr Balenko]

Steps to reproduce:
1. Install midonet plugin 3.0-3.0.1-1 on fuel master node v. 7.0.
2. Draw attention that 2 addition role was added to release (midonet-gw, nsdb).
3. Remove midonet plugin via cli (fuel plugins --remove midonet-fuel-plugin==3.0.1)
4. List existing roles.

Actual Result:
Plugin related roles midonet-gw and nsdb still exist.

Expected Result:
Plugin related roles should be removed on plugin uninstallation.

CLI output:

[root@nailgun tmp]# fuel role --release 2
name
--------------
compute-vmware
compute
mongo
virt
nsdb
base-os
controller
midonet-gw
cinder
ceph-osd
cinder-vmware

[root@nailgun tmp]# fuel plugins
id | name | version | package_version
---|---------------------|---------|----------------
4 | midonet-fuel-plugin | 3.0.1 | 3.0.0

[root@nailgun tmp]# fuel plugins --remove midonet-fuel-plugin==3.0.1
......
Complete!
Plugin midonet-fuel-plugin==3.0.1 was successfully removed.

[root@nailgun tmp]# fuel role --release 2
name
--------------
compute-vmware
compute
mongo
virt
nsdb
base-os
controller
midonet-gw
cinder
ceph-osd
cinder-vmware
[root@nailgun tmp]# fuel plugins
id | name | version | package_version
---|------|---------|----------------

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/3.0.1
Review: https://review.openstack.org/327547

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/327547
Committed: https://git.openstack.org/cgit/openstack/fuel-plugin-midonet/commit/?id=a1ca5e802ee1fa8e9a60e60cc1615c44c6e96300
Submitter: Jenkins
Branch: stable/3.0.1

commit a1ca5e802ee1fa8e9a60e60cc1615c44c6e96300
Author: Samir Ibradžić <email address hidden>
Date: Thu Jun 9 18:48:59 2016 +0900

    Delete roles and disable experimental on uninstall

    Change-Id: I2f1afb4176e29a0664499b4511999b2af5bb98d3
    Closes-Bug: #1587422

[Samir Ibradžić (sibradzic)]

Merged & tested, looks good to me.

[Oleksandr Balenko (obalenko)]

Verified on next build:
830e944ee87b5d328f95363e3b1d40a5 midonet-fuel-plugin-3.0-3.0.1-1.noarch.rpm