This change will help remove some replicated code across the helm plugin
classes and reduce the amount of code under maintenance.
REGRESSION PLAN
PASS install and remove stx-openstack on StarlingX master
TEST PLAN
PASS create network segment ranges
PASS create networks/subnets
PASS create routers
PASS create images
PASS boot vm with cirros image
PASS remove vm
PASS delete images
PASS delete routers
PASS delete networks/subnets
PASS delete network segment ranges
Signed-off-by: Thiago Brito <thiago.brito@windriver.com>
Change-Id: I8927e8bd897628fb3bd7eef3df1d5c58805f6fb9