haproxy: Parameterize cluster hostnames

Replace ctl{01,02,03} with reclass params, i.e.:
s/ctl01/${_param:cluster_node01_hostname}/g

Affects haproxy configuration in:
- haproxy.proxy.listen.openstack
- neutron.control

Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
17 files changed