jinja template for public/cluster network

gistfile1.py

  # first network returned will be the "public" network
    {% set public = salt['network.subnets']()[0] -%}
    {% if public -%}
      public network = {{ public }}
    {% else -%}
      # if for some reason not defined as a salt grain - throw default
      public network = UNDEFINED
    {% endif -%}

# second network if exists is the "cluster" network
    {% set cluster = salt['network.subnets']()[1] -%}
    {% if cluster -%}
      cluster network = {{ cluster }}
    {% else -%}
      # if not defined, set it to the "public" network
      cluster network = {{ public }}
    {% endif -%}