fix(contrib/azure/azure-coreos-cluster): Make a --nohttps option to disable https endpoint

As per discussion with @timfpark, we should allow the user to disable
the creation of an https endpoint.

Author: sedouard

contrib/azure/azure-coreos-cluster

@@ -53,6 +53,8 @@ parser.add_argument('--deis', action='store_true',
                    help='optional, automatically opens http and controller endpoints')
 parser.add_argument('--data-disk', action='store_true',
                    help='optional, attaches a data disk to each VM')
+parser.add_argument('--nohttps', action='store_true',
+                   help='optional, disables the creation of the https load balanced endpoint')
 
 cloud_init_template = """#cloud-config
 
@@ -159,7 +161,8 @@ def network_config(subnet_name=None, port='59913', public_ip_name=None):
     if args.deis:
         # create web endpoint with probe checking /health-check
         network.input_endpoints.input_endpoints.append(endpoint_config('web', '80', load_balancer_probe('/health-check', '80', 'http')))
-        network.input_endpoints.input_endpoints.append(endpoint_config('https', '443', load_balancer_probe(None, '443', 'tcp')))
+        if not args.nohttps:
+          network.input_endpoints.input_endpoints.append(endpoint_config('https', '443', load_balancer_probe(None, '443', 'tcp')))
         # create builder endpoint TCP probe check
         network.input_endpoints.input_endpoints.append(endpoint_config('builder', '2222', load_balancer_probe(None, '2222', 'tcp')))
     return network