Read IP from guest even if there's just 1 private network

In case we want to use the public network's address

lib/landrush/action/setup.rb

@@ -19,7 +19,11 @@ def call(env)
       end
 
       def host_ip_address
-        static_private_network_ip || machine.guest.capability(:read_host_visible_ip_address)
+        if private_network_ips.include? machine.config.landrush.host_ip_address
+          machine.config.landrush.host_ip_address
+        else
+          machine.guest.capability(:read_host_visible_ip_address)
+        end
       end
 
       private
@@ -97,19 +101,12 @@ def private_network_exists?
         machine.config.vm.networks.any? { |type, _| type == :private_network }
       end
 
-      # machine.config.vm.networks is an array of two elements. The first containing the type as symbol, the second is a
-      # hash containing other config data which varies between types
-      def static_private_network_ip
-        # select all statically defined private network ip
-        private_networks = machine.config.vm.networks.select {|network| :private_network == network[0] && !network[1][:ip].nil?}
-                                  .map {|network| network[1][:ip]}
-        if machine.config.landrush.host_ip_address.nil?
-          private_networks[0] if private_networks.length == 1
-        elsif private_networks.include? machine.config.landrush.host_ip_address
-          machine.config.landrush.host_ip_address
-        end
-        # If there is more than one private network or there is no match between config.landrush.host_ip_address
-        # and the discovered addresses we will pass on to read_host_visible_ip_address capability
+      # @return [Array<String] IPv4 addresses of all private networks
+      def private_network_ips
+        # machine.config.vm.networks is an array of two elements. The first containing the type as symbol, the second is a
+        # hash containing other config data which varies between types
+        machine.config.vm.networks.select { |network| :private_network == network[0] && !network[1][:ip].nil? }
+               .map { |network| network[1][:ip] }
       end
     end
   end

test/landrush/action/setup_test.rb

@@ -57,14 +57,6 @@ module Action
         DependentVMs.list.must_equal []
       end
 
-      it "for single private network IP host visible IP can be retrieved w/o starting the VM" do
-        setup = Setup.new(app, nil)
-        env[:machine].config.vm.network :private_network, ip: '42.42.42.42'
-
-        setup.call(env)
-        Store.hosts.get('somehost.vagrant.test').must_equal '42.42.42.42'
-      end
-
       it "for multiple private network IPs host visible IP cant be retrieved if host_ip_address is set" do
         setup = Setup.new(app, nil)