Enable forward ssh-port to host

Provides an option to disable the forwarding in case it causes issues.
However based on original PRs adding the forwarded behaviour, it does
not appear to be intentional to exclude it permanently.

Closes: #1011
Closes: #1012

spec/unit/action/forward_ports_spec.rb

@@ -12,11 +12,14 @@ describe VagrantPlugins::ProviderLibvirt::Action::ForwardPorts do
 
   let(:machine_config) { double("machine_config") }
   let(:vm_config) { double("vm_config") }
+  let(:provider_config) { double("provider_config") }
 
   before (:each) do
     allow(machine).to receive(:config).and_return(machine_config)
+    allow(machine).to receive(:provider_config).and_return(provider_config)
     allow(machine_config).to receive(:vm).and_return(vm_config)
     allow(vm_config).to receive(:networks).and_return([])
+    allow(provider_config).to receive(:forward_ssh_port).and_return(true)
   end
 
   describe '#call' do
@@ -67,6 +70,40 @@ describe VagrantPlugins::ProviderLibvirt::Action::ForwardPorts do
         expect(subject.call(env)).to be_nil
       end
     end
+
+    context 'when default ssh port forward provided' do
+      let(:networks){ [
+        [:private_network, {:ip=>"10.20.30.40", :protocol=>"tcp", :id=>"6b8175ed-3220-4b63-abaf-0bb8d7cdd723"}],
+        [:forwarded_port, {guest: 80, host: 8080}],
+        [:forwarded_port, {guest: 22, host: 2222, host_ip: '127.0.0.1', id: 'ssh'}],
+      ]}
+
+      context 'with default config' do
+        it 'should forward the port' do
+          expect(vm_config).to receive(:networks).and_return(networks)
+          expect(subject).to receive(:forward_ports)
+
+          expect(subject.call(env)).to be_nil
+
+          expect(env[:forwarded_ports]).to eq(networks.drop(1).map { |_, opts| opts })
+        end
+      end
+
+      context 'with forward_ssh_port disabled' do
+        before do
+          allow(provider_config).to receive(:forward_ssh_port).and_return(false)
+        end
+
+        it 'should not forward the port' do
+          expect(vm_config).to receive(:networks).and_return(networks)
+          expect(subject).to receive(:forward_ports)
+
+          expect(subject.call(env)).to be_nil
+
+          expect(env[:forwarded_ports]).to eq([networks[1][1]])
+        end
+      end
+    end
   end
 
   describe '#forward_ports' do
@@ -82,6 +119,7 @@ describe VagrantPlugins::ProviderLibvirt::Action::ForwardPorts do
           :private_key_path => ["/home/test/.ssh/id_rsa"],
         }
       )
+      allow(provider_config).to receive(:proxy_command).and_return(nil)
     end
 
     context 'with port to forward' do