quagga test: Add test for the quagga service.

nixos/release.nix

@@ -279,6 +279,7 @@ in rec {
   tests.printing = callTest tests/printing.nix {};
   tests.proxy = callTest tests/proxy.nix {};
   tests.pumpio = callTest tests/pump.io.nix {};
+  tests.quagga = callTest tests/quagga.nix {};
   tests.quake3 = callTest tests/quake3.nix {};
   tests.runInMachine = callTest tests/run-in-machine.nix {};
   tests.sddm = callTest tests/sddm.nix {};

nixos/tests/quagga.nix

@@ -0,0 +1,97 @@
+# This test runs Quagga and checks if OSPF routing works.
+#
+# Network topology:
+#   [ client ]--net1--[ router1 ]--net2--[ router2 ]--net3--[ server ]
+#
+# All interfaces are in OSPF Area 0.
+
+import ./make-test.nix ({ pkgs, ... }:
+  let
+
+    ifAddr = node: iface: (pkgs.lib.head node.config.networking.interfaces.${iface}.ip4).address;
+
+    ospfConf = ''
+      interface eth2
+        ip ospf hello-interval 1
+        ip ospf dead-interval 5
+      !
+      router ospf
+        network 192.168.0.0/16 area 0
+    '';
+
+  in
+    {
+      name = "quagga";
+
+      meta = with pkgs.stdenv.lib.maintainers; {
+        maintainers = [ tavyc ];
+      };
+
+      nodes = {
+
+        client =
+          { config, pkgs, nodes, ... }:
+          {
+            virtualisation.vlans = [ 1 ];
+            networking.defaultGateway = ifAddr nodes.router1 "eth1";
+          };
+
+        router1 =
+          { config, pkgs, nodes, ... }:
+          {
+            virtualisation.vlans = [ 1 2 ];
+            boot.kernel.sysctl."net.ipv4.ip_forward" = "1";
+            networking.firewall.extraCommands = "iptables -A nixos-fw -i eth2 -p ospf -j ACCEPT";
+            services.quagga.ospf = {
+              enable = true;
+              config = ospfConf;
+            };
+          };
+
+        router2 =
+          { config, pkgs, nodes, ... }:
+          {
+            virtualisation.vlans = [ 3 2 ];
+            boot.kernel.sysctl."net.ipv4.ip_forward" = "1";
+            networking.firewall.extraCommands = "iptables -A nixos-fw -i eth2 -p ospf -j ACCEPT";
+            services.quagga.ospf = {
+              enable = true;
+              config = ospfConf;
+            };
+          };
+
+        server =
+          { config, pkgs, nodes, ... }:
+          {
+            virtualisation.vlans = [ 3 ];
+            networking.defaultGateway = ifAddr nodes.router2 "eth1";
+            networking.firewall.allowedTCPPorts = [ 80 ];
+            networking.firewall.allowPing = true;
+            services.httpd.enable = true;
+            services.httpd.adminAddr = "foo@example.com";
+          };
+      };
+
+      testScript =
+        { nodes, ... }:
+        ''
+          startAll;
+
+          # Wait for the networking to start on all machines
+          $_->waitForUnit("network.target") foreach values %vms;
+
+          # Wait for OSPF to form adjacencies
+          for my $gw ($router1, $router2) {
+              $gw->waitForUnit("ospfd");
+              $gw->waitUntilSucceeds("vtysh -c 'show ip ospf neighbor' | grep Full");
+              $gw->waitUntilSucceeds("vtysh -c 'show ip route' | grep '^O>'");
+          }
+
+          # Test ICMP.
+          $client->succeed("ping -c 3 server >&2");
+
+          # Test whether HTTP works.
+          $server->waitForUnit("httpd");
+          $client->succeed("curl --fail http://server/ >&2");
+        '';
+    })