let hostIp = "192.168.0.1"; containerIp = "192.168.0.100/24"; hostIp6 = "fc00::1"; containerIp6 = "fc00::2/7"; in import ./make-test-python.nix ({ pkgs, lib, ... }: { name = "containers-bridge"; meta = { maintainers = with lib.maintainers; [ aristid aszlig kampfschlaefer ]; }; nodes.machine = { pkgs, ... }: { imports = [ ../modules/installer/cd-dvd/channel.nix ]; virtualisation.writableStore = true; networking.bridges = { br0 = { interfaces = []; }; }; networking.interfaces = { br0 = { ipv4.addresses = [{ address = hostIp; prefixLength = 24; }]; ipv6.addresses = [{ address = hostIp6; prefixLength = 7; }]; }; }; containers.webserver = { autoStart = true; privateNetwork = true; hostBridge = "br0"; localAddress = containerIp; localAddress6 = containerIp6; config = { services.httpd.enable = true; services.httpd.adminAddr = "foo@example.org"; networking.firewall.allowedTCPPorts = [ 80 ]; }; }; containers.web-noip = { autoStart = true; privateNetwork = true; hostBridge = "br0"; config = { services.httpd.enable = true; services.httpd.adminAddr = "foo@example.org"; networking.firewall.allowedTCPPorts = [ 80 ]; }; }; virtualisation.additionalPaths = [ pkgs.stdenv ]; }; testScript = '' machine.wait_for_unit("default.target") assert "webserver" in machine.succeed("nixos-container list") with subtest("Start the webserver container"): assert "up" in machine.succeed("nixos-container status webserver") with subtest("Bridges exist inside containers"): machine.succeed( "nixos-container run webserver -- ip link show eth0", "nixos-container run web-noip -- ip link show eth0", ) ip = "${containerIp}".split("/")[0] machine.succeed(f"ping -n -c 1 {ip}") machine.succeed(f"curl --fail http://{ip}/ > /dev/null") ip6 = "${containerIp6}".split("/")[0] machine.succeed(f"ping -n -c 1 {ip6}") machine.succeed(f"curl --fail http://[{ip6}]/ > /dev/null") with subtest( "nixos-container show-ip works in case of an ipv4 address " + "with subnetmask in CIDR notation." ): result = machine.succeed("nixos-container show-ip webserver").rstrip() assert result == ip with subtest("Stop the container"): machine.succeed("nixos-container stop webserver") machine.fail( f"curl --fail --connect-timeout 2 http://{ip}/ > /dev/null", f"curl --fail --connect-timeout 2 http://[{ip6}]/ > /dev/null", ) # Destroying a declarative container should fail. machine.fail("nixos-container destroy webserver") ''; })