nixpkgs/nixos/tests/networking.nix
Franz Pletz b179908414
nixos/networking: network is online if default gw set
Previously services depending on network-online.target would wait until
dhcpcd times out if it was enabled and a static network address
configuration was used. Setting the default gateway statically is enough
for the networking to be considered online.

This also adjusts the relevant networking tests to wait for
network-online.target instead of just network.target.
2017-09-18 14:51:38 +02:00

444 lines
15 KiB
Nix

{ system ? builtins.currentSystem
# bool: whether to use networkd in the tests
, networkd }:
with import ../lib/testing.nix { inherit system; };
with pkgs.lib;
let
router = { config, pkgs, ... }:
with pkgs.lib;
let
vlanIfs = range 1 (length config.virtualisation.vlans);
in {
virtualisation.vlans = [ 1 2 3 ];
boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = true;
networking = {
useDHCP = false;
useNetworkd = networkd;
firewall.allowPing = true;
firewall.checkReversePath = true;
firewall.allowedUDPPorts = [ 547 ];
interfaces = mkOverride 0 (listToAttrs (flip map vlanIfs (n:
nameValuePair "eth${toString n}" {
ipAddress = "192.168.${toString n}.1";
prefixLength = 24;
ipv6Address = "fd00:1234:5678:${toString n}::1";
ipv6PrefixLength = 64;
})));
};
services.dhcpd4 = {
enable = true;
interfaces = map (n: "eth${toString n}") vlanIfs;
extraConfig = ''
authoritative;
'' + flip concatMapStrings vlanIfs (n: ''
subnet 192.168.${toString n}.0 netmask 255.255.255.0 {
option routers 192.168.${toString n}.1;
# XXX: technically it's _not guaranteed_ that IP addresses will be
# issued from the first item in range onwards! We assume that in
# our tests however.
range 192.168.${toString n}.2 192.168.${toString n}.254;
}
'');
};
services.radvd = {
enable = true;
config = flip concatMapStrings vlanIfs (n: ''
interface eth${toString n} {
AdvSendAdvert on;
AdvManagedFlag on;
AdvOtherConfigFlag on;
prefix fd00:1234:5678:${toString n}::/64 {
AdvAutonomous off;
};
};
'');
};
services.dhcpd6 = {
enable = true;
interfaces = map (n: "eth${toString n}") vlanIfs;
extraConfig = ''
authoritative;
'' + flip concatMapStrings vlanIfs (n: ''
subnet6 fd00:1234:5678:${toString n}::/64 {
range6 fd00:1234:5678:${toString n}::2 fd00:1234:5678:${toString n}::2;
}
'');
};
};
testCases = {
loopback = {
name = "Loopback";
machine.networking.useNetworkd = networkd;
testScript = ''
startAll;
$machine->waitForUnit("network.target");
$machine->succeed("ip addr show lo | grep -q 'inet 127.0.0.1/8 '");
$machine->succeed("ip addr show lo | grep -q 'inet6 ::1/128 '");
'';
};
static = {
name = "Static";
nodes.router = router;
nodes.client = { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ 1 2 ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = false;
defaultGateway = "192.168.1.1";
interfaces.eth1.ip4 = mkOverride 0 [
{ address = "192.168.1.2"; prefixLength = 24; }
{ address = "192.168.1.3"; prefixLength = 32; }
{ address = "192.168.1.10"; prefixLength = 32; }
];
interfaces.eth2.ip4 = mkOverride 0 [
{ address = "192.168.2.2"; prefixLength = 24; }
];
};
};
testScript = { nodes, ... }:
''
startAll;
$client->waitForUnit("network.target");
$router->waitForUnit("network-online.target");
# Make sure dhcpcd is not started
$client->fail("systemctl status dhcpcd.service");
# Test vlan 1
$client->waitUntilSucceeds("ping -c 1 192.168.1.1");
$client->waitUntilSucceeds("ping -c 1 192.168.1.2");
$client->waitUntilSucceeds("ping -c 1 192.168.1.3");
$client->waitUntilSucceeds("ping -c 1 192.168.1.10");
$router->waitUntilSucceeds("ping -c 1 192.168.1.1");
$router->waitUntilSucceeds("ping -c 1 192.168.1.2");
$router->waitUntilSucceeds("ping -c 1 192.168.1.3");
$router->waitUntilSucceeds("ping -c 1 192.168.1.10");
# Test vlan 2
$client->waitUntilSucceeds("ping -c 1 192.168.2.1");
$client->waitUntilSucceeds("ping -c 1 192.168.2.2");
$router->waitUntilSucceeds("ping -c 1 192.168.2.1");
$router->waitUntilSucceeds("ping -c 1 192.168.2.2");
# Test default gateway
$router->waitUntilSucceeds("ping -c 1 192.168.3.1");
$client->waitUntilSucceeds("ping -c 1 192.168.3.1");
'';
};
dhcpSimple = {
name = "SimpleDHCP";
nodes.router = router;
nodes.client = { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ 1 2 ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = true;
interfaces.eth1 = {
ip4 = mkOverride 0 [ ];
ip6 = mkOverride 0 [ ];
};
interfaces.eth2 = {
ip4 = mkOverride 0 [ ];
ip6 = mkOverride 0 [ ];
};
};
};
testScript = { nodes, ... }:
''
startAll;
$client->waitForUnit("network.target");
$router->waitForUnit("network-online.target");
# Wait until we have an ip address on each interface
$client->waitUntilSucceeds("ip addr show dev eth1 | grep -q '192.168.1'");
$client->waitUntilSucceeds("ip addr show dev eth1 | grep -q 'fd00:1234:5678:1:'");
$client->waitUntilSucceeds("ip addr show dev eth2 | grep -q '192.168.2'");
$client->waitUntilSucceeds("ip addr show dev eth2 | grep -q 'fd00:1234:5678:2:'");
# Test vlan 1
$client->waitUntilSucceeds("ping -c 1 192.168.1.1");
$client->waitUntilSucceeds("ping -c 1 192.168.1.2");
$client->waitUntilSucceeds("ping -c 1 fd00:1234:5678:1::1");
$client->waitUntilSucceeds("ping -c 1 fd00:1234:5678:1::2");
$router->waitUntilSucceeds("ping -c 1 192.168.1.1");
$router->waitUntilSucceeds("ping -c 1 192.168.1.2");
$router->waitUntilSucceeds("ping -c 1 fd00:1234:5678:1::1");
$router->waitUntilSucceeds("ping -c 1 fd00:1234:5678:1::2");
# Test vlan 2
$client->waitUntilSucceeds("ping -c 1 192.168.2.1");
$client->waitUntilSucceeds("ping -c 1 192.168.2.2");
$client->waitUntilSucceeds("ping -c 1 fd00:1234:5678:2::1");
$client->waitUntilSucceeds("ping -c 1 fd00:1234:5678:2::2");
$router->waitUntilSucceeds("ping -c 1 192.168.2.1");
$router->waitUntilSucceeds("ping -c 1 192.168.2.2");
$router->waitUntilSucceeds("ping -c 1 fd00:1234:5678:2::1");
$router->waitUntilSucceeds("ping -c 1 fd00:1234:5678:2::2");
'';
};
dhcpOneIf = {
name = "OneInterfaceDHCP";
nodes.router = router;
nodes.client = { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ 1 2 ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = false;
interfaces.eth1 = {
ip4 = mkOverride 0 [ ];
useDHCP = true;
};
interfaces.eth2.ip4 = mkOverride 0 [ ];
};
};
testScript = { nodes, ... }:
''
startAll;
# Wait for networking to come up
$client->waitForUnit("network.target");
$router->waitForUnit("network.target");
# Wait until we have an ip address on each interface
$client->waitUntilSucceeds("ip addr show dev eth1 | grep -q '192.168.1'");
# Test vlan 1
$client->waitUntilSucceeds("ping -c 1 192.168.1.1");
$client->waitUntilSucceeds("ping -c 1 192.168.1.2");
$router->waitUntilSucceeds("ping -c 1 192.168.1.1");
$router->waitUntilSucceeds("ping -c 1 192.168.1.2");
# Test vlan 2
$client->waitUntilSucceeds("ping -c 1 192.168.2.1");
$client->fail("ping -c 1 192.168.2.2");
$router->waitUntilSucceeds("ping -c 1 192.168.2.1");
$router->fail("ping -c 1 192.168.2.2");
'';
};
bond = let
node = address: { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ 1 2 ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = false;
bonds.bond = {
interfaces = [ "eth1" "eth2" ];
driverOptions.mode = "balance-rr";
};
interfaces.eth1.ip4 = mkOverride 0 [ ];
interfaces.eth2.ip4 = mkOverride 0 [ ];
interfaces.bond.ip4 = mkOverride 0
[ { inherit address; prefixLength = 30; } ];
};
};
in {
name = "Bond";
nodes.client1 = node "192.168.1.1";
nodes.client2 = node "192.168.1.2";
testScript = { nodes, ... }:
''
startAll;
# Wait for networking to come up
$client1->waitForUnit("network.target");
$client2->waitForUnit("network.target");
# Test bonding
$client1->waitUntilSucceeds("ping -c 2 192.168.1.1");
$client1->waitUntilSucceeds("ping -c 2 192.168.1.2");
$client2->waitUntilSucceeds("ping -c 2 192.168.1.1");
$client2->waitUntilSucceeds("ping -c 2 192.168.1.2");
'';
};
bridge = let
node = { address, vlan }: { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ vlan ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = false;
interfaces.eth1.ip4 = mkOverride 0
[ { inherit address; prefixLength = 24; } ];
};
};
in {
name = "Bridge";
nodes.client1 = node { address = "192.168.1.2"; vlan = 1; };
nodes.client2 = node { address = "192.168.1.3"; vlan = 2; };
nodes.router = { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ 1 2 ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = false;
bridges.bridge.interfaces = [ "eth1" "eth2" ];
interfaces.eth1.ip4 = mkOverride 0 [ ];
interfaces.eth2.ip4 = mkOverride 0 [ ];
interfaces.bridge.ip4 = mkOverride 0
[ { address = "192.168.1.1"; prefixLength = 24; } ];
};
};
testScript = { nodes, ... }:
''
startAll;
# Wait for networking to come up
$client1->waitForUnit("network.target");
$client2->waitForUnit("network.target");
$router->waitForUnit("network.target");
# Test bridging
$client1->waitUntilSucceeds("ping -c 1 192.168.1.1");
$client1->waitUntilSucceeds("ping -c 1 192.168.1.2");
$client1->waitUntilSucceeds("ping -c 1 192.168.1.3");
$client2->waitUntilSucceeds("ping -c 1 192.168.1.1");
$client2->waitUntilSucceeds("ping -c 1 192.168.1.2");
$client2->waitUntilSucceeds("ping -c 1 192.168.1.3");
$router->waitUntilSucceeds("ping -c 1 192.168.1.1");
$router->waitUntilSucceeds("ping -c 1 192.168.1.2");
$router->waitUntilSucceeds("ping -c 1 192.168.1.3");
'';
};
macvlan = {
name = "MACVLAN";
nodes.router = router;
nodes.client = { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ 1 ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = true;
macvlans.macvlan.interface = "eth1";
interfaces.eth1.ip4 = mkOverride 0 [ ];
};
};
testScript = { nodes, ... }:
''
startAll;
# Wait for networking to come up
$client->waitForUnit("network.target");
$router->waitForUnit("network.target");
# Wait until we have an ip address on each interface
$client->waitUntilSucceeds("ip addr show dev eth1 | grep -q '192.168.1'");
$client->waitUntilSucceeds("ip addr show dev macvlan | grep -q '192.168.1'");
# Print diagnosting information
$router->succeed("ip addr >&2");
$client->succeed("ip addr >&2");
# Test macvlan creates routable ips
$client->waitUntilSucceeds("ping -c 1 192.168.1.1");
$client->waitUntilSucceeds("ping -c 1 192.168.1.2");
$client->waitUntilSucceeds("ping -c 1 192.168.1.3");
$router->waitUntilSucceeds("ping -c 1 192.168.1.1");
$router->waitUntilSucceeds("ping -c 1 192.168.1.2");
$router->waitUntilSucceeds("ping -c 1 192.168.1.3");
'';
};
sit = let
node = { address4, remote, address6 }: { config, pkgs, ... }: with pkgs.lib; {
virtualisation.vlans = [ 1 ];
networking = {
useNetworkd = networkd;
firewall.enable = false;
useDHCP = false;
sits.sit = {
inherit remote;
local = address4;
dev = "eth1";
};
interfaces.eth1.ip4 = mkOverride 0
[ { address = address4; prefixLength = 24; } ];
interfaces.sit.ip6 = mkOverride 0
[ { address = address6; prefixLength = 64; } ];
};
};
in {
name = "Sit";
nodes.client1 = node { address4 = "192.168.1.1"; remote = "192.168.1.2"; address6 = "fc00::1"; };
nodes.client2 = node { address4 = "192.168.1.2"; remote = "192.168.1.1"; address6 = "fc00::2"; };
testScript = { nodes, ... }:
''
startAll;
# Wait for networking to be configured
$client1->waitForUnit("network.target");
$client2->waitForUnit("network.target");
# Print diagnostic information
$client1->succeed("ip addr >&2");
$client2->succeed("ip addr >&2");
# Test ipv6
$client1->waitUntilSucceeds("ping -c 1 fc00::1");
$client1->waitUntilSucceeds("ping -c 1 fc00::2");
$client2->waitUntilSucceeds("ping -c 1 fc00::1");
$client2->waitUntilSucceeds("ping -c 1 fc00::2");
'';
};
vlan = let
node = address: { config, pkgs, ... }: with pkgs.lib; {
#virtualisation.vlans = [ 1 ];
networking = {
useNetworkd = networkd;
firewall.allowPing = true;
useDHCP = false;
vlans.vlan = {
id = 1;
interface = "eth0";
};
interfaces.eth0.ip4 = mkOverride 0 [ ];
interfaces.eth1.ip4 = mkOverride 0 [ ];
interfaces.vlan.ip4 = mkOverride 0
[ { inherit address; prefixLength = 24; } ];
};
};
in {
name = "vlan";
nodes.client1 = node "192.168.1.1";
nodes.client2 = node "192.168.1.2";
testScript = { nodes, ... }:
''
startAll;
# Wait for networking to be configured
$client1->waitForUnit("network.target");
$client2->waitForUnit("network.target");
# Test vlan is setup
$client1->succeed("ip addr show dev vlan >&2");
$client2->succeed("ip addr show dev vlan >&2");
'';
};
};
in mapAttrs (const (attrs: makeTest (attrs // {
name = "${attrs.name}-Networking-${if networkd then "Networkd" else "Scripted"}";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ wkennington ];
};
}))) testCases