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nixpkgs/nixos/tests/networking.nix
aszlig 4c61faa009
nixos/tests/networking: Add a test for loopback 
It serves as a regression test, because right now if you enable
networking.useNetworkd the default loopback interface doesn't get
assigned any IP addresses.

To be sure, I have bisected this and it has been introduced with the
update to systemd 228 in 1da87d4.

Only the "scripted" networking tests have to succeed in order to trigger
a channel update of nixos-unstable, so I'm leaving this test as broken
and we have to figure out next what's the *exact* reason for the
breakage.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2015-12-18 07:09:42 +01:00

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import ./make-test.nix ({ pkgs, networkd, test, ... }:
let
router = { config, pkgs, ... }:
with pkgs.lib;
let
vlanIfs = range 1 (length config.virtualisation.vlans);
in {
virtualisation.vlans = [ 1 2 3 ];
networking = {
useDHCP = false;
useNetworkd = networkd;
firewall.allowPing = true;
interfaces = mkOverride 0 (listToAttrs (flip map vlanIfs (n:
nameValuePair "eth${toString n}" {
ipAddress = "192.168.${toString n}.1";
prefixLength = 24;
})));
};
services.dhcpd = {
enable = true;
interfaces = map (n: "eth${toString n}") vlanIfs;
extraConfig = ''
option subnet-mask 255.255.255.0;
'' + flip concatMapStrings vlanIfs (n: ''
subnet 192.168.${toString n}.0 netmask 255.255.255.0 {
option broadcast-address 192.168.${toString n}.255;
option routers 192.168.${toString n}.1;
range 192.168.${toString n}.2 192.168.${toString n}.254;
}
'');
};
};
testCases = {
loopback = {
name = "Loopback";
machine.networking.useNetworkd = networkd;
testScript = ''
startAll;
$machine->waitForUnit("network-interfaces.target");
$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-interfaces.target");
$client->waitForUnit("network.target");
$router->waitForUnit("network-interfaces.target");
$router->waitForUnit("network.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 [ ];
interfaces.eth2.ip4 = mkOverride 0 [ ];
};
};
testScript = { nodes, ... }:
''
startAll;
$client->waitForUnit("network-interfaces.target");
$client->waitForUnit("network.target");
$router->waitForUnit("network-interfaces.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 eth2 | grep -q '192.168.2'");
# 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->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");
'';
};
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-interfaces.target");
$client->waitForUnit("network.target");
$router->waitForUnit("network-interfaces.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 = {
mode = "balance-rr";
interfaces = [ "eth1" "eth2" ];
};
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-interfaces.target");
$client1->waitForUnit("network.target");
$client2->waitForUnit("network-interfaces.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-interfaces.target");
$client1->waitForUnit("network.target");
$client2->waitForUnit("network-interfaces.target");
$client2->waitForUnit("network.target");
$router->waitForUnit("network-interfaces.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-interfaces.target");
$client->waitForUnit("network.target");
$router->waitForUnit("network-interfaces.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-interfaces.target");
$client1->waitForUnit("network.target");
$client2->waitForUnit("network-interfaces.target");
$client2->waitForUnit("network.target");
# Print diagnostic information
$client1->succeed("ip addr >&2");
$client2->succeed("ip addr >&2");
# Test ipv6
$client1->waitUntilSucceeds("ping6 -c 1 fc00::1");
$client1->waitUntilSucceeds("ping6 -c 1 fc00::2");
$client2->waitUntilSucceeds("ping6 -c 1 fc00::1");
$client2->waitUntilSucceeds("ping6 -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-interfaces.target");
$client1->waitForUnit("network.target");
$client2->waitForUnit("network-interfaces.target");
$client2->waitForUnit("network.target");
# Test vlan is setup
$client1->succeed("ip addr show dev vlan >&2");
$client2->succeed("ip addr show dev vlan >&2");
'';
};
};
case = testCases.${test};
in case // {
name = "${case.name}-Networking-${if networkd then "Networkd" else "Scripted"}";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ wkennington ];
};
})
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