104 lines
2.9 KiB
Nix
104 lines
2.9 KiB
Nix
# This test runs FRR and checks if OSPF routing works.
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#
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# Network topology:
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# [ client ]--net1--[ router1 ]--net2--[ router2 ]--net3--[ server ]
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#
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# All interfaces are in OSPF Area 0.
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import ./make-test-python.nix ({ pkgs, ... }:
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let
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ifAddr = node: iface: (pkgs.lib.head node.config.networking.interfaces.${iface}.ipv4.addresses).address;
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ospfConf1 = ''
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router ospf
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network 192.168.0.0/16 area 0
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'';
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ospfConf2 = ''
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interface eth2
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ip ospf hello-interval 1
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ip ospf dead-interval 5
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!
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router ospf
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network 192.168.0.0/16 area 0
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'';
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in
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{
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name = "frr";
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meta = with pkgs.lib.maintainers; {
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maintainers = [ ];
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};
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nodes = {
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client =
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{ nodes, ... }:
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{
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virtualisation.vlans = [ 1 ];
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networking.defaultGateway = ifAddr nodes.router1 "eth1";
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};
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router1 =
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{ ... }:
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{
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virtualisation.vlans = [ 1 2 ];
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boot.kernel.sysctl."net.ipv4.ip_forward" = "1";
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networking.firewall.extraCommands = "iptables -A nixos-fw -i eth2 -p ospfigp -j ACCEPT";
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services.frr.ospf = {
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enable = true;
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config = ospfConf1;
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};
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specialisation.ospf.configuration = {
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services.frr.ospf.config = ospfConf2;
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};
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};
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router2 =
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{ ... }:
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{
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virtualisation.vlans = [ 3 2 ];
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boot.kernel.sysctl."net.ipv4.ip_forward" = "1";
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networking.firewall.extraCommands = "iptables -A nixos-fw -i eth2 -p ospfigp -j ACCEPT";
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services.frr.ospf = {
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enable = true;
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config = ospfConf2;
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};
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};
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server =
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{ nodes, ... }:
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{
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virtualisation.vlans = [ 3 ];
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networking.defaultGateway = ifAddr nodes.router2 "eth1";
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};
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};
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testScript =
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{ nodes, ... }:
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''
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start_all()
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# Wait for the networking to start on all machines
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for machine in client, router1, router2, server:
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machine.wait_for_unit("network.target")
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with subtest("Wait for Zebra and OSPFD"):
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for gw in router1, router2:
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gw.wait_for_unit("zebra")
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gw.wait_for_unit("ospfd")
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router1.succeed("${nodes.router1.config.system.build.toplevel}/specialisation/ospf/bin/switch-to-configuration test >&2")
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with subtest("Wait for OSPF to form adjacencies"):
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for gw in router1, router2:
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gw.wait_until_succeeds("vtysh -c 'show ip ospf neighbor' | grep Full")
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gw.wait_until_succeeds("vtysh -c 'show ip route' | grep '^O>'")
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with subtest("Test ICMP"):
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client.wait_until_succeeds("ping -c 3 server >&2")
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'';
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})
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