113 lines
3.6 KiB
Nix
113 lines
3.6 KiB
Nix
let
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client_base = {
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networking.firewall.enable = false;
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containers.webserver = {
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autoStart = true;
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privateNetwork = true;
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hostBridge = "br0";
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config = {
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networking.firewall.enable = false;
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networking.interfaces.eth0.ipv4.addresses = [
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{ address = "192.168.1.122"; prefixLength = 24; }
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];
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};
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};
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};
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in import ./make-test-python.nix ({ pkgs, lib, ... }:
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{
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name = "containers-restart_networking";
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meta = {
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maintainers = with lib.maintainers; [ kampfschlaefer ];
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};
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nodes = {
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client = { lib, ... }: client_base // {
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virtualisation.vlans = [ 1 ];
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networking.bridges.br0 = {
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interfaces = [];
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rstp = false;
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};
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networking.interfaces = {
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eth1.ipv4.addresses = lib.mkOverride 0 [ ];
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br0.ipv4.addresses = [ { address = "192.168.1.1"; prefixLength = 24; } ];
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};
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};
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client_eth1 = { lib, ... }: client_base // {
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networking.bridges.br0 = {
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interfaces = [ "eth1" ];
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rstp = false;
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};
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networking.interfaces = {
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eth1.ipv4.addresses = lib.mkOverride 0 [ ];
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br0.ipv4.addresses = [ { address = "192.168.1.2"; prefixLength = 24; } ];
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};
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};
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client_eth1_rstp = { lib, ... }: client_base // {
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networking.bridges.br0 = {
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interfaces = [ "eth1" ];
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rstp = true;
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};
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networking.interfaces = {
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eth1.ipv4.addresses = lib.mkOverride 0 [ ];
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br0.ipv4.addresses = [ { address = "192.168.1.2"; prefixLength = 24; } ];
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};
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};
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};
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testScript = {nodes, ...}: let
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originalSystem = nodes.client.config.system.build.toplevel;
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eth1_bridged = nodes.client_eth1.config.system.build.toplevel;
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eth1_rstp = nodes.client_eth1_rstp.config.system.build.toplevel;
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in ''
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client.start()
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client.wait_for_unit("default.target")
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with subtest("Initial configuration connectivity check"):
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client.succeed("ping 192.168.1.122 -c 1 -n >&2")
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client.succeed("nixos-container run webserver -- ping -c 1 -n 192.168.1.1 >&2")
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client.fail("ip l show eth1 |grep 'master br0' >&2")
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client.fail("grep eth1 /run/br0.interfaces >&2")
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with subtest("Bridged configuration without STP preserves connectivity"):
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client.succeed(
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"${eth1_bridged}/bin/switch-to-configuration test >&2"
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)
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client.succeed(
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"ping 192.168.1.122 -c 1 -n >&2",
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"nixos-container run webserver -- ping -c 1 -n 192.168.1.2 >&2",
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"ip l show eth1 |grep 'master br0' >&2",
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"grep eth1 /run/br0.interfaces >&2",
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)
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# activating rstp needs another service, therefore the bridge will restart and the container will lose its connectivity
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# with subtest("Bridged configuration with STP"):
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# client.succeed("${eth1_rstp}/bin/switch-to-configuration test >&2")
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# client.execute("ip -4 a >&2")
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# client.execute("ip l >&2")
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#
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# client.succeed(
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# "ping 192.168.1.122 -c 1 -n >&2",
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# "nixos-container run webserver -- ping -c 1 -n 192.168.1.2 >&2",
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# "ip l show eth1 |grep 'master br0' >&2",
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# "grep eth1 /run/br0.interfaces >&2",
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# )
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with subtest("Reverting to initial configuration preserves connectivity"):
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client.succeed(
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"${originalSystem}/bin/switch-to-configuration test >&2"
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)
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client.succeed("ping 192.168.1.122 -c 1 -n >&2")
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client.succeed("nixos-container run webserver -- ping -c 1 -n 192.168.1.1 >&2")
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client.fail("ip l show eth1 |grep 'master br0' >&2")
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client.fail("grep eth1 /run/br0.interfaces >&2")
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'';
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})
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