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