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{ pkgs, lib, ... }:
{
name = "containers-restart_networking";
meta = {
};
nodes = {
client = {
virtualisation.vlans = [ 1 ];
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;
}
];
nix.enable = false; # disabled by default on the test's host. See all-tests.nix / tag(no-nix-by-default)
};
};
networking.bridges.br0 = {
interfaces = [ ];
rstp = false;
};
networking.interfaces.br0.ipv4.addresses = [
{
address = "192.168.1.1";
prefixLength = 24;
}
];
networking.interfaces.eth1 = {
ipv4.addresses = lib.mkForce [ ];
ipv6.addresses = lib.mkForce [ ];
};
specialisation.eth1.configuration = {
networking.bridges.br0.interfaces = [ "eth1" ];
networking.interfaces = {
eth1.ipv4.addresses = lib.mkForce [ ];
eth1.ipv6.addresses = lib.mkForce [ ];
br0.ipv4.addresses = [
{
address = "192.168.1.2";
prefixLength = 24;
}
];
};
};
};
};
testScript = ''
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(
"/run/booted-system/specialisation/eth1/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",
)
with subtest("Reverting to initial configuration preserves connectivity"):
client.succeed(
"/run/booted-system/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")
'';
}
|
