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l sync-containers3: use networkd

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lassulus 2022-12-30 23:36:50 +01:00
parent 96f27d2db0
commit 8a04a15a7b
1 changed files with 29 additions and 37 deletions
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66
lass/3modules/sync-containers3.nix
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@ -64,7 +64,6 @@ in {
privateNetwork = true;
hostBridge = "ctr0";
bindMounts = {
"/etc/resolv.conf".hostPath = "/etc/resolv.conf";
"/var/lib/self/disk" = {
hostPath = "/var/lib/sync-containers3/${ctr.name}/disk";
isReadOnly = false;
@ -257,44 +256,26 @@ in {
})
(lib.mkIf (cfg.containers != {}) {
# networking
networking.networkmanager.unmanaged = [ "ctr0" ];
networking.interfaces.dummy0.virtual = true;
networking.bridges.ctr0.interfaces = [ "dummy0" ];
networking.interfaces.ctr0.ipv4.addresses = [{
address = "10.233.0.1";
prefixLength = 24;
}];
systemd.services."dhcpd-ctr0" = {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
Type = "forking";
Restart = "always";
DynamicUser = true;
StateDirectory = "dhcpd-ctr0";
User = "dhcpd-ctr0";
Group = "dhcpd-ctr0";
AmbientCapabilities = [
"CAP_NET_RAW" # to send ICMP messages
"CAP_NET_BIND_SERVICE" # to bind on DHCP port (67)
];
ExecStartPre = "${pkgs.coreutils}/bin/touch /var/lib/dhcpd-ctr0/dhcpd.leases";
ExecStart = "${pkgs.dhcp}/bin/dhcpd -4 -lf /var/lib/dhcpd-ctr0/dhcpd.leases -cf ${pkgs.writeText "dhpd.conf" ''
default-lease-time 600;
max-lease-time 7200;
authoritative;
ddns-update-style interim;
log-facility local1; # see dhcpd.nix
option subnet-mask 255.255.255.0;
option routers 10.233.0.1;
# option domain-name-servers 8.8.8.8; # TODO configure dns server
subnet 10.233.0.0 netmask 255.255.255.0 {
range 10.233.0.10 10.233.0.250;
}
''} ctr0";
systemd.network.networks.ctr0 = {
name = "ctr0";
address = [
"10.233.0.1/24"
];
networkConfig = {
IPForward = "yes";
IPMasquerade = "both";
ConfigureWithoutCarrier = true;
DHCPServer = "yes";
};
};
systemd.network.netdevs.ctr0.netdevConfig = {
Kind = "bridge";
Name = "ctr0";
};
networking.networkmanager.unmanaged = [ "ctr0" ];
krebs.iptables.tables.filter.INPUT.rules = [
{ predicate = "-i ctr0"; target = "ACCEPT"; }
];
})
(lib.mkIf cfg.inContainer.enable {
users.groups.container_sync = {};
@ -308,6 +289,17 @@ in {
cfg.inContainer.pubkey
];
};
networking.useHostResolvConf = false;
networking.useNetworkd = true;
systemd.network = {
enable = true;
networks.eth0 = {
matchConfig.Name = "eth0";
DHCP = "yes";
dhcpV4Config.UseDNS = true;
};
};
})
];
}