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Setup mail server and restructure some things

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This commit is contained in:
yuri 2023-09-14 14:43:49 +02:00
commit 4a802ab44d
90 changed files with 512 additions and 66 deletions
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69
config/hosts/lifeline/configuration.nix Normal file
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{ pkgs, ... }:
{
boot.loader.grub = {
enable = true;
device = "/dev/vda";
};
boot.kernel.sysctl."net.ipv4.conf.all.forwarding" = true;
networking = {
hostName = "lifeline";
useDHCP = true;
wireguard = {
enable = true;
interfaces.wg0 = {
privateKeyFile = "/secrets/wireguard-lifeline-mail-1-lifeline-privatekey.secret";
listenPort = 51820;
ips = [
"172.16.50.1/24"
];
peers = [
{
name = "mail-1";
publicKey = "CyKPjkY1ah/lE6V3R0XugNo28doeAtD8wEtAeDB7bHs=";
presharedKeyFile = "/secrets/wireguard-lifeline-mail-1-lifeline-psk.secret";
allowedIPs = [ "172.16.50.2/32" ];
}
];
postSetup = ''
${pkgs.iptables}/bin/iptables -A FORWARD -i wg0 -j ACCEPT
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 172.16.50.0/24 -o ens6 -j MASQUERADE
'';
postShutdown = ''
${pkgs.iptables}/bin/iptables -D FORWARD -i wg0 -j ACCEPT
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 172.16.50.0/24 -o ens6 -j MASQUERADE
'';
};
};
nat = {
enable = true;
internalInterfaces = [ "wg0" ];
externalInterface = "ens6";
forwardPorts = [
{
destination = "172.16.50.2:25";
proto = "tcp";
sourcePort = 25;
}
{
destination = "172.16.50.2:465";
proto = "tcp";
sourcePort = 465;
}
{
destination = "172.16.50.2:993";
proto = "tcp";
sourcePort = 993;
}
];
};
firewall = {
allowedUDPPorts = [ 51820 ];
};
};
services.prometheus.exporters.node.enable = false;
system.stateVersion = "23.05";
}

7
config/hosts/lifeline/default.nix Normal file
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{ ... }:
{
imports = [
./configuration.nix
./hardware-configuration.nix
];
}

16
config/hosts/lifeline/hardware-configuration.nix Normal file
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{ modulesPath, ... }:
{
imports = [
(modulesPath + "/profiles/qemu-guest.nix")
];
boot.initrd = {
availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
kernelModules = [ "nvme" ];
};
fileSystems."/" = {
device = "/dev/vda1";
fsType = "ext4";
};
}

19
config/hosts/lifeline/secrets.nix Normal file
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{ ... }:
{
deployment.keys."wireguard-lifeline-mail-1-lifeline-psk.secret" = {
keyCommand = [ "env" "GNUPGHOME=/home/yuri/.passinfra_gnupg" "PASSWORD_STORE_DIR=/home/yuri/pass/infra" "pass" "wireguard/lifeline-mail-1/psk" ];
destDir = "/secrets";
user = "root";
group = "root";
permissions = "0640";
uploadAt = "pre-activation";
};
deployment.keys."wireguard-lifeline-mail-1-lifeline-privatekey.secret" = {
keyCommand = [ "env" "GNUPGHOME=/home/yuri/.passinfra_gnupg" "PASSWORD_STORE_DIR=/home/yuri/pass/infra" "pass" "wireguard/lifeline-mail-1/lifeline-privatekey" ];
destDir = "/secrets";
user = "root";
group = "root";
permissions = "0640";
uploadAt = "pre-activation";
};
}