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tincDifferent.nix
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tincDifferent.nix
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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.tincDifferent;
in
{
options = {
services.tincDifferent = {
networks = mkOption {
default = { };
type = with types; attrsOf (submodule {
options = {
nodeName = mkOption {
default = null;
type = types.nullOr types.str;
description = ''
Name of the Node in the tinc network.
'';
};
port = mkOption {
default = 655;
type = types.int;
description = ''
TCP / UDP port used byt the tinc network (The Port
has to be supplied in the node configuration as well,
since the original tinc module takes the Port from
there).
'';
};
ipv4Address = mkOption {
default = null;
type = types.nullOr types.str;
description = ''
IPv4 Address of the machine on the tinc network.
'';
example = "10.0.0.1";
};
ipv4Prefix = mkOption {
default = null;
type = types.nullOr types.int;
description = ''
IPv4 Prefix of the machine on the tinc network.
'';
example = 24;
};
};
});
description = ''
Defines the tinc networks which will be started.
Each network invokes a different daemon.
'';
};
};
};
config = {
networking.firewall = fold (a: b: a // b) { }
(flip mapAttrsToList cfg.networks (network: data:
{
allowedTCPPorts = [ data.port ];
allowedUDPPorts = [ data.port ];
}
));
services.tinc.networks = builtins.mapAttrs (network: data: {
name = data.nodeName;
hosts = let
# files = builtins.readDir ("/etc/nixos/vpn/tinc/" + network);
# filenames = builtins.attrNames files;
# filepaths = map (x: "/etc/nixos/vpn/tinc/" + network + "/" + x) filenames;
# filecontents = map builtins.readFile filepaths;
# jsondata = map (x: builtins.fromJSON x) filecontents;
# attrsetdata = builtins.listToAttrs jsondata;
files = map (x: "/etc/nixos/vpn/tinc/" + network + "/" + x) (builtins.attrNames (builtins.readDir ("/etc/nixos/vpn/tinc/" + network +"/")));
## CHECK!! use builtins.readFile before import and check if we notice changes on rebuilds!
attrsetdata = builtins.listToAttrs (map (x: lib.nameValuePair x.name x.config) (map (x: (import x).tinc) files));
in attrsetdata;
}) cfg.networks;
#networking.interfaces = builtins.mapAttrs (network: data: {
# "tinc.${network}".ipv4.routes = let
# files = map (x: "/etc/nixos/vpn/tinc/" + network + "/" + x) (builtins.attrNames (builtins.readDir ("/etc/nixos/vpn/tinc/" + network +"/")));
# routes = builtins.concatLists (map (x: x.ipv4) (map (x: (import x).routes) files));
# in routes;
#}) cfg.networks;
networking.interfaces = fold (a: b: a // b) { }
(flip mapAttrsToList cfg.networks (network: data:
{
"tinc.${network}".ipv4 = {
addresses = [
{
address = data.ipv4Address;
prefixLength = data.ipv4Prefix;
}
];
routes = let
files = map (x: "/etc/nixos/vpn/tinc/" + network + "/" + x) (builtins.attrNames (builtins.readDir ("/etc/nixos/vpn/tinc/" + network +"/")));
routes = builtins.concatLists (map (x: x.ipv4) (map (x: (import x).routes) files));
in routes;
};
}
));
};
}