xin/configs/tailnet.nix

103 lines
2.5 KiB
Nix

{
config,
pkgs,
lib,
inputs,
xinlib,
...
}: let
tailnetACLs = let
acls = {
hosts = {
europa = "100.92.31.80";
startpage = "100.120.84.116";
startdev = "100.92.56.119";
go = "100.117.47.51";
nbc = "100.122.61.43"; # nix-binary-cache
console = "100.87.112.70";
box = "100.120.151.126";
};
tagOwners = {
"tag:untrusted" = ["qbit@github"];
"tag:minservice" = ["qbit@github"];
"tag:apper" = ["qbit@github"];
"tag:golink" = ["qbit@github"];
"tag:lab" = ["qbit@github"];
};
acls = [
{
action = "accept";
src = ["tag:untrusted"];
dst = [
"europa:22"
"europa:12304"
"startpage:443"
"startdev:443"
"go:80"
"tag:lab:22"
"nbc:443"
];
}
{
action = "accept";
src = ["tag:minservice"];
dst = ["*:22" "box:3030" "nbc:443" "console:2222"];
}
{
action = "accept";
src = ["qbit@github"];
dst = ["*:*"];
}
];
};
in
pkgs.writeTextFile {
name = "tailnet-acls.json";
text = builtins.toJSON acls;
};
aclUpdateScript = pkgs.writeShellScriptBin "tailnet-acl-updater" ''
set -eu
. ${config.sops.secrets.po_env.path}
JQ=${pkgs.jq}/bin/jq
PO=${inputs.po.packages.${pkgs.system}.po}/bin/po
APIURL="https://api.tailscale.com/api/v2/tailnet/-/acl"
TOKEN="$(cat ${config.sops.secrets.tailnet_acl_manager.path}):"
ERROR="$(${pkgs.curl}/bin/curl "$APIURL/validate" -u "$TOKEN" -d @${tailnetACLs} | $JQ -r .message)"
if [ "$ERROR" = "null" ]; then
RESP="$(${pkgs.curl}/bin/curl "$APIURL" -u "$TOKEN" -d @${tailnetACLs} | $JQ -r .message)"
if [ "$RESP" != "null" ]; then
$PO -title "Failed to update TailNet!" -body "$RESP"
fi
fi
'';
jobs = [
{
name = "update-talenet-acls";
script = "${aclUpdateScript}/bin/tailnet-acl-updater";
startAt = "*:30:00";
path = [];
inherit (config.nixManager) user;
}
];
in
with lib; {
sops.secrets = {
tailnet_acl_manager = {
owner = config.nixManager.user;
sopsFile = config.xin-secrets.manager;
};
po_env = {
owner = config.nixManager.user;
sopsFile = config.xin-secrets.manager;
};
};
systemd.services = listToAttrs (builtins.map xinlib.jobToService jobs);
}