From 6664affaa0127123d9eeae54128f845246ec7194 Mon Sep 17 00:00:00 2001 From: Alex Auvolat Date: Thu, 9 Mar 2023 16:39:58 +0100 Subject: [PATCH] wgautomesh gossip secret file --- cluster/staging/cluster.nix | 2 +- deploy_nixos | 3 +++ nix/deuxfleurs.nix | 1 + nix/wgautomesh.nix | 14 +++++++++++++- 4 files changed, 18 insertions(+), 2 deletions(-) diff --git a/cluster/staging/cluster.nix b/cluster/staging/cluster.nix index 788ac69..8629f3a 100644 --- a/cluster/staging/cluster.nix +++ b/cluster/staging/cluster.nix @@ -34,7 +34,7 @@ site_name = "corrin"; publicKey = "m9rLf+233X1VColmeVrM/xfDGro5W6Gk5N0zqcf32WY="; IP = "10.14.3.1"; - endpoint = "82.120.233.78:33721"; + #endpoint = "82.120.233.78:33721"; } { hostname = "df-pw5"; diff --git a/deploy_nixos b/deploy_nixos index b1c9be7..48ef9ea 100755 --- a/deploy_nixos +++ b/deploy_nixos @@ -9,6 +9,9 @@ copy cluster/$CLUSTER/node/$NIXHOST.site.nix /etc/nixos/site.nix if [ "$CLUSTER" = "staging" ]; then copy nix/nomad-driver-nix2.nix /etc/nixos/nomad-driver-nix2.nix + + cmd mkdir -p /var/lib/wgautomesh + write_pass deuxfleurs/cluster/$CLUSTER/wgautomesh_gossip_secret /var/lib/wgautomesh/gossip_secret copy nix/wgautomesh.nix /etc/nixos/wgautomesh.nix fi diff --git a/nix/deuxfleurs.nix b/nix/deuxfleurs.nix index 4de99cf..e82e3f6 100644 --- a/nix/deuxfleurs.nix +++ b/nix/deuxfleurs.nix @@ -249,6 +249,7 @@ in enable = true; interface = "wg0"; gossipPort = 1666; + gossipSecretFile = "/var/lib/wgautomesh/gossip_secret"; upnpForwardPublicPort = let us = filter ({ hostname, ...}: hostname == config.networking.hostName) cfg.cluster_nodes; diff --git a/nix/wgautomesh.nix b/nix/wgautomesh.nix index 8812fb3..c09b874 100644 --- a/nix/wgautomesh.nix +++ b/nix/wgautomesh.nix @@ -23,6 +23,10 @@ in type = types.port; description = "wgautomesh gossip port"; }; + gossipSecretFile = mkOption { + type = types.nullOr types.str; + description = "File containing the gossip secret encryption key"; + }; lanDiscovery = mkOption { type = types.bool; default = true; @@ -72,13 +76,16 @@ in ${endpointDef} '') cfg.peers; extraDefs = (if cfg.lanDiscovery then ["lan_discovery = true"] else []) + ++ (if (cfg.gossipSecretFile != null) + then [''gossip_secret_file = "${cfg.gossipSecretFile}"''] else []) ++ (if (cfg.upnpForwardPublicPort != null) then [''upnp_forward_external_port = ${toString cfg.upnpForwardPublicPort}''] else []); configfile = pkgs.writeText "wgautomesh.toml" '' interface = "${cfg.interface}" gossip_port = ${toString cfg.gossipPort} + ${concatStringsSep "\n" extraDefs} - ${concatStringsSep "\n" (extraDefs ++ peerDefs)} + ${concatStringsSep "\n" peerDefs} ''; in { systemd.services.wgautomesh = { @@ -95,7 +102,12 @@ in Restart = "always"; RestartSec = "30"; + ExecStartPre = [ "+${pkgs.coreutils}/bin/chown wgautomesh /var/lib/wgautomesh/gossip_secret" ]; + DynamicUser = true; + User = "wgautomesh"; + StateDirectory = "wgautomesh"; + StateDirectoryMode = "0700"; AmbientCapabilities = "CAP_NET_ADMIN CAP_NET_BIND_SERVICE"; CapabilityBoundingSet = "CAP_NET_ADMIN CAP_NET_BIND_SERVICE"; };