nix-config/modules/services/woodpecker/agent-exec/default.nix

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{ config, lib, pkgs, ... }:
let
cfg = config.my.services.woodpecker;
hasRunner = (name: builtins.elem name cfg.runners);
in
{
config = lib.mkIf (cfg.enable && hasRunner "exec") {
services.woodpecker-agents = {
agents.exec = {
enable = true;
environment = {
WOODPECKER_SERVER = "localhost:${toString cfg.rpcPort}";
WOODPECKER_MAX_WORKFLOWS = "10";
WOODPECKER_BACKEND = "local";
WOODPECKER_FILTER_LABELS = "type=exec";
WOODPECKER_HEALTHCHECK = "false";
NIX_REMOTE = "daemon";
PAGER = "cat";
};
environmentFile = [ cfg.sharedSecretFile ];
};
};
# Adjust runner service for nix usage
systemd.services.woodpecker-agent-exec = {
# Might break deployment
restartIfChanged = false;
path = with pkgs; [
woodpecker-plugin-git
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bash
coreutils
git
git-lfs
gnutar
gzip
nix
];
serviceConfig = {
# Same option as upstream, without @setuid
SystemCallFilter = lib.mkForce "~@clock @privileged @cpu-emulation @debug @keyring @module @mount @obsolete @raw-io @reboot @swap";
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BindPaths = [
"/nix/var/nix/daemon-socket/socket"
"/run/nscd/socket"
];
BindReadOnlyPaths = [
"/etc/passwd:/etc/passwd"
"/etc/group:/etc/group"
"/nix/var/nix/profiles/system/etc/nix:/etc/nix"
"${config.environment.etc."ssh/ssh_known_hosts".source}:/etc/ssh/ssh_known_hosts"
"/etc/machine-id"
# channels are dynamic paths in the nix store, therefore we need to bind mount the whole thing
"/nix/"
];
};
};
};
}