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{ config, lib, pkgs, ... }:
let
cfg = config.my.services.drone;
hasRunner = (name: builtins.elem name cfg.runners);
execPkg = pkgs.drone-runner-exec;
in {
config = lib.mkIf (cfg.enable && hasRunner "exec") {
systemd.services.drone-runner-exec = {
wantedBy = [ "multi-user.target" ];
# might break deployment
restartIfChanged = false;
confinement.enable = true;
confinement.packages = with pkgs; [ git gnutar bash nixUnstable gzip ];
path = with pkgs; [ git gnutar bash nixUnstable gzip ];
serviceConfig = {
Environment = [
"DRONE_SERVER_HOST=${cfg.vhostName}"
"DRONE_SERVER_PROTO=https"
"DRONE_RUNNER_CAPACITY=10"
"CLIENT_DRONE_RPC_HOST=127.0.0.1:${toString cfg.port}"
"NIX_REMOTE=daemon"
"PAGER=cat"
];
BindPaths = [ "/nix/var/nix/daemon-socket/socket" ];
BindReadOnlyPaths = [
"/etc/resolv.conf:/etc/resolv.conf"
"/etc/resolvconf.conf:/etc/resolvconf.conf"
"/etc/passwd:/etc/passwd"
"/etc/group:/etc/group"
"/nix/var/nix/profiles/system/etc/nix:/etc/nix"
"${
config.environment.etc."ssl/certs/ca-certificates.crt".source
}:/etc/ssl/certs/ca-certificates.crt"
"${
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/"
];
EnvironmentFile = [ cfg.sharedSecretFile ];
ExecStart = "${execPkg}/bin/drone-runner-exec";
User = "drone-runner-exec";
Group = "drone-runner-exec";
};
};
users.users.drone-runner-exec = {
isSystemUser = true;
group = "drone-runner-exec";
};
users.groups.drone-runner-exec = { };
};
}
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