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|
{ config, pkgs, ... }: let {
lib = import ../../lib;
body.options.krebs.systemd.services = lib.mkOption {
default = {};
type = lib.types.attrsOf (lib.types.submodule {
options = {
ifCredentialsChange = lib.mkOption {
default = "restart";
description = ''
Whether to reload or restart the service whenever any its
credentials change. Only credentials with an absolute path in
LoadCredential= are supported.
'';
type = lib.types.enum [
"reload"
"restart"
null
];
};
serviceConfig.LoadCredential = lib.mkOption {
apply = lib.toList;
type =
lib.types.either lib.types.str (lib.types.listOf lib.types.str);
};
};
});
};
body.config.systemd =
lib.mkMerge
(lib.flatten
(lib.mapAttrsToList (serviceName: cfg: let
paths =
lib.filter
lib.types.absolute-pathname.check
(map
(lib.compose [ lib.maybeHead (lib.match "[^:]*:(.*)") ])
cfg.serviceConfig.LoadCredential);
in
lib.singleton {
services.${serviceName} = {
serviceConfig = {
LoadCredential = cfg.serviceConfig.LoadCredential;
};
};
}
++
lib.optionals (cfg.ifCredentialsChange != null) (map (path: let
triggerName = "trigger-${lib.systemd.encodeName path}";
in {
paths.${triggerName} = {
wantedBy = ["multi-user.target"];
pathConfig.PathChanged = path;
};
services.${triggerName} = {
serviceConfig = {
Type = "oneshot";
ExecStart = lib.singleton (toString [
"${pkgs.systemd}/bin/systemctl ${cfg.ifCredentialsChange}"
(lib.shell.escape serviceName)
]);
};
};
}) paths)
) config.krebs.systemd.services));
}
|
