nixpkgs/upstart-jobs/portmap.nix

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{pkgs, config, ...}:
###### interface
let
inherit (pkgs.lib) mkOption mkIf;
inherit (pkgs) makePortmap;
uid = (import ../system/ids.nix).uids.portmap;
gid = (import ../system/ids.nix).gids.portmap;
options = {
services = {
portmap = {
enable = mkOption {
default = false;
description = ''
Whether to enable `portmap', an ONC RPC directory service
notably used by NFS and NIS, and which can be queried
using the rpcinfo(1) command.
'';
};
verbose = mkOption {
default = false;
description = ''
Whether to enable verbose output.
'';
};
chroot = mkOption {
default = "/var/empty";
description = ''
If non-empty, a path to change root to.
'';
};
};
};
};
in
###### implementation
mkIf config.services.portmap.enable {
require = [
options
];
users = {
extraUsers = [
{ name = "portmap";
inherit uid;
description = "portmap daemon user";
home = "/var/empty";
}
];
extraGroups = [
{ name = "portmap";
inherit gid;
}
];
};
services = {
extraJobs = [{
name = "portmap";
job =
let portmap = makePortmap { daemonUID = uid; daemonGID = gid; };
in ''
description "ONC RPC portmap"
start on network-interfaces/started
stop on network-interfaces/stop
respawn ${portmap}/sbin/portmap \
${if config.services.portmap.chroot == ""
then ""
else "-t \"${config.services.portmap.chroot}\""} \
${if config.services.portmap.verbose then "-v" else ""}
'';
}];
};
}