diff --git a/nixos/modules/virtualisation/containers.nix b/nixos/modules/virtualisation/containers.nix index da39dda8535..512b4ee15ec 100644 --- a/nixos/modules/virtualisation/containers.nix +++ b/nixos/modules/virtualisation/containers.nix @@ -127,6 +127,27 @@ in Wether the container is automatically started at boot-time. ''; }; + + extraBindsRO = mkOption { + type = types.listOf types.str; + default = []; + example = [ "/home/alice" ]; + description = + '' + An extra list of directories that is bound to the container with read-only permission. + ''; + }; + + extraBindsRW = mkOption { + type = types.listOf types.str; + default = []; + example = [ "/home/alice" ]; + description = + '' + An extra list of directories that is bound to the container with read-only permission. + ''; + }; + }; config = mkMerge @@ -230,12 +251,15 @@ in fi ''} + + # Run systemd-nspawn without startup notification (we'll # wait for the container systemd to signal readiness). EXIT_ON_REBOOT=1 NOTIFY_SOCKET= \ exec ${config.systemd.package}/bin/systemd-nspawn \ --keep-unit \ -M "$INSTANCE" -D "$root" $extraFlags \ + $EXTRABINDS \ --bind-ro=/nix/store \ --bind-ro=/nix/var/nix/db \ --bind-ro=/nix/var/nix/daemon-socket \ @@ -334,6 +358,9 @@ in ${optionalString cfg.autoStart '' AUTO_START=1 ''} + + EXTRABINDS="${concatMapStrings (d: " --bind-ro=${d}") cfg.extraBindsRO + concatMapStrings (d: " --bind=${d}") cfg.extraBindsRW}" + ''; }) config.containers;