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satellite/hosts/nixos/common/global/persistence.nix

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1.3 KiB
Nix

# This file defines the "non-hardware dependent" part of opt-in persistence
# It imports impermanence, defines the basic persisted dirs, and ensures each
# users' home persist dir exists and has the right permissions
#
# It works even if / is tmpfs, btrfs snapshot, or even not ephemeral at all.
{
lib,
inputs,
config,
...
}:
{
imports = [ inputs.impermanence.nixosModules.impermanence ];
environment.persistence."/persist/state".directories = [
"/var/lib/systemd"
"/var/lib/nixos"
"/var/log"
];
# Allow non root users to specify the "allowOther" option.
# See [the imperanence readme](https://github.com/nix-community/impermanence#home-manager)
programs.fuse.userAllowOther = true;
# {{{ Disable sudo default lecture
security.sudo.extraConfig = ''
Defaults lecture = never
'';
# }}}
# {{{ Create home directories
systemd.tmpfiles.rules =
let
users = lib.filter (v: v != null && v.isNormalUser) (
lib.mapAttrsToList (_: u: u) config.users.users
);
mkHomePersistFor =
location:
lib.forEach users (user: "d ${location}${user.home} ${user.homeMode} ${user.name} ${user.group} -");
in
lib.flatten [
(mkHomePersistFor "/persist/data")
(mkHomePersistFor "/persist/state")
(mkHomePersistFor "/persist/local/cache")
];
# }}}
}