Bruno BELANYI
2528a46110
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TODO: * Look at for more inspiration https://github.com/nix-community/impermanence/pull/108 * Do home-manager * Common files https://github.com/nix-community/impermanence/issues/10
69 lines
1.5 KiB
Nix
69 lines
1.5 KiB
Nix
# Ephemeral root configuration
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{ config, inputs, lib, ... }:
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let
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cfg = config.my.system.persist;
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in
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{
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imports = [
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inputs.impermanence.nixosModules.impermanence
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];
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options.my.system.persist = with lib; {
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enable = mkEnableOption "stateless system configuration";
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mountPoint = lib.mkOption {
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type = types.str;
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default = "/persistent";
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example = "/etc/nix/persist";
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description = ''
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Which mount point should be used to persist this system's files and
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directories.
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'';
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};
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files = lib.mkOption {
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type = with types; listOf str;
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default = [ ];
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example = [
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"/etc/nix/id_rsa"
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];
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description = ''
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Additional files in the root to link to persistent storage.
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'';
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};
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directories = lib.mkOption {
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type = with types; listOf str;
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default = [ ];
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example = [
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"/var/lib/libvirt"
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];
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description = ''
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Additional directories in the root to link to persistent storage.
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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environment.persistence."${cfg.mountPoint}" = {
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files = [
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"/etc/machine-id"
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]
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++ cfg.files
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;
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directories = [
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"/etc/nixos"
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"/var/log"
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"/var/lib/systemd/coredump"
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]
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++ (lib.optionals config.virtualisation.docker.enable [
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"/var/lib/docker"
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])
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# FIXME: podman
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++ cfg.directories
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;
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};
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};
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}
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