dc0b2518da
* flesh out impermanence * glances * hack * hacking in plex and tautulli * hack * hacking * Auto lint/format --------- Co-authored-by: Truxnell <9149206+truxnell@users.noreply.github.com> Co-authored-by: truxnell <truxnell@users.noreply.github.com>
63 lines
1.7 KiB
Nix
63 lines
1.7 KiB
Nix
{ lib
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, config
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, ...
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}:
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let
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cfg = config.mySystem.system.impermanence;
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in
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with lib;
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{
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options.mySystem.system.impermanence = {
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rootBlankSnapshotName = lib.mkOption {
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type = lib.types.str;
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default = "blank";
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};
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rootPoolName = lib.mkOption {
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type = lib.types.str;
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default = "rpool/local/root";
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};
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persistPath = lib.mkOption {
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type = lib.types.str;
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default = "/persist";
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};
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};
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config = {
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# move ssh keys
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mySystem.system.impermanence.sshPath = "${cfg.persistPath}/nixos/etc/ssh";
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mySystem.system.impermanence.enable = true;
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# bind a initrd command to rollback to blank root after boot
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boot.initrd.postDeviceCommands = lib.mkAfter ''
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zfs rollback -r ${cfg.rootPoolName}@${cfg.rootBlankSnapshotName}
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'';
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# move ssh keys to persist folder
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services.openssh.hostKeys = mkIf config.services.openssh.enable [
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{
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path = "${config.mySystem.system.impermanence.sshPath}/ssh_host_ed25519_key";
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type = "ed25519";
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}
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{
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path = "${config.mySystem.system.impermanence.sshPath}/ssh_host_rsa_key";
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type = "rsa";
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bits = 4096;
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}
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];
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# If impermanent, move key location to safe
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systemd.tmpfiles.rules = mkIf config.services.openssh.enable [
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"d ${config.mySystem.system.impermanence.sshPath}/ 0755 root root -" #The - disables automatic cleanup, so the file wont be removed after a period
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];
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# set machine id for log continuity
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environment.etc.machine-id.source = "${cfg.persistPath}/nixos/etc/machine-id";
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# keep hardware clock adjustment data
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environment.etc.adjtime.source = "${cfg.persistPath}/nixos/etc/adjtime";
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};
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}
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