80 lines
2.7 KiB
Nix
80 lines
2.7 KiB
Nix
{
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config,
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lib,
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...
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}:
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with lib; let
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cfg = config.custom.settings.storage;
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in {
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options.custom.settings.storage = {
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enable = mkOption {default = false;};
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mnt = mkOption {default = [];};
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remote = mkOption {default = false;};
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};
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config = mkIf cfg.enable {
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# Enforce permissions for mountpoint directory
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systemd.tmpfiles.settings."10-storage" = {
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"/mnt/remote" = {
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d = {
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mode = "0755";
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user = "root";
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group = "root";
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};
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};
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};
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#!! FUSE does not support remount, sometimes causing activation errors on switch
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# https://github.com/libfuse/libfuse/issues/717
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#?? sudo umount /mnt/remote && sudo mount /mnt/remote
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# https://wiki.nixos.org/wiki/SSHFS
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# https://man.archlinux.org/man/sshfs.1
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fileSystems = let
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#?? "/mnt/PATH" = remote "PATH" UID GID "UMASK"
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remote = path: uid: gid: umask: {
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# https://robot.hetzner.com/storage
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device = "u415778@u415778.your-storagebox.de:/home/${path}";
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fsType = "sshfs";
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options = [
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"noatime" # Do not modify access time
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"reconnect" # Gracefully handle network issues
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"default_permissions" # Check local permissions
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"allow_other" # Grant other users access
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"umask=${umask}" # Set permissions mask
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"uid=${toString uid}" # Set user id
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"gid=${toString gid}" # Set group id
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"idmap=user" # Map local users to remote
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"transform_symlinks" # Convert absolute symlinks to relative
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"compression=no" # Save CPU cycles at the cost of transfer speed
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"port=23"
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"IdentityFile=/etc/ssh/id_ed25519" # !! SSH key configured imperatively
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"ServerAliveInterval=15" # Prevent application hangs on reconnect
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];
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};
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in
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# Map list of disk labels to /mnt/LABEL with user defaults
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mergeAttrsList (forEach cfg.mnt (label: {
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"/mnt/${label}" = {
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device = "/dev/disk/by-label/${label}";
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options = [
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"defaults"
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"noatime"
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"nofail"
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"user"
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"exec"
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"x-gvfs-show"
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];
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};
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}))
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// optionalAttrs cfg.remote {
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# Use umask to set sshfs permissions
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#!! Up to 10 simultaneous connections with Hetzner
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#?? docker compose exec CONTAINER cat /etc/passwd
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#// "/mnt/remote/conduwuit" = remote "conduwuit" 300 300 "0077"; # conduit:conduit @ 0700
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#// "/mnt/remote/nextcloud" = remote "nextcloud" 33 33 "0007"; # www-data:www-data @ 0700
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#// "/mnt/remote/syncthing" = remote "syncthing" 237 237 "0077"; # syncthing:syncthing @ 0700
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};
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};
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}
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