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nixos/options/custom/settings/mounts.nix
Myned ab485dec35
nix: format with alejandra
Signed-off-by: Myned <dev@bjork.tech>
2024-09-12 20:50:53 -05:00

83 lines
3 KiB
Nix

{
config,
lib,
...
}:
with lib; let
cfg = config.custom.settings.mounts;
in {
options.custom.settings.mounts.enable = mkOption {default = false;};
config = mkIf cfg.enable {
# Enforce permissions for mountpoint directory
systemd.tmpfiles.rules = ["d /mnt/remote 0755 root root"];
#!! FUSE does not support remount, sometimes causing activation errors on switch
# https://github.com/libfuse/libfuse/issues/717
#?? sudo umount /mnt/remote && sudo mount /mnt/remote
# https://wiki.nixos.org/wiki/SSHFS
# https://man.archlinux.org/man/sshfs.1
fileSystems = let
#?? "/mnt/PATH" = remote "PATH" UID GID "UMASK"
remote = path: uid: gid: umask: {
# https://robot.hetzner.com/storage
device = "u415778@u415778.your-storagebox.de:/home/${path}";
fsType = "sshfs";
options = [
"noatime" # Do not modify access time
"reconnect" # Gracefully handle network issues
"default_permissions" # Check local permissions
"allow_other" # Grant other users access
"umask=${umask}" # Set permissions mask
"uid=${toString uid}" # Set user id
"gid=${toString gid}" # Set group id
"idmap=user" # Map local users to remote
"transform_symlinks" # Convert absolute symlinks to relative
"compression=no" # Save CPU cycles at the cost of transfer speed
"port=23"
"IdentityFile=/etc/ssh/id_ed25519" # !! SSH key configured imperatively
"ServerAliveInterval=15" # Prevent application hangs on reconnect
];
};
in {
# Use umask to set sshfs permissions
#!! Up to 10 simultaneous connections with Hetzner
#?? docker compose exec CONTAINER cat /etc/passwd
"/mnt/remote/conduwuit" = remote "conduwuit" 300 300 "0077"; # conduit:conduit @ 0700
#// "/mnt/remote/nextcloud" = remote "nextcloud" 33 33 "0007"; # www-data:www-data @ 0700
"/mnt/remote/syncthing" = remote "syncthing" 237 237 "0077"; # syncthing:syncthing @ 0700
};
# https://wiki.nixos.org/wiki/Rclone
# https://docs.hetzner.com/robot/storage-box/access/access-ssh-rsync-borg/#rclone
#!! SSH keys configured imperatively
#!! rclone attempts to write to immutable config; need to manually merge changes
# https://github.com/rclone/rclone/issues/3655
# TODO: Attempt to use rclone after daemon is fixed
# https://github.com/rclone/rclone/issues/5664
# environment.etc."rclone.conf".text = ''
# [remote]
# type = sftp
# host = u415778.your-storagebox.de
# user = u415778
# port = 23
# key_file = /etc/ssh/id_ed25519
# shell_type = unix
# '';
# fileSystems."/mnt/remote" = {
# device = "remote:/home";
# fsType = "rclone";
# options = [
# "nodev"
# "nofail"
# "reconnect"
# "args2env" # Pass secrets as environment variables
# "default_permissions"
# "config=/etc/rclone.conf"
# ];
# };
};
}