myned/nixos
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storage: add mounts by label

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Signed-off-by: Myned <dev@bjork.tech>
This commit is contained in:
Myned 2024-12-06 19:53:38 -06:00
parent c3a1eb812c
commit 1346b1ca63
Signed by: myned
GPG key ID: C7224454F7881A34
5 changed files with 86 additions and 98 deletions
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15
machines/myeck/default.nix
View file

@ -5,19 +5,4 @@
];
custom.hostname = "myeck";
fileSystems = {
"/mnt/external" = {
device = "/dev/disk/by-label/external";
options = [
"noatime"
"nofail"
"users"
"exec"
"x-gvfs-show"
];
};
};
systemd.tmpfiles.rules = ["z /mnt/external 0755 myned users"];
}

5
machines/mynix/default.nix
View file

@ -9,6 +9,10 @@
width = 3440;
height = 1440;
refresh = 100;
settings = {
storage.mnt = ["gayme" "myve"];
vm.passthrough = {
enable = true;
driver = "amdgpu";
@ -19,6 +23,7 @@
node = "pci_0000_03_00_0";
};
};
};
boot = {
# Enable hibernation with a swapfile on btrfs

1
options/custom/settings/default.nix
View file

@ -12,6 +12,7 @@ with lib; {
networking.enable = true;
packages.enable = true;
security.enable = true;
storage.enable = true;
users.enable = true;
})

83
options/custom/settings/mounts.nix
View file

@ -1,83 +0,0 @@
{
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"
# ];
# };
};
}

80
options/custom/settings/storage.nix Normal file
View file

@ -0,0 +1,80 @@
{
config,
lib,
...
}:
with lib; let
cfg = config.custom.settings.storage;
in {
options.custom.settings.storage = {
enable = mkOption {default = false;};
mnt = mkOption {default = [];};
remote = mkOption {default = false;};
};
config = mkIf cfg.enable {
# Enforce permissions for mountpoint directory
systemd.tmpfiles.settings."10-storage" = {
"/mnt/remote" = {
d = {
mode = "0755";
user = "root";
group = "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
# Map list of disk labels to /mnt/LABEL with user defaults
mergeAttrsList (forEach cfg.mnt (label: {
"/mnt/${label}" = {
device = "/dev/disk/by-label/${label}";
options = [
"defaults"
"noatime"
"nofail"
"user"
"exec"
"x-gvfs-show"
];
};
}))
// optionalAttrs cfg.remote {
# 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
};
};
}