81 lines
3.3 KiB
Nix
81 lines
3.3 KiB
Nix
# NFS exports from nixdesk (14900k) to nix-server (192.168.2.238):
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# - /mnt/test/jellyfin → nix-server /mnt/nixdesk-jellyfin (Jellyfin bulk libraries)
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# - /mnt/media → nix-server /mnt/media (Btrfs MediaLibrary disk; see media-disk.nix)
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#
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# NTFS on nixdesk uses uid=olivier + gid=nfsmedia (990); dirs here are olivier:nfsmedia 2775 so
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# local writes and NFS all_squash (anonuid=olivier, anongid=990) get rwx via owner or group.
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#
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# Legacy trees may still need a one-time `chgrp -R nfsmedia` / `chmod -R g+rwX` on deep folders.
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{ config, pkgs, ... }:
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let
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olivierUid = config.users.users.olivier.uid or 1000;
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in
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{
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# Avoid UID/GID mismatches across machines: map all NFS writes from nix-server to a single
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# local system user/group on this server.
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users.groups.nfsmedia = { gid = 990; };
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users.users.nfsmedia = {
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isSystemUser = true;
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uid = 990;
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group = "nfsmedia";
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};
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# olivier: owner for local use; nfsmedia: group matches NTFS gid=990 and NFS all_squash (990).
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systemd.tmpfiles.settings."14900k-nfs-export-paths" = {
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"/mnt/test"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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"/mnt/test/jellyfin"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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"/mnt/test/jellyfin/movies"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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"/mnt/test/jellyfin/tv"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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"/mnt/media"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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"/mnt/media/Movies"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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"/mnt/media/TV"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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"/mnt/media/Videos"."d" = { mode = "2775"; user = "olivier"; group = "nfsmedia"; };
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};
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# After exports are up, ensure group nfsmedia can write throughout library roots (idempotent;
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# scoped to library folders only — not whole disks). Runs on each `nixos-rebuild switch`.
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system.activationScripts.nfs-export-group-write = {
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deps = [ "specialfs" ];
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text = ''
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for d in \
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/mnt/media/TV /mnt/media/Movies /mnt/media/Videos \
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/mnt/test/jellyfin/tv /mnt/test/jellyfin/movies
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do
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[ -d "$d" ] || continue
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${pkgs.acl}/bin/setfacl -R -m g:nfsmedia:rwx "$d" 2>/dev/null || true
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${pkgs.acl}/bin/setfacl -R -d -m g:nfsmedia:rwx "$d" 2>/dev/null || true
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done
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'';
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};
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# Fixed ports so the firewall can allow NFS v3 helpers (see networking.firewall below).
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services.nfs.server = {
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enable = true;
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mountdPort = 4000;
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lockdPort = 4001;
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statdPort = 4002;
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# fsid= unique per export tree (avoids client ESTALE when multiple paths are exported).
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# Squash nix-server clients to olivier:nfsmedia so Jellyfin can write .nfo/posters into
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# existing olivier-owned library folders (990-only squash was "other" r-x on typical 755 trees).
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exports = ''
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/mnt/test/jellyfin 192.168.2.238(rw,sync,no_subtree_check,crossmnt,root_squash,all_squash,anonuid=${toString olivierUid},anongid=990,fsid=1)
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/mnt/media 192.168.2.238(rw,sync,no_subtree_check,crossmnt,root_squash,all_squash,anonuid=${toString olivierUid},anongid=990,fsid=2)
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'';
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};
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networking.firewall.allowedTCPPorts = [
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111 # portmapper
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2049
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4000
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4001
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4002
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];
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networking.firewall.allowedUDPPorts = [
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111
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2049
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4000
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4001
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4002
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];
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}
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