151 lines
3.8 KiB
Nix
151 lines
3.8 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.nfs.server;
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exports = pkgs.writeText "exports" cfg.exports;
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in
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{
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imports = [
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(lib.mkRenamedOptionModule [ "services" "nfs" "lockdPort" ] [ "services" "nfs" "server" "lockdPort" ])
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(lib.mkRenamedOptionModule [ "services" "nfs" "statdPort" ] [ "services" "nfs" "server" "statdPort" ])
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];
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###### interface
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options = {
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services.nfs = {
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server = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Whether to enable the kernel's NFS server.
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'';
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};
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extraNfsdConfig = lib.mkOption {
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type = lib.types.str;
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default = "";
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description = ''
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Extra configuration options for the [nfsd] section of /etc/nfs.conf.
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'';
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};
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exports = lib.mkOption {
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type = lib.types.lines;
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default = "";
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description = ''
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Contents of the /etc/exports file. See
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{manpage}`exports(5)` for the format.
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'';
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};
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hostName = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = ''
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Hostname or address on which NFS requests will be accepted.
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Default is all. See the {option}`-H` option in
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{manpage}`nfsd(8)`.
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'';
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};
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nproc = lib.mkOption {
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type = lib.types.int;
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default = 8;
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description = ''
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Number of NFS server threads. Defaults to the recommended value of 8.
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'';
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};
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createMountPoints = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Whether to create the mount points in the exports file at startup time.";
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};
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mountdPort = lib.mkOption {
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type = lib.types.nullOr lib.types.int;
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default = null;
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example = 4002;
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description = ''
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Use fixed port for rpc.mountd, useful if server is behind firewall.
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'';
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};
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lockdPort = lib.mkOption {
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type = lib.types.nullOr lib.types.int;
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default = null;
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example = 4001;
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description = ''
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Use a fixed port for the NFS lock manager kernel module
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(`lockd/nlockmgr`). This is useful if the
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NFS server is behind a firewall.
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'';
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};
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statdPort = lib.mkOption {
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type = lib.types.nullOr lib.types.int;
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default = null;
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example = 4000;
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description = ''
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Use a fixed port for {command}`rpc.statd`. This is
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useful if the NFS server is behind a firewall.
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'';
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};
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};
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};
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};
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###### implementation
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config = lib.mkIf cfg.enable {
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services.rpcbind.enable = true;
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boot.supportedFilesystems = [ "nfs" ]; # needed for statd and idmapd
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environment.etc.exports.source = exports;
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systemd.services.nfs-server =
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{ enable = true;
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wantedBy = [ "multi-user.target" ];
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preStart =
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''
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mkdir -p /var/lib/nfs/v4recovery
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'';
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};
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systemd.services.nfs-mountd =
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{ enable = true;
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restartTriggers = [ exports ];
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preStart =
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''
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mkdir -p /var/lib/nfs
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${lib.optionalString cfg.createMountPoints
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''
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# create export directories:
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# skip comments, take first col which may either be a quoted
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# "foo bar" or just foo (-> man export)
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sed '/^#.*/d;s/^"\([^"]*\)".*/\1/;t;s/[ ].*//' ${exports} \
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| xargs -d '\n' mkdir -p
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''
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}
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'';
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};
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};
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}
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