104 lines
2.2 KiB
Nix
104 lines
2.2 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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inInitrd = any (fs: fs == "nfs") config.boot.initrd.supportedFilesystems;
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nfsStateDir = "/var/lib/nfs";
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rpcMountpoint = "${nfsStateDir}/rpc_pipefs";
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idmapdConfFile = pkgs.writeText "idmapd.conf" ''
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[General]
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Pipefs-Directory = ${rpcMountpoint}
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${optionalString (config.networking.domain != "")
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"Domain = ${config.networking.domain}"}
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[Mapping]
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Nobody-User = nobody
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Nobody-Group = nogroup
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[Translation]
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Method = nsswitch
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'';
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in
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{
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###### implementation
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config = mkIf (any (fs: fs == "nfs" || fs == "nfs4") config.boot.supportedFilesystems) {
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services.rpcbind.enable = true;
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system.fsPackages = [ pkgs.nfsUtils ];
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boot.kernelModules = [ "sunrpc" ];
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boot.initrd.kernelModules = mkIf inInitrd [ "nfs" ];
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boot.initrd.extraUtilsCommands = mkIf inInitrd
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''
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# !!! Uh, why don't we just install mount.nfs?
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cp -v ${pkgs.klibc}/lib/klibc/bin.static/nfsmount $out/bin
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'';
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environment.etc = singleton idmapdConfFile;
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# Ensure that statd and idmapd are started before mountall.
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jobs.mountall.preStart =
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''
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ensure statd || true
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ensure idmapd || true
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'';
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jobs.statd =
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{ description = "Kernel NFS server - Network Status Monitor";
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path = [ pkgs.nfsUtils pkgs.sysvtools pkgs.utillinux ];
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stopOn = ""; # needed during shutdown
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preStart =
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''
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ensure rpcbind
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mkdir -p ${nfsStateDir}/sm
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mkdir -p ${nfsStateDir}/sm.bak
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sm-notify -d
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'';
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daemonType = "fork";
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exec = "rpc.statd --no-notify";
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};
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jobs.idmapd =
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{ description = "NFS ID mapping daemon";
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path = [ pkgs.nfsUtils pkgs.sysvtools pkgs.utillinux ];
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startOn = "started udev";
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preStart =
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''
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ensure rpcbind
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mkdir -p ${rpcMountpoint}
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mount -t rpc_pipefs rpc_pipefs ${rpcMountpoint}
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'';
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postStop =
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''
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umount ${rpcMountpoint}
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'';
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daemonType = "fork";
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exec = "rpc.idmapd -v -c ${idmapdConfFile}";
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};
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};
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}
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