configuration.nix

{ ... }:

{
  imports = [ 
    ../filenodes.nix
    ./hardware-configuration.nix
    ./networking.nix
  ];

  boot.loader.efi.canTouchEfiVariables = true;

  services.ceph.mon = {
    enable = true;
    daemons = [ "filenode0" ];
    extraConfig = {
      #"mon allow pool delete" = "true";
    };
  };

  services.ceph.osd = {
    enable = true;
    daemons = [ "0" "1" "2" "3" ];
  };

  services.ceph.mgr = {
    enable = true;
    daemons = [ "filenode0" ];
  };

  networking.hostName = "filenode0";
}

derp

[nixops@nixops:~/sources/builddir/nixops/deployments]$ nixops deploy --build-only --show-trace -d filenode0 | gist -u https://gist.github.com/lejonet/288ad273a9babb0e711b44bfeb0ce2ae -
error: while evaluating the attribute ‘config.system.nixosRelease’ at /etc/nixos/nixpkgs/lib/attrsets.nix:199:44:
while evaluating ‘removeSuffix’ at /etc/nixos/nixpkgs/lib/strings.nix:341:23, called from /nix/store/82gjbw920v9an39ik2jp1kjqb77l4adk-nixops-1.5.2/share/nix/nixops/eval-machine-info.nix:284:59:
while evaluating the attribute ‘config.system.nixosVersion’ at /etc/nixos/nixpkgs/lib/attrsets.nix:199:44:
attribute ‘nixosVersion’ missing, at /nix/store/82gjbw920v9an39ik2jp1kjqb77l4adk-nixops-1.5.2/share/nix/nixops/eval-machine-info.nix:284:107
error: evaluation of the deployment specification failed

filenodes-nixos.nix

let
  filenodes =
  { config, pkgs, ... }:
  {
    deployment.targetHost = "filenode0.stor.int.dataaturservice.se";
  };
 in {
  filenode0 = filenodes;
 }

filenodes.nix

let
  filenode = ../servers/storage/filenodes/filenode0/configuration.nix # This was ../servers/backend/filenodes/filenode0/configuration.nix before
in {
  filenode0 = filenode;
}

gistfile1.txt

[nixops@nixops:~/sources/builddir/nixops/deployments]$ nixops info
error: attribute ‘nixosVersion’ missing, at /nix/store/82gjbw920v9an39ik2jp1kjqb77l4adk-nixops-1.5.2/share/nix/nixops/eval-machine-info.nix:284:107
(use ‘--show-trace’ to show detailed location information)
warning: evaluation of the deployment specification failed; status info may be incorrect

Network name: filenode0
Network UUID: 286fb6f0-a776-11e7-a182-deadbeef1338
Network description: Unnamed NixOps network
Nix expressions: /home/nixops/sources/builddir/nixops/deployments/filenodes.nix /home/nixops/sources/builddir/nixops/deployments/filenodes-nixos.nix

+-----------+-----------------+------+-------------------------------------------------------+------------+
| Name      |      Status     | Type | Resource Id                                           | IP address |
+-----------+-----------------+------+-------------------------------------------------------+------------+
| filenode0 | Up / Up-to-date | none | nixops-286fb6f0-a776-11e7-a182-deadbeef1338-filenode0 |            |
+-----------+-----------------+------+-------------------------------------------------------+------------+