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path: root/krebs/1systems/wolf/config.nix
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{ config, pkgs, ... }:
let
  shack-ip = config.krebs.build.host.nets.shack.ip4.addr;
  influx-host = "127.0.0.1";
in
{
  imports = [
    <stockholm/krebs>
    <stockholm/krebs/2configs>
    <nixpkgs/nixos/modules/profiles/qemu-guest.nix>
    <stockholm/krebs/2configs/collectd-base.nix>
    <stockholm/krebs/2configs/stats/wolf-client.nix>

    <stockholm/krebs/2configs/graphite.nix>
    <stockholm/krebs/2configs/buildbot-krebs.nix>
    <stockholm/krebs/2configs/binary-cache/nixos.nix>
    <stockholm/krebs/2configs/binary-cache/prism.nix>

    <stockholm/krebs/2configs/shack/worlddomination.nix>
    <stockholm/krebs/2configs/shack/drivedroid.nix>
    # <stockholm/krebs/2configs/shack/nix-cacher.nix>
    <stockholm/krebs/2configs/shack/mqtt_sub.nix>
    <stockholm/krebs/2configs/shack/muell_caller.nix>
    <stockholm/krebs/2configs/shack/radioactive.nix>
    <stockholm/krebs/2configs/shack/share.nix>
    {
      systemd.services.telegraf.path = [ pkgs.net_snmp ]; # for snmptranslate
      systemd.services.telegraf.environment = {
        MIBDIRS = pkgs.fetchgit {
          url = "http://git.shackspace.de/makefu/modem-mibs.git";
          sha256 =
          "1rhrpaascvj5p3dj29hrw79gm39rp0aa787x95m3r2jrcq83ln1k";
        }; # extra mibs like ADSL
      };
      services.telegraf = {
        enable = true;
        extraConfig = {
          inputs = {
            snmp = {
              agents = [ "10.0.1.3:161" ];
              version = 2;
              community = "shack";
              name = "snmp";
              field = [
                {
                  name = "hostname";
                  oid = "RFC1213-MIB::sysName.0";
                  is_tag = true;
                }
                {
                  name = "load-percent"; #cisco
                  oid = ".1.3.6.1.4.1.9.9.109.1.1.1.1.4.9";
                }
                {
                  name = "uptime";
                  oid = "DISMAN-EVENT-MIB::sysUpTimeInstance";
                }
              ];
              table = [{
                name = "snmp";
                inherit_tags = [ "hostname" ];
                oid = "IF-MIB::ifXTable";
                field = [{
                  name = "ifName";
                  oid = "IF-MIB::ifName";
                  is_tag = true;
                }];
              }];
            };
          };
          outputs = {
            influxdb = {
              urls = [ "http://${influx-host}:8086" ];
              database = "telegraf";
              write_consistency = "any";
              timeout = "5s";
            };
          };
        };
      };
    }

  ];
  # use your own binary cache, fallback use cache.nixos.org (which is used by
  # apt-cacher-ng in first place)

  services.influxdb.enable = true;

  # local discovery in shackspace
  nixpkgs.config.packageOverrides = pkgs: { tinc = pkgs.tinc_pre; };
  krebs.tinc.retiolum.extraConfig = "TCPOnly = yes";
  services.grafana = {
    enable = true;
    addr = "0.0.0.0";
    users.allowSignUp = true;
    users.allowOrgCreate = true;
    users.autoAssignOrg = true;
    auth.anonymous.enable = true;
    security = import <secrets/grafana_security.nix>;
  };

  nix = {
    # use the up to date prism cache
    binaryCaches = [
      "https://cache.nixos.org/"
    ];
    binaryCachePublicKeys = [
      "hydra.nixos.org-1:CNHJZBh9K4tP3EKF6FkkgeVYsS3ohTl+oS0Qa8bezVs="
    ];
  };

  networking = {
    firewall.enable = false;
    firewall.allowedTCPPorts = [ 8088 8086 8083 ];
    interfaces.enp0s3.ip4 = [{
      address = shack-ip;
      prefixLength = 20;
    }];

    defaultGateway = "10.42.0.1";
    nameservers = [ "10.42.0.100" "10.42.0.200" ];
  };

  #####################
  # uninteresting stuff
  #####################
  krebs.build.host = config.krebs.hosts.wolf;

  boot.kernel.sysctl = {
    # Enable IPv6 Privacy Extensions
    "net.ipv6.conf.all.use_tempaddr" = 2;
    "net.ipv6.conf.default.use_tempaddr" = 2;
  };

  boot.initrd.availableKernelModules = [
    "ata_piix" "uhci_hcd" "ehci_pci" "virtio_pci" "virtio_blk"
  ];
  boot.kernelModules = [ ];
  boot.extraModulePackages = [ ];

  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  boot.loader.grub.device = "/dev/vda";

  # without it `/nix/store` is not added grub paths
  boot.loader.grub.copyKernels = true;

  fileSystems."/" = { device = "/dev/disk/by-label/nixos"; fsType = "ext4"; };

  swapDevices = [
    { device = "/dev/disk/by-label/swap";  }
  ];
  # fallout of ipv6calypse
  networking.extraHosts = ''
    hass.shack    10.42.2.191
    heidi.shack   10.42.2.135
  '';

  users.extraUsers.root.openssh.authorizedKeys.keys = [
    config.krebs.users.ulrich.pubkey
    config.krebs.users.makefu-omo.pubkey
    "ssh-rsa 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 root@plattenschwein" # for backup
  ];

  time.timeZone = "Europe/Berlin";
  sound.enable = false;
}