l: (re)init echelon.r (with ssh tor unlocking)

krebs/3modules/lass/default.nix

@@ -742,6 +742,46 @@ in {
       syncthing.id = "W5BJ4TL-GAQ46WS-ZB72HFS-XOURLBA-RNBVMYC-POFH4UA-CBORQID-BMIHNQZ";
     };
 
+    echelon = {
+      cores = 1;
+      nets = {
+        retiolum = {
+          ip4.addr = "10.243.0.3";
+          ip6.addr = r6 "4";
+          aliases = [
+            "echelon.r"
+          ];
+          tinc.pubkey = ''
+            -----BEGIN PUBLIC KEY-----
+            MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArxTpl0YvJWiF9cAYeAdp
+            1gG18vrSeYDpmVCsZmxi2qyeWNM4JGSVPYoagyKHSDGH60xvktRh/1Zat+1hHR0A
+            MAjDIENn9hAICQ8lafnm2v3+xzLNoTMJTYG3eba2MlJpAH0rYP0E5xBhQj9DCSAe
+            UpEZWAwCKDCOmg/9h0gvs3kh0HopwjOE1IEzApgg05Yuhna96IATVdBAC7uF768V
+            rJZNkQRvhetGxB459C58uMdcRK3degU6HMpZIXjJk6bqkzKBMm7C3lsAfaWulfez
+            gavFSHC15NbHkz+fcVZNZReJhfTHP7k05xo5vYpDhszdUSjc3MtWBmk5v9zdS1pO
+            c+20a1eurr1EPoYBqjQL0tLBwuQc2tN5XqJKVY5LGAnojAI6ktPKPLR6qZHC4Kna
+            dgJ/S1BzHVxniYh3/rEzhXioneZ6oZgO+65WtsS42WAvh/53U/Q3chgI074Jssze
+            ev09+zU8Xj0vX/7KpRKy5Vln6RGkQbKAIt7TZL5cJALswQDzcCO4WTv1X5KoG3+D
+            KfTMfl9HzFsv59uHKlUqUguN5e8CLdmjgU1v2WvHBCw1PArIE8ZC0Tu2bMi5i9Vq
+            GHxVn9O4Et5yPocyQtE4zOfGfqwR/yNa//Zs1b6DxQ73tq7rbBQaAzq7lxW6Ndbr
+            43jjLL40ONdFxX7qW/DhT9MCAwEAAQ==
+            -----END PUBLIC KEY-----
+          '';
+        };
+        wiregrill = {
+          ip6.addr = w6 "3";
+          aliases = [
+            "echelon.w"
+          ];
+          wireguard.pubkey = ''
+            SLdk0lph2rSFU+3dyrWDU1CT/oU+HPcOVYeGVIgDpEc=
+          '';
+        };
+      };
+      ssh.privkey.path = <secrets/ssh.id_ed25519>;
+      ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIn+o0uCBSot254kZKlNepVKFcwDPdr8s6+lQmYGM3Hd ";
+    };
+
   };
   users = rec {
     lass = lass-yubikey;

lass/1systems/echelon/config.nix

@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    <stockholm/lass>
+
+    <stockholm/lass/2configs/retiolum.nix>
+    <stockholm/lass/2configs/tor-initrd.nix>
+  ];
+
+  krebs.build.host = config.krebs.hosts.echelon;
+
+  boot.tmpOnTmpfs = true;
+}
+

lass/1systems/echelon/physical.nix

@@ -0,0 +1,33 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+  imports = [
+    ./config.nix
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.efiSupport = true;
+  boot.loader.grub.efiInstallAsRemovable = true;
+  # Define on which hard drive you want to install Grub.
+  boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.initrd.luks.devices.luksroot.device = "/dev/sda3";
+
+  networking.useDHCP = false;
+  networking.interfaces.ens18.useDHCP = true;
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/5186edb1-9234-48ae-8679-61facb56b818";
+    fsType = "xfs";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/56D1-34A0";
+    fsType = "vfat";
+  };
+
+}

lass/2configs/tor-initrd.nix

@@ -0,0 +1,49 @@
+{config, pkgs, ... }:
+## unlock command:
+# (pass admin/$host/root;echo) | torify ssh root@$(pass hosts/$host/initrd/hostname) 'cat > /crypt-ramfs/passphrase'
+{
+  boot.initrd.network.enable = true;
+  boot.initrd.network.ssh = {
+    enable = true;
+    port = 22;
+    authorizedKeys = [
+      config.krebs.users.lass.pubkey
+      config.krebs.users.lass-mors.pubkey
+      config.krebs.users.lass-green.pubkey
+    ];
+    hostKeys = [ <secrets/initrd/ssh.ed25519_key> ];
+  };
+  boot.initrd.availableKernelModules = [ "e1000e" ];
+
+  boot.initrd.secrets = {
+    "/etc/tor/onion/bootup" = <secrets/initrd>;
+  };
+
+  boot.initrd.extraUtilsCommands = ''
+    copy_bin_and_libs ${pkgs.tor}/bin/tor
+  '';
+
+  # start tor during boot process
+  boot.initrd.network.postCommands = let
+    torRc = (pkgs.writeText "tor.rc" ''
+      DataDirectory /etc/tor
+      SOCKSPort 127.0.0.1:9050 IsolateDestAddr
+      SOCKSPort 127.0.0.1:9063
+      HiddenServiceDir /etc/tor/onion/bootup
+      HiddenServicePort 22 127.0.0.1:22
+    '');
+  in ''
+    echo "tor: preparing onion folder"
+    # have to do this otherwise tor does not want to start
+    chmod -R 700 /etc/tor
+
+    echo "make sure localhost is up"
+    ip a a 127.0.0.1/8 dev lo
+    ip link set lo up
+
+    echo "tor: starting tor"
+    tor -f ${torRc} --verify-config
+    tor -f ${torRc} &
+  '';
+}
+