feat: add zerotier

Architecture.md

@@ -0,0 +1,40 @@
+premhome-gc1, 11GB Ram, 6 Cores, Public IP
+
+falcon-server-1, with X GB Ram, X Cores, No public IP, only private IP. 
+eagle-server-1, with X GB Ram, X Cores, No public IP, only private IP. 
+
+1. Why not use the flannel's wg interface?
+
+This requires the ndoes to have public IPs. But this wouldn't be the case for my system as the nodes at home only have private IPs. 
+
+Steps: 
+1. Install k3s on gc1
+2. Install flux on gc1
+3. Deploy zerotier controller on gc1
+4. Setup a zerotier interface on gc1
+5. Migrate flannel iface to zerotier interface
+6. Setup zerotier on the 
+
+# Steps taken
+1. Setup a zerotier controller: https://docs.zerotier.com/controller
+
+On premhome-gc1, 
+```sh
+TOKEN=$(sudo cat /var/lib/zerotier-one/authtoken.secret)
+NODEID=$(sudo zerotier-cli info | cut -d " " -f 3)
+
+# Create a network
+NWID=$(curl -X POST "http://localhost:9993/controller/network/${NODEID}______" -H "X-ZT1-AUTH: ${TOKEN}" -d {} | jq -r ".nwid")
+
+# Setup the IP address range and routes for this network
+curl -X POST "http://localhost:9993/controller/network/${NWID}" -H "X-ZT1-AUTH: ${TOKEN}" \
+    -d '{"ipAssignmentPools": [{"ipRangeStart": "10.222.0.0", "ipRangeEnd": "10.222.0.254"}], "routes": [{"target": "10.222.0.0/23", "via": null}], "rules": [ { "etherType": 2048, "not": true, "or": false, "type": "MATCH_ETHERTYPE" }, { "etherType": 2054, "not": true, "or": false, "type": "MATCH_ETHERTYPE" }, { "etherType": 34525, "not": true, "or": false, "type": "MATCH_ETHERTYPE" }, { "type": "ACTION_DROP" }, { "type": "ACTION_ACCEPT" } ], "v4AssignMode": "zt", "private": true }'
+
+# Authorize the current server
+curl -X POST "http://localhost:9993/controller/network/${NWID}/member/${NODEID}" -H "X-ZT1-AUTH: ${TOKEN}" -d '{"authorized": true}'
+
+```
+
+Yay! you now have an interface, and an IP address to broadcast on :D
+
+

nixos/common/zerotier.nix

@@ -0,0 +1,25 @@
+{config}: {
+  age.secrets.zerotier.file = ../../secrets/zerotier.age;
+
+  services.zerotierone = {
+    enable = true;
+    joinNetworks = [builtins.readFile config.age.secrets.zerotier.path]; # Is an antipattern, but idc if this is readable on the servers
+  };
+
+  networking = {
+    firewall = {
+      interfaces."zts23oi5io".allowedTCPPortRanges = [
+        {
+          from = 0;
+          to = 65535;
+        }
+      ];
+      interfaces."zts23oi5io".allowedUDPPortRanges = [
+        {
+          from = 0;
+          to = 65535;
+        }
+      ];
+    };
+  };
+}

nixos/flake.nix

@@ -35,8 +35,8 @@
           specialArgs = {
             meta = {
               hostname = name;
-              ip = data.ip;
               private-ip = data.private-ip;
+              server-addr = (import ./server/nodes.nix).premhome-gc1.zt-ip;
             };
           };
           modules = [
@@ -50,6 +50,7 @@
       nodes
       // {
         premhome-gc1 = nixpkgs.lib.nixosSystem {
+          specialArgs.meta = (import ./server/nodes.nix).premhome-gc1;
           modules = [
             disko.nixosModules.disko
             agenix.nixosModules.default

nixos/secrets/keys.nix

@@ -1,8 +1,5 @@
 {
   yadunut = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJXOpmWsAnl2RtOuJJMRUx+iJTwf2RWJ1iS3FqXJFzFG";
   yadunut-mbp = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOlXV+TevruoYChk2XbqG5+yqEklRJvOx7YdTGFfXY/f yadunut@yadunut-mbp";
-  premhome-falcon-1 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHim2wAW8m6rbFqo6oLBOeprbljAQqghYkFahtFFMNqV yadunut@premhome-falcon-1";
-  premhome-falcon-2 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILOjiTk60H5LMHkEG7MOaysa0BRlul7qvhuWYpnMtme6 yadunut@premhome-falcon-2";
-  premhome-falcon-3 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH4vBKSQyWYRmwuaYfIodOVc10veeH7V+EgobBI/5QHL yadunut@premhome-falcon-3";
-premhome-gc1 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA3I/bCyi6rBzgJkfCFa8T9F+y1eOuZDB7l2Ly67slX3 yadunut@premhome-gc1";
+  premhome-gc1 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA3I/bCyi6rBzgJkfCFa8T9F+y1eOuZDB7l2Ly67slX3 yadunut@premhome-gc1";
 }

nixos/secrets/secrets.nix

@@ -4,4 +4,5 @@ in {
   "tailscale.age".publicKeys = builtins.attrValues keys;
   "k3s.age".publicKeys = builtins.attrValues keys;
   "flux.age".publicKeys = [keys.yadunut keys.yadunut-mbp];
+  "zerotier-network.age".publicKeys = builtins.attrValues keys;
 }

nixos/secrets/zerotier-network.age

@@ -0,0 +1,16 @@
+age-encryption.org/v1
+-> ssh-ed25519 OOT7iQ jUogNJ9uREDJZEl4G5pb/2bNjiBHIB9IABgXQfo0g1M
+InYXkJls2Sdd+jnQ9Z8ifoUGznwktmstsM8avHFfTuU
+-> ssh-ed25519 7Lat4Q O6JMNKXRwRWjFZxJM/agtJ922KR+74u8a0WmWJdSaQM
+5tPV0awfn5djn2c50xloyDRkeu2Aon3/z+6kfoA/eHk
+-> ssh-ed25519 dPFwiQ HeOAeTzItJMkTPW2ODs/Z/E9nZycqtJnjGaKPigZ/CM
+MLTkDKg0hLOfDplWb33hvGQahvEgjqy+S9w+UCKZNXU
+-> ssh-ed25519 OV7A4A 4mxMknf9sJCZ8NiENMJqGd2lEBB7dmvzGqVLirHvWGo
+fJ+4MY9oSFEdvjGYm2NoWviC9J4ocSUhUWuGEa71pFc
+-> ssh-ed25519 Gc/MTQ pjuOkv7iMuSkrFccMGd5Usz/a0bcOJYikvHeuYg5ATA
+ydWemX28ZNygAYR/MsOezz81haHj2XhvHlFcZMwsgjo
+-> ssh-ed25519 0ckKSg hV+hpxVdfr2xOfNYZkbrGNMu5GOASlHDch4AYhqlWnQ
+MeZdLC12XrF9sSy1q28dpdqjYtIEKcTzJq7/vfhILf0
+--- 0rgW5rFnvhi1LMOcC3vl70s9Vq9S+PQ5Pu8Apgxu0v4
+Îß¡ÓÚPÜ7‚-9dqцíb>?2ôÝà}ÈN’Û}Þ5ñÌuu\çw”ƒ•
+O

nixos/server/premhome-gc1/configuration.nix

@@ -1,13 +1,16 @@
 {
   config,
+  meta,
   pkgs,
   ...
 }: {
-  imports = [../../common/users.nix];
+  imports = [../../common/users.nix ../../common/zerotier.nix];
   nix = {
     settings.experimental-features = ["nix-command" "flakes"];
   };
 
+  nixpkgs.config.allowUnfree = true;
+
   networking.hostName = "premhome-gc1";
 
   age.secrets.k3s.file = ../../secrets/k3s.age;
@@ -16,6 +19,10 @@
   # grub.device is set by disko
   boot.tmp.cleanOnBoot = true;
 
+  boot.kernel.sysctl = {
+    "net.ipv4.ip_forward" = 1;
+  };
+
   services.openssh.enable = true;
   services.qemuGuest.enable = true;
 
@@ -23,7 +30,27 @@
     git
     neovim
     wget
+    jq
+    ripgrep
+    fd
   ];
 
+  networking = {
+    nftables.enable = true;
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [22 80 443];
+      trustedInterfaces = ["zts23oi5io"];
+    };
+  };
+
+  services.k3s = {
+    enable = true;
+    role = "server";
+    tokenFile = config.age.secrets.k3s.path;
+    clusterInit = true;
+    extraFlags = ["--disable=servicelb" "--disable=traefik" "--node-ip ${meta.zt-ip}" "--flannel-iface zts23oi5io"];
+  };
+
   system.stateVersion = "24.11";
 }

nixos/server/proxmox/configuration.nix

@@ -1,27 +1,17 @@
 {
-  config,
   meta,
   pkgs,
   ...
 }: {
-  imports = [../../common/users.nix];
+  imports = [../../common/users.nix ../../common/zerotier.nix];
   nix = {
     settings.experimental-features = ["nix-command" "flakes"];
   };
 
   networking.hostName = meta.hostname;
 
-  age.secrets.tailscale.file = ../../secrets/tailscale.age;
   age.secrets.k3s.file = ../../secrets/k3s.age;
 
-  services.tailscale = {
-    enable = true;
-    authKeyFile = config.age.secrets.tailscale.path;
-    useRoutingFeatures = "both";
-    extraUpFlags = ["--advertise-routes=10.0.1.0/24" "--login-server=http://ts.yadunut.com:444" "--accept-routes"];
-    interfaceName = "tailscale0";
-  };
-
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.tmp.cleanOnBoot = true;
@@ -44,20 +34,23 @@
     wget
   ];
 
-  services.k3s = {
-    enable = true;
-    role = "server";
-    tokenFile = config.age.secrets.k3s.path;
-    clusterInit = meta.hostname == "premhome-falcon-1";
-    serverAddr =
-      if meta.hostname == "premhome-falcon-1"
-      then ""
-      else "https://premhome-falcon-1:6443";
-    extraFlags = ["--disable=servicelb" "--disable=traefik"];
+  networking = {
+    nftables.enable = true;
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [22];
+      trustedInterfaces = ["zts23oi5io"];
+    };
   };
 
-  networking.firewall.trustedInterfaces = ["tailscale0"];
-  networking.firewall.enable = false;
+  # services.k3s = {
+  #   enable = true;
+  #   role = "server";
+  #   tokenFile = config.age.secrets.k3s.path;
+  #   clusterInit = false;
+  #   serverAddr = "https://${meta.server-addr}:6443";
+  #   extraFlags = ["--disable=servicelb" "--disable=traefik" "--node-ip ${meta.zt-ip}" "--flannel-iface zts23oi5io"];
+  # };
 
   system.stateVersion = "24.11";
 }

todos.txt

@@ -0,0 +1,5 @@
+X Delete ingress digitalocean container
+X Install nixos on greencloud server
+Setup ztnet on greencloud server
+setup zerotier on greencloud server
+Delete nodes from