Router alive, but not routing
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parent
e6e1225858
commit
a2c6a0fe93
4 changed files with 217 additions and 27 deletions
60
flake.lock
60
flake.lock
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@ -21,6 +21,27 @@
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"type": "github"
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}
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},
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"dependencyDagOfSubmodule": {
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"inputs": {
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"nixpkgs": [
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"nnf",
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"nixpkgs"
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]
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},
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"locked": {
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"lastModified": 1656615370,
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"narHash": "sha256-IZDqz1aSySoqf1qtVQg+oJMHfC4IlT55Zoa7EkjvPug=",
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"owner": "thelegy",
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"repo": "nix-dependencyDagOfSubmodule",
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"rev": "98eb563d80b35acafbfc1abb9ccee569c1efb19c",
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"type": "github"
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},
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"original": {
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"owner": "thelegy",
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"repo": "nix-dependencyDagOfSubmodule",
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"type": "github"
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}
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},
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"disko": {
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"inputs": {
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"nixpkgs": [
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@ -395,6 +416,22 @@
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}
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},
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"nixpkgs_4": {
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"locked": {
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"lastModified": 1692638711,
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"narHash": "sha256-J0LgSFgJVGCC1+j5R2QndadWI1oumusg6hCtYAzLID4=",
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"owner": "nixos",
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"repo": "nixpkgs",
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"rev": "91a22f76cd1716f9d0149e8a5c68424bb691de15",
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"type": "github"
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},
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"original": {
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"owner": "NixOS",
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"ref": "nixos-unstable",
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"repo": "nixpkgs",
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"type": "github"
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}
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},
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"nixpkgs_5": {
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"locked": {
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"lastModified": 1716769173,
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"narHash": "sha256-7EXDb5WBw+d004Agt+JHC/Oyh/KTUglOaQ4MNjBbo5w=",
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@ -410,6 +447,26 @@
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"type": "github"
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}
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},
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"nnf": {
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"inputs": {
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"dependencyDagOfSubmodule": "dependencyDagOfSubmodule",
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"nixpkgs": "nixpkgs_4"
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},
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"locked": {
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"lastModified": 1720615408,
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"narHash": "sha256-Q1G6GVUWXra9rdWTbSq21WaeRyWwINE7a5SRJekn6h4=",
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"owner": "thelegy",
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"repo": "nixos-nftables-firewall",
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"rev": "71fc2b79358d0dbacde83c806a0f008ece567b7b",
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"type": "github"
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},
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"original": {
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"owner": "thelegy",
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"repo": "nixos-nftables-firewall",
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"rev": "71fc2b79358d0dbacde83c806a0f008ece567b7b",
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"type": "github"
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}
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},
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"pre-commit": {
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"inputs": {
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"flake-compat": "flake-compat",
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@ -442,6 +499,7 @@
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"hyprland": "hyprland",
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"nixpkgs": "nixpkgs_3",
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"nixpkgs-unstable": "nixpkgs-unstable",
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"nnf": "nnf",
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"pre-commit": "pre-commit",
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"slippi": "slippi",
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"sops-nix": "sops-nix"
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@ -474,7 +532,7 @@
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},
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"slippi": {
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"inputs": {
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"nixpkgs": "nixpkgs_4"
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"nixpkgs": "nixpkgs_5"
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},
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"locked": {
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"lastModified": 1720625270,
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@ -20,6 +20,8 @@
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hardware.url = "github:nixos/nixos-hardware";
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hyprland.url = "github:hyprwm/Hyprland";
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slippi.url = "github:lytedev/slippi-nix";
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nnf.url = "github:thelegy/nixos-nftables-firewall?rev=71fc2b79358d0dbacde83c806a0f008ece567b7b";
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};
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nixConfig = {
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@ -52,6 +54,7 @@
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home-manager,
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helix,
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hardware,
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nnf,
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# hyprland,
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slippi,
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...
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@ -344,6 +347,7 @@
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modules = with nixosModules; [
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outputs.diskoConfigurations.unencrypted
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common
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nnf.nixosModules.default
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./nixos/router.nix
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];
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};
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167
nixos/router.nix
167
nixos/router.nix
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@ -12,9 +12,9 @@
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domain = "h.lyte.dev";
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ip = "192.168.0.1";
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cidr = "${ip}/16";
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netmask = "255.255.0.0"; # see cidr
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netmask = "255.255.255.0"; # see cidr
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dhcp_lease_space = {
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min = "192.168.0.5";
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min = "192.168.0.30";
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max = "192.168.0.250";
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};
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interfaces = {
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@ -29,13 +29,9 @@
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};
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hosts = {
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dragon = {
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identifier = "dragon";
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host = "dragon";
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ip = "192.168.0.10";
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};
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beefcake = {
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identifier = "beefcake";
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host = "beefcake";
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ip = "192.168.0.9";
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};
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};
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@ -92,38 +88,116 @@ in {
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networking = {
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hostName = hostname;
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domain = domain;
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useDHCP = false;
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nat.enable = false;
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firewall.enable = false;
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useNetworkd = true;
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extraHosts = ''
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127.0.0.1 localhost
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127.0.0.2 ${hostname}.${domain} ${hostname}
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${ip} ${hostname}.${domain} ${hostname}
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127.0.0.1 localhost
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127.0.0.2 ${hostname}.${domain} ${hostname}
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${ip} ${hostname}.${domain} ${hostname}
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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kkkkk ff02::2 ip6-allrouters
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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'';
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firewall.enable = true;
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firewall.allowedTCPPorts = [
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2201
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22
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];
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nftables.firewall = let
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me = config.networking.nftables.firewall.localZoneName;
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in {
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enable = true;
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snippets.nnf-common.enable = true;
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zones = {
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${interfaces.wan.name} = {
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interfaces = [interfaces.wan.name];
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};
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${interfaces.lan.name} = {
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parent = interfaces.wan.name;
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ipv4Addresses = [cidr];
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};
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# banned = {
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# ingressExpression = [
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# "ip saddr @banlist"
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# "ip6 saddr @banlist6"
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# ];
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# egressExpression = [
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# "ip daddr @banlist"
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# "ip6 daddr @banlist6"
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# ];
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# };
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};
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rules = {
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dhcp = {
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from = "all";
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to = [hosts.beefcake.ip];
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allowedTCPPorts = [67];
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allowedUDPPorts = [67];
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};
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http = {
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from = "all";
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to = [hosts.beefcake.ip];
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allowedTCPPorts = [80 443];
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};
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router-ssh = {
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from = "all";
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to = [me];
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allowedTCPPorts = [2201];
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};
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server-ssh = {
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from = "all";
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to = [hosts.beefcake.ip];
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allowedTCPPorts = [22];
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};
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};
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};
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};
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systemd.network = {
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enable = true;
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wait-online.anyInterface = true;
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links = {
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"10-${interfaces.wan.name}" = {
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enable = true;
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matchConfig = {
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MACAddress = interfaces.wan.mac;
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};
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linkConfig = {
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Name = interfaces.wan.name;
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};
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};
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"10-${interfaces.lan.name}" = {
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enable = true;
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matchConfig = {
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MACAddress = interfaces.lan.mac;
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};
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linkConfig = {
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Name = interfaces.lan.name;
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};
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};
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};
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networks = {
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"30-${interfaces.lan.name}" = {
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matchConfig.MACAddress = "${interfaces.lan.mac}";
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linkConfig.RequiredForOnline = "enslaved";
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matchConfig.Name = "${interfaces.lan.name}";
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linkConfig = {
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RequiredForOnline = "enslaved";
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# Name = interfaces.lan.name;
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};
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address = [
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cidr
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];
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networkConfig = {
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ConfigureWithoutCarrier = true;
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};
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};
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"10-${interfaces.wan.name}" = {
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matchConfig.MACAddress = "${interfaces.wan.mac}";
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"20-${interfaces.wan.name}" = {
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matchConfig.Name = "${interfaces.wan.name}";
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networkConfig = {
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DHCP = true;
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DNSOverTLS = true;
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IPv6PrivacyExtensions = false;
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IPForward = true;
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};
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linkConfig.RequiredForOnline = "routable";
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linkConfig = {
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RequiredForOnline = "routable";
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# Name = interfaces.wan.name;
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};
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};
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};
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};
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services.resolved.enable = false;
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services.dnsmasq = {
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enable = true;
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settings = {
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server = ["1.1.1.1" "9.9.9.9" "8.8.8.8"];
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domain-needed = true;
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bogus-priv = true;
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no-resolv = true;
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cache-size = 1000;
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dhcp-range = with dhcp_lease_space; ["${interfaces.lan.name},${min},${max},${netmask},24h"];
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interface = interfaces.lan.name;
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dhcp-host =
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[
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]
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++ (lib.attrsets.mapAttrsToList (name: {
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ip,
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identifier ? name,
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time ? "12h",
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}: "${name},${ip},${identifier},${time}")
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hosts);
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address =
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[
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"/${hostname}.${domain}/${ip}"
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]
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++ (lib.attrsets.mapAttrsToList (name: {
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ip,
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identifier ? name,
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time ? "12h",
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}: "/${name}.${domain}/${ip}")
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hosts);
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# local domains
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local = "/lan/";
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domain = "lan";
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expand-hosts = true;
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# don't use /etc/hosts as this would advertise surfer as localhost
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no-hosts = true;
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};
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};
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systemd.services.systemd-networkd-wait-online.enable = lib.mkForce false;
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services.openssh.listenAddresses = [
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@ -1,7 +1,8 @@
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#!/usr/bin/env bash
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usage() {
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echo 'safe-remote-upgrade.bash $flake $target_host'
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echo 'usage'
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echo ' safe-remote-upgrade.bash $FLAKE_REF $TARGET_HOST'
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}
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error() {
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@ -23,22 +24,26 @@ if [[ -z $1 ]]; then
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fi
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target_host="$1"; shift
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set -eu
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git add -A
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ssh "root@$target_host" "bash -c '
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set -m
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# sleep 5 mins
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echo \"Starting background reboot job...\"
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(sleep 300; reboot;) &
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jobs -p
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bg
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disown
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'"
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'" &
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nix run nixpkgs#nixos-rebuild -- --flake "$flake" \
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--target-host "root@$target_host" test --show-trace
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echo "Upgrade ready for verification. If you still have SSH access you can bail out without waiting with the following command:"
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echo " ssh 'root@$target_host' nixos-rebuild --rollback switch"
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echo
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echo
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echo "Waiting..."
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wait
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echo 'Done!'
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