359 lines
12 KiB
Nix
359 lines
12 KiB
Nix
{
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description = "C3D2 NixOS configurations";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/release-21.05";
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nixpkgs-mobilizon.url = "github:minijackson/nixpkgs/init-mobilizon";
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secrets.url = "git+ssh://gitea@gitea.c3d2.de/c3d2-admins/secrets.git";
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zentralwerk.url = "git+https://gitea.c3d2.de/zentralwerk/network.git";
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yammat.url = "git+https://gitea.c3d2.de/astro/yammat.git?ref=nix";
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yammat.inputs.nixpkgs.follows = "nixpkgs";
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scrapers.url = "git+https://gitea.c3d2.de/astro/scrapers.git";
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scrapers.flake = false;
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spacemsg.url = "github:astro/spacemsg";
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spacemsg.flake = false;
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tigger.url = "github:astro/tigger";
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tigger.flake = false;
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ticker.url = "git+https://gitea.c3d2.de/astro/ticker.git";
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ticker.flake = false;
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};
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outputs = inputs@{ self, nixpkgs, secrets, nixos-hardware, zentralwerk, yammat, scrapers, spacemsg, tigger, ticker, ... }:
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let
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forAllSystems = nixpkgs.lib.genAttrs [ "aarch64-linux" "x86_64-linux" ];
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inherit (nixpkgs.lib) recursiveUpdate;
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extractZwHosts = { hosts4, hosts6, ... }:
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recursiveUpdate (
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builtins.foldl' (result: name:
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recursiveUpdate result {
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"${name}".ip4 = hosts4.${name};
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}
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) {} (builtins.attrNames hosts4)
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) (
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builtins.foldl' (result: ctx:
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builtins.foldl' (result: name:
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recursiveUpdate result {
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"${name}".ip6 = hosts6.${ctx}.${name};
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}
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) result (builtins.attrNames hosts6.${ctx})
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) {} (builtins.attrNames hosts6)
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);
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zwHostRegistry = {
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hosts =
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builtins.foldl' (result: net:
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recursiveUpdate result (extractZwHosts zentralwerk.lib.config.site.net.${net})
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) {} [ "core" "c3d2" "serv" ];
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};
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extraHostRegistry = import ./host-registry.nix;
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hostRegistry = nixpkgs.lib.recursiveUpdate zwHostRegistry extraHostRegistry;
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flakifiedHosts = nixpkgs.lib.filterAttrs (name: _: self.nixosConfigurations ? ${name}) hostRegistry.hosts;
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getHostAddr = name:
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let
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hostConf = hostRegistry.hosts.${name};
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in
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if hostConf ? ip4
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then hostConf.ip4
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else if hostConf ? ip6
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then hostConf.ip6
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else null;
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in {
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overlay = import ./overlay;
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legacyPackages = forAllSystems
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(system: nixpkgs.legacyPackages.${system}.extend self.overlay);
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packages = forAllSystems (system:
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let
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pkgs = self.legacyPackages.${system};
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in {
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inherit (pkgs) bmxd openwebrx;
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list-upgradable = pkgs.writeScriptBin "list-upgradable" ''
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#! ${pkgs.runtimeShell}
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NORMAL="\033[0m"
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RED="\033[0;31m"
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YELLOW="\033[0;33m"
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GREEN="\033[0;32m"
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${pkgs.lib.concatMapStringsSep "\n" (name:
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let
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addr = getHostAddr name;
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in nixpkgs.lib.optionalString (addr != null) ''
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echo -n -e "${name}: $RED"
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RUNNING=$(ssh -o PreferredAuthentications=publickey -o StrictHostKeyChecking=accept-new root@"${addr}" "readlink /run/current-system")
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if [ $? = 0 ] && [ -n "$RUNNING" ]; then
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CURRENT=$(nix eval --raw ".#nixosConfigurations.${name}.config.system.build.toplevel" 2>/dev/null)
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RUNNING_VER=$(basename $RUNNING|rev|cut -d - -f 1|rev)
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CURRENT_VER=$(basename $CURRENT|rev|cut -d - -f 1|rev)
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if [ "$RUNNING" = "$CURRENT" ]; then
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echo -e "$GREEN"current"$NORMAL $RUNNING_VER"
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elif [ "$RUNNING_VER" = "$CURRENT_VER" ]; then
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echo -e "$GREEN"modified"$NORMAL $RUNNING_VER"
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else
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echo -e "$YELLOW"outdated"$NORMAL $RUNNING_VER < $CURRENT_VER"
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fi
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fi
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echo -n -e "$NORMAL"
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'') (builtins.attrNames flakifiedHosts)}
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'';
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} //
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builtins.foldl' (result: host: result // {
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# TODO: check if the ethernet address is reachable and if not,
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# execute wol on a machine in HQ.
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"${host}-wake" = pkgs.writeScriptBin "${host}-wake" ''
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#!${pkgs.runtimeShell}
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exec ${pkgs.wol}/bin/wol ${hostRegistry.hosts.${host}.ether}
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'';
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}) {} (builtins.attrNames (nixpkgs.lib.filterAttrs (_: { wol ? false, ... }: wol) hostRegistry.hosts)) //
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builtins.foldl' (result: name:
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let
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host = getHostAddr name;
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target = ''root@"${host}"'';
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rebuildArg = "--flake ${self}#${name}";
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profile = self.nixosConfigurations.${name}.config.system.build.toplevel;
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in result // {
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# Generate a small script for copying this flake to the
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# remote machine and bulding and switching there.
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# Can be run with `nix run c3d2#…-nixos-rebuild switch`
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"${name}-nixos-rebuild" = pkgs.writeScriptBin "${name}-nixos-rebuild" ''
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#!${pkgs.runtimeShell} -e
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nix-copy-closure --to ${target} ${secrets}
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nix-copy-closure --to ${target} ${self}
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exec ssh ${target} nixos-rebuild ${rebuildArg} $@
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'';
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"${name}-nixos-rebuild-local" = pkgs.writeScriptBin "${name}-nixos-rebuild" ''
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#!${pkgs.runtimeShell} -e
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nix-copy-closure --to ${target} --gzip ${profile}
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exec ssh ${target} "${profile}/bin/switch-to-configuration $@"
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'';
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"${name}-cleanup" = pkgs.writeScriptBin "${name}-cleanup" ''
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#!${pkgs.runtimeShell} -e
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exec ssh ${target} "time nix-collect-garbage -d && time nix-store --optimise"
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'';
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}) {} (builtins.attrNames flakifiedHosts) //
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builtins.foldl' (result: host: result // {
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"${host}-sdImage" = self.nixosConfigurations.${host}.config.system.build.sdImage;
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}) {} (builtins.attrNames (nixpkgs.lib.filterAttrs (host: nixosConfiguration:
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nixosConfiguration.config.system.build ? sdImage
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) self.nixosConfigurations))
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);
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nixosConfigurations = let
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nixosSystem' =
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# Our custom NixOS builder
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{ nixpkgs ? inputs.nixpkgs, extraArgs ? {}, ... }@args:
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nixpkgs.lib.nixosSystem (nixpkgs.lib.filterAttrs (n: _: n != "nixpkgs") args // {
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extraArgs = extraArgs // {
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inherit hostRegistry inputs;
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};
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extraModules = [
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self.nixosModules.c3d2
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({ pkgs, ... }: {
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nix = {
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package = pkgs.nixFlakes;
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extraOptions = "experimental-features = nix-command flakes";
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};
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nixpkgs.overlays = [ self.overlay ];
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})
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];
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});
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in {
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freifunk = nixosSystem' {
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modules = [
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./hosts/containers/freifunk
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({ ... }: {
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nixpkgs.overlays = with secrets.overlays; [
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freifunk ospf
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];
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})
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];
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system = "x86_64-linux";
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};
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glotzbert = nixosSystem' {
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modules = [
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./hosts/glotzbert
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nixos-hardware.nixosModules.common-cpu-intel
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nixos-hardware.nixosModules.common-pc-ssd
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secrets.nixosModules.admins
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];
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system = "x86_64-linux";
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};
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pulsebert = nixosSystem' {
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modules = [
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"${inputs.nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64.nix"
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./hosts/pulsebert
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];
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system = "aarch64-linux";
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};
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radiobert = nixosSystem' {
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modules = [
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"${inputs.nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64.nix"
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./hosts/radiobert
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];
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system = "aarch64-linux";
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};
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dacbert = nixosSystem' {
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modules = [
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"${inputs.nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64.nix"
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./hosts/dacbert
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];
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system = "aarch64-linux";
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};
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yggdrasil = nixosSystem' {
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modules = [
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./hosts/containers/yggdrasil
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./lib/lxc-container.nix
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./lib/users/emery.nix
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({ ... }: {
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nixpkgs.overlays = [ secrets.overlays.ospf ];
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})
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];
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system = "x86_64-linux";
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};
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matemat = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/matemat
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yammat.nixosModule
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secrets.nixosModules.admins
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({ ... }: {
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nixpkgs.overlays = [ secrets.overlays.matemat ];
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})
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];
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system = "x86_64-linux";
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};
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scrape = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/scrape
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({ ... }: {
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nixpkgs.overlays = [ secrets.overlays.scrape ];
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})
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];
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extraArgs = { inherit scrapers; };
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system = "x86_64-linux";
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};
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dn42 = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/dn42
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({ ... }: {
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nixpkgs.overlays = [ secrets.overlays.dn42 ];
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})
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];
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system = "x86_64-linux";
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};
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grafana = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/grafana
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];
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system = "x86_64-linux";
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};
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hydra = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/hydra
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];
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system = "x86_64-linux";
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};
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mucbot = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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"${tigger}/module.nix"
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{ nixpkgs.overlays = [ secrets.overlays.mucbot ]; }
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./hosts/containers/mucbot
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];
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extraArgs = { inherit tigger; };
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system = "x86_64-linux";
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};
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kibana = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/kibana
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];
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system = "x86_64-linux";
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};
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public-access-proxy = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/public-access-proxy
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];
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system = "x86_64-linux";
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};
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ticker = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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"${ticker}/nixos-module.nix"
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./hosts/containers/ticker
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];
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system = "x86_64-linux";
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};
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spaceapi = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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"${spacemsg}/spaceapi/module.nix"
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./hosts/containers/spaceapi
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];
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system = "x86_64-linux";
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};
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stream = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/stream
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];
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system = "x86_64-linux";
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};
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mobilizon = nixosSystem' {
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# TODO: pending https://github.com/NixOS/nixpkgs/pull/119132
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nixpkgs = inputs.nixpkgs-mobilizon;
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/mobilizon
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];
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system = "x86_64-linux";
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};
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mail = nixosSystem' {
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modules = [
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./lib/lxc-container.nix
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./hosts/containers/mail
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];
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system = "x86_64-linux";
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};
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};
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nixosModule = import ./lib;
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nixosModules.c3d2 = self.nixosModule;
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};
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}
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