93 lines
3.1 KiB
Nix
93 lines
3.1 KiB
Nix
{ lib, pkgs, config, systems, ... }:
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let
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inherit (builtins) head attrNames;
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inherit (lib) mkMerge mkIf mkDefault optionalAttrs mapAttrs' optionalString;
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inherit (lib.my) mkOpt' mkBoolOpt';
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cfg = config.my.deploy;
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# Based on https://github.com/serokell/deploy-rs/blob/master/flake.nix
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nixosActivate = mode: base: (pkgs.deploy-rs.lib.activate.custom // { dryActivate = "$PROFILE/bin/switch-to-configuration dry-activate"; }) base.config.system.build.toplevel ''
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# work around https://github.com/NixOS/nixpkgs/issues/73404
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cd /tmp
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$PROFILE/bin/switch-to-configuration ${mode}
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# https://github.com/serokell/deploy-rs/issues/31
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${with base.config.boot.loader;
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optionalString ((mode == "switch" || mode == "boot") && systemd-boot.enable)
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"sed -i '/^default /d' ${efi.efiSysMountPoint}/loader/loader.conf"}
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'';
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ctrProfiles = optionalAttrs cfg.generate.containers.enable (mapAttrs' (n: c:
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let
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ctrConfig = systems."${n}".configuration.config;
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in
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{
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name = "container-${n}";
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value = {
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path = pkgs.deploy-rs.lib.activate.custom ctrConfig.my.buildAs.container
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''
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systemctl ${if c.hotReload then "reload" else "restart"} systemd-nspawn@${n}
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'';
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profilePath = "/nix/var/nix/profiles/per-container/${n}/system";
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user = "root";
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};
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}) config.my.containers.instances);
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in
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{
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options.my.deploy = with lib.types; {
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authorizedKeys = {
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keys = mkOpt' (listOf singleLineStr) [ ] "SSH public keys to add to the default deployment user.";
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keyFiles = mkOpt' (listOf path) [ lib.my.sshKeyFiles.deploy ] "SSH public key files to add to the default deployment user.";
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};
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enable = mkBoolOpt' true "Whether to expose deploy-rs configuration for this system.";
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inherit (lib.my.deploy-rs) node;
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generate = {
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system = {
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enable = mkBoolOpt' true "Whether to generate a deploy-rs profile for this system's config.";
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mode = mkOpt' str "switch" "switch-to-configuration mode.";
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};
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containers.enable = mkBoolOpt' true "Whether to generate deploy-rs profiles for this system's containers.";
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};
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};
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config = mkMerge [
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{
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my.deploy.enable = mkIf config.my.build.isDevVM false;
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}
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(mkIf cfg.enable {
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my.deploy.node = {
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hostname = mkDefault config.networking.fqdn;
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profilesOrder = [ "system" ] ++ (attrNames ctrProfiles);
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profiles = {
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system = mkIf cfg.generate.system.enable {
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path = nixosActivate cfg.generate.system.mode { inherit config; };
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user = "root";
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};
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} // ctrProfiles;
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sshUser = "deploy";
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user = mkDefault "root";
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sudo = mkDefault (if config.security.doas.enable then "doas -u" else "sudo -u");
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sshOpts = mkDefault [ "-p" (toString (head config.services.openssh.ports)) ];
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};
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users = {
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users."${cfg.node.sshUser}" = {
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isSystemUser = true;
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group = cfg.node.sshUser;
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extraGroups = mkDefault [ "wheel" ];
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shell = pkgs.bash;
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openssh.authorizedKeys = cfg.authorizedKeys;
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};
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groups."${cfg.node.sshUser}" = {};
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};
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})
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];
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}
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