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# SPDX-FileCopyrightText: 2020 Serokell <https://serokell.io/>
# SPDX-FileCopyrightText: 2020 Andreas Fuchs <asf@boinkor.net>
#
# SPDX-License-Identifier: MPL-2.0
{
description = "A Simple multi-profile Nix-flake deploy tool.";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
naersk = {
url = "github:nmattia/naersk/master";
inputs.nixpkgs.follows = "nixpkgs";
};
utils.url = "github:numtide/flake-utils";
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
};
outputs = { self, nixpkgs, utils, naersk, ... }:
utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs { inherit system; };
naersk-lib = pkgs.callPackage naersk { };
isDarwin = pkgs.lib.strings.hasSuffix "-darwin" system;
darwinOptions = pkgs.lib.optionalAttrs isDarwin {
nativeBuildInputs = [
pkgs.darwin.apple_sdk.frameworks.SystemConfiguration
];
};
in
{
defaultPackage = self.packages."${system}".deploy-rs;
packages.deploy-rs = naersk-lib.buildPackage (darwinOptions // {
root = ./.;
});
defaultApp = self.apps."${system}".deploy-rs;
apps.deploy-rs = {
type = "app";
program = "${self.defaultPackage."${system}"}/bin/deploy";
};
devShell = pkgs.mkShell {
inputsFrom = [ self.packages.${system}.deploy-rs ];
buildInputs = [ pkgs.nixUnstable ];
};
checks = {
deploy-rs = self.defaultPackage.${system}.overrideAttrs (super: { doCheck = true; });
};
lib = rec {
setActivate = builtins.trace
"deploy-rs#lib.setActivate is deprecated, use activate.noop, activate.nixos or activate.custom instead"
activate.custom;
activate = rec {
custom =
{
__functor = customSelf: base: activate:
pkgs.buildEnv {
name = ("activatable-" + base.name);
paths =
[
base
(pkgs.writeTextFile {
name = base.name + "-activate-path";
text = ''
#!${pkgs.runtimeShell}
set -euo pipefail
if [[ $DRY_ACTIVATE == "1" ]]
then
${if builtins.hasAttr "dryActivate" customSelf
then
customSelf.dryActivate
else
"echo ${pkgs.writeScript "activate" activate}"}
else
${activate}
fi
'';
executable = true;
destination = "/deploy-rs-activate";
})
(pkgs.writeTextFile {
name = base.name + "-activate-rs";
text = ''
#!${pkgs.runtimeShell}
exec ${self.defaultPackage."${system}"}/bin/activate "$@"
'';
executable = true;
destination = "/activate-rs";
})
];
};
};
nixos = base: (custom // { dryActivate = "$PROFILE/bin/switch-to-configuration dry-activate"; }) base.config.system.build.toplevel ''
# work around https://github.com/NixOS/nixpkgs/issues/73404
cd /tmp
$PROFILE/bin/switch-to-configuration switch
# https://github.com/serokell/deploy-rs/issues/31
${with base.config.boot.loader;
pkgs.lib.optionalString systemd-boot.enable
"sed -i '/^default /d' ${efi.efiSysMountPoint}/loader/loader.conf"}
'';
home-manager = base: custom base.activationPackage "$PROFILE/activate";
noop = base: custom base ":";
};
deployChecks = deploy: builtins.mapAttrs (_: check: check deploy) {
schema = deploy: pkgs.runCommandNoCC "jsonschema-deploy-system" { } ''
${pkgs.python3.pkgs.jsonschema}/bin/jsonschema -i ${pkgs.writeText "deploy.json" (builtins.toJSON deploy)} ${./interface.json} && touch $out
'';
activate = deploy:
let
profiles = builtins.concatLists (pkgs.lib.mapAttrsToList (nodeName: node: pkgs.lib.mapAttrsToList (profileName: profile: [ (toString profile.path) nodeName profileName ]) node.profiles) deploy.nodes);
in
pkgs.runCommandNoCC "deploy-rs-check-activate" { } ''
for x in ${builtins.concatStringsSep " " (map (p: builtins.concatStringsSep ":" p) profiles)}; do
profile_path=$(echo $x | cut -f1 -d:)
node_name=$(echo $x | cut -f2 -d:)
profile_name=$(echo $x | cut -f3 -d:)
test -f "$profile_path/deploy-rs-activate" || (echo "#$node_name.$profile_name is missing the deploy-rs-activate activation script" && exit 1);
test -f "$profile_path/activate-rs" || (echo "#$node_name.$profile_name is missing the activate-rs activation script" && exit 1);
done
touch $out
'';
};
};
});
}
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