306e12787a
This package is used by a variety of programs that users may want to embed into Nixery in addition, for example cachix, but those packages don't refer to it explicitly.
101 lines
3.2 KiB
Nix
101 lines
3.2 KiB
Nix
# Copyright 2019 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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{ pkgs ? import <nixpkgs> { }
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, preLaunch ? ""
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, extraPackages ? [] }:
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with pkgs;
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rec {
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# Go implementation of the Nixery server which implements the
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# container registry interface.
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#
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# Users will usually not want to use this directly, instead see the
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# 'nixery' derivation below, which automatically includes runtime
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# data dependencies.
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nixery-server = callPackage ./server { };
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# Implementation of the image building & layering logic
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nixery-build-image = (import ./build-image {
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pkgSource = "path!${<nixpkgs>}";
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}).wrapper;
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# Use mdBook to build a static asset page which Nixery can then
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# serve. This is primarily used for the public instance at
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# nixery.dev.
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nixery-book = callPackage ./docs { };
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# Wrapper script running the Nixery server with the above two data
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# dependencies configured.
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#
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# In most cases, this will be the derivation a user wants if they
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# are installing Nixery directly.
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nixery-bin = writeShellScriptBin "nixery" ''
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export WEB_DIR="${nixery-book}"
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exec ${nixery-server}/bin/nixery
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'';
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# Container image containing Nixery and Nix itself. This image can
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# be run on Kubernetes, published on AppEngine or whatever else is
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# desired.
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nixery-image = let
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# Wrapper script for the wrapper script (meta!) which configures
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# the container environment appropriately.
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#
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# Most importantly, sandboxing is disabled to avoid privilege
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# issues in containers.
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nixery-launch-script = writeShellScriptBin "nixery" ''
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set -e
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export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt
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mkdir /tmp
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# Create the build user/group required by Nix
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echo 'nixbld:x:30000:nixbld' >> /etc/group
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echo 'nixbld:x:30000:30000:nixbld:/tmp:/bin/bash' >> /etc/passwd
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echo 'root:x:0:0:root:/root:/bin/bash' >> /etc/passwd
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echo 'root:x:0:' >> /etc/group
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# Disable sandboxing to avoid running into privilege issues
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mkdir -p /etc/nix
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echo 'sandbox = false' >> /etc/nix/nix.conf
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# In some cases users building their own image might want to
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# customise something on the inside (e.g. set up an environment
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# for keys or whatever).
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#
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# This can be achieved by setting a 'preLaunch' script.
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${preLaunch}
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exec ${nixery-bin}/bin/nixery
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'';
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in dockerTools.buildLayeredImage {
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name = "nixery";
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config.Cmd = [ "${nixery-launch-script}/bin/nixery" ];
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maxLayers = 96;
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contents = [
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bashInteractive
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cacert
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coreutils
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git
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gnutar
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gzip
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iana-etc
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nix
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nixery-build-image
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nixery-launch-script
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openssh
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zlib
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] ++ extraPackages;
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};
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}
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