a83701a14b
Adds git & SSH as part of the Nixery image, which are required to use Nix's builtins.fetchGit. The dependency on interactive tools is dropped, as it was only required during development when debugging the image building process itself.
106 lines
3.4 KiB
Nix
106 lines
3.4 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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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 = buildGoPackage {
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name = "nixery-server";
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# Technically people should not be building Nixery through 'go get'
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# or similar (as other required files will not be included), but
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# buildGoPackage requires a package path.
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goPackagePath = "github.com/google/nixery";
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goDeps = ./go-deps.nix;
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src = ./.;
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meta = {
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description = "Container image build serving Nix-backed images";
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homepage = "https://github.com/google/nixery";
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license = lib.licenses.asl20;
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maintainers = [ lib.maintainers.tazjin ];
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};
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};
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# Nix expression (unimported!) which is used by Nixery to build
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# container images.
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nixery-builder = runCommand "build-registry-image.nix" {} ''
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cat ${./build-registry-image.nix} > $out
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'';
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# Static files to serve on the Nixery index. This is used primarily
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# for the demo instance running at nixery.appspot.com and provides
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# some background information for what Nixery is.
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nixery-static = runCommand "nixery-static" {} ''
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mkdir $out
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cp ${./static}/* $out
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'';
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# Wrapper script running the Nixery server with the above two data
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# dependencies configured.
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#
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# In most cases, this will be the derivation a user wants if they
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# are installing Nixery directly.
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nixery-bin = writeShellScriptBin "nixery" ''
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export NIX_BUILDER="${nixery-builder}"
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export WEB_DIR="${nixery-static}"
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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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# 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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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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contents = [
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cacert
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git
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gnutar
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gzip
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nix
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nixery-launch-script
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openssh
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];
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};
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}
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