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my hydra build scripts part 2
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{ nixpkgs | |
, nixes | |
, supportedSystems ? [ "x86_64-linux" ] | |
, system ? builtins.currentSystem | |
, attrs ? [ "pkgs.pythonPackages.virtualenv" "pkgs.bash" ] | |
, storeDir ? "/var/matej" | |
, minimal ? false | |
, vm_timeout ? "180" | |
}: | |
with import <nixpkgs/nixos/lib/build-vms.nix> { inherit system minimal; }; | |
with pkgs; | |
let | |
pkgs = import <nixpkgs> { inherit system; }; | |
configVM = { | |
virtualisation.memorySize = 1024; | |
virtualisation.graphics = false; | |
virtualisation.diskSize = 5000; | |
}; | |
machine = | |
{ config, pkgs, ... }: configVM; | |
vmBuildNixText = builtins.readFile <nixes/vm_build.nix>; | |
vmBuildNixFile = writeText "vm-build.nix" vmBuildNixText; | |
attrs_str = toString attrs; # legacy | |
vmBuildCommands = '' | |
echo "############################### DO SOMETHING, WILL YOU? ###############################" | |
export PATH=${nix}/bin:$PATH | |
mkdir -p ${storeDir} | |
chgrp 30000 ${storeDir} | |
chmod 1775 ${storeDir} | |
export NIX_STORE_DIR=${storeDir} | |
nix-build ${vmBuildNixFile} -A vmEnvironment --argstr nixpkgs ${vmNixpkgs.outPath} --argstr prefix ${storeDir} --argstr attrs_str ${attrs_str} --show-trace | |
${gnutar}/bin/tar cfv /tmp/xchg/out.tar ${storeDir} | |
${xz}/bin/xz /tmp/xchg/out.tar | |
echo "############################### YOU DID SOMETHING, DID YOU? ###############################" | |
''; | |
vm = buildVM { } [ | |
machine { | |
key = "run-in-machine"; | |
networking.enableIPv6 = false; | |
nix.readOnlyStore = true; | |
systemd.services.backdoor.enable = false; | |
systemd.services.build-commands = { | |
description = "Build Commands"; | |
wantedBy = [ "multi-user.target" ]; | |
after = [ "multi-user.target" ]; | |
script = '' | |
{ | |
${vmBuildCommands} | |
} || { | |
echo "BUILD SCRIPT EXITED WITH ERROR" | |
} | |
sleep 5; poweroff | |
''; | |
serviceConfig = { | |
Type = "oneshot"; | |
}; | |
}; | |
} | |
]; | |
vmRunCommand = writeText "vm-run" '' | |
export PATH=${coreutils}/bin:$PATH | |
mkdir -p vm-state-client/xchg | |
export > vm-state-client/xchg/saved-env | |
timeout ${vm_timeout} ${vm.config.system.build.vm}/bin/run-*-vm | |
mkdir -p $out/tarballs | |
cp ./nix-vm.*/xchg/out.tar.xz $out/tarballs | |
mkdir -p $out/nix-support | |
for i in $out/tarballs/*; do | |
echo "file binary-dist $i" >> $out/nix-support/hydra-build-products | |
done | |
''; | |
vmRunner = stdenv.mkDerivation { | |
name = "vm-runner"; | |
requiredSystemFeatures = [ "kvm" ]; | |
builder = "${bash}/bin/sh"; | |
args = ["-e" vmRunCommand]; | |
}; | |
vmNixpkgs = stdenv.mkDerivation { | |
name = "vm-nixpkgs"; | |
src = fetchgit { url = https://github.com/matejc/nixpkgs; rev = "refs/heads/master"; }; | |
phases = [ "unpackPhase" "installPhase" ]; | |
installPhase = '' | |
mkdir -p $out | |
cp -rv $curSrc/* $out | |
''; | |
}; | |
jobs = { | |
build = vmRunner; | |
}; | |
in jobs |
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{ nixpkgs, prefix, attrs_str ? "pkgs.nix pkgs.unzip" }: | |
let | |
config = { | |
nix = { | |
storeDir = prefix+"/store"; | |
stateDir = prefix+"/state"; | |
}; | |
}; | |
pkgs = import nixpkgs { system = builtins.currentSystem; inherit config; }; | |
parsed_attrs = (map (n: pkgs.lib.getAttrFromPath (pkgs.lib.splitString "." n) pkgs) (pkgs.lib.splitString " " attrs_str)); | |
build = { | |
vmEnvironment = pkgs.buildEnv { | |
name = "vm-environment"; | |
paths = parsed_attrs; | |
pathsToLink = [ "/" ]; | |
ignoreCollisions = true; | |
}; | |
}; | |
in | |
build |
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