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nixpkgs/pkgs/servers/dns/knot-resolver/default.nix

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{ lib, stdenv, fetchurl
# native deps.
, runCommand, pkg-config, meson, ninja, makeWrapper
# build+runtime deps.
, knot-dns, luajitPackages, libuv, gnutls, lmdb
, systemd, libcap_ng, dns-root-data, nghttp2 # optionals, in principle
# test-only deps.
, cmocka, which, cacert
, extraFeatures ? false /* catch-all if defaults aren't enough */
}:
let # un-indented, over the whole file
result = if extraFeatures then wrapped-full else unwrapped;
2021-01-15 07:07:56 +00:00
inherit (lib) optional optionals optionalString;
lua = luajitPackages;
unwrapped = stdenv.mkDerivation rec {
pname = "knot-resolver";
version = "5.4.4";
src = fetchurl {
url = "https://secure.nic.cz/files/knot-resolver/${pname}-${version}.tar.xz";
sha256 = "588964319e943679d391cc9c886d40ef858ecd9b33ae160023b4e2b5182b2cea";
};
outputs = [ "out" "dev" ];
# Path fixups for the NixOS service.
postPatch = ''
patch meson.build <<EOF
@@ -50,2 +50,2 @@
-systemd_work_dir = prefix / get_option('localstatedir') / 'lib' / 'knot-resolver'
-systemd_cache_dir = prefix / get_option('localstatedir') / 'cache' / 'knot-resolver'
+systemd_work_dir = '/var/lib/knot-resolver'
+systemd_cache_dir = '/var/cache/knot-resolver'
EOF
# ExecStart can't be overwritten in overrides.
# We need that to use wrapped executable and correct config file.
sed '/^ExecStart=/d' -i systemd/kresd@.service.in
''
# some tests have issues with network sandboxing, apparently
+ optionalString doInstallCheck ''
echo 'os.exit(77)' > daemon/lua/trust_anchors.test/bootstrap.test.lua
sed -E '/^[[:blank:]]*test_(dstaddr|headers),?$/d' -i \
tests/config/doh2.test.lua modules/http/http_doh.test.lua
'';
preConfigure = ''
patchShebangs scripts/
'';
nativeBuildInputs = [ pkg-config meson ninja ];
# http://knot-resolver.readthedocs.io/en/latest/build.html#requirements
buildInputs = [ knot-dns lua.lua libuv gnutls lmdb ]
++ optionals stdenv.isLinux [ systemd libcap_ng ]
++ [ nghttp2 ]
## optional dependencies; TODO: dnstap
;
mesonFlags = [
"-Dkeyfile_default=${dns-root-data}/root.ds"
"-Droot_hints=${dns-root-data}/root.hints"
"-Dinstall_kresd_conf=disabled" # not really useful; examples are inside share/doc/
"--default-library=static" # not used by anyone
]
++ optional doInstallCheck "-Dunit_tests=enabled"
++ optional (doInstallCheck && !stdenv.isDarwin) "-Dconfig_tests=enabled"
++ optional stdenv.isLinux "-Dsystemd_files=enabled" # used by NixOS service
#"-Dextra_tests=enabled" # not suitable as in-distro tests; many deps, too.
;
postInstall = ''
rm "$out"/lib/libkres.a
rm "$out"/lib/knot-resolver/upgrade-4-to-5.lua # not meaningful on NixOS
'' + optionalString stdenv.targetPlatform.isLinux ''
rm -r "$out"/lib/sysusers.d/ # ATM more likely to harm than help
'';
doInstallCheck = with stdenv; hostPlatform == buildPlatform
&& !(isDarwin && isAarch64); # avoid luarocks, as it's broken ATM on the platform
installCheckInputs = [ cmocka which cacert lua.cqueues lua.basexx lua.http ];
installCheckPhase = ''
meson test --print-errorlogs
'';
meta = with lib; {
description = "Caching validating DNS resolver, from .cz domain registry";
homepage = "https://knot-resolver.cz";
license = licenses.gpl3Plus;
platforms = platforms.unix;
maintainers = [ maintainers.vcunat /* upstream developer */ ];
};
};
wrapped-full = runCommand unwrapped.name
{
nativeBuildInputs = [ makeWrapper ];
buildInputs = with luajitPackages; [
# For http module, prefill module, trust anchor bootstrap.
# It brings lots of deps; some are useful elsewhere (e.g. cqueues).
http
# psl isn't in nixpkgs yet, but policy.slice_randomize_psl() seems not important.
];
preferLocalBuild = true;
allowSubstitutes = false;
}
''
mkdir -p "$out"/bin
makeWrapper '${unwrapped}/bin/kresd' "$out"/bin/kresd \
--set LUA_PATH "$LUA_PATH" \
--set LUA_CPATH "$LUA_CPATH"
ln -sr '${unwrapped}/share' "$out"/
ln -sr '${unwrapped}/lib' "$out"/ # useful in NixOS service
ln -sr "$out"/{bin,sbin}
echo "Checking that 'http' module loads, i.e. lua search paths work:"
echo "modules.load('http')" > test-http.lua
echo -e 'quit()' | env -i "$out"/bin/kresd -a 127.0.0.1#53535 -c test-http.lua
'';
in result