134 lines
4.7 KiB
Nix
134 lines
4.7 KiB
Nix
{ lib, stdenv, fetchurl
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# native deps.
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, runCommand, pkg-config, meson, ninja, makeWrapper
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# build+runtime deps.
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, knot-dns, luajitPackages, libuv, gnutls, lmdb
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, jemalloc, systemd, libcap_ng, dns-root-data, nghttp2 # optionals, in principle
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# test-only deps.
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, cmocka, which, cacert
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, extraFeatures ? false /* catch-all if defaults aren't enough */
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}:
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let # un-indented, over the whole file
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result = if extraFeatures then wrapped-full else unwrapped;
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inherit (lib) optional optionals optionalString;
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lua = luajitPackages;
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unwrapped = stdenv.mkDerivation rec {
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pname = "knot-resolver";
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version = "5.6.0";
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src = fetchurl {
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url = "https://secure.nic.cz/files/knot-resolver/${pname}-${version}.tar.xz";
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sha256 = "0c82ae937b685dc477fb3176098e3dc106c898b7cd83553e5bc54dccb83c80d7";
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};
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outputs = [ "out" "dev" ];
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# Path fixups for the NixOS service.
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postPatch = ''
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patch meson.build <<EOF
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@@ -50,2 +50,2 @@
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-systemd_work_dir = prefix / get_option('localstatedir') / 'lib' / 'knot-resolver'
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-systemd_cache_dir = prefix / get_option('localstatedir') / 'cache' / 'knot-resolver'
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+systemd_work_dir = '/var/lib/knot-resolver'
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+systemd_cache_dir = '/var/cache/knot-resolver'
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EOF
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# ExecStart can't be overwritten in overrides.
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# We need that to use wrapped executable and correct config file.
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sed '/^ExecStart=/d' -i systemd/kresd@.service.in
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# On x86_64-darwin loading by soname fails to find the libs, surprisingly.
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# Even though they should already be loaded and they're in RPATH, too.
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for f in daemon/lua/{kres,zonefile}.lua; do
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substituteInPlace "$f" \
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--replace "ffi.load(" "ffi.load('${lib.getLib knot-dns}/lib/' .. "
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done
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''
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# some tests have issues with network sandboxing, apparently
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+ optionalString doInstallCheck ''
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echo 'os.exit(77)' > daemon/lua/trust_anchors.test/bootstrap.test.lua
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sed -E '/^[[:blank:]]*test_(dstaddr|headers),?$/d' -i \
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tests/config/doh2.test.lua modules/http/http_doh.test.lua
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'';
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preConfigure = ''
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patchShebangs scripts/
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'';
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nativeBuildInputs = [ pkg-config meson ninja ];
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# http://knot-resolver.readthedocs.io/en/latest/build.html#requirements
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buildInputs = [ knot-dns lua.lua libuv gnutls lmdb ]
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++ optionals stdenv.isLinux [ /*lib*/systemd libcap_ng ]
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++ [ jemalloc nghttp2 ]
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## optional dependencies; TODO: dnstap
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;
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mesonFlags = [
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"-Dkeyfile_default=${dns-root-data}/root.ds"
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"-Droot_hints=${dns-root-data}/root.hints"
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"-Dinstall_kresd_conf=disabled" # not really useful; examples are inside share/doc/
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"-Dmalloc=jemalloc"
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"--default-library=static" # not used by anyone
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]
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++ optional doInstallCheck "-Dunit_tests=enabled"
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++ optional doInstallCheck "-Dconfig_tests=enabled"
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++ optional stdenv.isLinux "-Dsystemd_files=enabled" # used by NixOS service
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#"-Dextra_tests=enabled" # not suitable as in-distro tests; many deps, too.
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;
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postInstall = ''
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rm "$out"/lib/libkres.a
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rm "$out"/lib/knot-resolver/upgrade-4-to-5.lua # not meaningful on NixOS
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'' + optionalString stdenv.targetPlatform.isLinux ''
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rm -r "$out"/lib/sysusers.d/ # ATM more likely to harm than help
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'';
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doInstallCheck = with stdenv; hostPlatform == buildPlatform;
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nativeInstallCheckInputs = [ cmocka which cacert lua.cqueues lua.basexx lua.http ];
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installCheckPhase = ''
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meson test --print-errorlogs --no-suite snowflake
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'';
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meta = with lib; {
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description = "Caching validating DNS resolver, from .cz domain registry";
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homepage = "https://knot-resolver.cz";
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license = licenses.gpl3Plus;
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platforms = platforms.unix;
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maintainers = [ maintainers.vcunat /* upstream developer */ ];
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mainProgram = "kresd";
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};
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};
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wrapped-full = runCommand unwrapped.name
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{
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nativeBuildInputs = [ makeWrapper ];
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buildInputs = with luajitPackages; [
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# For http module, prefill module, trust anchor bootstrap.
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# It brings lots of deps; some are useful elsewhere (e.g. cqueues).
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http
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# psl isn't in nixpkgs yet, but policy.slice_randomize_psl() seems not important.
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];
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preferLocalBuild = true;
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allowSubstitutes = false;
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inherit (unwrapped) meta;
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}
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(''
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mkdir -p "$out"/bin
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makeWrapper '${unwrapped}/bin/kresd' "$out"/bin/kresd \
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--set LUA_PATH "$LUA_PATH" \
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--set LUA_CPATH "$LUA_CPATH"
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ln -sr '${unwrapped}/share' "$out"/
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ln -sr '${unwrapped}/lib' "$out"/ # useful in NixOS service
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ln -sr "$out"/{bin,sbin}
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'' + lib.optionalString unwrapped.doInstallCheck ''
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echo "Checking that 'http' module loads, i.e. lua search paths work:"
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echo "modules.load('http')" > test-http.lua
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echo -e 'quit()' | env -i "$out"/bin/kresd -a 127.0.0.1#53535 -c test-http.lua
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'');
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in result
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