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nixpkgs/pkgs/os-specific/linux/zfs/default.nix
2020-10-06 10:25:58 +02:00

215 lines
9.1 KiB
Nix

{ stdenv, fetchFromGitHub, fetchpatch
, autoreconfHook, utillinux, nukeReferences, coreutils
, perl, buildPackages
, configFile ? "all"
# Userspace dependencies
, zlib, libuuid, python3, attr, openssl
, libtirpc
, nfs-utils
, gawk, gnugrep, gnused, systemd
, smartmontools, sysstat, sudo
, pkgconfig
# Kernel dependencies
, kernel ? null
, enablePython ? true
}:
with stdenv.lib;
let
buildKernel = any (n: n == configFile) [ "kernel" "all" ];
buildUser = any (n: n == configFile) [ "user" "all" ];
common = { version
, sha256
, extraPatches ? []
, rev ? "zfs-${version}"
, isUnstable ? false
, incompatibleKernelVersion ? null }:
if buildKernel &&
(incompatibleKernelVersion != null) &&
versionAtLeast kernel.version incompatibleKernelVersion then
throw ''
Linux v${kernel.version} is not yet supported by zfsonlinux v${version}.
${stdenv.lib.optionalString (!isUnstable) "Try zfsUnstable or set the NixOS option boot.zfs.enableUnstable."}
''
else stdenv.mkDerivation {
name = "zfs-${configFile}-${version}${optionalString buildKernel "-${kernel.version}"}";
src = fetchFromGitHub {
owner = "zfsonlinux";
repo = "zfs";
inherit rev sha256;
};
patches = extraPatches;
postPatch = optionalString buildKernel ''
patchShebangs scripts
# The arrays must remain the same length, so we repeat a flag that is
# already part of the command and therefore has no effect.
substituteInPlace ./module/${optionalString isUnstable "os/linux/"}zfs/zfs_ctldir.c \
--replace '"/usr/bin/env", "umount"' '"${utillinux}/bin/umount", "-n"' \
--replace '"/usr/bin/env", "mount"' '"${utillinux}/bin/mount", "-n"'
'' + optionalString buildUser ''
substituteInPlace ./lib/libzfs/libzfs_mount.c --replace "/bin/umount" "${utillinux}/bin/umount" \
--replace "/bin/mount" "${utillinux}/bin/mount"
substituteInPlace ./lib/libshare/${optionalString isUnstable "os/linux/"}nfs.c --replace "/usr/sbin/exportfs" "${
# We don't *need* python support, but we set it like this to minimize closure size:
# If it's disabled by default, no need to enable it, even if we have python enabled
# And if it's enabled by default, only change that if we explicitly disable python to remove python from the closure
nfs-utils.override (old: { enablePython = old.enablePython or true && enablePython; })
}/bin/exportfs"
substituteInPlace ./config/user-systemd.m4 --replace "/usr/lib/modules-load.d" "$out/etc/modules-load.d"
substituteInPlace ./config/zfs-build.m4 --replace "\$sysconfdir/init.d" "$out/etc/init.d" \
--replace "/etc/default" "$out/etc/default"
substituteInPlace ./etc/zfs/Makefile.am --replace "\$(sysconfdir)" "$out/etc"
substituteInPlace ./cmd/zed/Makefile.am --replace "\$(sysconfdir)" "$out/etc"
substituteInPlace ./contrib/initramfs/hooks/Makefile.am \
--replace "/usr/share/initramfs-tools/hooks" "$out/usr/share/initramfs-tools/hooks"
substituteInPlace ./contrib/initramfs/Makefile.am \
--replace "/usr/share/initramfs-tools" "$out/usr/share/initramfs-tools"
substituteInPlace ./contrib/initramfs/scripts/Makefile.am \
--replace "/usr/share/initramfs-tools/scripts" "$out/usr/share/initramfs-tools/scripts"
substituteInPlace ./contrib/initramfs/scripts/local-top/Makefile.am \
--replace "/usr/share/initramfs-tools/scripts/local-top" "$out/usr/share/initramfs-tools/scripts/local-top"
substituteInPlace ./contrib/initramfs/scripts/Makefile.am \
--replace "/usr/share/initramfs-tools/scripts" "$out/usr/share/initramfs-tools/scripts"
substituteInPlace ./contrib/initramfs/scripts/local-top/Makefile.am \
--replace "/usr/share/initramfs-tools/scripts/local-top" "$out/usr/share/initramfs-tools/scripts/local-top"
substituteInPlace ./etc/systemd/system/Makefile.am \
--replace '$(DESTDIR)$(systemdunitdir)' "$out"'$(DESTDIR)$(systemdunitdir)'
${optionalString isUnstable ''
substituteInPlace ./contrib/initramfs/conf.d/Makefile.am \
--replace "/usr/share/initramfs-tools/conf.d" "$out/usr/share/initramfs-tools/conf.d"
substituteInPlace ./contrib/initramfs/conf-hooks.d/Makefile.am \
--replace "/usr/share/initramfs-tools/conf-hooks.d" "$out/usr/share/initramfs-tools/conf-hooks.d"
''}
substituteInPlace ./etc/systemd/system/zfs-share.service.in \
--replace "/bin/rm " "${coreutils}/bin/rm "
substituteInPlace ./cmd/vdev_id/vdev_id \
--replace "PATH=/bin:/sbin:/usr/bin:/usr/sbin" \
"PATH=${makeBinPath [ coreutils gawk gnused gnugrep systemd ]}"
'';
nativeBuildInputs = [ autoreconfHook nukeReferences ]
++ optionals buildKernel (kernel.moduleBuildDependencies ++ [ perl ])
++ optional buildUser pkgconfig;
buildInputs = optionals buildUser [ zlib libuuid attr libtirpc ]
++ optional buildUser openssl
++ optional (buildUser && enablePython) python3;
# for zdb to get the rpath to libgcc_s, needed for pthread_cancel to work
NIX_CFLAGS_LINK = "-lgcc_s";
hardeningDisable = [ "fortify" "stackprotector" "pic" ];
configureFlags = [
"--with-config=${configFile}"
"--with-tirpc=1"
(withFeatureAs (buildUser && enablePython) "python" python3.interpreter)
] ++ optionals buildUser [
"--with-dracutdir=$(out)/lib/dracut"
"--with-udevdir=$(out)/lib/udev"
"--with-systemdunitdir=$(out)/etc/systemd/system"
"--with-systemdpresetdir=$(out)/etc/systemd/system-preset"
"--with-systemdgeneratordir=$(out)/lib/systemd/system-generator"
"--with-mounthelperdir=$(out)/bin"
"--libexecdir=$(out)/libexec"
"--sysconfdir=/etc"
"--localstatedir=/var"
"--enable-systemd"
] ++ optionals buildKernel ([
"--with-linux=${kernel.dev}/lib/modules/${kernel.modDirVersion}/source"
"--with-linux-obj=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
] ++ kernel.makeFlags);
makeFlags = optionals buildKernel kernel.makeFlags;
enableParallelBuilding = true;
installFlags = [
"sysconfdir=\${out}/etc"
"DEFAULT_INITCONF_DIR=\${out}/default"
"INSTALL_MOD_PATH=\${out}"
];
postInstall = optionalString buildKernel ''
# Add reference that cannot be detected due to compressed kernel module
mkdir -p "$out/nix-support"
echo "${utillinux}" >> "$out/nix-support/extra-refs"
'' + optionalString buildUser ''
# Remove provided services as they are buggy
rm $out/etc/systemd/system/zfs-import-*.service
sed -i '/zfs-import-scan.service/d' $out/etc/systemd/system/*
for i in $out/etc/systemd/system/*; do
substituteInPlace $i --replace "zfs-import-cache.service" "zfs-import.target"
done
# Fix pkgconfig.
ln -s ../share/pkgconfig $out/lib/pkgconfig
# Remove tests because they add a runtime dependency on gcc
rm -rf $out/share/zfs/zfs-tests
# Add Bash completions.
install -v -m444 -D -t $out/share/bash-completion/completions contrib/bash_completion.d/zfs
(cd $out/share/bash-completion/completions; ln -s zfs zpool)
'';
postFixup = ''
path="PATH=${makeBinPath [ coreutils gawk gnused gnugrep utillinux smartmontools sysstat sudo ]}"
for i in $out/libexec/zfs/zpool.d/*; do
sed -i "2i$path" $i
done
'';
outputs = [ "out" ] ++ optionals buildUser [ "lib" "dev" ];
meta = {
description = "ZFS Filesystem Linux Kernel module";
longDescription = ''
ZFS is a filesystem that combines a logical volume manager with a
Copy-On-Write filesystem with data integrity detection and repair,
snapshotting, cloning, block devices, deduplication, and more.
'';
homepage = "https://zfsonlinux.org/";
license = licenses.cddl;
platforms = platforms.linux;
maintainers = with maintainers; [ jcumming wizeman fpletz globin ];
};
};
in {
# also check if kernel version constraints in
# ./nixos/modules/tasks/filesystems/zfs.nix needs
# to be adapted
zfsStable = common {
# comment/uncomment if breaking kernel versions are known
# incompatibleKernelVersion = "4.20";
# this package should point to the latest release.
version = "0.8.4";
sha256 = "1hl4n900d24gl4vd65qdzq4m62b7bpvckldazcbd1xqcn8xhi6wp";
extraPatches = [ ./BACKPORT-Linux-5.8-compat-__vmalloc.patch ];
};
zfsUnstable = common {
# comment/uncomment if breaking kernel versions are known
# incompatibleKernelVersion = "4.19";
# this package should point to a version / git revision compatible with the latest kernel release
version = "2.0.0-rc3";
sha256 = "00fljxs6vacfhzc13bgsrmq6p3agpzcq6waw4iv2m58dr90jhlcz";
isUnstable = true;
};
}