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nixpkgs/pkgs/tools/filesystems/glusterfs/default.nix
Niklas Hambüchen c3cddfcef1 glusterfs: 3.12.2 -> 4.0.0
2018-11-04 11:18:15 +01:00

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{stdenv, fetchurl, fuse, bison, flex_2_5_35, openssl, python2, ncurses, readline,
autoconf, automake, libtool, pkgconfig, zlib, libaio, libxml2, acl, sqlite,
liburcu, attr, makeWrapper, coreutils, gnused, gnugrep, which,
openssh, gawk, findutils, utillinux, lvm2, btrfs-progs, e2fsprogs, xfsprogs, systemd,
rsync, glibc
}:
let
s =
rec {
baseName="glusterfs";
# NOTE: On each glusterfs release, it should be checked if gluster added
# new, or changed, Python scripts whose PYTHONPATH has to be set in
# `postFixup` below, and whose runtime deps need to go into
# `nativeBuildInputs`.
# The command
# find /nix/store/...-glusterfs-.../ -name '*.py' -executable
# can help with finding new Python scripts.
version = "4.0.0";
name="${baseName}-${version}";
url="https://github.com/gluster/glusterfs/archive/v${version}.tar.gz";
sha256 = "0af3fwiixddds6gdwhkyq3l214mmjl2wpjc2qayp5rpz79lnclq3";
};
buildInputs = [
fuse bison flex_2_5_35 openssl ncurses readline
autoconf automake libtool pkgconfig zlib libaio libxml2
acl sqlite liburcu attr makeWrapper
(python2.withPackages (pkgs: [
pkgs.flask
pkgs.prettytable
pkgs.requests
pkgs.pyxattr
]))
# NOTE: `python2` has to be *AFTER* the above `python2.withPackages`,
# to ensure that the packages are available but the `toPythonPath`
# shell function used in `postFixup` is also still available.
python2
];
# Some of the headers reference acl
propagatedBuildInputs = [
acl
];
# Packages from which GlusterFS calls binaries at run-time from PATH,
# with comments on which commands are known to be called by it.
runtimePATHdeps = [
attr # getfattr setfattr
btrfs-progs # btrfs
coreutils # lots of commands in bash scripts
e2fsprogs # tune2fs
findutils # find
gawk # awk
glibc # getent
gnugrep # grep
gnused # sed
lvm2 # lvs
openssh # ssh
rsync # rsync, e.g. for geo-replication
systemd # systemctl
utillinux # mount umount
which # which
xfsprogs # xfs_info
];
in
stdenv.mkDerivation
rec {
inherit (s) name version;
inherit buildInputs propagatedBuildInputs;
postPatch = ''
sed -e '/chmod u+s/d' -i contrib/fuse-util/Makefile.am
'';
patches = [
# Remove when https://bugzilla.redhat.com/show_bug.cgi?id=1450546 is fixed
./glusterfs-use-PATH-instead-of-hardcodes.patch
# Remove when https://bugzilla.redhat.com/show_bug.cgi?id=1450593 is fixed
./glusterfs-python-remove-find_library.patch
# Remove when https://bugzilla.redhat.com/show_bug.cgi?id=1489610 is fixed
./glusterfs-fix-bug-1489610-glusterfind-var-data-under-prefix.patch
# Remove when https://bugzilla.redhat.com/show_bug.cgi?id=1559130 is fixed
./glusterfs-glusterfind-log-remote-node_cmd-error.patch
];
# Note that the VERSION file is something that is present in release tarballs
# but not in git tags (at least not as of writing in v3.10.1).
# That's why we have to create it.
# Without this, gluster (at least 3.10.1) will fail very late and cryptically,
# for example when setting up geo-replication, with a message like
# Staging of operation 'Volume Geo-replication Create' failed on localhost : Unable to fetch master volume details. Please check the master cluster and master volume.
# What happens here is that the gverify.sh script tries to compare the versions,
# but fails when the version is empty.
# See upstream GlusterFS bug https://bugzilla.redhat.com/show_bug.cgi?id=1452705
preConfigure = ''
echo "v${s.version}" > VERSION
./autogen.sh
'';
configureFlags = [
''--localstatedir=/var''
];
makeFlags = "DESTDIR=$(out)";
enableParallelBuilding = true;
postInstall = ''
cp -r $out/$out/* $out
rm -r $out/nix
'';
postFixup = ''
# glusterd invokes `gluster` and other utilities when telling other glusterd nodes to run commands.
# For example for `peer_georep-sshkey` key generation, so `$out/bin` is needed in the PATH.
# It also invokes bash scripts like `gverify.sh`.
# It also invokes executable Python scripts in `$out/libexec/glusterfs`, which is why we set up PYTHONPATH accordingly.
# We set up the paths for the main entry point executables.
GLUSTER_PATH="${stdenv.lib.makeBinPath runtimePATHdeps}:$out/bin"
GLUSTER_PYTHONPATH="$(toPythonPath $out):$out/libexec/glusterfs"
GLUSTER_LD_LIBRARY_PATH="$out/lib"
wrapProgram $out/bin/glusterd --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
wrapProgram $out/bin/gluster --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
wrapProgram $out/sbin/mount.glusterfs --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
# Set Python environment for the Python based utilities.
# It would be nice if there was a better way to do this, automatically for all of them.
# Also, this is brittle: If we forget a dependency or gluster adds a new one, things will break deep inside gluster.
# We should better try to get an explicit list of Python dependencies from gluster and ensure all of them are in the PYTHONPATH of all these python scripts.
# But at the time of writing (gluster 3.10), gluster only provides this in form of a gluster.spec file for RPM creation,
# and even that one is not complete (for example it doesn't mention the `flask` dependency).
wrapProgram $out/bin/gluster-eventsapi --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
wrapProgram $out/bin/gluster-georep-sshkey --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
wrapProgram $out/bin/gluster-mountbroker --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
wrapProgram $out/bin/glusterfind --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
# Note that we only wrap the symlinks in $out/bin, not the actual executable scripts in $out/libexec/glusterfs.
# This is because those scripts use `__file__` in their program logic
# (see https://github.com/gluster/glusterfs/blob/v3.10.1/extras/cliutils/cliutils.py#L116)
# which would break if we changed the file name (which is what `wrapProgram` does).
# Luckily, `libexec` scripts are never supposed to be invoked straight from PATH,
# instead they are invoked directly from `gluster` or `glusterd`, which is why it is
# sufficient to set PYTHONPATH for those executables.
#
# Exceptions to these rules are the `glusterfind` `brickfind.py` and `changelog.py`
# crawlers, which are directly invoked on other gluster nodes using a remote SSH command
# issues by `glusterfind`.
wrapProgram $out/share/glusterfs/scripts/eventsdash.py --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
wrapProgram $out/libexec/glusterfs/glusterfind/brickfind.py --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
wrapProgram $out/libexec/glusterfs/glusterfind/changelog.py --set PATH "$GLUSTER_PATH" --set PYTHONPATH "$GLUSTER_PYTHONPATH" --set LD_LIBRARY_PATH "$GLUSTER_LD_LIBRARY_PATH"
'';
doInstallCheck = true;
# Below we run Python programs. That generates .pyc/.pyo files.
# By default they are indeterministic because such files contain time stamps
# (see https://nedbatchelder.com/blog/200804/the_structure_of_pyc_files.html).
# So we use the same environment variables as in
# https://github.com/NixOS/nixpkgs/blob/249b34aadca7038207492f29142a3456d0cecec3/pkgs/development/interpreters/python/mk-python-derivation.nix#L61
# to make these files deterministic.
# A general solution to this problem might be brought by #25707.
DETERMINISTIC_BUILD = 1;
PYTHONHASHSEED = 0;
installCheckPhase = ''
# Tests that the above programs work without import errors.
# For testing it manually in a shell you may want to substitute `$out` with `$(dirname $(readlink -f $(which gluster)))/../`.
$out/bin/glusterd --help
# $out/bin/gluster help # can't do this because even `gluster help` tries to write to `/var/log/glusterfs/cli.log`
$out/bin/gluster-eventsapi --help
$out/bin/gluster-georep-sshkey --help
$out/bin/gluster-mountbroker --help
$out/bin/glusterfind --help
# gfid_to_path.py doesn't accept --help, and it requires different arguments
# (a dir as single argument) than the usage prints when stdin is not a TTY.
# The `echo ""` is just so that stdin is not a TTY even if you try this line
# on a real TTY for testing purposes.
echo "" | (mkdir -p nix-test-dir-for-gfid_to_path && touch b && $out/libexec/glusterfs/gfind_missing_files/gfid_to_path.py nix-test-dir-for-gfid_to_path)
$out/share/glusterfs/scripts/eventsdash.py --help
'';
src = fetchurl {
inherit (s) url sha256;
};
meta = with stdenv.lib; {
inherit (s) version;
description = "Distributed storage system";
homepage = https://www.gluster.org;
license = licenses.lgpl3Plus; # dual licese: choice of lgpl3Plus or gpl2
maintainers = [ maintainers.raskin ];
platforms = with platforms; linux ++ freebsd;
};
}
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