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Removed Python 2 and Python 3.5- support 

Deprecation of Python versions below 3.6 gives opportunity to unify the
build and install requirements for OpenZFS packages. The minimal
supported Python version is 3.6 as this is the most recent Python
package CentOS/RHEL 7 users can get.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rich Ercolani <rincebrain@gmail.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #12925
This commit is contained in:
Damian Szuberski 2022-01-13 17:51:12 +01:00 committed by Tony Hutter
parent e202d3b867
commit 07cc8ae46a
16 changed files with 60 additions and 1316 deletions
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7
cmd/arc_summary/Makefile.am
View File

@ -1,13 +1,8 @@
bin_SCRIPTS = arc_summary
CLEANFILES = arc_summary
EXTRA_DIST = arc_summary2 arc_summary3
if USING_PYTHON_2
SCRIPT = arc_summary2
else
EXTRA_DIST = arc_summary3
SCRIPT = arc_summary3
endif
arc_summary: $(SCRIPT)
cp $< $@

1180
cmd/arc_summary/arc_summary2
View File

File diff suppressed because it is too large Load Diff

10
cmd/arc_summary/arc_summary3
View File

@ -191,21 +191,13 @@ elif sys.platform.startswith('linux'):
# there, so we fall back on modinfo
command = ["/sbin/modinfo", request, "-0"]
# The recommended way to do this is with subprocess.run(). However,
# some installed versions of Python are < 3.5, so we offer them
# the option of doing it the old way (for now)
info = ''
try:
if 'run' in dir(subprocess):
info = subprocess.run(command, stdout=subprocess.PIPE,
universal_newlines=True)
check=True, universal_newlines=True)
raw_output = info.stdout.split('\0')
else:
info = subprocess.check_output(command,
universal_newlines=True)
raw_output = info.split('\0')
except subprocess.CalledProcessError:
print("Error: Descriptions not available",

2
cmd/arcstat/arcstat.in
View File

@ -47,7 +47,7 @@
# @hdr is the array of fields that needs to be printed, so we
# just iterate over this array and print the values using our pretty printer.
#
# This script must remain compatible with Python 2.6+ and Python 3.4+.
# This script must remain compatible with Python 3.6+.
#
import sys

2
cmd/dbufstat/dbufstat.in
View File

@ -27,7 +27,7 @@
# Copyright (C) 2013 Lawrence Livermore National Security, LLC.
# Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
#
# This script must remain compatible with Python 2.6+ and Python 3.4+.
# This script must remain compatible with and Python 3.6+.
#
import sys

25
config/always-python.m4
View File

@ -1,7 +1,6 @@
dnl #
dnl # The majority of the python scripts are written to be compatible
dnl # with Python 2.6 and Python 3.4. Therefore, they may be installed
dnl # and used with either interpreter. This option is intended to
dnl # with Python 3.6. This option is intended to
dnl # to provide a method to specify the default system version, and
dnl # set the PYTHON environment variable accordingly.
dnl #
@ -13,9 +12,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYTHON], [
[with_python=check])
AS_CASE([$with_python],
[check], [AC_CHECK_PROGS([PYTHON], [python3 python2], [:])],
[2*], [PYTHON="python${with_python}"],
[*python2*], [PYTHON="${with_python}"],
[check], [AC_CHECK_PROGS([PYTHON], [python3], [:])],
[3*], [PYTHON="python${with_python}"],
[*python3*], [PYTHON="${with_python}"],
[no], [PYTHON=":"],
@ -23,8 +20,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYTHON], [
)
dnl #
dnl # Minimum supported Python versions for utilities:
dnl # Python 2.6 or Python 3.4
dnl # Minimum supported Python versions for utilities: Python 3.6
dnl #
AM_PATH_PYTHON([], [], [:])
AS_IF([test -z "$PYTHON_VERSION"], [
@ -33,25 +29,16 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYTHON], [
PYTHON_MINOR=${PYTHON_VERSION#*\.}
AS_CASE([$PYTHON_VERSION],
[2.*], [
AS_IF([test $PYTHON_MINOR -lt 6],
[AC_MSG_ERROR("Python >= 2.6 is required")])
],
[3.*], [
AS_IF([test $PYTHON_MINOR -lt 4],
[AC_MSG_ERROR("Python >= 3.4 is required")])
AS_IF([test $PYTHON_MINOR -lt 6],
[AC_MSG_ERROR("Python >= 3.6 is required")])
],
[:|2|3], [],
[PYTHON_VERSION=3]
)
AM_CONDITIONAL([USING_PYTHON], [test "$PYTHON" != :])
AM_CONDITIONAL([USING_PYTHON_2], [test "x${PYTHON_VERSION%%\.*}" = x2])
AM_CONDITIONAL([USING_PYTHON_3], [test "x${PYTHON_VERSION%%\.*}" = x3])
AM_COND_IF([USING_PYTHON_2],
[AC_SUBST([PYTHON_SHEBANG], [python2])],
[AC_SUBST([PYTHON_SHEBANG], [python3])])
AC_SUBST([PYTHON_SHEBANG], [python3])
dnl #
dnl # Request that packages be built for a specific Python version.

7
config/always-pyzfs.m4
View File

@ -18,7 +18,7 @@ AC_DEFUN([ZFS_AC_PYTHON_MODULE], [
])
dnl #
dnl # Determines if pyzfs can be built, requires Python 2.7 or later.
dnl # Determines if pyzfs can be built, requires Python 3.6 or later.
dnl #
AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
AC_ARG_ENABLE([pyzfs],
@ -72,12 +72,11 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
])
dnl #
dnl # Require python-devel libraries
dnl # Require python3-devel libraries
dnl #
AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [
AS_CASE([$PYTHON_VERSION],
[3.*], [PYTHON_REQUIRED_VERSION=">= '3.4.0'"],
[2.*], [PYTHON_REQUIRED_VERSION=">= '2.7.0'"],
[3.*], [PYTHON_REQUIRED_VERSION=">= '3.6.0'"],
[AC_MSG_ERROR("Python $PYTHON_VERSION unknown")]
)

9
contrib/pyzfs/setup.py.in
View File

@ -29,13 +29,12 @@ setup(
"Development Status :: 4 - Beta",
"Intended Audience :: Developers",
"License :: OSI Approved :: Apache Software License",
"Programming Language :: Python :: 2",
"Programming Language :: Python :: 2.7",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.4",
"Programming Language :: Python :: 3.5",
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Topic :: System :: Filesystems",
"Topic :: Software Development :: Libraries",
],
@ -53,7 +52,7 @@ setup(
setup_requires=[
"cffi",
],
python_requires='>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,<4',
python_requires='>=3.6,<4',
zip_safe=False,
test_suite="libzfs_core.test",
)

82
rpm/generic/zfs.spec.in
View File

@ -3,7 +3,7 @@
# Set the default udev directory based on distribution.
%if %{undefined _udevdir}
%if 0%{?fedora} >= 17 || 0%{?rhel} >= 7 || 0%{?centos} >= 7 || 0%{?openEuler}
%if 0%{?fedora}%{?rhel}%{?centos}%{?openEuler}
%global _udevdir %{_prefix}/lib/udev
%else
%global _udevdir /lib/udev
@ -12,7 +12,7 @@
# Set the default udevrule directory based on distribution.
%if %{undefined _udevruledir}
%if 0%{?fedora} >= 17 || 0%{?rhel} >= 7 || 0%{?centos} >= 7 || 0%{?openEuler}
%if 0%{?fedora}%{?rhel}%{?centos}%{?openEuler}
%global _udevruledir %{_prefix}/lib/udev/rules.d
%else
%global _udevruledir /lib/udev/rules.d
@ -21,7 +21,7 @@
# Set the default dracut directory based on distribution.
%if %{undefined _dracutdir}
%if 0%{?fedora} >= 17 || 0%{?rhel} >= 7 || 0%{?centos} >= 7 || 0%{?openEuler}
%if 0%{?fedora}%{?rhel}%{?centos}%{?openEuler}
%global _dracutdir %{_prefix}/lib/dracut
%else
%global _dracutdir %{_prefix}/share/dracut
@ -57,64 +57,28 @@
%bcond_with asan
%bcond_with systemd
%bcond_with pam
%bcond_without pyzfs
# Generic enable switch for systemd
%if %{with systemd}
%define _systemd 1
%endif
# RHEL >= 7 comes with systemd
%if 0%{?rhel} >= 7
# Distros below support systemd
%if 0%{?rhel}%{?fedora}%{?centos}%{?suse_version}
%define _systemd 1
%endif
# Fedora >= 15 comes with systemd, but only >= 18 has
# the proper macros
%if 0%{?fedora} >= 18
%define _systemd 1
%endif
# opensuse >= 12.1 comes with systemd, but only >= 13.1
# has the proper macros
%if 0%{?suse_version} >= 1310
%define _systemd 1
%endif
# openEuler comes with systemd
%if 0%{?openEuler}
%define _systemd 1
%endif
# When not specified default to distribution provided version. This
# is normally Python 3, but for RHEL <= 7 only Python 2 is provided.
# When not specified default to distribution provided version.
%if %{undefined __use_python}
%if 0%{?rhel} && 0%{?rhel} <= 7
%define __python /usr/bin/python2
%define __python_pkg_version 2
%define __python_cffi_pkg python-cffi
%define __python_setuptools_pkg python-setuptools
%else
%define __python /usr/bin/python3
%define __python_pkg_version 3
%define __python_cffi_pkg python3-cffi
%define __python_setuptools_pkg python3-setuptools
%endif
%else
%define __python %{__use_python}
%define __python_pkg_version %{__use_python_pkg_version}
%define __python_cffi_pkg python%{__python_pkg_version}-cffi
%define __python_setuptools_pkg python%{__python_pkg_version}-setuptools
%endif
%define __python_sitelib %(%{__python} -Esc "from distutils.sysconfig import get_python_lib; print(get_python_lib())")
# By default python-pyzfs is enabled, with the exception of
# RHEL 6 which by default uses Python 2.6 which is too old.
%if 0%{?rhel} == 6
%bcond_with pyzfs
%else
%bcond_without pyzfs
%endif
Name: @PACKAGE@
Version: @VERSION@
Release: @RELEASE@%{?dist}
@ -137,7 +101,7 @@ Obsoletes: spl <= %{version}
# Renaming those on either side would conflict with all available documentation.
Conflicts: zfs-fuse
%if 0%{?rhel}%{?fedora}%{?suse_version}%{?openEuler}
%if 0%{?rhel}%{?centos}%{?fedora}%{?suse_version}%{?openEuler}
BuildRequires: gcc, make
BuildRequires: zlib-devel
BuildRequires: libuuid-devel
@ -290,7 +254,7 @@ Requires: sudo
Requires: sysstat
Requires: libaio
Requires: python%{__python_pkg_version}
%if 0%{?rhel}%{?fedora}%{?suse_version}%{?openEuler}
%if 0%{?rhel}%{?centos}%{?fedora}%{?suse_version}%{?openEuler}
BuildRequires: libaio-devel
%endif
AutoReqProv: no
@ -313,6 +277,8 @@ This package contains a dracut module used to construct an initramfs
image which is ZFS aware.
%if %{with pyzfs}
# Enforce `python36-` package prefix for CentOS 7
# since dependencies come from EPEL and are named this way
%package -n python%{__python_pkg_version}-pyzfs
Summary: Python %{python_version} wrapper for libzfs_core
Group: Development/Languages/Python
@ -322,16 +288,26 @@ Requires: libzfs5 = %{version}-%{release}
Requires: libnvpair3 = %{version}-%{release}
Requires: libffi
Requires: python%{__python_pkg_version}
Requires: %{__python_cffi_pkg}
%if 0%{?rhel}%{?fedora}%{?suse_version}%{?openEuler}
%if 0%{?rhel} >= 8 || 0%{?centos} >= 8 || 0%{?fedora} >= 28 || 0%{?openEuler}
BuildRequires: python3-packaging
%if 0%{?centos} == 7
Requires: python36-cffi
%else
BuildRequires: python-packaging
Requires: python%{__python_pkg_version}-cffi
%endif
%if 0%{?rhel}%{?centos}%{?fedora}%{?suse_version}%{?openEuler}
%if 0%{?centos} == 7
BuildRequires: python36-packaging
BuildRequires: python36-devel
BuildRequires: python36-cffi
BuildRequires: python36-setuptools
%else
BuildRequires: python%{__python_pkg_version}-packaging
BuildRequires: python%{__python_pkg_version}-devel
BuildRequires: %{__python_cffi_pkg}
BuildRequires: %{__python_setuptools_pkg}
BuildRequires: python%{__python_pkg_version}-cffi
BuildRequires: python%{__python_pkg_version}-setuptools
%endif
BuildRequires: libffi-devel
%endif
@ -490,7 +466,7 @@ systemctl --system daemon-reload >/dev/null || true
%{_bindir}/raidz_test
%{_sbindir}/zgenhostid
%{_bindir}/zvol_wait
# Optional Python 2/3 scripts
# Optional Python 3 scripts
%{_bindir}/arc_summary
%{_bindir}/arcstat
%{_bindir}/dbufstat

14
tests/test-runner/bin/test-runner.py.in
View File

@ -15,19 +15,14 @@
# Copyright (c) 2012, 2018 by Delphix. All rights reserved.
# Copyright (c) 2019 Datto Inc.
#
# This script must remain compatible with Python 2.6+ and Python 3.4+.
# This script must remain compatible with Python 3.6+.
#
# some python 2.7 system don't have a configparser shim
try:
import configparser
except ImportError:
import ConfigParser as configparser
import os
import sys
import ctypes
import re
import configparser
from datetime import datetime
from optparse import OptionParser
@ -38,7 +33,7 @@ from subprocess import PIPE
from subprocess import Popen
from subprocess import check_output
from threading import Timer
from time import time
from time import time, CLOCK_MONOTONIC_RAW
from os.path import exists
BASEDIR = '/var/tmp/test_results'
@ -52,9 +47,6 @@ LOG_OUT = 'LOG_OUT'
LOG_ERR = 'LOG_ERR'
LOG_FILE_OBJ = None
# some python 2.7 system don't have a concept of monotonic time
CLOCK_MONOTONIC_RAW = 4 # see <linux/time.h>
class timespec(ctypes.Structure):
_fields_ = [

10
tests/test-runner/bin/zts-report.py.in
View File

@ -15,7 +15,7 @@
# Copyright (c) 2017 by Delphix. All rights reserved.
# Copyright (c) 2018 by Lawrence Livermore National Security, LLC.
#
# This script must remain compatible with Python 2.6+ and Python 3.4+.
# This script must remain compatible with Python 3.6+.
#
import os
@ -62,13 +62,13 @@ known_reason = 'Known issue'
exec_reason = 'Test user execute permissions required for utilities'
#
# Some tests require a minimum python version of 3.5 and will be skipped when
# Some tests require a minimum python version of 3.6 and will be skipped when
# the default system version is too old. There may also be tests which require
# additional python modules be installed, for example python-cffi is required
# additional python modules be installed, for example python3-cffi is required
# by the pyzfs tests.
#
python_reason = 'Python v3.5 or newer required'
python_deps_reason = 'Python modules missing: python-cffi'
python_reason = 'Python v3.6 or newer required'
python_deps_reason = 'Python modules missing: python3-cffi'
#
# Some tests require the O_TMPFILE flag which was first introduced in the

2
tests/zfs-tests/include/commands.cfg
View File

@ -70,8 +70,6 @@ export SYSTEM_FILES_COMMON='arp
printf
ps
pwd
python
python2
python3
quotaon
readlink

16
tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
View File

@ -92,27 +92,13 @@ typeset -a pos_cmds_out=(
}
}")
#
# N.B. json.tool is needed to guarantee consistent ordering of fields,
# sed is needed to trim trailing space in CentOS 6's json.tool output
#
# As of Python 3.5 the behavior of json.tool changed to keep the order
# the same as the input and the --sort-keys option was added. Detect when
# --sort-keys is supported and apply the option to ensure the expected order.
#
if python -m json.tool --sort-keys <<< "{}"; then
JSON_TOOL_CMD="python -m json.tool --sort-keys"
else
JSON_TOOL_CMD="python -m json.tool"
fi
typeset -i cnt=0
typeset cmd
for cmd in ${pos_cmds[@]}; do
log_must zfs program $TESTPOOL $TESTZCP $TESTDS $cmd 2>&1
log_must zfs program -j $TESTPOOL $TESTZCP $TESTDS $cmd 2>&1
OUTPUT=$(zfs program -j $TESTPOOL $TESTZCP $TESTDS $cmd 2>&1 |
$JSON_TOOL_CMD | sed 's/[[:space:]]*$//')
python3 -m json.tool --sort-keys)
if [ "$OUTPUT" != "${pos_cmds_out[$cnt]}" ]; then
log_note "Got :$OUTPUT"
log_note "Expected:${pos_cmds_out[$cnt]}"

2
tests/zfs-tests/tests/functional/pyzfs/pyzfs_unittest.ksh.in
View File

@ -30,7 +30,7 @@ verify_runnable "global"
# Verify that the required dependencies for testing are installed.
@PYTHON@ -c "import cffi" 2>/dev/null
if [ $? -eq 1 ]; then
log_unsupported "python-cffi not found by Python"
log_unsupported "python3-cffi not found by Python"
fi
# We don't just try to "import libzfs_core" because we want to skip these tests

2
tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh
View File

@ -87,7 +87,7 @@ log_must xattrtest -f 10 -x 3 -s 32768 -r -k -p /$TESTPOOL/$TESTFS2/xattrsadir
# OpenZFS issue #7432
log_must zfs set compression=on xattr=sa $TESTPOOL/$TESTFS2
log_must touch /$TESTPOOL/$TESTFS2/attrs
log_must eval "python -c 'print \"a\" * 4096' | \
log_must eval "python3 -c 'print \"a\" * 4096' | \
set_xattr_stdin bigval /$TESTPOOL/$TESTFS2/attrs"
log_must zfs set compression=off xattr=on $TESTPOOL/$TESTFS2

2
tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh
View File

@ -88,7 +88,7 @@ log_must zfs snapshot $POOL/fs@c
# 4. Create an empty file and add xattrs to it to exercise reclaiming a
# dnode that requires more than 1 slot for its bonus buffer (Zol #7433)
log_must zfs set compression=on xattr=sa $POOL/fs
log_must eval "python -c 'print \"a\" * 512' |
log_must eval "python3 -c 'print \"a\" * 512' |
set_xattr_stdin bigval /$POOL/fs/attrs"
log_must zfs snapshot $POOL/fs@d