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From 55d945603bb52f0787c5200118673d6206ec3492 Mon Sep 17 00:00:00 2001
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From: Sunny Kumar <sunkumar@redhat.com>
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Date: Fri, 12 Apr 2019 19:55:10 +0530
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Subject: [PATCH 106/124] libgfchangelog : use find_library to locate shared
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library
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Issue:
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libgfchangelog.so: cannot open shared object file
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Due to hardcoded shared library name runtime loader looks for particular version of
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a shared library.
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Solution:
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Using find_library to locate shared library at runtime solves this issue.
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Traceback (most recent call last):
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File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line 323, in main
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func(args)
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File "/usr/libexec/glusterfs/python/syncdaemon/subcmds.py", line 82, in subcmd_worker
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local.service_loop(remote)
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File "/usr/libexec/glusterfs/python/syncdaemon/resource.py", line 1261, in service_loop
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changelog_agent.init()
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File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 233, in __call__
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return self.ins(self.meth, *a)
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File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 215, in __call__
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raise res
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OSError: libgfchangelog.so: cannot open shared object file: No such file or directory
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>Upstream Patch: https://review.gluster.org/#/c/glusterfs/+/22557/
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>Change-Id: I3dd013d701ed1cd99ba7ef20d1898f343e1db8f5
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>fixes: bz#1699394
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>Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
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fixes: bz#1699271
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Change-Id: If8b5827cdac658eb3a211109bd397db9a6fee8e6
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Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/167907
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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---
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geo-replication/syncdaemon/libgfchangelog.py | 3 ++-
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tools/glusterfind/src/libgfchangelog.py | 7 +++----
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xlators/features/changelog/lib/examples/python/libgfchangelog.py | 4 +++-
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3 files changed, 8 insertions(+), 6 deletions(-)
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diff --git a/geo-replication/syncdaemon/libgfchangelog.py b/geo-replication/syncdaemon/libgfchangelog.py
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index fff9d24..8d12956 100644
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--- a/geo-replication/syncdaemon/libgfchangelog.py
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+++ b/geo-replication/syncdaemon/libgfchangelog.py
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@@ -10,13 +10,14 @@
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import os
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from ctypes import CDLL, RTLD_GLOBAL, get_errno, byref, c_ulong
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+from ctypes.util import find_library
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from syncdutils import ChangelogException, ChangelogHistoryNotAvailable
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from py2py3 import gr_cl_history_changelog, gr_cl_done, gr_create_string_buffer
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from py2py3 import gr_cl_register, gr_cl_history_done, bytearray_to_str
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class Changes(object):
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- libgfc = CDLL("libgfchangelog.so", mode=RTLD_GLOBAL,
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+ libgfc = CDLL(find_library("gfchangelog"), mode=RTLD_GLOBAL,
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use_errno=True)
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@classmethod
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diff --git a/tools/glusterfind/src/libgfchangelog.py b/tools/glusterfind/src/libgfchangelog.py
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index 1ef177a..513bb10 100644
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--- a/tools/glusterfind/src/libgfchangelog.py
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+++ b/tools/glusterfind/src/libgfchangelog.py
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@@ -9,8 +9,8 @@
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# cases as published by the Free Software Foundation.
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import os
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-from ctypes import CDLL, get_errno, create_string_buffer, c_ulong, byref
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-from ctypes import RTLD_GLOBAL
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+from ctypes import CDLL, RTLD_GLOBAL, get_errno, create_string_buffer, c_ulong, byref
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+from ctypes.util import find_library
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from gfind_py2py3 import bytearray_to_str, gf_create_string_buffer
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from gfind_py2py3 import gfind_history_changelog, gfind_changelog_register
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from gfind_py2py3 import gfind_history_changelog_done
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@@ -19,8 +19,7 @@ from gfind_py2py3 import gfind_history_changelog_done
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class ChangelogException(OSError):
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pass
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-
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-libgfc = CDLL("libgfchangelog.so", use_errno=True, mode=RTLD_GLOBAL)
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+libgfc = CDLL(find_library("gfchangelog"), mode=RTLD_GLOBAL, use_errno=True)
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def raise_oserr(prefix=None):
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diff --git a/xlators/features/changelog/lib/examples/python/libgfchangelog.py b/xlators/features/changelog/lib/examples/python/libgfchangelog.py
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index 2cdbf11..2da9f2d 100644
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--- a/xlators/features/changelog/lib/examples/python/libgfchangelog.py
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+++ b/xlators/features/changelog/lib/examples/python/libgfchangelog.py
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@@ -1,8 +1,10 @@
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import os
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from ctypes import *
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+from ctypes.util import find_library
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class Changes(object):
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- libgfc = CDLL("libgfchangelog.so", mode=RTLD_GLOBAL, use_errno=True)
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+ libgfc = CDLL(find_library("gfchangelog"), mode=RTLD_GLOBAL,
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+ use_errno=True)
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@classmethod
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def geterrno(cls):
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--
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1.8.3.1
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