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From 091a6d1f26140651b7314cfb618c80f9258fd1d4 Mon Sep 17 00:00:00 2001
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From: Oyvind Albrigtsen <oalbrigt@redhat.com>
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Date: Tue, 5 May 2020 14:20:43 +0200
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Subject: [PATCH] exportfs: add symlink support
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based on implementation in Filesystem agent
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---
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heartbeat/exportfs | 30 ++++++++++++++++++++++--------
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1 file changed, 22 insertions(+), 8 deletions(-)
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diff --git a/heartbeat/exportfs b/heartbeat/exportfs
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index 1cabdee70..294d7eec9 100755
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--- a/heartbeat/exportfs
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+++ b/heartbeat/exportfs
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@@ -450,14 +450,28 @@ exportfs_validate_all ()
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fi
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}
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-# If someone puts a trailing slash at the end of the export directory,
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-# this agent is going to fail in some unexpected ways due to how
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-# export strings are matched. The simplest solution here is to strip off
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-# a trailing '/' in the directory before processing anything.
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-newdir=$(echo "$OCF_RESKEY_directory" | sed -n -e 's/^\(.*\)\/$/\1/p')
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-if [ -n "$newdir" ]; then
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- OCF_RESKEY_directory=$newdir
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-fi
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+for dir in $OCF_RESKEY_directory; do
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+ # strip off trailing '/' from directory
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+ dir=$(echo $dir | sed 's/\/*$//')
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+ : ${dir:=/}
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+ if [ -e "$dir" ] ; then
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+ canonicalized_dir=$(readlink -f "$dir")
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+ if [ $? -ne 0 ]; then
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+ if [ "$__OCF_ACTION" != "stop" ]; then
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+ ocf_exit_reason "Could not canonicalize $dir because readlink failed"
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+ exit $OCF_ERR_GENERIC
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+ fi
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+ fi
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+ else
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+ if [ "$__OCF_ACTION" != "stop" ]; then
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+ ocf_exit_reason "$dir does not exist"
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+ exit $OCF_ERR_CONFIGURED
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+ fi
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+ fi
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+ directories+="$canonicalized_dir "
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+done
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+
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+OCF_RESKEY_directory="${directories%% }"
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NUMDIRS=`echo "$OCF_RESKEY_directory" | wc -w`
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OCF_REQUIRED_PARAMS="directory fsid clientspec"
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