38 lines
1.9 KiB
Diff
38 lines
1.9 KiB
Diff
From d0d2a0ff92dd23ee36cb57324c1eeaa3daed65bc Mon Sep 17 00:00:00 2001
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From: Oyvind Albrigtsen <oalbrigt@redhat.com>
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Date: Tue, 4 Feb 2025 16:13:27 +0100
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Subject: [PATCH] findif.sh: fix to avoid duplicate route issues
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---
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heartbeat/findif.sh | 14 +++++---------
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1 file changed, 5 insertions(+), 9 deletions(-)
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diff --git a/heartbeat/findif.sh b/heartbeat/findif.sh
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index 2ae91e958..6fb47110c 100644
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--- a/heartbeat/findif.sh
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+++ b/heartbeat/findif.sh
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@@ -217,18 +217,14 @@ findif()
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fi
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if [ -n "$nic" ] ; then
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# NIC supports more than two.
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- routematch=$(ip -o -f $family route list match $match $proto $scope | grep -v "^\(unreachable\|prohibit\|blackhole\)" | grep "dev $nic " | sed -e 's,^\([0-9.]\+\) ,\1/32 ,;s,^\([0-9a-f:]\+\) ,\1/128 ,' | sort -t/ -k2,2nr)
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+ routematch=$(ip -o -f $family route list match $match $proto $scope | grep "dev $nic " | sed -e 's,^\([0-9.]\+\) ,\1/32 ,;s,^\([0-9a-f:]\+\) ,\1/128 ,' | sort -t/ -k2,2nr)
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else
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- routematch=$(ip -o -f $family route list match $match $proto $scope | grep -v "^\(unreachable\|prohibit\|blackhole\)" | sed -e 's,^\([0-9.]\+\) ,\1/32 ,;s,^\([0-9a-f:]\+\) ,\1/128 ,' | sort -t/ -k2,2nr)
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- fi
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- if [ "$family" = "inet6" ]; then
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- routematch=$(echo "$routematch" | grep -v "^default")
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+ routematch=$(ip -o -f $family route list match $match $proto $scope | sed -e 's,^\([0-9.]\+\) ,\1/32 ,;s,^\([0-9a-f:]\+\) ,\1/128 ,' | sort -t/ -k2,2nr)
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fi
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- if [ $(echo "$routematch" | wc -l) -gt 1 ]; then
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- ocf_exit_reason "More than 1 routes match $match. Unable to decide which route to use."
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- return $OCF_ERR_GENERIC
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- fi
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+ # ignore matches from unrelated tables, and sort by metric to get the route with the lowest metric
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+ routematch=$(echo "$routematch" | awk '!/^(default|unreachable|prohibit|blackhole)/{match($0, /metric ([^ ]+)/, arr); print arr[1], $0}' | sort -k 1n -u | cut -d" " -f 2- | head -1)
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+
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set -- $routematch
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if [ $# = 0 ] ; then
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case $OCF_RESKEY_ip in
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