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ctdb-scripts: Factor out function kill_tcp_summarise()

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This will be used in a slightly different context in a subsequent
commit.  In that case, the number of killed connections will be passed
instead of the total number of connections, so support this here via
different modes instead of churning later.

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jerry Heyman <jheyman@ddn.com>
This commit is contained in:
Martin Schwenke 2023-08-25 10:00:57 +10:00 committed by Martin Schwenke
parent 590a86dbe4
commit 19e65f4012
1 changed files with 33 additions and 16 deletions
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49
ctdb/config/functions
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@ -509,6 +509,38 @@ ctdb_check_unix_socket()
################################################
# kill off any TCP connections with the given IP
################################################
kill_tcp_summarise()
{
_mode="$1"
_count="$2"
_connections=$(get_tcp_connections_for_ip "$_ip")
if [ -z "$_connections" ]; then
_remaining=0
else
_remaining=$(echo "$_connections" | wc -l)
fi
case "$_mode" in
total)
_total="$_count"
_killed=$((_total - _remaining))
;;
killed)
_killed="$_count"
_total=$((_killed + _remaining))
;;
esac
_t="${_killed}/${_total}"
echo "Killed ${_t} TCP connections to released IP ${_ip}"
if [ -n "$_connections" ]; then
echo "Remaining connections:"
echo "$_connections" | sed -e 's|^| |'
fi
}
kill_tcp_connections()
{
_iface="$1"
@ -556,22 +588,7 @@ kill_tcp_connections()
return
}
_connections=$(get_tcp_connections_for_ip "$_ip")
if [ -z "$_connections" ]; then
_remaining=0
else
_remaining=$(echo "$_connections" | wc -l)
fi
_actually_killed=$((_killcount - _remaining))
_t="${_actually_killed}/${_killcount}"
echo "Killed ${_t} TCP connections to released IP $_ip"
if [ -n "$_connections" ]; then
echo "Remaining connections:"
echo "$_connections" | sed -e 's|^| |'
fi
kill_tcp_summarise "total" "$_killcount"
}
}