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Netconsole random fixes #485

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merged 4 commits into from
Aug 27, 2024
Merged

Netconsole random fixes #485

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0f85a3d
netconsole: remove trailing whitespaces
lnykryn Aug 27, 2024
370b5f4
netconsole: remove unused variables
lnykryn Aug 27, 2024
3e54b73
netconsole: source sysconfig/network only if it exists
lnykryn Aug 27, 2024
b12aa8a
netconsole: var/lock -> run/lock
lnykryn Aug 27, 2024
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26 changes: 10 additions & 16 deletions usr/libexec/netconsole
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
#!/bin/bash
#
#
# netconsole This loads the netconsole module with the configured parameters.
#
# chkconfig: - 50 50
Expand All @@ -20,10 +20,8 @@

PATH=/sbin:/usr/sbin:$PATH
RETVAL=0
SERVER_ADDRESS_RESOLUTION=

# Check that networking is up.
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. /etc/sysconfig/network
[ -f /etc/sysconfig/network ] && . /etc/sysconfig/network

# Source function library.
. /etc/rc.d/init.d/functions
Expand All @@ -36,8 +34,6 @@ SYSLOGADDR=
SYSLOGPORT=514
SYSLOGMACADDR=

kernel=$(uname -r | cut -d. -f1-2)

usage ()
{
echo $"Usage: $0 {start|stop|status|restart|condrestart}" 1>&2
Expand All @@ -50,7 +46,7 @@ print_address_info ()
local route via target

route=$(LANG=C ip -o route get to $host/32)

[ -z "$DEV" ] && DEV=$(echo $route | sed "s|.* dev \([^ ]*\).*|\1|")
echo "DEV=$DEV"
echo "LOCALADDR=$(echo $route | sed "s|.* src \([^ ]*\).*|\1|")"
Expand All @@ -63,9 +59,9 @@ print_address_info ()
if [ -z "$SYSLOGMACADDR" ]; then
arp=$(LANG=C /sbin/arping -f -c 1 -I $DEV $target 2>/dev/null | awk '/ reply from .*[.*]/ { print gensub(".* reply from .* \\[(.*)\\].*","\\1","G"); exit }')
[ -n "$arp" ] && echo "SYSLOGMACADDR=$arp"
fi
}
fi
}

start ()
{
[ -f /etc/sysconfig/netconsole ] || exit 6
Expand Down Expand Up @@ -101,7 +97,7 @@ start ()
exit 6
fi
eval $(print_address_info $SYSLOGADDR)

if [ -z "$SYSLOGMACADDR" ]; then
echo $"netconsole: can't resolve MAC address of $SYSLOGADDR" 1>&2
exit 1
Expand All @@ -116,7 +112,7 @@ start ()
$SYSLOGOPTS
[ "$?" != "0" ] && RETVAL=1
fi
touch /var/lock/subsys/netconsole
touch /run/lock/subsys/netconsole
}

stop ()
Expand All @@ -126,7 +122,7 @@ stop ()
[ "$?" != "0" ] && RETVAL=1
fi

rm -f /var/lock/subsys/netconsole
rm -f /run/lock/subsys/netconsole
}

status ()
Expand All @@ -140,7 +136,6 @@ status ()
fi
}


restart ()
{
stop
Expand All @@ -149,10 +144,9 @@ restart ()

condrestart ()
{
[ -e /var/lock/subsys/netconsole ] && restart
[ -e /run/lock/subsys/netconsole ] && restart
}


case "$1" in
stop) stop ;;
status) status ;;
Expand Down