SOURCES: netconsole.init (NEW), netconsole.sysconfig (NEW) - based...

[glen]

Author: glen                         Date: Fri Jan  6 20:47:02 2006 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- based on files found from cancd portage files

---- Files affected:
SOURCES:
   netconsole.init (NONE -> 1.1)  (NEW), netconsole.sysconfig (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/netconsole.init
diff -u /dev/null SOURCES/netconsole.init:1.1
--- /dev/null	Fri Jan  6 21:47:02 2006
+++ SOURCES/netconsole.init	Fri Jan  6 21:46:57 2006
@@ -0,0 +1,134 @@
+#!/bin/sh
+#
+# netconsole assisted netconsole module loading
+#
+# chkconfig:	2345 29 20
+#
+# description:	This initscript loads netconsole kernel module.
+#
+# $Id$
+
+# Source function library
+. /etc/rc.d/init.d/functions
+
+# Get network config
+. /etc/sysconfig/network
+
+# Get service config - may override defaults
+[ -f /etc/sysconfig/netconsole ] && . /etc/sysconfig/netconsole
+
+# Check that networking is up.
+if is_yes "${NETWORKING}"; then
+	if [ ! -f /var/lock/subsys/network ]; then
+		msg_network_down netconsole
+		exit 1
+	fi
+else
+	exit 0
+fi
+
+eerror() {
+	echo >&2 "$*"
+	log_failed "$*"
+}
+
+checkconfig() {
+	# kernel uses 15 internally
+	if [ "$LOGLEVEL" -lt 0 -o "${LOGLEVEL}" -gt 15 ]; then
+		eerror "Invalid kernel console loglevel."
+		return 1
+	fi
+
+	if [ "$SRC_PORT" -le 0 ]; then
+		eerror "Invalid source port."
+		return 1
+	fi
+
+	LC_ALL=C /sbin/ifconfig "${DEVICE}" 1>/dev/null 2>/dev/null
+	ret=$?
+
+	if [ -z "${DEVICE}" -o "${ret}" -gt 0 ]; then
+		eerror "Source device invalid."
+		return 1
+	fi
+
+	if [ "$TGT_PORT" -le 0 ]; then
+		eerror "Invalid target port."
+		return 1
+	fi
+
+	if [ -z "$TGT_IP" ]; then
+		eerror "Unspecified target address."
+		return 1
+	fi
+
+	return 0
+}
+
+start() {
+	checkconfig || return 1
+	if [ -z "${TGT_MAC}" ]; then
+		LC_ALL=C /bin/ping -nq -c 3 "${TGT_IP}" -I "${DEVICE}" 1>/dev/null 2>/dev/null
+		ret=$?
+		# ping worked, try arp
+		if [ $ret -eq 0 ]; then
+			TGT_MAC="$(LC_ALL=C arp -an -i ${DEVICE} ${TGT_IP} |egrep -v 'incomplete|no match' | awk '{print $4}')"
+		fi
+	elif [ "${TGT_MAC}" == "broadcast" ]; then
+		TGT_MAC=''
+	fi
+
+	nls "Starting netconsole %s:%d(%s) -> %s:%d %s" "${SRC_IP}" "${SRC_PORT}" "${DEVICE}" "${TGT_IP}" "${TGT_PORT}" "${TGT_MAC}"
+	# else we use the MAC that we are given
+	modprobe netconsole netconsole=${SRC_PORT}@${SRC_IP}/${DEVICE},${TGT_PORT}@${TGT_IP}/${TGT_MAC}
+	ret=$?
+	[ $ret -eq 0 ] && dmesg -n ${LOGLEVEL}
+}
+
+stop() {
+	msg "Stopping netconsole"
+	modprobe -r netconsole
+	rc=$?
+	[ "$rc" = 0 ] && ok || fail
+	return $rc
+}
+
+# See how we were called.
+case "$1" in
+  start)
+	# Check if the service is already running?
+	if [ ! -f /var/lock/subsys/netconsole ]; then
+		start
+		RETVAL=$?
+		[ $RETVAL -eq 0 ] && touch /var/lock/subsys/netconsole
+	else
+		msg_already_running netconsole
+	fi
+	;;
+  stop)
+	if [ -f /var/lock/subsys/netconsole ]; then
+		stop
+		RETVAL=$?
+		[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/netconsole
+	else
+		msg_not_running netconsole
+	fi
+	;;
+  restart|force-reload)
+	$0 stop
+	$0 start
+	exit $?
+	;;
+  status)
+	status netconsole
+	RETVAL=$?
+	;;
+  *)
+	msg_usage "$0 {start|stop|restart|force-reload|status}"
+	exit 3
+esac
+
+exit $RETVAL
+
+# This must be last line !
+# vi:syntax=sh

================================================================
Index: SOURCES/netconsole.sysconfig
diff -u /dev/null SOURCES/netconsole.sysconfig:1.1
--- /dev/null	Fri Jan  6 21:47:02 2006
+++ SOURCES/netconsole.sysconfig	Fri Jan  6 21:46:57 2006
@@ -0,0 +1,28 @@
+# $Id$
+# Customized settings for netconsole module
+
+# required!
+# target ip
+TGT_IP=""
+
+DEVICE=eth0
+
+# source ip
+SRC_IP=''
+# will default to first address on $DEVICE
+# must be specified if the device does not have an IP at init time
+SRC_PORT=6665 # default
+
+# netconsole.txt says 6666 is the default
+TGT_PORT=6666
+
+# if you want to broadcast, specify 'broadcast' here.
+# it's a security hole on an untrusted network.
+TGT_MAC=""
+
+LOGLEVEL="1"
+# LOGLEVEL are the kernel console logging levels
+# [0..7] = EMERG,ALERT,CRIT,ERR,WARNING,NOTICE,INFO,DEBUG
+# 1 means only kernel panics are reported (default)
+# this affects all console logging
+# see syslog(2) for more info
================================================================