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|
#!/bin/bash
# avr-evtd Event script
#
# Sample Event Script written by Bob Perry
# NOTE: No longer syncronous with avr-evtd process: maybe more than
# one instance of this script running
#
# Enters via the avr-evtd daemon with the following command options:
# 0 - Special event following double press of the 'red' reset button
# 1 - AVR device has requested a halt due to error
# 2 - Shutdown request from timed shutdown logic
# 3 - User has released the power button
# 4 - User has pressed the power button
# 5 - User has released the 'red' reset button
# 6 - User has pressed the reset button
# 7 - User has held the power button > 3 seconds
# 8 - User has held the reset button > 3 seconds
# 9 - Disk used beyond DISKCHECK%
# F - Fan failure event, fan stopped for > FANSTOP seconds
# E - User selected EM-Mode
# S - Five minute shutdown warning event
# D - Error message handler
DEVICE=$2
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
tag=avr-daemon
facility=user.info
#
# Populate the configured settings
#
if [ -f /etc/default/avr-evtd ]; then
. /etc/default/avr-evtd
fi
if [ "$DEBUG" = "ON" ] && [ -d "$LOG" ]; then
echo "`date` command is $1[$3] for $DEVICE" >> $LOG/avr-evtd.log
fi
case "$1" in
0)
case "$3" in
1) # Indicate this mode by flashing the DISK FULL LED
echo -n "YYYY" > $DEVICE
# Add an EM IP address or if no ethernet, start it up
FAIL=1
route -n | grep -q eth0 && FAIL=0
if [ "$FAIL" -eq 0 ]; then
FAIL=1
route -n | grep -q 192.168.11.0 && FAIL=0
if [ "$FAIL" -eq 1 ]; then
ifconfig eth0:EM 192.168.11.150 netmask 255.255.255.0 up
fi
else
/sbin/ifup --force -a -i /etc/avr-evtd/emergency-eth0
sleep 1
route add -net 192.168.11.0 netmask 255.255.255.255.0 eth0:EM
fi
if [ -e /sbin/utelnetd ]; then
utelnetd -p 1234 -l /bin/bash &
if [ -e /etc/init.d/apservd ]; then
chmod +x /etc/init.d/apservd
/etc/init.d/apservd start
fi
fi ;;
3) # Flash more lights to indicate we are desperate
echo -n "SSSS" > $DEVICE
if [ ! -e /etc/passwd.em ]; then cp -f /etc/passwd /etc/passwd.em ; fi
if [ ! -e /etc/shadow.em ]; then cp -f /etc/shadow /etc/shadow.em ; fi
if [ ! -e /etc/group.em ]; then cp -f /etc/group /etc/group.em ; fi
if [ ! -e /etc/gshadow.em ]; then cp -f /etc/gshadow /etc/gshadow.em ; fi
if [ ! -e /etc/issue.net.em ]; then cp -f /etc/issue.net /etc/issue.net.em ; fi
tar xvf /etc/avr-evtd/recovery.tar
;;
*)
exit -2
;;
esac
;;
3)
echo -n "[avr-evtd]: Power Button Up"
;;
4)
echo -n "[avr-evtd]: Power Button Down"
;;
5)
echo -n "[avr-evtd]: Reset Button Up"
;;
6)
echo -n "[avr-evtd]: Reset Button Down"
;;
1|2|7)
echo -n "[avr-evtd]: Shutdown"
echo -n "]]]]EEEE" > $DEVICE
# Perform shutdown request
shutdown -h now
;;
8)
echo -n "[avr-evtd]: User demanded reset"
echo -n "]]]]CCCC" > $DEVICE
# Perform reboot
reboot
;;
9)
if [ "$3" -eq 0 ]; then
echo -n "[avr-evtd]: Disk usage now safe"
else
echo -n "[avr-evtd]: Disk used $3% > Monitored $DISKCHECK%"
fi
;;
E)
echo -n "[avr-evtd]: EM mode selected"
if [ "$EMMODE" = "YES" ]; then
# Determine flash block to use, default to 2
if [ -f /proc/mtd ]; then
MTD=`cat /proc/mtd | grep mtd_status`
BLOCK_ID=${MTD:3:1}
if [ -z "$BLOCK_ID" ]; then BLOCK_ID=2 ; fi
FLASH=/dev/mtdblock$BLOCK_ID
else
ls -al /dev/fl3 | grep -q "250,[ ]*3" && FLASH=/dev/fl3
fi
# Flash device available?
if [ -n "$FLASH" ]; then
# Check we are dealing with a buffered device?
if [ ! -b $FLASH ]; then
echo "$FLASH device does not exist, no EM-Mode available" >&2
else
DUMP=`cat $FLASH`
STATE=${DUMP:2:4}
# Check state is currently NORMAL
if [ "$STATE" = "OKOK" ]; then
echo -n "NGNGNG" > $FLASH
fi
echo -n "]]]]CCCC" > $DEVICE
/sbin/reboot
fi
fi
fi
;;
F)
echo -n "[avr-evtd]: Fan failure detected"
if [ "$3" -eq 0 ]; then
logger -p user.emerg -i 'AVR Detected fan fault'
fi
if [ "$3" -eq 4 ]; then
# Illuminate relevant LED and wait for AVR halt message
echo -n "iiii" > $DEVICE
fi
;;
S)
if [ "$3" -gt 100 ]; then
MESSAGE="System shutdown in less than 5 minutes"
else
MESSAGE="Shutdown delayed by $3 minutes"
fi
# Produce relevant message
logger -p user.emerg -i $MESSAGE
;;
D)
MESSAGE="[$3] Error with configuration file"
logger -t $tag -p $facility -i $MESSAGE
;;
*)
exit 1
;;
esac
exit 0
|
