routing/check_net
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Fix some minor error. Add debug messages.

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This commit is contained in:
Christoph 2019-12-12 02:22:55 +01:00
parent 2549628263
commit 99ac83a6a8
2 changed files with 40 additions and 6 deletions
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5
check_net.conf.sample
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@ -11,6 +11,11 @@ netconfig_script=/usr/local/sbin/netconfig.sh
log_file=/var/log/check_net.log
# - If no inet device is online at startup, no ping address can be determined and further on
# - no online test is possible. So use this ip-address as backup ping address.
# -
BACKUP_PING_ADDR="8.8.8.8"
# - Put in your DSL devices (refers to your network configuration)
# - youe wish be congigured by that script

41
check_net.sh
View File

@ -60,10 +60,19 @@ set_ping_addresses () {
if [ ${#ping_ip_arr[@]} -lt 1 ]; then
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Setting IP-Address(es) for ping test FAILED!" >> $log_file
if [[ ${#previous_ping_ip_arr[@]} -gt 0 ]] ; then
ping_ip_arr=("${previous_ping_ip_arr[@]}")
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] Take IP-Address(es) from previous ping test:" >> $log_file
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] ${ping_ip_arr[@]}" >> $log_file
else
ping_ip_arr+=("$BACKUP_PING_ADDR")
fi
else
if $DEBUG ; then
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] IP-Addresses for ping tests set to ${ping_ip_arr[@]}" >> $log_file
fi
unset previous_ping_ip_arr
previous_ping_ip_arr=("${ping_ip_arr[@]}")
fi
}
usage() {
@ -123,12 +132,12 @@ if mkdir "$LOCK_DIR" 2> /dev/null ; then
else
datum=`date +"%d.%m.%Y"`
msg="[ Error ]: A previos instance of script \"`basename $0`\" seems already be running.\n\n Exiting now.."
msg="[ Error ]: A previous instance of script \"`basename $0`\" seems already be running.\n\n Exiting now.."
echo -e "To:${admin_email}\n${content_type}\nSubject:DSL Script Error $company -- $datum\n\n${msg}\n" | /usr/sbin/sendmail -F "DSL Monitoring $company" -f $from_address $admin_email 2> /dev/null
if $LOGGING_CONSOLE ; then
echo ""
echo "[ Error ]: A previos instance script \"`basename $0`\" seems already be running."
echo "[ Error ]: A previous instance script \"`basename $0`\" seems already be running."
echo ""
echo " Exiting now.."
echo ""
@ -209,6 +218,7 @@ for inet_device in "${online_devices_arr[@]}" ; do
done
declare -a ping_ip_arr;
declare -a previous_ping_ip_arr;
#echo "--"
@ -308,8 +318,17 @@ while true ; do
else
failed=true
for _key in ${!ping_ip_arr[@]} ; do
/sbin/ip rule add to ${ping_ip_arr[$_key]} table $rt_name
if ping -q -c2 ${ping_ip_arr[$_key]} >/dev/null 2>&1 ; then
if $DEBUG ; then
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] route add -net ${ping_ip_arr[$_key]} netmask 255.255.255.255 gw $remote_gw_address" >> $log_file
fi
#/sbin/ip rule add to ${ping_ip_arr[$_key]} table $rt_name
route add -net ${ping_ip_arr[$_key]} netmask 255.255.255.255 gw $remote_gw_address
if $DEBUG ; then
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] ping4 -I $inet_device -q -c2 ${ping_ip_arr[$_key]}" >> $log_file
fi
#if ping -q -c2 ${ping_ip_arr[$_key]} >/dev/null 2>&1 ; then
if ping4 -I $inet_device -q -c2 ${ping_ip_arr[$_key]} >/dev/null 2>&1 ; then
if $DEBUG ; then
_local_gw=`curl -4 https://meine-ip.oopen.de 2> /dev/null`
if [ -n "$_local_gw" ]; then
@ -317,12 +336,22 @@ while true ; do
fi
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] Ping test (to ${ping_ip_arr[$_key]}) for device \"${inet_device}\" was successful." >> $log_file
fi
/sbin/ip rule del to ${ping_ip_arr[$_key]} table $rt_name
if $DEBUG ; then
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] route del -net ${ping_ip_arr[$_key]} netmask 255.255.255.255 gw $remote_gw_address" >> $log_file
fi
#/sbin/ip rule del to ${ping_ip_arr[$_key]} table $rt_name
route del -net ${ping_ip_arr[$_key]} netmask 255.255.255.255 gw $remote_gw_address
failed=false
device_is_online=true
break
fi
/sbin/ip rule del to ${ping_ip_arr[$_key]} table $rt_name
if $DEBUG ; then
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] route del -net ${ping_ip_arr[$_key]} netmask 255.255.255.255 gw $remote_gw_address" >> $log_file
fi
#/sbin/ip rule del to ${ping_ip_arr[$_key]} table $rt_name
route del -net ${ping_ip_arr[$_key]} netmask 255.255.255.255 gw $remote_gw_address
done
if $failed ; then
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Ping test for device \"${inet_device}\" failed" >> $log_file