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#1374 basic internet.sh script

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rootzoll 2020-07-23 14:47:35 +02:00
parent d9f38cce36
commit 81d21d772b
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home.admin/config.scripts/internet.sh Executable file
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#!/bin/bash
# command info
if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
echo "# handle the internet connection"
echo "# internet.sh status"
exit 1
fi
# load local config
source /mnt/hdd/raspiblitz.conf
# get local IP
localip_ALL=$(ip addr | grep 'state UP' -A2 | egrep -v 'docker0' | egrep -i '(*[eth|ens|enp|eno|wlan|wlp][0-9]$)' | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
localip_LAN=$(ip addr | grep 'state UP' -A2 | egrep -v 'docker0' | egrep -i '(*[eth][0-9]$)' | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
localip="${localIP_ALL}"
if [ ${#localIP_LAN} -gt 0 ]; then
# prefer local IP over LAN over all other if available
localip="${localIP_LAN}"
fi
# check for internet connection
online=0
if [ ${#dnsServer} -gt 0 ]; then
# re-test with other server
online=$(ping ${dnsServer} -c 1 -W 2 | grep -c '1 received')
fi
if [ ${online} -eq 0 ]; then
# re-test with other server
online=$(ping 1.0.0.1 -c 1 -W 2 | grep -c '1 received')
fi
if [ ${online} -eq 0 ]; then
# re-test with other server
online=$(ping 8.8.8.8 -c 1 -W 2 | grep -c '1 received')
fi
if [ ${online} -eq 0 ]; then
# re-test with other server
online=$(ping 208.67.222.222 -c 1 -W 2 | grep -c '1 received')
fi
if [ ${online} -eq 0 ]; then
# re-test with other server
online=$(ping 1.1.1.1 -c 1 -W 2 | grep -c '1 received')
fi
if [ "$1" == "status" ]; then
echo "localip=${localip}"
echo "online=${online}"
exit 0
else
echo "err='parameter not known - run with -help'"
fi