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update_ip: add offline check, for my faulty wireless card

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Timothy Allen 2025-03-08 06:27:04 +02:00
parent 7e0f3c64c5
commit ed2cf77afc
1 changed files with 9 additions and 1 deletions
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10
update_ip.sh
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@ -1,11 +1,19 @@
#!/bin/sh #!/bin/sh
ping -qc 1 "${server}" > /dev/null
if [ ${?} != 0 ]; then
# We are offline
exit
fi
cache=.update_ip.cache cache=.update_ip.cache
server=ns1.example.com server=ns1.example.com
zone=dyn.example.com zone=dyn.example.com
host=desktop host=desktop
secret="" secret=""
iface=$( ip route get $( dig +short ${server} | grep [0-9] ) | grep -Po '(?<=(dev ))(\S+)' )
server_ip=$( dig +short ${server} | grep [0-9] | head -1 )
iface=$( ip route get ${server_ip} | grep -Po '(?<=(dev ))(\S+)' )
# TODO trigger not via cron, but using ip monitor in a while/sleep loop: # TODO trigger not via cron, but using ip monitor in a while/sleep loop:
#ip monitor address dev ${iface} | while read event; do #ip monitor address dev ${iface} | while read event; do