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React to dhcp4-change and dhcp6-change NetworkManager dispatcher events #66

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React to dhcp4-change and dhcp6-change NetworkManager dispatcher events #66

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f369abd
Include hostnames into cache filenames
ppetr May 14, 2022
db15c49
Honor the `NETRC` environment variable
ppetr May 15, 2022
f39576d
React to `dhcp4-change` and `dhcp6-change` NetworkManager dispatcher …
ppetr May 17, 2022
ed1c163
Merge branch 'devel' of https://github.com/leamas/ddupdate into devel
ppetr May 17, 2022
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14 changes: 12 additions & 2 deletions dispatcher.d/50-ddupdate
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,10 @@ if ! $systemctl is-enabled ddupdate.timer >/dev/null 2>&1; then
exit 0
fi

case "$2" in
interface="$1"
action="$2"

case "$action" in
"down")
if $ip route ls | grep -q '^default'; then
exit 0
Expand All @@ -26,12 +29,19 @@ case "$2" in
sudo -u $DDUSER $systemctl --user stop ddupdate.timer || :
;;
"up")
if $ip -o route show dev "$1" | grep -q '^default'
if $ip -o route show dev "$interface" | grep -q '^default'
then
$logger "ddupdate: default interface up: starting timer" || :
sudo -u $DDUSER $systemctl --user start ddupdate.timer || :
fi
;;
"dhcp6-change"|"dhcp4-change")
if $ip -o route show dev "$interface" | grep -q '^default'
then
$logger "ddupdate: default interface $action: triggering service" || :
sudo -u $DDUSER $systemctl --user --no-ask-password start ddupdate.service || :
fi
;;
*)
;;
esac