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Add option to enable predictable network interface names

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This commit is contained in:
Serge Schneider 2017-09-26 12:41:05 +01:00
parent d2ee57cb1c
commit 136190c50a
2 changed files with 47 additions and 0 deletions
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6
debian/changelog vendored
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@ -1,3 +1,9 @@
raspi-config (20170926) stretch; urgency=medium
* Add option to enable predictable network interface names
-- Serge Schneider <serge@raspberrypi.org> Tue, 26 Sep 2017 12:32:25 +0100
raspi-config (20170811) stretch; urgency=medium raspi-config (20170811) stretch; urgency=medium
* Only restart pigpio daemon if it is running * Only restart pigpio daemon if it is running

41
raspi-config
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@ -1163,6 +1163,45 @@ do_gldriver() {
whiptail --msgbox "$STATUS" 20 60 1 whiptail --msgbox "$STATUS" 20 60 1
} }
get_net_names() {
if grep -q "net.ifnames=0" $CMDLINE || [ "$(readlink -f /etc/systemd/network/99-default.link)" = "/dev/null" ] ; then
echo 1
else
echo 0
fi
}
do_net_names () {
DEFAULT=--defaultno
CURRENT=0
if [ $(get_net_names) -eq 0 ]; then
DEFAULT=
CURRENT=1
fi
if [ "$INTERACTIVE" = True ]; then
whiptail --yesno "Would you like to enable predictable network interface names?" $DEFAULT 20 60 2
RET=$?
else
RET=$1
fi
if [ $RET -eq $CURRENT ]; then
ASK_TO_REBOOT=1
fi
if [ $RET -eq 0 ]; then
sed -i $CMDLINE -e "s/net.ifnames=0 *//"
rm -f /etc/systemd/network/99-default.link
STATUS=enabled
elif [ $RET -eq 1 ]; then
ln -sf /dev/null /etc/systemd/network/99-default.link
STATUS=disabled
else
return $RET
fi
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Predictable network interface names are $STATUS" 20 60 1
fi
}
do_update() { do_update() {
apt-get update && apt-get update &&
apt-get install raspi-config && apt-get install raspi-config &&
@ -1480,6 +1519,7 @@ do_advanced_menu() {
"A4 Audio" "Force audio out through HDMI or 3.5mm jack" \ "A4 Audio" "Force audio out through HDMI or 3.5mm jack" \
"A5 Resolution" "Set a specific screen resolution" \ "A5 Resolution" "Set a specific screen resolution" \
"A6 GL Driver" "Enable/Disable experimental desktop GL driver" \ "A6 GL Driver" "Enable/Disable experimental desktop GL driver" \
"A7 Network interface names" "Enable/Disable predictable network interface names" \
3>&1 1>&2 2>&3) 3>&1 1>&2 2>&3)
RET=$? RET=$?
if [ $RET -eq 1 ]; then if [ $RET -eq 1 ]; then
@ -1492,6 +1532,7 @@ do_advanced_menu() {
A4\ *) do_audio ;; A4\ *) do_audio ;;
A5\ *) do_resolution ;; A5\ *) do_resolution ;;
A6\ *) do_gldriver ;; A6\ *) do_gldriver ;;
A7\ *) do_net_names ;;
*) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;; *) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;;
esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1 esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1
fi fi