meta-sysmocom-bsp/recipes-bsp/init-ifupdown/init-ifupdown/sysmobts-v2/init

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#!/bin/sh -e
### BEGIN INIT INFO
# Provides: networking
# Required-Start: mountvirtfs $local_fs
# Required-Stop: $local_fs
# Should-Start: ifupdown
# Should-Stop: ifupdown
# Default-Start: S
# Default-Stop: 0 6
# Short-Description: Raise network interfaces.
### END INIT INFO
PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
[ -x /sbin/ifup ] || exit 0
check_network_file_systems() {
[ -e /proc/mounts ] || return 0
if [ -e /etc/iscsi/iscsi.initramfs ]; then
echo "not deconfiguring network interfaces: iSCSI root is mounted."
exit 0
fi
exec 9<&0 < /proc/mounts
while read DEV MTPT FSTYPE REST; do
case $DEV in
/dev/nbd*|/dev/nd[a-z]*|/dev/etherd/e*)
echo "not deconfiguring network interfaces: network devices still mounted."
exit 0
;;
esac
case $FSTYPE in
nfs|nfs4|smbfs|ncp|ncpfs|cifs|coda|ocfs2|gfs|pvfs|pvfs2|fuse.httpfs|fuse.curlftpfs)
echo "not deconfiguring network interfaces: network file systems still mounted."
exit 0
;;
esac
done
exec 0<&9 9<&-
}
check_network_swap() {
[ -e /proc/swaps ] || return 0
exec 9<&0 < /proc/swaps
while read DEV MTPT FSTYPE REST; do
case $DEV in
/dev/nbd*|/dev/nd[a-z]*|/dev/etherd/e*)
echo "not deconfiguring network interfaces: network swap still mounted."
exit 0
;;
esac
done
exec 0<&9 9<&-
}
case "$1" in
start)
echo -n "Configuring network interfaces... "
mkdir /run/network || true
sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1
ifup -a
echo "done."
;;
stop)
check_network_file_systems
check_network_swap
echo -n "Deconfiguring network interfaces... "
ifdown -a
echo "done."
;;
force-reload|restart)
echo "Running $0 $1 is deprecated because it may not enable again some interfaces"
echo "Reconfiguring network interfaces... "
ifdown -a || true
ifup -a
echo "done."
;;
*)
echo "Usage: /etc/init.d/networking {start|stop}"
exit 1
;;
esac
exit 0