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authorChen Qi <Qi.Chen@windriver.com>2017-07-20 15:33:58 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-07-24 09:12:25 +0100
commitfaa8d0f5e8db4a99367d42ba8c8de5b2e339d8d2 (patch)
tree9e15f646769c5c4900620c3704c06167c41b76b9 /meta/recipes-connectivity/dhcp/files
parent76c824fa3b43fd8902fb89c575b2954e8b1a6ab8 (diff)
downloadopenembedded-core-contrib-faa8d0f5e8db4a99367d42ba8c8de5b2e339d8d2.tar.gz
dhcp: add dhclient.service
Add dhclient.service. This service file mainly comes from meta-systemd, with modifications to take nfs boot into consideration. While using eth0 as the nfsboot interface, we'd like dhclient service to skip it like what ifup and connman do in sysvinit. Signed-off-by: Chen Qi <Qi.Chen@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-connectivity/dhcp/files')
-rw-r--r--meta/recipes-connectivity/dhcp/files/dhclient-systemd-wrapper39
-rw-r--r--meta/recipes-connectivity/dhcp/files/dhclient.service13
2 files changed, 52 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/dhcp/files/dhclient-systemd-wrapper b/meta/recipes-connectivity/dhcp/files/dhclient-systemd-wrapper
new file mode 100644
index 0000000000..7d0e224a1d
--- /dev/null
+++ b/meta/recipes-connectivity/dhcp/files/dhclient-systemd-wrapper
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# In case the interface is used for nfs, skip it.
+nfsroot=0
+interfaces=""
+exec 9<&0 < /proc/mounts
+while read dev mtpt fstype rest; do
+ if test $mtpt = "/" ; then
+ case $fstype in
+ nfs | nfs4)
+ nfsroot=1
+ nfs_addr=`echo $rest | sed -e 's/^.*addr=\([0-9.]*\).*$/\1/'`
+ break
+ ;;
+ *)
+ ;;
+ esac
+ fi
+done
+exec 0<&9 9<&-
+
+if [ $nfsroot -eq 0 ]; then
+ interfaces="$INTERFACES"
+else
+ if [ -x /bin/ip -o -x /sbin/ip ] ; then
+ nfs_iface=`ip route get $nfs_addr | grep dev | sed -e 's/^.*dev \([-a-z0-9.]*\).*$/\1/'`
+ fi
+ for i in $INTERFACES; do
+ if test "x$i" = "x$nfs_iface"; then
+ echo "dhclient skipping nfsroot interface $i"
+ else
+ interfaces="$interfaces $i"
+ fi
+ done
+fi
+
+if test "x$interfaces" != "x"; then
+ /sbin/dhclient -d -cf /etc/dhcp/dhclient.conf -q -lf /var/lib/dhcp/dhclient.leases $interfaces
+fi
diff --git a/meta/recipes-connectivity/dhcp/files/dhclient.service b/meta/recipes-connectivity/dhcp/files/dhclient.service
new file mode 100644
index 0000000000..9ddb4d1dfe
--- /dev/null
+++ b/meta/recipes-connectivity/dhcp/files/dhclient.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Dynamic Host Configuration Protocol (DHCP)
+Wants=network.target
+Before=network.target
+After=systemd-udevd.service
+
+[Service]
+EnvironmentFile=-@SYSCONFDIR@/default/dhcp-client
+ExecStart=@BASE_SBINDIR@/dhclient-systemd-wrapper
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target