File wwinit-Add-check-for-properly-configured-network-136.patch of Package warewulf

From: John Jolly <john.jolly@gmail.com>
Date: Thu Sep 13 14:26:12 2018 -0600
Subject: wwinit: Add check for properly configured network (#136)
Patch-mainline: Upstream
Git-repo: https://github.com/warewulf/warewulf3
Git-commit: dfb00c93fd4d32954258a8daa056baecab643600
References: 

Signed-off-by: Egbert Eich <eich@suse.com>
Signed-off-by: John L. Jolly <jjolly@suse.com>---
 cluster/libexec/wwinit/50-network.init | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
diff --git a/cluster/libexec/wwinit/50-network.init b/cluster/libexec/wwinit/50-network.init
new file mode 100644
index 0000000..3cbc4a8
--- /dev/null
+++ b/cluster/libexec/wwinit/50-network.init
@@ -0,0 +1,31 @@
+#!/bin/sh
+##
+## Copyright (c) 2001-2003 Gregory M. Kurtzer
+##
+## Copyright (c) 2003-2012, The Regents of the University of California,
+## through Lawrence Berkeley National Laboratory (subject to receipt of any
+## required approvals from the U.S. Dept. of Energy).  All rights reserved.
+##
+
+#INIT: ALL
+#INIT: MASTER
+#INIT: PROVISION
+#INIT: NFS
+
+if [ -f "$WWFUNCTIONS" ]; then
+    . $WWFUNCTIONS
+else
+    echo "ERROR: could not load warewulf functions!"
+    exit 255
+fi
+
+wwreqroot
+
+NETWORK=`perl -MWarewulf::Network -MWarewulf::Config -e 'print Warewulf::Network->new()->network(Warewulf::Config->new("provision.conf")->get("network device"));'`
+NETMASK=`perl -MWarewulf::Network -MWarewulf::Config -e 'print Warewulf::Network->new()->netmask(Warewulf::Config->new("provision.conf")->get("network device"));'`
+
+# Make certain that the appropriate network settings are set
+if [ -z "$NETWORK" -o -z "$NETMASK" ]; then
+    wwprint "Unable to determine network details.\nHave you configured 'network devices' in the /etc/warewulf/provision.conf file?\n" error
+    exit 255
+fi