From 34a8711e604340f64b2128aa955dbd1c0a4e8a4d Mon Sep 17 00:00:00 2001
From: Chris Sharp <csharp@georgialibraries.org>
Date: Thu, 29 Jun 2017 13:37:10 -0400
Subject: [PATCH] Add feature to find primary network interface and configure
 at runtime.

---
 templates/interfaces      | 4 ++--
 templates/setup-drone.sh  | 2 ++
 templates/setup-functions | 9 +++++++++
 templates/setup-head.sh   | 2 ++
 templates/setup.sh        | 2 ++
 5 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/templates/interfaces b/templates/interfaces
index 22f039b..66bc901 100644
--- a/templates/interfaces
+++ b/templates/interfaces
@@ -6,8 +6,8 @@ auto lo
 iface lo inet loopback
 
 # The primary network interface
-auto eth0 
-iface eth0 inet static
+auto Primary_IF
+iface Primary_IF inet static
 	address Priv_IP
 	netmask 255.255.255.0
 	gateway Priv_NET.1
diff --git a/templates/setup-drone.sh b/templates/setup-drone.sh
index eced7c8..f2e430d 100755
--- a/templates/setup-drone.sh
+++ b/templates/setup-drone.sh
@@ -181,6 +181,8 @@ sleep 1
 /etc/init.d/opensrf restart
 }
 
+ConfigNetwork
+
 ### Setup Monitoring
 ## Monitored hosts
 SetupMonitoring
diff --git a/templates/setup-functions b/templates/setup-functions
index b9fd8a5..f5bacd4 100644
--- a/templates/setup-functions
+++ b/templates/setup-functions
@@ -124,6 +124,15 @@ else
 fi
 }
 
+ConfigNetwork () {
+PRIMARY_IF=$(ip route get 8.8.8.8 | awk '{print $5; exit}')
+if [ ! -z "$PRIMARY_IF" ]; then
+        sed -i "s/Primary_IF/$PRIMARY_IF/g" /etc/network/interfaces
+else
+   echo "ERROR: Unable to set primary interface. You must edit /etc/network/interfaces manually."
+fi
+}
+
 ### Setup monitoring.
 SetupMonitoring () {
 ## Monitored hosts
diff --git a/templates/setup-head.sh b/templates/setup-head.sh
index 0c386c3..fc452b8 100755
--- a/templates/setup-head.sh
+++ b/templates/setup-head.sh
@@ -333,6 +333,8 @@ echo -e "alias attach='su - -c \"brick_ctl.sh -a attach_brick\" opensrf'" >> /ro
 echo 'PS1="\[\033[1;33m\]\`if [[ -e /openils/var/web/ldirectorping.txt ]]; then echo "\\[\\033[32m\\]\[Attached\]\\[\\033[0m\\]"; else echo "\\[\\033[31m\\]\[Detached\]\\[\\033[0m\\]"; fi\`\u@\h:\w\\$ "'>> /root/.bashrc
 echo 'PS1="\[\033[1;33m\]\`if [[ -e /openils/var/web/ldirectorping.txt ]]; then echo "\\[\\033[32m\\]\[Attached\]\\[\\033[0m\\]"; else echo "\\[\\033[31m\\]\[Detached\]\\[\\033[0m\\]"; fi\`\u@\h:\w\\$ "' >> /home/opensrf/.bashrc
 
+ConfigNetwork
+
 ### Setup Monitoring
 ## Monitored hosts
 SetupMonitoring
diff --git a/templates/setup.sh b/templates/setup.sh
index 97691c2..733d5b6 100755
--- a/templates/setup.sh
+++ b/templates/setup.sh
@@ -318,6 +318,7 @@ else
 fi
 }
 
+
 ### Setup DB #and repoter
 DBInstallErr () { ### DB install error.
 echo
@@ -526,6 +527,7 @@ sleep 2
 tar zxvf tar_file.tar.gz -C /
 
 ConfigLogging
+ConfigNetwork
 
 
 
-- 
2.11.0