From 81e795fae63e2290a700fbc2901e6b05cdfadda4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@open-infrastructure.net>
Date: Wed, 1 Nov 2017 09:11:35 +0100
Subject: Supporting using IP address parts of the container name in preseed
 files for container debconf create script.

This is usefull to automatically construct IP gateway addresses or
veth interface names in a diff-friendly way.

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>
---
 share/scripts/debconf                        | 8 ++++++++
 share/scripts/debconf.d/0002-preseed-debconf | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/share/scripts/debconf b/share/scripts/debconf
index 93cbda9..3bc3b43 100755
--- a/share/scripts/debconf
+++ b/share/scripts/debconf
@@ -629,10 +629,18 @@ EOF
 			if [ -n "${DIG}" ]
 			then
 				IPV4_ADDRESS1="$(${DIG} +short ${NAME} | tail -n1)"
+				IPV4_ADDRESS1_PART1="$(echo ${IPV4_ADDRESS1} | cut -d. -f1)"
+				IPV4_ADDRESS1_PART2="$(echo ${IPV4_ADDRESS1} | cut -d. -f2)"
+				IPV4_ADDRESS1_PART3="$(echo ${IPV4_ADDRESS1} | cut -d. -f3)"
+				IPV4_ADDRESS1_PART4="$(echo ${IPV4_ADDRESS1} | cut -d. -f4)"
 			fi
 
 			sed -e "s|@NAME@|${NAME}|g" \
 			    -e "s|@IPV4_ADDRESS1@|${IPV4_ADDRESS1}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART1@|${IPV4_ADDRESS1_PART1}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART2@|${IPV4_ADDRESS1_PART2}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART3@|${IPV4_ADDRESS1_PART3}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART4@|${IPV4_ADDRESS1_PART4}|g" \
 			"${FILE}" >> "${DIRECTORY}/preseed.cfg"
 		done
 
diff --git a/share/scripts/debconf.d/0002-preseed-debconf b/share/scripts/debconf.d/0002-preseed-debconf
index 2a3a33c..d46121c 100755
--- a/share/scripts/debconf.d/0002-preseed-debconf
+++ b/share/scripts/debconf.d/0002-preseed-debconf
@@ -83,10 +83,18 @@ do
 	if [ -n "${DIG}" ]
 	then
 		IPV4_ADDRESS1="$(${DIG} +short ${NAME} | tail -n1)"
+		IPV4_ADDRESS1_PART1="$(echo ${IPV4_ADDRESS1} | cut -d. -f1)"
+		IPV4_ADDRESS1_PART2="$(echo ${IPV4_ADDRESS1} | cut -d. -f2)"
+		IPV4_ADDRESS1_PART3="$(echo ${IPV4_ADDRESS1} | cut -d. -f3)"
+		IPV4_ADDRESS1_PART4="$(echo ${IPV4_ADDRESS1} | cut -d. -f4)"
 	fi
 
 	sed -e "s|@NAME@|${NAME}|g" \
 	    -e "s|@IPV4_ADDRESS1@|${IPV4_ADDRESS1}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART1@|${IPV4_ADDRESS1_PART1}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART2@|${IPV4_ADDRESS1_PART2}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART3@|${IPV4_ADDRESS1_PART3}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART4@|${IPV4_ADDRESS1_PART4}|g" \
 	"${DEBCONF_PRESEED_FILE}" > "${DIRECTORY}/preseed.cfg"
 
 	# Apply user specified preseed files
-- 
cgit v1.2.3