From a02687bc62af697cce2d505921608ae3160a2540 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 27 Oct 2017 13:43:55 +0200 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 --- share/scripts/debconf.d/0002-preseed-debconf | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'share/scripts/debconf.d/0002-preseed-debconf') diff --git a/share/scripts/debconf.d/0002-preseed-debconf b/share/scripts/debconf.d/0002-preseed-debconf index 36cf948..93841b6 100755 --- a/share/scripts/debconf.d/0002-preseed-debconf +++ b/share/scripts/debconf.d/0002-preseed-debconf @@ -83,10 +83,18 @@ do if [ -n "${DIG}" ] then IPV4_ADDRESS="$(${DIG} +short ${NAME} | tail -n1)" + IPV4_ADDRESS_PART1="$(echo ${IPV4_ADDRESS} | cut -d. -f1)" + IPV4_ADDRESS_PART2="$(echo ${IPV4_ADDRESS} | cut -d. -f2)" + IPV4_ADDRESS_PART3="$(echo ${IPV4_ADDRESS} | cut -d. -f3)" + IPV4_ADDRESS_PART4="$(echo ${IPV4_ADDRESS} | cut -d. -f4)" fi sed -e "s|@NAME@|${NAME}|g" \ -e "s|@IPV4_ADDRESS@|${IPV4_ADDRESS}|g" \ + -e "s|@IPV4_ADDRESS_PART1@|${IPV4_ADDRESS_PART1}|g" \ + -e "s|@IPV4_ADDRESS_PART2@|${IPV4_ADDRESS_PART2}|g" \ + -e "s|@IPV4_ADDRESS_PART3@|${IPV4_ADDRESS_PART3}|g" \ + -e "s|@IPV4_ADDRESS_PART4@|${IPV4_ADDRESS_PART4}|g" \ "${DEBCONF_PRESEED_FILE}" > "${DIRECTORY}/preseed.cfg" # Apply user specified preseed files -- cgit v1.2.3