From a886751a87e8831df47a7ce9c9952902e7a5623d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@open-infrastructure.net>
Date: Sat, 22 Jul 2017 12:48:59 +0200
Subject: Adding cnt-debconf/mode preseed field to allow embedding container
 create script within preseed file itself without relying on a specific
 default create script being set on the host system, thanks to David Kunz for
 the idea.

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>
---
 share/scripts/debconf                          | 28 +++++++++-----------------
 share/scripts/debconf.d/0003-debconf           | 22 ++++++++++++++++++++
 share/scripts/debconf.d/0003-debconf.templates |  8 ++++++++
 3 files changed, 39 insertions(+), 19 deletions(-)

(limited to 'share/scripts')

diff --git a/share/scripts/debconf b/share/scripts/debconf
index 38bf937..e97f41e 100755
--- a/share/scripts/debconf
+++ b/share/scripts/debconf
@@ -19,6 +19,7 @@
 set -e
 
 SCRIPT="${0}"
+export SCRIPT
 
 CONFIG="/etc/container-tools/config"
 HOOKS="/etc/container-tools/hooks"
@@ -971,24 +972,10 @@ Commands ()
 
 umask 0022
 
-# Get distributor from template filename
-MODE="$(basename ${SCRIPT})"
-
-case "${MODE}" in
-	debconf)
-		MODE="debian"
-		;;
-esac
-
-export MODE
-
-CACHE="/var/cache/container-tools/${MODE}"
-SYSTEM="${MACHINES}/${NAME}"
+export NAME
 
 Debconf
 
-export NAME
-
 # Pre hooks
 for FILE in "${HOOKS}/pre-${SCRIPT}".* "${HOOKS}/${NAME}.pre-${SCRIPT}"
 do
@@ -999,19 +986,22 @@ do
 done
 
 # Run debconf parts
-for SCRIPT in /usr/share/container-tools/scripts/debconf.d/*
+for DEBCONF_SCRIPT in /usr/share/container-tools/scripts/debconf.d/*
 do
-	if [ -x "${SCRIPT}" ]
+	if [ -x "${DEBCONF_SCRIPT}" ]
 	then
 		# FIXME
-		# debconf -ocontainer-tools "${SCRIPT}"
-		"${SCRIPT}"
+		# debconf -ocontainer-tools "${DEBCONF_SCRIPT}"
+		"${DEBCONF_SCRIPT}"
 	fi
 done
 
 # Read-in configuration from debconf
 . "${DEBCONF_TMPDIR}/debconf.default"
 
+CACHE="/var/cache/container-tools/${MODE}"
+SYSTEM="${MACHINES}/${NAME}"
+
 ## Generic parts
 if [ ! -e "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}" ]
 then
diff --git a/share/scripts/debconf.d/0003-debconf b/share/scripts/debconf.d/0003-debconf
index 8e78b3e..007ddfb 100755
--- a/share/scripts/debconf.d/0003-debconf
+++ b/share/scripts/debconf.d/0003-debconf
@@ -23,6 +23,26 @@ export DEBCONF_NOWARNINGS
 
 . /usr/share/debconf/confmodule
 
+Mode ()
+{
+	db_get cnt-debconf/mode
+	MODE="${RET}" # select
+
+	if [ -z "${MODE}" ]
+	then
+		MODE="$(basename ${SCRIPT})"
+
+		case "${MODE}" in
+			debconf)
+				MODE="debian"
+				;;
+		esac
+	fi
+
+	echo "MODE=\"${MODE}\"" >> "${DEBCONF_TMPDIR}/debconf.default"
+	export MODE
+}
+
 Distribution ()
 {
 	db_get cnt-debconf/distribution
@@ -1044,6 +1064,8 @@ Internal_options ()
 	echo "CNT_OVERLAY=\"${CNT_OVERLAY}\"" >> "${DEBCONF_TMPDIR}/debconf.default"
 }
 
+Mode
+
 Distribution
 Parent_distribution
 
diff --git a/share/scripts/debconf.d/0003-debconf.templates b/share/scripts/debconf.d/0003-debconf.templates
index e46fa88..61b8154 100644
--- a/share/scripts/debconf.d/0003-debconf.templates
+++ b/share/scripts/debconf.d/0003-debconf.templates
@@ -2,6 +2,14 @@ Template: cnt-debconf/title
 Type: title
 Description: container-tools
 
+Template: cnt-debconf/mode
+Type: select
+Default:
+Choices-C: ${CHOICES_C}
+Choices: ${CHOICES}
+Description: Mode
+ Mode.
+
 Template: cnt-debconf/distribution
 Type: select
 Default:
-- 
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