From e1ac8c36854fbeb60a53a5090fbb673b2a7b9d09 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <mail@daniel-baumann.ch>
Date: Thu, 4 Aug 2016 15:45:49 +0200
Subject: Merging upstream version 20160801.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
---
 lib/container/start | 70 +++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 63 insertions(+), 7 deletions(-)

(limited to 'lib/container/start')

diff --git a/lib/container/start b/lib/container/start
index a4dc033..5191ae2 100755
--- a/lib/container/start
+++ b/lib/container/start
@@ -28,8 +28,8 @@ SYSTEMCTL="true"
 
 Parameters ()
 {
-	LONG_OPTIONS="name:,nspawn,start,"
-	OPTIONS="n:,"
+	LONG_OPTIONS="name:,force,nspawn,start,"
+	OPTIONS="n:f,"
 
 	PARAMETERS="$(getopt --longoptions ${LONG_OPTIONS} --name=${COMMAND} --options ${OPTIONS} --shell sh -- ${@})"
 
@@ -49,6 +49,11 @@ Parameters ()
 				shift 2
 				;;
 
+			-f|--force)
+				FORCE="true"
+				shift 1
+				;;
+
 			--nspawn)
 				# internal option
 				SYSTEMCTL="false"
@@ -77,7 +82,7 @@ Parameters ()
 
 Usage ()
 {
-	echo "Usage: container ${COMMAND} -n|--name NAME" >&2
+	echo "Usage: container ${COMMAND} -n|--name NAME [-f|--force]" >&2
 	exit 1
 }
 
@@ -107,6 +112,20 @@ case "${START}" in
 		;;
 esac
 
+if [ -e "${MACHINES}/.#${NAME}.lck" ]
+then
+	case "${FORCE}" in
+		true)
+			rm -f "${MACHINES}/.#${NAME}.lck"
+			;;
+
+		*)
+			echo "'${NAME}': container is locked" >&2
+			exit 1
+			;;
+	esac
+fi
+
 HOST_ARCHITECTURE="$(dpkg --print-architecture)"
 MACHINE_ARCHITECTURE="$(chroot ${MACHINES}/${NAME} dpkg --print-architecture)"
 
@@ -139,6 +158,31 @@ esac
 # config
 if [ -e "${CONFIG}/${NAME}.conf" ]
 then
+	CNT_OVERLAY="$(awk -F= '/^cnt.overlay=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+
+	if [ -n "${CNT_OVERLAY}" ]
+	then
+		CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')"
+
+		for CNT_OVERLAY in ${CNT_OVERLAYS}
+		do
+			DIRECTORY_LOWER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $1 }')"
+			DIRECTORY_UPPER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $2 }')"
+			DIRECTORY_WORK="$(echo ${CNT_OVERLAY} | awk -F: '{ print $3 }')"
+			DIRECTORY_MERGED="$(echo ${CNT_OVERLAY} | awk -F: '{ print $4 }')"
+
+			for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
+			do
+				mkdir -p "${DIRECTORY}"
+			done
+
+			if ! findmnt -n -o SOURCE "${DIRECTORY_MERGED}" | grep -qs '^cnt.overlay-'
+			then
+				mount cnt.overlay-${NAME} -t overlay -olowerdir="${DIRECTORY_LOWER}",upperdir="${DIRECTORY_UPPER}",workdir="${DIRECTORY_WORK}",default_permissions "${DIRECTORY_MERGED}"
+			fi
+		done
+	fi
+
 	BIND="$(awk -F= '/^bind=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
 
 	if [ -n "${BIND}" ]
@@ -199,6 +243,18 @@ then
 			;;
 	esac
 
+	LINK_JOURNAL="$(awk -F= '/^link-journal=/ { print $2 }' ${CONFIG}/${NAME}.conf || echo no)"
+
+	case "${LINK_JOURNAL}" in
+		yes)
+			LINK_JOURNAL="--link-journal=yes"
+			;;
+
+		*)
+			LINK_JOURNAL="--link-journal=no"
+			;;
+	esac
+
 	MACHINE="--machine=${NAME}"
 
 	NETWORK_VETH_EXTRA_CONF="$(awk -F= '/^network-veth-extra=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
@@ -256,15 +312,15 @@ EOF
 			;;
 	esac
 
-	LINK_JOURNAL="$(awk -F= '/^link-journal=/ { print $2 }' ${CONFIG}/${NAME}.conf || echo no)"
+	PRIVATE_USERS="$(awk -F= '/^private-users=/ { print $2 }' ${CONFIG}/${NAME}.conf || echo no)"
 
-	case "${LINK_JOURNAL}" in
+	case "${PRIVATE_USERS}" in
 		yes)
-			LINK_JOURNAL="--link-journal=yes"
+			PRIVATE_USERS="--private-users=yes"
 			;;
 
 		*)
-			LINK_JOURNAL="--link-journal=no"
+			PRIVATE_USERS="--private-users=no"
 			;;
 	esac
 
-- 
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