From 39fd32080205aebe8a59936b9b6a76ae04b6f047 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@open-infrastructure.net>
Date: Sat, 12 Mar 2016 07:32:19 +0100
Subject: Adding capability and drop-capability config option.

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>
---
 lib/container/create | 16 ++++++++++++++--
 lib/container/start  | 26 +++++++++++++++++++++++++-
 2 files changed, 39 insertions(+), 3 deletions(-)

(limited to 'lib')

diff --git a/lib/container/create b/lib/container/create
index cfee91a..3411832 100755
--- a/lib/container/create
+++ b/lib/container/create
@@ -25,7 +25,7 @@ MACHINES="/var/lib/machines"
 
 Parameters ()
 {
-	LONG_OPTIONS="name:,cnt.autostart:,bind:,script:"
+	LONG_OPTIONS="name:,cnt.autostart:,bind:,capability:,drop-capability:script:"
 	OPTIONS="n:,b:,c:,d:,s:"
 
 	PARAMETERS="$(getopt --longoptions ${LONG_OPTIONS} --name=${COMMAND} --options ${OPTIONS} --shell sh -- ${@})"
@@ -56,6 +56,16 @@ Parameters ()
 				shift 2
 				;;
 
+			-c|--capability)
+				CAPABILITY="${2}"
+				shift 2
+				;;
+
+			-d|--drop-capability)
+				DROP_CAPABILITY="${2}"
+				shift 2
+				;;
+
 			-s|--script)
 				SCRIPT="${2}"
 				shift 2
@@ -76,7 +86,7 @@ Parameters ()
 
 Usage ()
 {
-	echo "Usage: container ${COMMAND} -n|--name NAME [--cnt.autostart=true|false|FQDN] [-b|--bind DIRECTORY:DIRECTORY[:OPTIONS]] [-s|--script SCRIPT] [-- SCRIPT_OPTIONS]" >&2
+	echo "Usage: container ${COMMAND} -n|--name NAME [--cnt.autostart=true|false|FQDN] [-b|--bind DIRECTORY:DIRECTORY[:OPTIONS]] [-c|--capability CAPABILITY[,CAPABILITY]] [-d|--drop-capability DROP_CAPABILITY[,DROP_CAPABILITY]] [-s|--script SCRIPT] [-- SCRIPT_OPTIONS]" >&2
 	exit 1
 }
 
@@ -121,7 +131,9 @@ sed	-e "s|@CNT_AUTOSTART@|${CNT_AUTOSTART}|g" \
 	-e "s|@NAME@|${NAME}|g" \
 	-e "s|@BIND@|${BIND}|g" \
 	-e "s|@BOOT@|yes|g" \
+	-e "s|@CAPABILITY@|${CAPABILITY}|g" \
 	-e "s|@DIRECTORY@|${MACHINES}/${NAME}|g" \
+	-e "s|@DROP_CAPABILITY@|${DROP_CAPABILITY}|g" \
 	-e "s|@MACHINE@|${NAME}|g" \
 	-e "s|@NETWORK_VETH@|yes|g" \
 	-e "s|@NETWORK_BRIDGE@|br0|g" \
diff --git a/lib/container/start b/lib/container/start
index dc84f94..0588db5 100755
--- a/lib/container/start
+++ b/lib/container/start
@@ -156,9 +156,33 @@ then
 			;;
 	esac
 
+	CAPABILITY="$(awk -F= '/^capability=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+
+	case "${CAPABILITY}" in
+		"")
+			CAPABILITY=""
+			;;
+
+		*)
+			CAPABILITY="--capability=${CAPABILITY}"
+			;;
+	esac
+
 	DIRECTORY="$(awk -F= '/^directory=/ { print $2 }' ${CONFIG}/${NAME}.conf || echo ${MACHINES}/${NAMES})"
 	DIRECTORY="--directory ${DIRECTORY}"
 
+	DROP_CAPABILITY="$(awk -F= '/^drop-capability=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+
+	case "${DROP_CAPABILITY}" in
+		"")
+			DROP_CAPABILITY=""
+			;;
+
+		*)
+			DROP_CAPABILITY="--drop-capability=${DROP_CAPABILITY}"
+			;;
+	esac
+
 	MACHINE="--machine=${NAME}"
 
 	NETWORK_BRIDGE="$(awk -F= '/^network-bridge=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
@@ -211,4 +235,4 @@ then
 fi
 
 # Run
-${SETARCH} systemd-nspawn ${BIND} ${BOOT} ${DIRECTORY} ${MACHINE} ${NETWORK_BRIDGE} ${NETWORK_VETH} ${LINK_JOURNAL} ${REGISTER}
+${SETARCH} systemd-nspawn ${BIND} ${BOOT} ${CAPABILITY} ${DIRECTORY} ${DROP_CAPABILITY} ${MACHINE} ${NETWORK_BRIDGE} ${NETWORK_VETH} ${LINK_JOURNAL} ${REGISTER}
-- 
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