new: dev: [host] added ``$NO_DOCKER_RESTART`` variable to disable restarting docker

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

precise/host/hooks/install.d/60-docker.sh

@@ -25,7 +25,7 @@ if [ -n "$just_installed" ]; then
         need_restart=true
     fi
 
-    if [ "$need_restart" ]; then
+    if [ -n "$need_restart" ] && [ -z "$NO_DOCKER_RESTART" ]; then
         systemctl daemon-reload &&
             service docker restart
     fi

precise/host/hooks/install.d/70-0k.sh

@@ -195,7 +195,7 @@ if ! [ -L "$ca_ln" ] || [ "$(realpath "$ca_ln")" != "$ca" ] ; then
     need_restart=1
 fi
 
-if [ "$need_restart" ]; then
+if [ -n "$need_restart" ] && [ -z "$NO_DOCKER_RESTART" ]; then
     service docker restart
 fi