fix(units): add fleet.sock bind-mount for controller

Author: Gabriel Monroy

units/deis-controller.service

@@ -9,7 +9,7 @@ TimeoutStartSec=20m
 ExecStartPre=/bin/sh -c "echo Waiting for deis-logger to start... ; until docker inspect deis-logger >/dev/null 2>&1; do sleep 2; done"
 ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/controller`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-controller >/dev/null && docker rm -f deis-controller || true"
-ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/controller` && docker run --name deis-controller --rm -p 8000:8000 -e PUBLISH=8000 -e HOST=$COREOS_PRIVATE_IPV4 --volumes-from=deis-logger $IMAGE"
+ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/controller` && docker run --name deis-controller -v /var/run/fleet.sock:/var/run/fleet.sock --rm -p 8000:8000 -e PUBLISH=8000 -e HOST=$COREOS_PRIVATE_IPV4 --volumes-from=deis-logger $IMAGE"
 ExecStopPost=/usr/bin/docker stop deis-controller
 
 [Install]