allow docker group access to /var/run/docker.sock on gce, and rebuild…

… template

test/gce.sh

@@ -11,7 +11,7 @@ set -e
 : ${SSH_KEY_FILE:=$HOME/.ssh/gce_ssh_key}
 : ${PROJECT:=positive-cocoa-90213}
 : ${IMAGE:=ubuntu-14-04}
-: ${TEMPLATE_NAME:=test-template-8}
+: ${TEMPLATE_NAME:=test-template-9}
 : ${ZONE:=us-central1-a}
 : ${NUM_HOSTS:=5}
 SUFFIX=""
@@ -74,7 +74,8 @@ apt-get update -qq;
 apt-get install -q -y --force-yes --no-install-recommends ethtool;
 usermod -a -G docker vagrant;
 echo 'DOCKER_OPTS="-H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375 -s overlay"' >> /etc/default/docker;
-service docker restart
+service docker restart;
+chmod g+rw /var/run/docker.sock
 EOF
 	# It seems we need a short delay for docker to start up, so I put this in
 	# a separate ssh connection.  This installs nsenter.