Merge pull request kubernetes#10476 from jsafrane/devel/fedora-nfs-images

Configure lower NFS grace period.

Author: wojtek-t

test/images/volumes-tester/nfs/Dockerfile

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM ubuntu:14.04
+FROM centos
 MAINTAINER Jan Safranek, [email protected]
-ENV DEBIAN_FRONTEND noninteractive
-RUN apt-get update -qq && apt-get install -y nfs-kernel-server -qq
+RUN yum -y install /usr/bin/ps nfs-utils && yum clean all
 RUN mkdir -p /exports
 ADD run_nfs.sh /usr/local/bin/
 ADD index.html /exports/index.html

test/images/volumes-tester/nfs/Makefile

@@ -1,6 +1,6 @@
 all: push
 
-TAG = 0.2
+TAG = 0.3
 
 container:
 	docker build -t gcr.io/google_containers/volume-nfs . # Build new image and automatically tag it as latest

test/images/volumes-tester/nfs/run_nfs.sh

@@ -31,7 +31,8 @@ function start()
     /usr/sbin/rpc.mountd -N 2 -N 3 -V 4 -V 4.1
 
     /usr/sbin/exportfs -r
-    /usr/sbin/rpc.nfsd -N 2 -N 3 -V 4 -V 4.1 2
+    # -G 10 to reduce grace time to 10 seconds (the lowest allowed)
+    /usr/sbin/rpc.nfsd -G 10 -N 2 -N 3 -V 4 -V 4.1 2
 
     echo "NFS started"
 }