fix #22529: disable nfsv4 and use nfsv3

test/images/volumes-tester/nfs/Dockerfile

@@ -17,9 +17,10 @@ MAINTAINER Jan Safranek, jsafrane@redhat.com
 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
-RUN chmod 644 /exports/index.html
+ADD index.html /tmp/index.html
+RUN chmod 644 /tmp/index.html
 
-EXPOSE 2049/tcp
+# expose mountd 20048/tcp and nfsd 2049/tcp
+EXPOSE 2049/tcp 20048/tcp
 
-ENTRYPOINT ["/usr/local/bin/run_nfs.sh", "/exports"]
+ENTRYPOINT ["/usr/local/bin/run_nfs.sh", "/exports", "/"]

test/images/volumes-tester/nfs/Makefile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-TAG = 0.5
+TAG = 0.6
 PREFIX = gcr.io/google_containers
 
 all: push

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

@@ -21,19 +21,29 @@ function start()
     for i in "$@"; do
         # fsid=0: needed for NFSv4
         echo "$i *(rw,fsid=0,insecure,no_root_squash)" >> /etc/exports
+        # move index.html to here
+        /bin/cp /tmp/index.html $i/
+        chmod 644 $i/index.html
         echo "Serving $i"
     done
+  
+    # start rpcbind if it is not started yet
+    /usr/sbin/rpcinfo 127.0.0.1 > /dev/null; s=$?
+    if [ $s -ne 0 ]; then
+       echo "Starting rpcbind"
+       /usr/sbin/rpcbind -w
+    fi
 
     mount -t nfsd nfds /proc/fs/nfsd
 
-    # -N 2 -N 3: disable NFSv2+3
-    # -V 4.x: enable NFSv4
-    /usr/sbin/rpc.mountd -N 2 -N 3 -V 4 -V 4.1
+    # -N 4.x: disable NFSv4
+    # -V 3: enable NFSv3
+    /usr/sbin/rpc.mountd -N 2 -V 3 -N 4 -N 4.1
 
     /usr/sbin/exportfs -r
     # -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
-
+    /usr/sbin/rpc.nfsd -G 10 -N 2 -V 3 -N 4 -N 4.1 2
+    /usr/sbin/rpc.statd --no-notify
     echo "NFS started"
 }