From 406faff53d38596f5df8a49412b9d7d295c4f105 Mon Sep 17 00:00:00 2001
From: Matt Kereczman <matt@linbit.com>
Date: Fri, 22 Jun 2018 08:22:13 -0700
Subject: [PATCH] Added persistent port assignments for NFS

setup_nfs_ha.sh: Added static port assignments to NFS to allow access
through a loadbalancer. Ports 111 (TCP/UDP), 2049 (TCP/UDP), 2000
(TCP/UDP), 2001 (TCP), and 2002 (UDP) are the ports required.
---
 scripts/setup_nfs_ha.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/scripts/setup_nfs_ha.sh b/scripts/setup_nfs_ha.sh
index ca8e1c2d..f0110ece 100644
--- a/scripts/setup_nfs_ha.sh
+++ b/scripts/setup_nfs_ha.sh
@@ -27,6 +27,13 @@ function setup_required_packages
     systemctl stop nfs-kernel-server
     systemctl disable nfs-kernel-server
 
+    # Setup static port assignments for mountd, nlm (tcp), and nlm (udp) respectively:
+	sed -i 's/^\(RPCMOUNTDOPTS="--manage-gids\)"/\1 -p 2000"/g' /etc/default/nfs-kernel-server
+	cat <<EOF > /etc/sysctl.d/30-nfs-ports.conf
+fs.nfs.nlm_tcpport = 2001
+fs.nfs.nlm_udpport = 2002
+EOF
+
     # We need to install the "azure-lb" command separately if the resource-agents package didn't have it.
     pushd /usr/lib/ocf/resource.d/heartbeat
     if [ ! -e azure-lb ]; then
@@ -226,4 +233,4 @@ NFS_EXPORT_PATH=${DRBD_MOUNT_POINT}/moodle  # TODO Allow different export dir na
 
 setup_corosync_and_pacemaker_for_nfs $NODE1IP $NODE2IP $DRBD_RESOURCE_NAME $DRBD_DEVICE_PATH $DRBD_MOUNT_POINT $NFS_EXPORT_PATH "$NFS_CLIENTS_IP_RANGE"
 
-echo "NFS-HA setup succeeded. NFS_EXPORT_PATH=${NFS_EXPORT_PATH}, NFS_CLIENT_SPEC=${NFS_CLIENT_SPEC}"
\ No newline at end of file
+echo "NFS-HA setup succeeded. NFS_EXPORT_PATH=${NFS_EXPORT_PATH}, NFS_CLIENT_SPEC=${NFS_CLIENT_SPEC}"