High: nfsserver: Add options for explicitly setting nfs daemon ports

Some deployments require setting predictable port numbers for the
nfs daemons in /etc/sysconfig/nfs. New port specific options have
been added to the ocf agent so the port configuration can live
in the cluster config.

heartbeat/nfsserver

@@ -26,6 +26,9 @@ EXEC_MODE=0
SELINUX_ENABLED=-1
STATD_PATH="/var/lib/nfs"
STATD_DIR=""
NFS_SYSCONFIG="/etc/sysconfig/nfs"
NFS_SYSCONFIG_LOCAL_BACKUP="/etc/sysconfig/nfs.ha.bu"
NFS_SYSCONFIG_AUTOGEN_TAG="AUTOGENERATED by $0 high availability resource-agent"

nfsserver_meta_data() {
	cat <<END
@@ -102,6 +105,72 @@ rpc.nfsd options
<content type="string" />
</parameter>

<parameter name="lockd_udp_port" unique="0" required="0">
<longdesc lang="en">
The udp port lockd should listen on.
Note that setting this value will override all settings placed in the local /etc/sysconfig/nfs file.
</longdesc>
<shortdesc lang="en">
lockd udp port
</shortdesc>
<content type="integer" />
</parameter>

<parameter name="lockd_tcp_port" unique="0" required="0">
<longdesc lang="en">
The tcp port lockd should listen on.
Note that setting this value will override all settings placed in the local /etc/sysconfig/nfs file.
</longdesc>
<shortdesc lang="en">
lockd tcp port
</shortdesc>
<content type="integer" />
</parameter>

<parameter name="statd_outgoing_port" unique="0" required="0">
<longdesc lang="en">
The source port number sm-notify uses when sending reboot notifications.
Note that setting this value will override all settings placed in the local /etc/sysconfig/nfs file.
</longdesc>
<shortdesc lang="en">
sm-notify source port
</shortdesc>
<content type="integer" />
</parameter>

<parameter name="statd_port" unique="0" required="0">
<longdesc lang="en">
The port number used for RPC listener sockets.
Note that setting this value will override all settings placed in the local /etc/sysconfig/nfs file.
</longdesc>
<shortdesc lang="en">
rpc.statd listener port
</shortdesc>
<content type="integer" />
</parameter>

<parameter name="mountd_port" unique="0" required="0">
<longdesc lang="en">
The port number used for rpc.mountd listener sockets.
Note that setting this value will override all settings placed in the local /etc/sysconfig/nfs file.
</longdesc>
<shortdesc lang="en">
rpc.mountd listener port
</shortdesc>
<content type="integer" />
</parameter>

<parameter name="rquotad_port" unique="0" required="0">
<longdesc lang="en">
The port number used for rpc.rquotad.
Note that setting this value will override all settings placed in the local /etc/sysconfig/nfs file.
</longdesc>
<shortdesc lang="en">
rpc.rquotad port
</shortdesc>
<content type="integer" />
</parameter>

<parameter name="nfs_shared_infodir" unique="0" required="0">
<longdesc lang="en">
The nfsserver resource agent will save nfs related information in this specific directory.
@@ -298,31 +367,61 @@ nfsserver_monitor ()
	fi
}

set_nfsd_args()
set_arg()
{
	local args
	local key="$1"
	local value="$2"
	local file="$3"

	if [ -z "$OCF_RESKEY_nfsd_args" ]; then
	if [ -z "$value" ]; then
		return
	fi
	
	# If we don't move this file. It will override our environment variables.
	mv -f /etc/sysconfig/nfs /etc/sysconfig/nfs.bu

	echo "RPCNFSDARGS=$OCF_RESKEY_nfsd_args" > /etc/sysconfig/nfs
	export RPCNFSDARGS=$OCF_RESKEY_nfsd_args

	echo "${key}=\"${value}\"" >> $file
	export ${key}="${value}"
}

cleanup_nfsd_args()
set_env_args()
{
	local tmpconfig=$(mktemp ${HA_RSCTMP}/nfsserver-tmp-XXXXX)
	local statd_args

	if [ -z "$OCF_RESKEY_nfsd_args" ]; then
		return
	# nfsd args
	set_arg "RPCNFSDARGS" "$OCF_RESKEY_nfsd_args" "$tmpconfig"

	# mountd args
	if [ -n "$OCF_RESKEY_mountd_port" ]; then
		set_arg "RPCMOUNTDOPTS" "-p $OCF_RESKEY_mountd_port" "$tmpconfig"
	fi

	# statd args
	if [ -n "$OCF_RESKEY_statd_outgoing_port" ]; then
		statd_args="-o $OCF_RESKEY_statd_outgoing_port"
	fi
	if [ -n "$OCF_RESKEY_statd_port" ]; then
		statd_args="$statd_args -p $OCF_RESKEY_statd_port"
	fi
	set_arg "STATDARG" "$statd_args" "$tmpconfig"

	rm -f /etc/sysconfig/nfs
	mv -f /etc/sysconfig/nfs.bu /etc/sysconfig/nfs
	# lockd ports
	set_arg "LOCKD_UDPPORT" "$OCF_RESKEY_lockd_udp_port" "$tmpconfig"
	set_arg "LOCKD_TCPPORT" "$OCF_RESKEY_lockd_tcp_port" "$tmpconfig"

	# rquotad_port
	set_arg "RPCRQUOTADOPTS" "$OCF_RESKEY_rquotad_port" "$tmpconfig"

	# override local nfs config. preserve previous local config though.
	if [ -s $tmpconfig ]; then
		cat $NFS_SYSCONFIG | grep -e "$NFS_SYSCONFIG_AUTOGEN_TAG"
		if [ $? -ne 0 ]; then
			# backup local nfs config if it doesn't have our HA autogen tag in it.
			mv -f $NFS_SYSCONFIG $NFS_SYSCONFIG_LOCAL_BACKUP
		fi
		echo "# $NFS_SYSCONFIG_AUTOGEN_TAG" > $NFS_SYSCONFIG
		echo "# local config backup stored here, '$NFS_SYSCONFIG_LOCAL_BACKUP'" >> $NFS_SYSCONFIG
		cat $tmpconfig >> $NFS_SYSCONFIG
	fi
	rm -f $tmpconfig
}

prepare_directory ()
@@ -514,6 +613,10 @@ renotify_locks()
		opts="$opts -m $OCF_RESKEY_nfs_smnotify_retry_time"
	fi

	if [ -n "$OCF_RESKEY_statd_outgoing_port" ]; then
		opts="$opts -p $OCF_RESKEY_statd_outgoing_port"
	fi

	# forces re-notificaiton regardless if notifies have already gone out
	opts="$opts -f"

@@ -542,6 +645,7 @@ nfsserver_start ()
		return $OCF_SUCCESS
	fi

	set_env_args
	prepare_directory
	bind_tree

@@ -567,13 +671,11 @@ nfsserver_start ()
		ocf_log info "rpc.statd already up"
	fi

	set_nfsd_args
	fn=`mktemp`
	nfs_exec start > $fn 2>&1
	rc=$?
	ocf_log debug "$(cat $fn)"
	rm -f $fn
	cleanup_nfsd_args

	if [ $rc -ne 0 ]; then
		ocf_log err "Failed to start NFS server"