/usr/lib/ocf/resource.d/heartbeat/nfsserver is in resource-agents 1:3.9.3+git20121009-3ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# nfsserver
#
# Description: Manages nfs server as OCF resource
# by hxinwei@gmail.com
# License: GNU General Public License v2 (GPLv2) and later
if [ -n "$OCF_DEBUG_LIBRARY" ]; then
. $OCF_DEBUG_LIBRARY
else
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
fi
DEFAULT_INIT_SCRIPT="/etc/init.d/nfsserver"
DEFAULT_NOTIFY_CMD="/sbin/sm-notify"
DEFAULT_RPCPIPEFS_DIR="/var/lib/nfs/rpc_pipefs"
nfsserver_meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="nfsserver">
<version>1.0</version>
<longdesc lang="en">
Nfsserver helps one to manage the Linux nfs server as a failover-able resource in Linux-HA.
It depends on Linux specific NFS implementation details, so is considered not portable to other platforms yet.
</longdesc>
<shortdesc lang="en">Manages an NFS server</shortdesc>
<parameters>
<parameter name="nfs_init_script" unique="0" required="0">
<longdesc lang="en">
The default init script shipped with the Linux distro.
The nfsserver resource agent offloads the start/stop/monitor work to the init script because the procedure to start/stop/monitor nfsserver varies on different Linux distro.
</longdesc>
<shortdesc lang="en">
Init script for nfsserver
</shortdesc>
<content type="string" default="$DEFAULT_INIT_SCRIPT" />
</parameter>
<parameter name="nfs_notify_cmd" unique="0" required="0">
<longdesc lang="en">
The tool to send out NSM reboot notification.
Failover of nfsserver can be considered as rebooting to different machines.
The nfsserver resource agent use this command to notify all clients about the happening of failover.
</longdesc>
<shortdesc lang="en">
The tool to send out notification.
</shortdesc>
<content type="string" default="$DEFAULT_NOTIFY_CMD" />
</parameter>
<parameter name="nfs_shared_infodir" unique="0" required="1">
<longdesc lang="en">
The nfsserver resource agent will save nfs related information in this specific directory.
And this directory must be able to fail-over before nfsserver itself.
</longdesc>
<shortdesc lang="en">
Directory to store nfs server related information.
</shortdesc>
<content type="string" default="" />
</parameter>
<parameter name="nfs_ip" unique="0" required="1">
<longdesc lang="en">
Comma separated list of floating IP addresses used to access the nfs service
</longdesc>
<shortdesc lang="en">
IP addresses.
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="rpcpipefs_dir" unique="0" required="0">
<longdesc lang="en">
The mount point for the sunrpc file system. Default is $DEFAULT_RPCPIPEFS_DIR .
This script will mount(bind) nfs_shared_infodir on /var/lib/nfs/ (can not be changed),
and this script will mount the sunrpc file system on $DEFAULT_RPCPIPEFS_DIR (default, can be changed by this parameter).
If you want to move only rpc_pipefs/ (e.g. to keep rpc_pipefs/ local) from default , please set this value.
</longdesc>
<shortdesc lang="en">
The mount point for the sunrpc file system.
</shortdesc>
<content type="string" default="$DEFAULT_RPCPIPEFS_DIR" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="40" />
<action name="stop" timeout="20s" />
<action name="monitor" depth="0" timeout="20s" interval="10" />
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="30" />
</actions>
</resource-agent>
END
return $OCF_SUCCESS
}
nfsserver_usage() {
cat <<END
usage: $0 {start|stop|monitor|status|validate-all|meta-data}
END
}
if [ $# -ne 1 ]; then
nfsserver_usage
exit $OCF_ERR_ARGS
fi
case $__OCF_ACTION in
meta-data) nfsserver_meta_data
exit $OCF_SUCCESS
;;
usage|help) nfsserver_usage
exit $OCF_SUCCESS
;;
*)
;;
esac
fp="$OCF_RESKEY_nfs_shared_infodir"
: ${OCF_RESKEY_nfs_init_script="$DEFAULT_INIT_SCRIPT"}
: ${OCF_RESKEY_nfs_notify_cmd="$DEFAULT_NOTIFY_CMD"}
if [ -z ${OCF_RESKEY_rpcpipefs_dir} ]; then
rpcpipefs_make_dir=$fp/rpc_pipefs
rpcpipefs_umount_dir=${DEFAULT_RPCPIPEFS_DIR}
else
rpcpipefs_make_dir=${OCF_RESKEY_rpcpipefs_dir}
rpcpipefs_umount_dir=${OCF_RESKEY_rpcpipefs_dir}
fi
nfsserver_monitor ()
{
fn=`mktemp`
${OCF_RESKEY_nfs_init_script} status > $fn 2>&1
rc=$?
ocf_log debug `cat $fn`
rm -f $fn
#Adapte LSB status code to OCF return code
if [ $rc -eq 0 ]; then
return $OCF_SUCCESS
elif [ $rc -eq 3 ]; then
return $OCF_NOT_RUNNING
else
return $OCF_ERR_GENERIC
fi
}
prepare_directory ()
{
[ -d "$fp" ] || mkdir -p $fp
[ -d "$rpcpipefs_make_dir" ] || mkdir -p $rpcpipefs_make_dir
[ -d "$fp/sm" ] || mkdir -p $fp/sm
[ -d "$fp/sm.ha" ] || mkdir -p $fp/sm.ha
[ -d "$fp/sm.bak" ] || mkdir -p $fp/sm.bak
[ -d "$fp/v4recovery" ] || mkdir -p $fp/v4recovery
}
is_bound ()
{
mount | grep -q "$1 on $2 type none (.*bind)"
return $?
}
bind_tree ()
{
if is_bound $fp /var/lib/nfs; then
ocf_log debug "$fp is already bound to /var/lib/nfs"
return 0
fi
mount --bind $fp /var/lib/nfs
}
unbind_tree ()
{
if `mount | grep -q " on $rpcpipefs_umount_dir"`; then
umount -t rpc_pipefs $rpcpipefs_umount_dir
fi
if is_bound $fp /var/lib/nfs; then
umount /var/lib/nfs
fi
}
nfsserver_start ()
{
if nfsserver_monitor; then
ocf_log debug "NFS server is already started"
return $OCF_SUCCESS
fi
prepare_directory
bind_tree
rm -rf /var/lib/nfs/sm.ha/* > /dev/null 2>&1
cp -rf /var/lib/nfs/sm /var/lib/nfs/sm.bak /var/lib/nfs/state /var/lib/nfs/sm.ha > /dev/null 2>&1
ocf_log info "Starting NFS server ..."
fn=`mktemp`
${OCF_RESKEY_nfs_init_script} start > $fn 2>&1
rc=$?
ocf_log debug `cat $fn`
rm -f $fn
if [ $rc -ne 0 ]; then
ocf_log err "Failed to start NFS server"
return $rc
fi
#Notify the nfs server has been moved or rebooted
#The init script do that already, but with the hostname, which may be ignored by client
#we have to do it again with the nfs_ip
local opts="-f -v"
echo $OCF_RESKEY_nfs_notify_cmd | grep -qws rpc.statd &&
opts=""
rm -rf /var/lib/nfs/sm.ha.save > /dev/null 2>&1
cp -rf /var/lib/nfs/sm.ha /var/lib/nfs/sm.ha.save > /dev/null 2>&1
for ip in `echo ${OCF_RESKEY_nfs_ip} | sed 's/,/ /g'`; do
${OCF_RESKEY_nfs_notify_cmd} $opts $ip -P /var/lib/nfs/sm.ha
rm -rf /var/lib/nfs/sm.ha > /dev/null 2>&1
cp -rf /var/lib/nfs/sm.ha.save /var/lib/nfs/sm.ha > /dev/null 2>&1
done
ocf_log info "NFS server started"
return $OCF_SUCCESS
}
nfsserver_stop ()
{
ocf_log info "Stopping NFS server ..."
fn=`mktemp`
${OCF_RESKEY_nfs_init_script} stop > $fn 2>&1
rc=$?
ocf_log debug `cat $fn`
rm -f $fn
if [ $rc -eq 0 ]; then
unbind_tree
ocf_log info "NFS server stopped"
return $OCF_SUCCESS
fi
ocf_log err "Failed to stop NFS server"
return $rc
}
nfsserver_validate ()
{
check_binary ${OCF_RESKEY_nfs_init_script}
check_binary ${OCF_RESKEY_nfs_notify_cmd}
if [ x = x"${OCF_RESKEY_nfs_ip}" ]; then
ocf_log err "nfs_ip not set"
exit $OCF_ERR_CONFIGURED
fi
if [ x = "x$OCF_RESKEY_nfs_shared_infodir" ]; then
ocf_log err "nfs_shared_infodir not set"
exit $OCF_ERR_CONFIGURED
fi
return $OCF_SUCCESS
}
if [ -n "$OCF_RESKEY_CRM_meta_clone" ]; then
ocf_log err "THIS RA DO NOT SUPPORT CLONE MODE!"
exit $OCF_ERR_CONFIGURED
fi
nfsserver_validate
case $__OCF_ACTION in
start) nfsserver_start
;;
stop) nfsserver_stop
;;
monitor) nfsserver_monitor
;;
validate-all) exit $OCF_SUCCESS
;;
*) nfsserver_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
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