308 lines
7.2 KiB
Bash
308 lines
7.2 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2013-2014 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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#
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# Support: www.windriver.com
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#
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# Purpose: This resource agent manages File System Service
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#
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# RA Spec:
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#
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# http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD
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#
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#######################################################################
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# Initialization:
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: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
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. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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#######################################################################
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#######################################################################
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usage() {
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cat <<UEND
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usage: $0 (start|stop|status|reload|monitor|validate-all|meta-data)
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$0 manages the File System as an HA resource
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The 'start'...... operation starts the service.
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The 'stop'....... operation stops the service.
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The 'reload'..... operation stops and then starts the service.
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The 'status'..... operation checks the status of the service.
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The 'monitor'.... operation indicates the in-service status of the service.
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The 'validate-all' operation reports whether the parameters are valid.
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The 'meta-data'... operation reports the meta-data information.
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UEND
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}
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#######################################################################
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meta_data() {
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cat <<END
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<?xml version="1.0"?>
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<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
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<resource-agent name="nfsserver-mgmt">
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<version>1.0</version>
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<longdesc lang="en">
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This OCF Compliant Resource Agent makes sure the nfs server is in the
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correct state.
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</longdesc>
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<shortdesc lang="en">
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Makes sure the NFS Server is in the correct state.
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</shortdesc>
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<parameters>
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<parameter name="exports" required="1">
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<longdesc lang="en">List of exports that should not be exported anymore</longdesc>
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<shortdesc lang="en">List of exports</shortdesc>
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<content type="string" default=""/>
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</parameter>
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<parameter name="mounts" required="1">
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<longdesc lang="en">List of mounts that should not be mounted anymore</longdesc>
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<shortdesc lang="en">List of mounts</shortdesc>
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<content type="string" default=""/>
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</parameter>
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</parameters>
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<actions>
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<action name="start" timeout="10s" />
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<action name="stop" timeout="130s" />
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<action name="monitor" timeout="10s" interval="30s" />
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<action name="meta-data" timeout="10s" />
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<action name="validate-all" timeout="10s" />
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</actions>
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</resource-agent>
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END
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return ${OCF_SUCCESS}
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}
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nfs_server_mgmt_validate() {
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check_binary service
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check_binary grep
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check_binary cat
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check_binary exportfs
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check_binary fuser
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check_binary mount
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check_binary umount
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check_binary logger
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return ${OCF_SUCCESS}
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}
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nfs_server_mgmt_status() {
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return ${OCF_NOT_RUNNING}
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}
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nfs_server_mgmt_monitor () {
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return ${OCF_NOT_RUNNING}
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}
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check_exportfs () {
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local CLIENTSPEC_DIR=$1
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local rc
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OLD_IFS="${IFS}"
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IFS=":"
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STR_ARRAY=( $CLIENTSPEC_DIR )
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IFS="${OLD_IFS}"
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CLIENTSPEC=${STR_ARRAY[0]}
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DIR=${STR_ARRAY[1]}
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cat /proc/fs/nfsd/exports | grep "${CLIENTSPEC}" | grep "${DIR}" > /dev/null 2>&1
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rc=$?
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if [ ${rc} -eq 0 ]
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then
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return 1
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fi
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exportfs | grep "${CLIENTSPEC}" | grep "${DIR}" > /dev/null 2>&1
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rc=$?
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if [ ${rc} -eq 0 ]
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then
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return 1
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fi
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return 0
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}
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do_nfs_restart () {
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while true
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do
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ocf_log info "NFS Server restart"
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service nfsserver restart
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ocf_log info "NFS Server restart complete"
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service nfsserver status | grep stopped > /dev/null 2>&1 || {
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ocf_log info "NFS Server is now running"
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return ${OCF_SUCCESS}
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}
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ocf_log error "NFS Server still not running"
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sleep 5
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done
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}
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do_umount () {
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local DEV_DIR=$1
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OLD_IFS="${IFS}"
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IFS=":"
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STR_ARRAY=( $DEV_DIR )
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IFS="${OLD_IFS}"
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DEV=${STR_ARRAY[0]}
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DIR=${STR_ARRAY[1]}
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mount | grep "${DEV}" | grep "${DIR}" > /dev/null 2>&1 || {
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ocf_log info "${DEV} ${DIR} not mounted"
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return ${OCF_SUCCESS}
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}
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ocf_log info "umount on ${DEV} ${DIR}"
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umount ${DEV} ${DIR} > /dev/null 2>&1
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while true
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do
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mount | grep "${DEV}" | grep "${DIR}" > /dev/null 2>&1 || {
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ocf_log info "unmounted ${DEV} ${DIR} successfully"
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return ${OCF_SUCCESS}
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}
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if fuser -KILL -m -k ${DIR}
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then
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ocf_log info "Processes killed using ${DEV} ${DIR}"
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else
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ocf_log info "No processes using ${DEV} ${DIR}"
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fi
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ocf_log info "umount force on ${DEV} ${DIR}"
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umount -f ${DEV} ${DIR} > /dev/null 2>&1
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sleep 2
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mount | grep "${DEV}" | grep "${DIR}" > /dev/null 2>&1 || {
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ocf_log info "unmounted ${DEV} ${DIR} successfully"
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return ${OCF_SUCCESS}
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}
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do_nfs_restart
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done
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return ${OCF_SUCCESS}
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}
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nfs_server_mgmt_start () {
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service nfsserver status | grep stopped > /dev/null 2>&1 || {
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ocf_log info "NFS Server is running"
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return ${OCF_SUCCESS}
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}
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ocf_log error "NFS Server not running, restarting"
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do_nfs_restart
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return $?
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}
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nfs_server_mgmt_stop () {
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local need_nfs_restart=0
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local rc
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# Make sure exports are stopped...
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while IFS=',' read -ra CLIENTSPEC_DIRS
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do
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for CLIENTSPEC_DIR in "${CLIENTSPEC_DIRS[@]}"
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do
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check_exportfs ${CLIENTSPEC_DIR}
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rc=$?
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if [ ${rc} -eq 1 ]
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then
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ocf_log info "export ${CLIENTSPEC_DIR} found"
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let need_nfs_restart=1
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fi
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done
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done <<< "${OCF_RESKEY_exports}"
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if [ ${need_nfs_restart} -ne 0 ]
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then
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do_nfs_restart
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rc=$?
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if [ ${rc} -ne ${OCF_SUCCESS} ]
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then
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return ${rc}
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fi
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fi
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# Make sure mounts are not mounted.
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while IFS=',' read -ra MOUNTS
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do
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for MOUNT in "${MOUNTS[@]}"
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do
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do_umount ${MOUNT}
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done
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done <<< "${OCF_RESKEY_mounts}"
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return ${OCF_SUCCESS}
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}
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nfs_server_mgmt_reload () {
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local rc
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nfs_server_mgmt_stop
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rc=$?
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if [ $rc -eq ${OCF_SUCCESS} ]
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then
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nfs_server_mgmt_start
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rc=$?
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if [ $rc -eq ${OCF_SUCCESS} ]
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then
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ocf_log info "NFS Server Managment reloaded"
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fi
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fi
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if [ ${rc} -ne ${OCF_SUCCESS} ]
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then
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ocf_log info "NFS Server Managment reload failed (rc=${rc})"
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fi
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return ${rc}
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}
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case ${__OCF_ACTION} in
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meta-data) meta_data
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exit ${OCF_SUCCESS}
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;;
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usage|help) usage
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exit ${OCF_SUCCESS}
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;;
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esac
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# Anything except meta-data and help must pass validation
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nfs_server_mgmt_validate || exit $?
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case ${__OCF_ACTION} in
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start) nfs_server_mgmt_start
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;;
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stop) nfs_server_mgmt_stop
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;;
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status) nfs_server_mgmt_status
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;;
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reload) nfs_server_mgmt_reload
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;;
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monitor) nfs_server_mgmt_monitor
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;;
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validate-all) nfs_server_mgmt_validate
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;;
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*) usage
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exit ${OCF_ERR_UNIMPLEMENTED}
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;;
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esac
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