1#!/bin/sh 2# 3# Copyright (c) 2010 The FreeBSD Foundation 4# All rights reserved. 5# 6# This software was developed by Pawel Jakub Dawidek under sponsorship from 7# the FreeBSD Foundation. 8# 9# Redistribution and use in source and binary forms, with or without 10# modification, are permitted provided that the following conditions 11# are met: 12# 1. Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# 2. Redistributions in binary form must reproduce the above copyright 15# notice, this list of conditions and the following disclaimer in the 16# documentation and/or other materials provided with the distribution. 17# 18# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 22# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28# SUCH DAMAGE. 29# 30# $FreeBSD$ 31 32# Resource name as defined in /etc/hast.conf. 33resource="test" 34# Supported file system types: UFS, ZFS 35fstype="UFS" 36# ZFS pool name. Required only when fstype == ZFS. 37pool="test" 38# File system mount point. Required only when fstype == UFS. 39mountpoint="/mnt/test" 40# Name of HAST provider as defined in /etc/hast.conf. 41device="/dev/hast/${resource}" 42 43export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin 44 45# If there is secondary worker process, it means that remote primary process is 46# still running. We have to wait for it to terminate. 47for i in `jot 30`; do 48 pgrep -f "hastd: ${resource} \(secondary\)" >/dev/null 2>&1 || break 49 sleep 1 50done 51if pgrep -f "hastd: ${resource} \(secondary\)" >/dev/null 2>&1; then 52 logger -p local0.error -t hast "Secondary process for resource ${resource} is still running after 30 seconds." 53 exit 1 54fi 55logger -p local0.debug -t hast "Secondary process in not running." 56 57# Change role to primary for our resource. 58out=`hastctl role primary "${resource}" 2>&1` 59if [ $? -ne 0 ]; then 60 logger -p local0.error -t hast "Unable to change to role to primary for resource ${resource}: ${out}." 61 exit 1 62fi 63# Wait few seconds for provider to appear. 64for i in `jot 50`; do 65 [ -c "${device}" ] && break 66 sleep 0.1 67done 68if [ ! -c "${device}" ]; then 69 logger -p local0.error -t hast "Device ${device} didn't appear." 70 exit 1 71fi 72logger -p local0.debug -t hast "Role for resource ${resource} changed to primary." 73 74case "${fstype}" in 75UFS) 76 # Check the file system. 77 fsck -y -t ufs "${device}" >/dev/null 2>&1 78 if [ $? -ne 0 ]; then 79 logger -p local0.error -t hast "File system check for resource ${resource} failed." 80 exit 1 81 fi 82 logger -p local0.debug -t hast "File system check for resource ${resource} finished." 83 # Mount the file system. 84 out=`mount -t ufs "${device}" "${mountpoint}" 2>&1` 85 if [ $? -ne 0 ]; then 86 logger -p local0.error -t hast "File system mount for resource ${resource} failed: ${out}." 87 exit 1 88 fi 89 logger -p local0.debug -t hast "File system for resource ${resource} mounted." 90 ;; 91ZFS) 92 # Import ZFS pool. Do it forcibly as it remembers hostid of 93 # the other cluster node. 94 out=`zpool import -f "${pool}" 2>&1` 95 if [ $? -ne 0 ]; then 96 logger -p local0.error -t hast "ZFS pool import for resource ${resource} failed: ${out}." 97 exit 1 98 fi 99 logger -p local0.debug -t hast "ZFS pool for resource ${resource} imported." 100 ;; 101esac 102 103logger -p local0.info -t hast "Successfully switched to primary for resource ${resource}." 104 105exit 0 106