/usr/share/cluster/drbd.sh is in drbd-utils 8.9.2~rc1-2+deb8u1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | #!/bin/bash
#
# Copyright LINBIT, 2008
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
# MA 02139, USA.
#
#
# DRBD resource management using the drbdadm utility.
#
LC_ALL=C
LANG=C
PATH=/bin:/sbin:/usr/bin:/usr/sbin
export LC_ALL LANG PATH
. $(dirname $0)/ocf-shellfuncs
drbd_verify_all()
{
# Do we have the drbdadm utility?
if ! which drbdadm >/dev/null 2>&1 ; then
ocf_log error "drbdadm not installed, not found in PATH ($PATH), or not executable."
return $OCF_ERR_INSTALLED
fi
# Is drbd loaded?
if ! grep drbd /proc/modules >/dev/null 2>&1; then
ocf_log error "drbd not found in /proc/modules. Do you need to modprobe?"
return $OCF_ERR_INSTALLED
fi
# Do we have the "resource" parameter?
if [ -n "$OCF_RESKEY_resource" ]; then
# Can drbdadm parse the resource name?
if ! drbdadm sh-dev $OCF_RESKEY_resource >/dev/null 2>&1; then
ocf_log error "DRBD resource \"$OCF_RESKEY_resource\" not found."
return $OCF_ERR_CONFIGURED
fi
# Is the backing device a locally available block device?
backing_dev=$(drbdadm sh-ll-dev $OCF_RESKEY_resource)
for dev in $backing_dev ; do
[ -b $dev ] && continue;
ocf_log error "Backing device for DRBD resource \"$OCF_RESKEY_resource\" ($dev) not found or not a block device."
return $OCF_ERR_INSTALLED
done
fi
return 0
}
drbd_status() {
local all_primary=true
for role in $(drbdadm role $OCF_RESKEY_resource); do
case $role in
Primary/*)
;;
Secondary/*)
all_primary=false
;;
*)
return $OCF_ERR_GENERIC
;;
esac
done
$all_primary && return $OCF_SUCCESS
return $OCF_NOT_RUNNING
}
drbd_promote() {
drbdadm primary $OCF_RESKEY_resource || return $?
}
drbd_demote() {
drbdadm secondary $OCF_RESKEY_resource || return $?
}
if [ -z "$OCF_CHECK_LEVEL" ]; then
OCF_CHECK_LEVEL=0
fi
# This one doesn't need to pass the verify check
case $1 in
meta-data)
cat `echo $0 | sed 's/^\(.*\)\.sh$/\1.metadata/'` && exit 0
exit $OCF_ERR_GENERIC
;;
esac
# Everything else does
drbd_verify_all || exit $?
case $1 in
start)
if drbd_status; then
ocf_log debug "DRBD resource ${OCF_RESKEY_resource} already configured"
exit 0
fi
drbd_promote
if [ $? -ne 0 ]; then
exit $OCF_ERR_GENERIC
fi
exit $?
;;
stop)
if drbd_status; then
drbd_demote
if [ $? -ne 0 ]; then
exit $OCF_ERR_GENERIC
fi
else
ocf_log debug "DRBD resource ${OCF_RESKEY_resource} is not configured"
fi
exit 0
;;
status|monitor)
drbd_status
exit $?
;;
restart)
$0 stop || exit $OCF_ERR_GENERIC
$0 start || exit $OCF_ERR_GENERIC
exit 0
;;
verify-all)
exit 0
;;
*)
echo "usage: $0 {start|stop|status|monitor|restart|meta-data|verify-all}"
exit $OCF_ERR_GENERIC
;;
esac
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