disk-part.sh revision 209513 
1#!/bin/sh
2#-
3# Copyright (c) 2010 iX Systems, Inc.  All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD: head/usr.sbin/pc-sysinstall/backend-query/disk-part.sh 209513 2010-06-24 22:21:47Z imp $
27
28# Query a disk for partitions and display them
29#############################
30
31. ${PROGDIR}/backend/functions.sh
32. ${PROGDIR}/backend/functions-disk.sh
33
34if [ -z "${1}" ]
35then
36  echo "Error: No disk specified!"
37  exit 1
38fi
39
40if [ ! -e "/dev/${1}" ]
41then
42  echo "Error: Disk /dev/${1} does not exist!"
43  exit 1
44fi
45
46DISK="${1}"
47
48# Now get the disks size in MB
49KB="`diskinfo -v ${1} | grep 'bytes' | cut -d '#' -f 1 | tr -s '\t' ' ' | tr -d ' '`"
50MB=$(convert_byte_to_megabyte ${KB})
51TOTALSIZE="$MB"
52TOTALB="`diskinfo -v ${1} | grep 'in sectors' | tr -s '\t' ' ' | cut -d ' ' -f 2`"
53
54
55
56gpart show ${1} >/dev/null 2>/dev/null
57if [ "$?" != "0" ] ; then
58  # No partitions on this disk, display entire disk size and exit
59  echo "${1}-freemb: ${TOTALSIZE}"
60  echo "${1}-freeblocks: ${TOTALB}"
61  exit
62fi
63
64# Display if this is GPT or MBR formatted
65gpart show ${1} | grep "GPT" >/dev/null 2>/dev/null
66if [ "$?" = "0" ] ; then
67  echo "${1}-format: GPT"
68  TYPE="GPT"
69else
70  echo "${1}-format: MBR"
71  TYPE="MBR"
72fi
73
74# Set some search flags
75PART="0"
76EXTENDED="0"
77START="0"
78SIZEB="0"
79
80# Get a listing of partitions on this disk
81get_disk_partitions "${DISK}"
82PARTS="${VAL}"
83for curpart in $PARTS
84do
85
86  # First get the sysid / label for this partition
87  if [ "$TYPE" = "MBR" ] ; then
88     get_partition_sysid_mbr "${DISK}" "${curpart}"
89     echo "${curpart}-sysid: ${VAL}"
90     get_partition_label_mbr "${DISK}" "${curpart}"
91     echo "${curpart}-label: ${VAL}"
92  else
93     get_partition_label_gpt "${DISK}" "${curpart}"
94     echo "${curpart}-sysid: ${VAL}"
95     echo "${curpart}-label: ${VAL}"
96  fi
97
98  # Now get the startblock, blocksize and MB size of this partition
99
100  get_partition_startblock "${DISK}" "${curpart}"
101  START="${VAL}"
102  echo "${curpart}-blockstart: ${START}"
103
104  get_partition_blocksize "${DISK}" "${curpart}"
105  SIZEB="${VAL}"
106  echo "${curpart}-blocksize: ${SIZEB}"
107
108  SIZEMB=$(convert_blocks_to_megabyte ${SIZEB})
109  echo "${curpart}-sizemb: ${SIZEMB}"
110
111done
112
113
114# Now calculate any free space
115LASTB="`expr $SIZEB + $START`"
116FREEB="`expr $TOTALB - $LASTB`"
117FREEMB="`expr ${FREEB} / 2048`"
118echo "${1}-freemb: $FREEMB"
119echo "${1}-freeblocks: $FREEB"
120