functions-newfs.sh revision 211730
1#!/bin/sh
2#-
3# Copyright (c) 2010 iXsystems, 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
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10# 2. Redistributions in binary form must reproduce the above copyright
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12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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26# $FreeBSD: head/usr.sbin/pc-sysinstall/backend/functions-newfs.sh 211730 2010-08-24 06:11:46Z imp $
27
28# Functions related to disk operations using newfs
29
30
31# Function which performs the ZFS magic
32setup_zfs_filesystem()
33{
34  PART="$1"
35  PARTFS="$2"
36  PARTMNT="$3"
37  EXT="$4"
38  PARTGEOM="$5"
39  ZPOOLOPTS="$6"
40  ROOTSLICE="`echo ${PART} | rev | cut -b 2- | rev`"
41  ZPOOLNAME=$(get_zpool_name "${PART}")
42
43  # Sleep a few moments, let the disk catch its breath
44  sleep 5
45  sync
46
47  # Check if we have some custom zpool arguments and use them if so
48  if [ ! -z "${ZPOOLOPTS}" ] ; then
49    rc_halt "zpool create -m none -f ${ZPOOLNAME} ${ZPOOLOPTS}"
50  else
51    # No zpool options, create pool on single device
52    rc_halt "zpool create -m none -f ${ZPOOLNAME} ${PART}${EXT}"
53  fi
54
55  # Disable atime for this zfs partition, speed increase
56  rc_nohalt "zfs set atime=off ${ZPOOLNAME}"
57
58  # Check if we have multiple zfs mounts specified
59  for i in `echo ${PARTMNT} | sed 's|,| |g'`
60  do
61    # Check if we ended up with needing a zfs bootable partition
62    if [ "${i}" = "/" -o "${i}" = "/boot" ]
63    then
64      if [ "$HAVEBOOT" = "YES" ] ; then continue ; fi
65      if [ "${PARTGEOM}" = "MBR" ]
66      then
67        # Lets stamp the proper ZFS boot loader
68        echo_log "Setting up ZFS boot loader support" 
69        rc_halt "zpool set bootfs=${ZPOOLNAME} ${ZPOOLNAME}"
70        rc_halt "zpool export ${ZPOOLNAME}"
71        rc_halt "dd if=/boot/zfsboot of=/dev/${ROOTSLICE} count=1"
72        rc_halt "dd if=/boot/zfsboot of=/dev/${PART}${EXT} skip=1 seek=1024"
73        rc_halt "zpool import ${ZPOOLNAME}"
74      fi
75    fi
76  done 
77
78};
79
80# Runs newfs on all the partiions which we've setup with bsdlabel
81setup_filesystems()
82{
83
84  # Create the keydir
85  rm -rf ${GELIKEYDIR} >/dev/null 2>/dev/null
86  mkdir ${GELIKEYDIR}
87
88  # Lets go ahead and read through the saved partitions we created, and determine if we need to run
89  # newfs on any of them
90  for PART in `ls ${PARTDIR}`
91  do
92    if [ ! -e "/dev/${PART}" ]
93    then
94      exit_err "ERROR: The partition ${PART} does not exist. Failure in bsdlabel?"
95    fi 
96     
97    PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"
98    PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"
99    PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"
100    PARTLABEL="`cat ${PARTDIR}/${PART} | cut -d ':' -f 4`"
101    PARTGEOM="`cat ${PARTDIR}/${PART} | cut -d ':' -f 5`"
102    PARTXTRAOPTS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 6`"
103
104    # Make sure journaling isn't enabled on this device
105    if [ -e "/dev/${PART}.journal" ]
106    then
107      rc_nohalt "gjournal stop -f ${PART}.journal"
108      rc_nohalt "gjournal clear ${PART}"
109    fi
110
111    # Setup encryption if necessary
112    if [ "${PARTENC}" = "ON" -a "${PARTFS}" != "SWAP" ]
113    then
114      echo_log "Creating geli provider for ${PART}"
115      rc_halt "dd if=/dev/random of=${GELIKEYDIR}/${PART}.key bs=64 count=1"
116      rc_halt "geli init -b -s 4096 -P -K ${GELIKEYDIR}/${PART}.key /dev/${PART}"
117      rc_halt "geli attach -p -k ${GELIKEYDIR}/${PART}.key /dev/${PART}"
118
119      EXT=".eli"
120    else
121      # No Encryption
122      EXT=""
123    fi
124
125    case ${PARTFS} in
126      UFS)
127        echo_log "NEWFS: /dev/${PART} - ${PARTFS}"
128        sleep 2
129        rc_halt "newfs /dev/${PART}${EXT}"
130        sleep 2
131        rc_halt "sync"
132        rc_halt "glabel label ${PARTLABEL} /dev/${PART}${EXT}"
133        rc_halt "sync"
134
135        # Set flag that we've found a boot partition
136        if [ "$PARTMNT" = "/boot" -o "${PARTMNT}" = "/" ] ; then
137		  HAVEBOOT="YES"
138        fi
139        sleep 2
140        ;;
141
142      UFS+S)
143        echo_log "NEWFS: /dev/${PART} - ${PARTFS}"
144        sleep 2
145        rc_halt "newfs -U /dev/${PART}${EXT}"
146        sleep 2
147        rc_halt "sync"
148        rc_halt "glabel label ${PARTLABEL} /dev/${PART}${EXT}"
149        rc_halt "sync"
150	    # Set flag that we've found a boot partition
151	    if [ "$PARTMNT" = "/boot" -o "${PARTMNT}" = "/" ] ; then
152          HAVEBOOT="YES"
153        fi
154        sleep 2
155        ;;
156
157      UFS+J)
158        echo_log "NEWFS: /dev/${PART} - ${PARTFS}"
159        sleep 2
160        rc_halt "newfs /dev/${PART}${EXT}"
161        sleep 2
162        rc_halt "gjournal label -f /dev/${PART}${EXT}"
163        sleep 2
164        rc_halt "newfs -O 2 -J /dev/${PART}${EXT}.journal"
165        sleep 2
166        rc_halt "sync"
167        rc_halt "glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal"
168        rc_halt "sync"
169	    # Set flag that we've found a boot partition
170	    if [ "$PARTMNT" = "/boot" -o "${PARTMNT}" = "/" ] ; then
171          HAVEBOOT="YES"
172  	    fi
173        sleep 2
174        ;;
175
176      ZFS)
177        echo_log "NEWFS: /dev/${PART} - ${PARTFS}" 
178        setup_zfs_filesystem "${PART}" "${PARTFS}" "${PARTMNT}" "${EXT}" "${PARTGEOM}" "${PARTXTRAOPTS}"
179        ;;
180
181      SWAP)
182        rc_halt "sync"
183        rc_halt "glabel label ${PARTLABEL} /dev/${PART}${EXT}" 
184        rc_halt "sync"
185        sleep 2
186        ;;
187
188      *) exit_err "ERROR: Got unknown file-system type $PARTFS" ;;
189    esac
190
191  done
192};
193