share/examples/rconfig/hammer_ccd_mirror.sh

   1 #!/bin/sh
   2 #
   3 # HAMMER INSTALLATION on a CCD disk (mirror)
   4 #
   5 # You should modify disklist to match the disks you want to use.
   6 # Please BE CAREFUL when doing so.
   7 #
   8 #
   9 # set -x
  10
  11 disklist="da0 da1"
  12 bootdisk=""
  13 logfile="/tmp/hammer_ccd_mirror.log"
  14 contents_dir="/tmp/contents"
  15
  16 #
  17 # err exitval message
  18 #     Display an error and exit
  19 #
  20 err()
  21 {
  22     exitval=$1
  23     shift
  24
  25     echo 1>&2 "$0: ERROR: $*"
  26     exit $exitval
  27 }
  28
  29 #
  30 # cktmpdir
  31 #
  32 #     Checks whether /tmp is writeable.
  33 #     Exit if not
  34 #
  35 cktmpdir()
  36 {
  37     mktemp "/tmp/XXX" >> ${logfile} 2>&1
  38
  39     if [ $? -ne 0 ]; then
  40         err 1 "/tmp directory must be writeable"
  41     fi
  42 }
  43
  44 #
  45 # ckpreinstall
  46 #
  47 #
  48 ckpreinstall()
  49 {
  50     # No pre-install checks
  51 }
  52
  53 #
  54 # ccdexit
  55 #
  56 ccdexit()
  57 {
  58     local status=$1
  59
  60     if [ $# -ne 0 ]; then
  61         if [ ${status} -eq 0 ]; then
  62                 return
  63                 fi
  64     fi
  65
  66     echo ""
  67     echo "ccd operations were not sucessfully performed,"
  68     echo "it is highly probably you have to reboot this computer now."
  69     exit 1
  70 }
  71
  72 #
  73 # ckstatus status progname
  74 #
  75 #     Checks exit status of programs and if it fails
  76 #     it exists with a message
  77 #
  78 ckstatus()
  79 {
  80     local st=$1
  81     local prog=$2
  82
  83     if [ ${st} -ne 0 ]; then
  84         err 1 "Failed to run $2. Check ${logfile}"
  85     fi
  86 }
  87
  88 #
  89 # ckloadmod modname
  90 #
  91 #     Checks if a module is loaded, if not
  92 #     it tries to load it. In case of failure
  93 #     it exits
  94 #
  95 ckloadmod()
  96 {
  97     local mod=$1
  98
  99     if ! kldstat -q -m ${mod}; then
 100         kldload $1 >> ${logfile} 2>&1
 101
 102         if [ $? -ne 0 ]; then
 103             err 1 "Could not load ${mod}"
 104         fi
 105     fi
 106 }
 107
 108 #
 109 # prepdisk disk
 110 #
 111 #     Clears the first sectors of the disk
 112 #     and then prepares the disk for disklabel.
 113 #     It also installs bootblocks in the first
 114 #     disk of the list.
 115 #
 116 prepdisk()
 117 {
 118     local disk=$1
 119
 120     # Hey don't shoot yourself in the foot
 121     if [ ! "$disk" = "" ]; then
 122         mount | fgrep ${disk} >> ${logfile} 2>&1
 123
 124         if [ $? -ne 1 ]; then
 125             err 1 "${disk} is already being used, aborting"
 126         fi
 127     fi
 128
 129     if [ "${bootdisk}" = "" ]; then
 130         bootdisk=${disk}
 131     fi
 132
 133     dd if=/dev/zero of=/dev/${disk} bs=32k count=16 >> ${logfile} 2>&1
 134     ckstatus $? "dd"
 135
 136     fdisk -IB ${disk} >> ${logfile} 2>&1
 137     ckstatus $? "fdisk"
 138
 139     disklabel -r -w ${disk}s1 auto >> ${logfile} 2>&1
 140     ckstatus $? "disklabel"
 141
 142     if [ ! "${bootdisk}" = "" ]; then
 143         disklabel -B ${disk}s1 >> ${logfile} 2>&1
 144         ckstatus $? "disklabel"
 145     fi
 146 }
 147
 148 #
 149 # mklabel disk
 150 #
 151 #     Create same labels for every disk
 152 #     except for the disk that will contain
 153 #     /boot partition
 154 #
 155 mklabel()
 156 {
 157     local disk=$1
 158     local param=$2
 159
 160     disklabel ${disk}s1 > /tmp/label
 161     ckstatus $? "disklabel"
 162
 163     # calculate memory
 164     tmp=`sysctl hw.physmem | cut -w -f 2`
 165     memtotal=`expr ${tmp} / 1024 / 1024`
 166
 167     if [ "${param}" = "root" ]; then
 168         cat >> /tmp/label <<EOF
 169  b: ${memtotal}m * swap
 170  d: * * hammer
 171 EOF
 172     else
 173         cat >> /tmp/label <<EOF
 174  a: 768m 0 4.2BSD
 175  d: * * ccd
 176 EOF
 177     fi
 178     disklabel -R ${disk}s1 /tmp/label >> ${logfile} 2>&1
 179     ckstatus $? "disklabel"
 180 }
 181
 182 #
 183 # ccdops
 184 #
 185 ccdops()
 186 {
 187     local lst=""
 188     local tmp=""
 189
 190     for disk in ${disklist}
 191     do
 192         tmp=${lst}
 193         lst="${tmp} /dev/${disk}s1d"
 194     done
 195
 196     ccdconfig ccd0 128 CCDF_MIRROR ${lst}
 197     ckstatus $? "ccdconfig"
 198     sleep 3     # Try to settle ops
 199 }
 200
 201 #
 202 # gen_rc_ccd
 203 #
 204 gen_rc_ccd()
 205 {
 206     local lst=""
 207     local tmp=""
 208
 209     for disk in ${disklist}
 210     do
 211         tmp=${lst}
 212         lst="${tmp} /dev/${disk}s1d"
 213     done
 214
 215     # dump the config
 216     ccdconfig -g > ${contents_dir}/etc/ccd.conf
 217     ckstatus $? "ccdconfig"
 218
 219     cat >> ${contents_dir}/etc/rc.ccd << EOF
 220 # call ccdconfig to restore the configuration
 221 ccdconfig -C -f /etc/ccd.conf
 222 sleep 5
 223 EOF
 224     # Make sure it can be executed by initrd rc
 225     chmod +x ${contents_dir}/etc/rc.ccd
 226     sync
 227 }
 228
 229 echo "ALL DATA IN DISKS ${disklist} WILL BE LOST!"
 230 echo "Press ^C to abort."
 231 for n in 10 9 8 7 6 5 4 3 2 1
 232 do
 233     echo -n " ${n}"
 234     sleep 1
 235 done
 236 echo ""
 237
 238 # /tmp has to be writeable
 239 echo "* Checking /tmp is writeable"
 240 cktmpdir
 241
 242 rm "${logfile}" >> ${logfile} 2>&1
 243 echo "* Output to ${logfile}"
 244
 245 # kldload needed modules and start udevd
 246 echo "* Loading modules"
 247 ckloadmod ccd >> ${logfile} 2>&1
 248
 249 # check previous installations
 250 ckpreinstall
 251
 252 # Unmount any prior mounts on /mnt, reverse order to unwind
 253 # sub-directory mounts.
 254 #
 255 for mount in `df | fgrep /mnt | awk '{ print $6; }' | tail -r`
 256 do
 257     echo " Umounting ${mount}"
 258     umount ${mount} >> ${logfile} 2>&1
 259 done
 260
 261 # Prepare the disks in the list
 262 for disk in ${disklist}
 263 do
 264     echo "* Preparing disk ${disk}"
 265     prepdisk ${disk}
 266     mklabel ${disk}
 267 done
 268
 269 # ccdconfig operations in the disks
 270 echo "* Performing CCD operations"
 271 ccdops
 272
 273 # prepare the concatenated disk
 274 prepdisk ccd0
 275 sleep 1
 276 mklabel ccd0 root
 277
 278 # Format the volumes
 279 echo "* Formating ccd0"
 280 newfs /dev/${bootdisk}s1a >> ${logfile} 2>&1
 281 ccdexit $?
 282
 283 newfs_hammer -f -L ROOT /dev/ccd0s1d >> ${logfile} 2>&1
 284 ccdexit $?
 285
 286 # Mount it
 287 #
 288 echo "* Mounting everything"
 289 mount_hammer /dev/ccd0s1d /mnt >> ${logfile} 2>&1
 290 ccdexit $?
 291
 292 mkdir /mnt/boot
 293
 294 mount /dev/${bootdisk}s1a /mnt/boot >> ${logfile} 2>&1
 295 ccdexit $?
 296
 297 # Create PFS mount points for nullfs.
 298 pfslist="usr usr.obj var var.crash var.tmp tmp home"
 299
 300 mkdir /mnt/pfs
 301
 302 for pfs in ${pfslist}
 303 do
 304     hammer pfs-master /mnt/pfs/$pfs >> ${logfile} 2>&1
 305     ccdexit $?
 306 done
 307
 308 # Mount /usr and /var so that you can add subdirs
 309 mkdir /mnt/usr >> ${logfile} 2>&1
 310 mkdir /mnt/var >> ${logfile} 2>&1
 311 mount_null /mnt/pfs/usr /mnt/usr >> ${logfile} 2>&1
 312 ccdexit $?
 313
 314 mount_null /mnt/pfs/var /mnt/var >> ${logfile} 2>&1
 315 ccdexit $?
 316
 317 mkdir /mnt/usr/obj >> ${logfile} 2>&1
 318 mkdir /mnt/var/tmp >> ${logfile} 2>&1
 319 mkdir /mnt/var/crash >> ${logfile} 2>&1
 320
 321 mkdir /mnt/tmp >> ${logfile} 2>&1
 322 mkdir /mnt/home >> ${logfile} 2>&1
 323
 324 mount_null /mnt/pfs/tmp /mnt/tmp >> ${logfile} 2>&1
 325 ccdexit $?
 326
 327 mount_null /mnt/pfs/home /mnt/home >> ${logfile} 2>&1
 328 ccdexit $?
 329
 330 mount_null /mnt/pfs/var.tmp /mnt/var/tmp >> ${logfile} 2>&1
 331 ccdexit $?
 332
 333 mount_null /mnt/pfs/var.crash /mnt/var/crash >> ${logfile} 2>&1
 334 ccdexit $?
 335
 336 mount_null /mnt/pfs/usr.obj /mnt/usr/obj >> ${logfile} 2>&1
 337 ccdexit $?
 338
 339 chmod 1777 /mnt/tmp >> ${logfile} 2>&1
 340 chmod 1777 /mnt/var/tmp >> ${logfile} 2>&1
 341
 342 # Install the system from the live CD
 343 #
 344 echo "* Starting file copy"
 345 cpdup -vv -o / /mnt >> ${logfile} 2>&1
 346 ccdexit $?
 347
 348 cpdup -vv -o /boot /mnt/boot >> ${logfile} 2>&1
 349 ccdexit $?
 350
 351 cpdup -vv -o /usr /mnt/usr >> ${logfile} 2>&1
 352 ccdexit $?
 353
 354 cpdup -vv -o /var /mnt/var >> ${logfile} 2>&1
 355 ccdexit $?
 356
 357 cpdup -vv -i0 /etc.hdd /mnt/etc >> ${logfile} 2>&1
 358 ccdexit $?
 359
 360 chflags -R nohistory /mnt/tmp >> ${logfile} 2>&1
 361 chflags -R nohistory /mnt/var/tmp >> ${logfile} 2>&1
 362 chflags -R nohistory /mnt/var/crash >> ${logfile} 2>&1
 363 chflags -R nohistory /mnt/usr/obj >> ${logfile} 2>&1
 364
 365 echo "* Adapting fstab and loader.conf"
 366 cat > /mnt/etc/fstab << EOF
 367 # Device                Mountpoint      FStype  Options         Dump    Pass#
 368 /dev/ccd0s1d    /               hammer  rw              1       1
 369 /dev/${bootdisk}s1a     /boot           ufs     rw              1       1
 370 /dev/ccd0s1b    none            swap    sw              0       0
 371 /pfs/usr                /usr            null    rw              0       0
 372 /pfs/var                /var            null    rw              0       0
 373 /pfs/tmp                /tmp            null    rw              0       0
 374 /pfs/home               /home           null    rw              0       0
 375 /pfs/var.tmp            /var/tmp        null    rw              0       0
 376 /pfs/usr.obj            /usr/obj        null    rw              0       0
 377 /pfs/var.crash          /var/crash      null    rw              0       0
 378 proc                    /proc           procfs  rw              0       0
 379 EOF
 380
 381 # Because root is not on the boot partition we have to tell the loader
 382 # to tell the kernel where root is.
 383 #
 384 cat > /mnt/boot/loader.conf << EOF
 385 ccd_load="YES"
 386 initrd.img_load="YES"
 387 initrd.img_type="md_image"
 388 vfs.root.mountfrom="ufs:md0s0"
 389 vfs.root.realroot="local:hammer:/dev/ccd0s1d"
 390 EOF
 391
 392 # Setup interface, configuration, sshd
 393 #
 394 echo "* iface setup"
 395 ifc=`route -n get default | fgrep interface | awk '{ print $2; }'`
 396 ip=`ifconfig $ifc | fgrep inet | fgrep -v inet6 | awk '{ print $2; }'`
 397 lip=`echo $ip | awk -F . '{ print $4; }'`
 398
 399 echo -n "ifconfig_$ifc=" >> /mnt/etc/rc.conf
 400 echo '"DHCP"' >> /mnt/etc/rc.conf
 401 cat >> /mnt/etc/rc.conf << EOF
 402 sshd_enable="YES"
 403 dntpd_enable="YES"
 404 hostname="test$lip.MYDOMAIN.XXX"
 405 dumpdev="/dev/ccd0s1b"
 406 EOF
 407
 408 # Misc sysctls
 409 #
 410 cat >> /mnt/etc/sysctl.conf << EOF
 411 #net.inet.ip.portrange.first=4000
 412 EOF
 413
 414 # mkinitd image
 415 echo "* Preparing initrd image"
 416 cp /etc/defaults/mkinitrd.conf /etc/mkinitrd.conf
 417 cpdup /usr/share/initrd ${contents_dir}
 418
 419 sed -i.bak '/^BIN_TOOLS/ s/\"$/ sleep\"/' /etc/mkinitrd.conf
 420 sed -i.bak '/^SBIN_TOOLS/ s/\\/ccdconfig \\/' /etc/mkinitrd.conf
 421
 422 # Need to escape the directory so that sed doesn't take the var literally
 423 escaped_var=$(printf '%s\n' "${contents_dir}" | sed 's/[\&/]/\\&/g')
 424 sed -i.bak "s/^CONTENT_DIRS=.*/CONTENT_DIRS=\"${escaped_var}\"/" /etc/mkinitrd.conf
 425
 426 gen_rc_ccd
 427
 428 /sbin/mkinitrd -b /mnt/boot >> ${logfile} 2>&1
 429
 430 # copy installation log
 431 echo "* Saving up installation log"
 432 cp ${logfile} /mnt/tmp/
 433
 434 # Warn about ssh
 435 echo ""
 436 echo "Warning:"
 437 echo "chroot now to /mnt and change root password and also edit"
 438 echo "/mnt/etc/ssh/sshd_config to allow root login and authentication"
 439 echo "using passwords. Alternatively, you can also just copy your"
 440 echo "~/.ssh/authorized_keys file to allow login using your ssh keys."
 441
 442 echo "Installation finished successfully."
 443
 444
 445 # take CD out and reboot
 446 #