build_iso.sh

   1 #!/usr/bin/bash
   2
   3 # {{{ CDDL HEADER
   4 # This file and its contents are supplied under the terms of the
   5 # Common Development and Distribution License ("CDDL"), version 1.0.
   6 # You may only use this file in accordance with the terms of version
   7 # 1.0 of the CDDL.
   8 #
   9 # A full copy of the text of the CDDL should have accompanied this
  10 # source.  A copy of the CDDL is also available via the Internet at
  11 # http://www.illumos.org/license/CDDL.
  12 # }}}
  13
  14 #
  15 # Copyright 2017 OmniTI Computer Consulting, Inc. All rights reserved.
  16 # Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
  17 #
  18
  19 #
  20 # Build an ISO installer using the Kayak tools.
  21 #
  22
  23 if [ `id -u` != "0" ]; then
  24         echo "You must be root to run this script."
  25         exit 1
  26 fi
  27
  28 if [ -z "$BUILDSEND_MP" ]; then
  29         echo "Using /rpool/kayak_image for BUILDSEND_MP"
  30         BUILDSEND_MP=/rpool/kayak_image
  31 fi
  32
  33 if [ -z "$VERSION" ]; then
  34         echo "VERSION not set." >&2
  35         exit 1
  36 fi
  37 echo "Using version $VERSION..."
  38
  39 stage()
  40 {
  41         echo "***"
  42         echo "*** $*"
  43         echo "***"
  44 }
  45
  46 # Allow temporary directory override
  47 : ${TMPDIR:=/tmp}
  48
  49 KAYAK_MINIROOT=$BUILDSEND_MP/boot_archive.gz
  50 ZFS_IMG=$BUILDSEND_MP/kayak_${VERSION}.zfs
  51
  52 [ ! -f $KAYAK_MINIROOT -o ! -f $ZFS_IMG ] && echo "Missing files." && exit 1
  53
  54 ISO_ROOT=$TMPDIR/iso_root
  55 BA_ROOT=$TMPDIR/boot_archive
  56
  57 MNT=/mnt
  58 DST_ISO=$BUILDSEND_MP/${VERSION}.iso
  59
  60 #############################################################################
  61 #
  62 # The kayak mini-root is used for both the ISO root filesystem and for the
  63 # miniroot that is loaded and mounted on / when booted.
  64 #
  65
  66 set -o errexit
  67
  68 mkdir $ISO_ROOT
  69
  70 stage "Adding files to ISO root"
  71 # our tar(1) doesn't seem to support multiple file args with -C...
  72 tar -cf - -C $BUILDSEND_MP/root boot | tar -xf - -C $ISO_ROOT
  73 tar -cf - -C $BUILDSEND_MP/root platform | tar -xf - -C $ISO_ROOT
  74
  75 # Place the full ZFS image into the ISO root so it does not form part of the
  76 # boot archive (otherwise the boot seems to hang for several minutes while
  77 # the miniroot is loaded)
  78
  79 stage "Adding ZFS image to ISO root"
  80 pv $ZFS_IMG > $ISO_ROOT/unleashed.zfs
  81 # Create a file to indicate that this is the right volume set on which to
  82 # find the image - see src/mount_media.c
  83 echo "unleashed-installer" > $ISO_ROOT/.volsetid
  84
  85 # Remind people this is the installer.
  86 cat <<EOF > $ISO_ROOT/boot/loader.conf.local
  87 loader_menu_title="Welcome to the Unleashed installer"
  88 autoboot_delay=10
  89 ttya-mode="115200,8,n,1,-"
  90 console="text,ttya"
  91 EOF
  92
  93 #
  94 # Install the miniroot $ISO_ROOT as the boot archive.
  95 #
  96 stage "Installing boot archive"
  97 cp $KAYAK_MINIROOT ${KAYAK_MINIROOT%.gz}.hash $ISO_ROOT/platform/
  98 stage "ISO root size: `du -sh $ISO_ROOT/.`"
  99
 100 # And finally, burn the ISO.
 101 LC_ALL=C mkisofs -N -l -R -U -d -D \
 102         -o $DST_ISO \
 103         -b boot/cdboot \
 104         -c .catalog \
 105         -no-emul-boot \
 106         -boot-load-size 4 \
 107         -boot-info-table \
 108         -allow-multidot \
 109         -no-iso-translate \
 110         -cache-inodes \
 111         -V "Unleashed $VERSION" \
 112         $ISO_ROOT
 113
 114 rm -rf $ISO_ROOT
 115 stage "$DST_ISO is ready"
 116 ls -lh $DST_ISO
 117
 118 # Vim hints
 119 # vim:fdm=marker