cirros-testvm/src-cirros/buildroot-2015.05/support/scripts/build-ext3-img

   1 #!/bin/sh
   2
   3 BLOCKSIZE=516096
   4 WORKING_DIR=`pwd`
   5
   6 echo "This script will create a bootable ext3 image from buildroot."
   7
   8 echo "Enter the path to the image (${WORKING_DIR})"
   9 read IMG_PATH
  10
  11 if [ "${IMAGE_PATH}" = "" ]; then
  12         IMAGE_PATH=${WORKING_DIR}
  13 fi
  14
  15 echo "Enter the name of the image file (buildroot.img)"
  16 read IMG_NAME
  17
  18 if [ "${IMAGE_NAME}" = "" ]; then
  19         IMAGE_NAME="buildroot.img"
  20 fi
  21
  22 IMAGE=${IMAGE_PATH}/${IMAGE_NAME}
  23
  24 echo "Enter the path and filename for the root filesystem"
  25 echo "tarball that you want to install into the image"
  26 read ROOT_PATH
  27
  28 if [ "${ROOT_PATH}" = "" ]; then
  29         echo "Error: you must specify a path."
  30         exit 1
  31 fi
  32
  33 CYLINDERS=`du --summarize --block-size=${BLOCKSIZE} ${ROOT_PATH}`
  34 BYTE_SIZE=`du --summarize --block-size=${BLOCKSIZE} --human-readable ${ROOT_PATH}`
  35
  36 CYLINDERS=${CYLINDERS%${ROOT_PATH}}
  37 BYTE_SIZE=${BYTE_SIZE%${ROOT_PATH}}
  38
  39 CYLINDERS=`expr ${CYLINDERS} "*" 2`
  40
  41 echo "Now I will create an ext3 image file"
  42 echo "using ${CYLINDERS} cylinders, with ${BLOCKSIZE} bytes per block"
  43 echo "in other words, ${BYTE_SIZE}bytes..."
  44
  45         dd if=/dev/zero of=${IMAGE} bs=${BLOCKSIZE}c count=${CYLINDERS}
  46
  47 # Create file partition and filesystem
  48
  49     # STEP 1. create partition
  50     /sbin/losetup /dev/loop3 ${IMAGE}
  51         # probably should figure out how to use GNU parted to do this non-interactively
  52     /sbin/fdisk -u -C${CYLINDERS} -S63 -H16 /dev/loop3
  53     /sbin/losetup -d /dev/loop3
  54
  55     # STEP 2. make file system (ext3)
  56     /sbin/losetup -o 32256 /dev/loop3 ${IMAGE}
  57     /sbin/mkfs.ext3 /dev/loop3
  58     /sbin/losetup -d /dev/loop3
  59
  60 # Install Software to the image
  61         mkdir -p ${IMAGE_PATH}/temp
  62     mount -o offset=32256,loop ${IMAGE} ${IMAGE_PATH}/temp
  63     tar -xvf ${ROOT_PATH} --directory ${IMAGE_PATH}/temp
  64     # make sure to unmount the image
  65     umount ${IMAGE_PATH}/temp
  66         rm -rf ${IMAGE_PATH}/temp
  67
  68 # Create a VMware .vmx file
  69 cat > ${IMAGE_PATH}/buildroot.vmx <<EOF
  70 config.version = "8"
  71 virtualHW.version = "3"
  72
  73 uuid.location = "56 4d 5c cc 3d 4a 43 29-55 89 5c 28 1e 7e 06 58"
  74 uuid.bios = "56 4d 5c cc 3d 4a 43 29-55 89 5c 28 1e 7e 06 58"
  75
  76 uuid.action = "create"
  77 checkpoint.vmState = ""
  78
  79 displayName = "Buildroot"
  80 annotation = ""
  81 guestinfo.vmware.product.long = ""
  82 guestinfo.vmware.product.url = "http://dcgrendel.be/vmbuilder/"
  83
  84 guestOS = "linux"
  85 numvcpus = "1"
  86 memsize = "256"
  87 paevm = "FALSE"
  88 sched.mem.pshare.enable = "TRUE"
  89 MemAllowAutoScaleDown = "FALSE"
  90
  91 MemTrimRate = "-1"
  92
  93 nvram = "nvram"
  94
  95 mks.enable3d = "FALSE"
  96 vmmouse.present = "TRUE"
  97
  98 tools.syncTime = "TRUE"
  99 tools.remindinstall = "FALSE"
 100
 101 isolation.tools.hgfs.disable = "FALSE"
 102 isolation.tools.dnd.disable = "FALSE"
 103 isolation.tools.copy.enable = "TRUE"
 104 isolation.tools.paste.enabled = "TRUE"
 105 gui.restricted = "FALSE"
 106
 107 ethernet0.present = "TRUE"
 108 ethernet0.connectionType = "bridged"
 109 ethernet0.addressType = "generated"
 110 ethernet0.generatedAddress = "00:0c:29:7e:06:58"
 111 ethernet0.generatedAddressOffset = "0"
 112
 113 usb.present = "TRUE"
 114 usb.generic.autoconnect = "FALSE"
 115
 116 sound.present = "TRUE"
 117 sound.virtualdev = "es1371"
 118
 119 ide0:0.present = "TRUE"
 120 ide0:0.fileName = "buildroot.vmdk"
 121 ide0:0.deviceType = "disk"
 122 ide0:0.mode = ""
 123 ide0:0.redo = ""
 124 ide0:0.writeThrough = "FALSE"
 125 ide0:0.startConnected = "TRUE"
 126
 127 ide1:0.present = "FALSE"
 128 ide1:0.fileName = ""
 129 ide1:0.deviceType = "disk"
 130 ide1:0.mode = ""
 131 ide1:0.redo = ""
 132 ide1:0.writeThrough = "FALSE"
 133 ide1:0.startConnected = "FALSE"
 134
 135 floppy0.present = "FALSE"
 136
 137 serial0.present = "FALSE"
 138
 139 serial1.present = "FALSE"
 140
 141 parallel0.present = "FALSE"
 142
 143 EOF
 144
 145 # Install GRUB
 146      /sbin/grub --no-floppy --batch <<EOT
 147      device (hd0) ${IMAGE}
 148      geometry (hd0) ${CYLINDERS} 16 63
 149      root (hd0,0)
 150      setup (hd0)
 151      quit
 152      EOT