3 # Copyright 2011 GRNET S.A. All rights reserved.
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6 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
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14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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38 IMAGE_FILE="${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}.extdump";;
40 IMAGE_FILE="${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}.ntfsdump";;
42 log_error "Unknown image type: \`$IMAGE_TYPE'.";
46 if [ ! -e "$IMAGE_FILE" ]; then
47 log_error "Image file \`$IMAGE_FILE' does not exit."
51 MONITOR="" #Empty if progress monitor support is disabled
52 if [ "$progress_monitor_support" = "yes" ]; then
53 IMAGE_SIZE="$(stat -L -c %s ${IMAGE_FILE})"
54 MONITOR="$PROGRESS_MONITOR -i ${INSTANCE_NAME} -r ${IMAGE_SIZE}"
57 # If the target device is not a real block device we'll first losetup it.
58 # This is needed for file disks.
59 if [ ! -b $blockdev ]; then
60 ORIGINAL_BLOCKDEV=$blockdev
61 blockdev=$($LOSETUP -sf $blockdev)
62 CLEANUP+=("$LOSETUP -d $blockdev")
65 format_disk0 $blockdev ${IMAGE_TYPE}
67 filesystem_dev=$(map_disk0 $blockdev)
68 CLEANUP+=("unmap_disk0 $blockdev")
70 root_dev="${filesystem_dev}-1"
72 # dd the dump to its new home :-)
73 # Deploying an image file on a target block device is a streaming
74 # copy operation. Enable the direct I/O flag on the output fd to
75 # avoid polluting the host cache with useless data.
76 $MONITOR dd bs=4M if=$IMAGE_FILE of=$root_dev oflag=direct
78 # Create a floppy image
79 floppy=$(mktemp --tmpdir floppy.XXXXXXXX)
80 CLEANUP+=("rm -f $floppy")
82 snf_export_DEV=/dev/vda
83 snf_export_TYPE=${IMG_FORMAT}
84 snf_export_PASSWORD=${IMG_PASSWD}
85 snf_export_HOSTNAME=${instance}
86 if [ -n "$IMG_PERSONALITY" ]; then
87 snf_export_PERSONALITY=${IMG_PERSONALITY}
92 # Invoke the helper vm to do the dirty job...
93 result_file=$(mktemp --tmpdir result.XXXXXXXX)
94 CLEANUP+=("rm -f $result_file")
96 $TIMELIMIT -t $HELPER_SOFT_TIMEOUT -T $HELPER_HARD_TIMEOUT \
97 kvm -runas $HELPER_USR -drive file=${HELPER},snapshot=on \
98 -drive file=$root_dev,format=raw,if=virtio,cache=none \
99 -boot c -serial stdio -serial file:$result_file -fda $floppy \
100 -vga none -nographic -parallel none -monitor null -nographic \
101 -kernel ${HELPER_KERNEL} -initrd ${HELPER_INITRD} \
102 -append "quiet ro root=/dev/sda1 console=ttyS0,9600n8" \
103 2>&1 | sed 's|^|HELPER: |g'
105 if [ $? -ne 0 ]; then
106 if [ $? -gt 128 ]; then
107 log_error "Helper was terminated. Did not finish on time."
112 # Read the first line. This will remove \r and \n chars
113 result=$(sed 's|\r||g' $result_file | xargs echo)
115 if [ "x$result" != "xSUCCESS" ]; then
116 log_error "Helper VM returned error"
121 $INSTALL_MBR -p 1 -i n ${blockdev}
129 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :