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@ -1,7 +1,7 @@
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# vi: ts=4 expandtab syntax=sh
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CLOUD_IMG_STR="# CLOUD_IMG: This file was created/modified by the Cloud Image build process"
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IMAGE_SIZE=$((2252*1024**2)) # 2.2G (the current size we ship)
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imagesize=${IMAGE_SIZE:-$((2252*1024**2))} # 2.2G (the current size we ship)
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fs_label="${FS_LABEL:-rootfs}"
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rootfs_dev_mapper=
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loop_device=
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@ -28,13 +28,13 @@ clean_loops() {
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create_empty_disk_image() {
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# Prepare an empty disk image
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dd if=/dev/zero of="$1" bs=1 count=0 seek="${IMAGE_SIZE}"
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dd if=/dev/zero of="$1" bs=1 count=0 seek="${imagesize}"
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}
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make_ext4_partition() {
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device="$1"
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mkfs.ext4 -F -b 4096 -i 8192 -m 0 -L cloudimg-rootfs -E resize=536870912 "$device"
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label=${fs_label:+-L "${fs_label}"}
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mkfs.ext4 -F -b 4096 -i 8192 -m 0 ${label} -E resize=536870912 "$device"
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}
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mount_image() {
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@ -103,7 +103,7 @@ mount_disk_image() {
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# such as updating grub and installing software
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cat > $mountpoint/usr/sbin/policy-rc.d << EOF
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#!/bin/sh
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# ${CLOUD_IMG_STR}
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# ${IMAGE_STR}
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echo "All runlevel operations denied by policy" >&2
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exit 101
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EOF
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@ -251,9 +251,9 @@ convert_to_qcow2() {
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replace_grub_root_with_label() {
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# When update-grub is run, it will detect the disks in the build system.
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# Instead, we want grub to use the cloudimg-rootfs labelled disk
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# Instead, we want grub to use the right labelled disk
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CHROOT_ROOT="$1"
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sed -i -e "s,root=[^ ]\+,root=LABEL=cloudimg-rootfs," \
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sed -i -e "s,root=[^ ]\+,root=LABEL=${fs_label}," \
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"$CHROOT_ROOT/boot/grub/grub.cfg"
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}
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Mathieu Trudel-Lapierre
8 years ago