Revision f7959feb example/instance-debootstrap.d/grub
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#!/bin/bash |
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# This is an example script that configures, grub after installation. This |
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# script assumes that grub has been installed onto the image already and a |
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# working grub.conf exists. To use, make it executable and edit your settings |
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# to the following: |
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# |
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# This is an example script that install and configure grub after installation. |
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# To use it put it in your CUSTOMIZE_DIR, make it executable, and edit EXTRAPKGS |
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# of your $sysconfdir/default/ganeti-instance-debootstrap. |
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# |
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# Xen, for etch/lenny i386: |
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# EXTRA_PKGS="linux-image-xen-686,libc6-xen" |
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# Xen, for etch/lenny amd64: |
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# EXTRA_PKGS="linux-image-xen-amd64" |
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# KVM: |
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# no extra packages needed besides the normal suggested ones |
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# |
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# Do not include grub in EXTRA_PKGS because it will cause error of debootstrap. |
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# GRUB_SETUP="yes" |
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set -e |
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trap cleanup EXIT |
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if [ -z "$TARGET" -o ! -d "$TARGET" ]; then
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echo "Missing target directory" |
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exit 1 |
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if [ -z "${TARGET}" -o -d "${TARGET}" ] ; then
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echo "Missing target directory"
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exit 1
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fi |
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# install grub |
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LANG=C |
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chroot "$TARGET" apt-get -y --force-yes install grub grub-common |
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# Set disk based on type of hypervisor |
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disk="" |
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if [ "${HYPERVISOR}" = "kvm" ] ; then
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disk="vda" |
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else |
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disk="xda" |
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fi |
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# make /dev/sda
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mknod $TARGET/dev/sda b $(stat -L -c "0x%t 0x%T" $BLOCKDEV)
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CLEANUP+=("rm -f $TARGET/dev/sda")
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# make /dev/$disk
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mknod ${TARGET}/dev/${disk} b $(stat -L -c "0x%t 0x%T" $BLOCKDEV)
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CLEANUP+=("rm -f ${TARGET}/dev/$disk")
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# make /dev/sda1
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mknod $TARGET/dev/sda1 b $(stat -L -c "0x%t 0x%T" $FSYSDEV)
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CLEANUP+=("rm -f $TARGET/dev/sda1")
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# make /dev/${disk}1
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mknod ${TARGET}/dev/${disk}1 b $(stat -L -c "0x%t 0x%T" $BOOT_DEV)
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CLEANUP+=("rm -f ${TARGET}/dev/${disk}1")
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# create grub directory |
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mkdir -p "$TARGET/boot/grub" |
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# make /dev/${disk}1
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mknod ${TARGET}/dev/${disk}3 b $(stat -L -c "0x%t 0x%T" $ROOT_DEV)
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CLEANUP+=("rm -f ${TARGET}/dev/${disk}3")
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# create device.map |
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cat > "$TARGET/boot/grub/device.map" <<EOF
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(hd0) /dev/sda
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cat > "${TARGET}/boot/grub/device.map" <<EOF
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(hd0) /dev/${disk}
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EOF |
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# execute update-grub |
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chroot "$TARGET" update-grub |
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# install grub to the block device |
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grub-install --no-floppy --root-directory="$TARGET" "$BLOCKDEV" |
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chroot ${TARGET} grub --batch --no-floppy --device-map=/boot/grub/device.map <<EOF
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root (hd0,0) |
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setup (hd0) |
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quit |
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EOF |
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# execute cleanups |
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cleanup |
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