55 lines
2 KiB
Bash
Executable file
55 lines
2 KiB
Bash
Executable file
#!/bin/bash
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# Configure grub. Note that the various conditionals here are to handle
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# different distributions gracefully.
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set -e
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set -x
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install-packages grub-pc
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# XXX: grub-probe on the nbd0/loop0 device returns nothing - workaround, manually
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# specify modules. https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1073731
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GRUBNAME=`which grub-install` || echo "trying grub2-install"
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if [ -z "$GRUBNAME" ]; then
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GRUBNAME="bash -x `which grub2-install`"
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fi
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if [ -z "$GRUBNAME" ]; then
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echo "NO grub-install or grub2-install found"
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exit 1
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fi
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# FIXME:
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[ -n "$IMAGE_BLOCK_DEVICE" ]
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PART_DEV=$IMAGE_BLOCK_DEVICE
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BOOT_DEV=$(echo $IMAGE_BLOCK_DEVICE | sed -e 's/p1//')
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GRUB_OPTS=${GRUB_OPTS:""}
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# XXX: This is buggy:
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# - --target=i386-pc is invalid for non-i386/amd64 architectures
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# - and for UEFI too.
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# GRUB_OPTS="$GRUB_OPTS --target=i386-pc"
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$GRUBNAME --modules="biosdisk part_msdos" $GRUB_OPTS $BOOT_DEV
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# This might be better factored out into a per-distro 'install-bootblock'
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# helper.
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if [ -f "/boot/grub/grub.cfg" ] ; then
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GRUB_CFG=/boot/grub/grub.cfg
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elif [ -f "/boot/grub2/grub.cfg" ] ; then
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GRUB_CFG=/boot/grub2/grub.cfg
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fi
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RELEASE=`lsb_release -cs`
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[ -n "$RELEASE" ]
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# grub-mkconfig generates a config with the device in it,
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# This shouldn't be needed, but old code has bugs
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if [ $RELEASE = 'precise' ] ; then
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# Replace the search attempt with a hardcoded root as the Ubuntu reference
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# images use.
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sed -i "s%search --no.*%%" $GRUB_CFG
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sed -i "s%set root=.*%set root=(hd0,1)%" $GRUB_CFG
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fi
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# force use of a LABEL:
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# NOTE: Updating the grub config by hand once deployed should work, its just
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# prepping it in a different environment that needs fiddling.
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sed -i "s%$PART_DEV%LABEL=cloudimg-rootfs%" $GRUB_CFG
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sed -i "s%search --no-floppy --fs-uuid --set=root .*$%search --no-floppy --set=root --label cloudimg-rootfs%" $GRUB_CFG
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sed -i "s%root=UUID=[A-Za-z0-9\-]*%root=LABEL=cloudimg-rootfs%" $GRUB_CFG
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# Fedora sets up for root to have a label of "_/"
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sed -i "s%LABEL=_/%LABEL=cloudimg-rootfs%" /etc/fstab
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