32 lines
1000 B
Bash
32 lines
1000 B
Bash
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#
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# This file should be places in pre-mount directory in dracut's initramfs
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#
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#!/bin/sh
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echo "Qubes initramfs script here:"
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if [ -e /dev/mapper/dmroot ] ; then
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die "Qubes: FATAL error: /dev/mapper/dmroot already exists?!"
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fi
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modprobe xenblk || modprobe xen-blkfront || echo "Qubes: Cannot load Xen Block Frontend..."
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echo "Waiting for /dev/xvda* devices..."
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while ! [ -e /dev/xvda ]; do sleep 0.1; done
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if [ `blockdev --getro /dev/xvda` = 1 ] ; then
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echo "Qubes: Doing COW setup for AppVM..."
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while ! [ -e /dev/xvdc ]; do sleep 0.1; done
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while ! [ -e /dev/xvdc2 ]; do sleep 0.1; done
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echo "0 `blockdev --getsz /dev/xvda` snapshot /dev/xvda /dev/xvdc2 P 16" | \
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dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; }
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echo Qubes: done.
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else
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echo "Qubes: Doing R/W setup for TemplateVM..."
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echo "0 `blockdev --getsz /dev/xvda` linear /dev/xvda 0" | \
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dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; exit 1; }
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echo Qubes: done.
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fi
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