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|
#!/bin/sh
#
# If the pygrub flag is set, this script will install the necessary
# packages to boot the VM from the dom0 via pygrub. This script installs
# the kernel and modules and generates a grub menu.lst in the newly
# created maschine.
#
# Dmitry Nedospasov
# --
# http://www.nedos.net/
prefix=$1
#
# Source our common functions
#
if [ -e /usr/share/xen-tools/common.sh ]; then
. /usr/share/xen-tools/common.sh
else
. ./hooks/common.sh
fi
if [ "${pygrub}" = "1" ]; then
#
# Log our start
#
logMessage Script $0 starting
#
# Resolve the correct architecture
#
if [ "${arch}" = "i386" ]; then
XEN_ARCH="686"
elif [ "${arch}" = "amd64" ]; then
XEN_ARCH="amd64"
elif [ "${arch}" = "arm64" ]; then
XEN_ARCH="arm64"
elif [ -z "${arch}" ]; then
UNAME_ARCH=`uname -m`
if [ "${UNAME_ARCH}" = "i686" ]; then
XEN_ARCH="686"
elif [ "${UNAME_ARCH}" = "x86_64" ]; then
XEN_ARCH="amd64"
elif [ "${UNAME_ARCH}" = "aarch64" ]; then
XEN_ARCH="arm64"
else
logMessage Unknown kernel architecture ${UNAME_ARCH}.
logMessage Please report this as bug to xen-tools-dev@xen-tools.org.
logMessage Script $0 failed
exit 1
fi
else
logMessage Unknown kernel architecture ${arch}
logMessage Script $0 failed
exit 1
fi
#
# Attempt to install a xen kernel, if that fails, then install a normal one
#
KERNEL_XEN_PKG="linux-image-xen-$XEN_ARCH"
KERNEL_PKG="linux-image-$XEN_ARCH"
# Add "-pae" suffix for Debian releases after Squeeze. See
# https://bugs.debian.org/742778 for details.
if [ "${dist}" != "sarge" -a \
"${dist}" != "etch" -a \
"${dist}" != "lenny" -a \
"${dist}" != "squeeze" -a \
"$XEN_ARCH" = "686" ]; then
KERNEL_XEN_PKG="$KERNEL_XEN_PKG-pae"
KERNEL_PKG="$KERNEL_PKG-pae"
fi
logMessage Attempting to install the $KERNEL_XEN_PKG kernel image
if chroot ${prefix} /usr/bin/apt-cache show $KERNEL_XEN_PKG > /dev/null 2>&1; then
logMessage Package $KERNEL_XEN_PKG is available - installing
installDebianPackage ${prefix} initramfs-tools
installDebianPackage ${prefix} $KERNEL_XEN_PKG
else
logMessage Package $KERNEL_XEN_PKG is not available
logMessage Attempting to install the $KERNEL_PKG kernel image
logMessage WARNING: This kernel may not have pvops
if chroot ${prefix} /usr/bin/apt-cache show $KERNEL_PKG > /dev/null 2>&1; then
logMessage Package $KERNEL_PKG is available - installing
installDebianPackage ${prefix} initramfs-tools
installDebianPackage ${prefix} $KERNEL_PKG
else
logMessage Package $KERNEL_PKG is not available
logMessage pygrub set, but kernel could not be installed
logMessage Script $0 failed
exit 1
fi
fi
# Check for "ls -v" support
V=''; if ls -1 ${prefix}/boot/vmlinuz* > /dev/null 2>&1; then V=-v; fi
DOMU_KERNEL=$(basename $(ls -1 ${V} ${prefix}/boot/vmlinuz* | tail -n 1))
KERNEL_REV=$(echo $DOMU_KERNEL | sed "s/vmlinuz-//g")
DOMU_RAMDISK="initrd.img-$KERNEL_REV"
DOMU_ISSUE=$(sed -re "s/ *\\\.*//g" -e1q < ${prefix}/etc/issue)
#
# Generate initrd if it does not exist
#
if [ -f ${prefix}/boot/$DOMU_RAMDISK ]; then
logMessage initrd exists, skipping generation
else
logMessage initrd missing, generating
chroot ${prefix} update-initramfs -c -k $KERNEL_REV
fi
#
# Generate a menu.lst for pygrub
#
generateDebianGrubMenuLst "${prefix}" "$DOMU_ISSUE" "$DOMU_KERNEL" "$DOMU_RAMDISK"
else
logMessage pygrub not set, skipping kernel install
fi # if pygrub
#
# Log our finish
#
logMessage Script $0 finished
|
