read guest &&
target=/mnt/target &&
mirror=`cat /etc/apt/sources.list /etc/apt/sources.list.d/debian.list 2>/dev/null | awk '/^deb.*debian/ {print $2; exit}'` &&
- vg=`vgdisplay -c | awk -F: '{print $1;exit}' | sed 's/ *//g'` &&
- echo "Chosen vg is $vg" &&
+ vgdefault=`vgdisplay -c | awk -F: '{print $1;exit}' | sed 's/ *//g'` &&
+ echo -n "Volume group? [$vgdefault]: " &&
+ read vg &&
+ if [ "$vg" = "" ]; then vg="$vgdefault"; fi &&
+ echo -n "Use lvm for non-swap partitions? [Y/n] " &&
+ read use_lvm &&
+ if [ "$use_lvm" = "n" ]; then
+ : SAN, as in the msa2012i at ubcece &&
+ : requires that it is already setup &&
+ dev_root="/dev/mapper/$guest-root" &&
+ dev_boot="/dev/mapper/$guest-boot" &&
+ echo "Root device will be $dev_root" &&
+ echo "Boot device will be $dev_boot" &&
+ echo "Make sure they exist already." &&
+ fs=xfs
+ else
+ use_lvm="y" &&
+ dev_root="/dev/mapper/$vg-$guest--root" &&
+ dev_boot="/dev/mapper/$vg-$guest--boot" &&
+ echo "Root device will be $dev_root" &&
+ echo "Boot device will be $dev_boot" &&
+ fs=ext3
+ fi &&
+ dev_swap="/dev/mapper/$vg-$guest--swap" &&
+ echo "Swap device will be $dev_swap" &&
+ echo "fs is $fs"
echo "Chosen mirror is $mirror"
}
}}}
# install base
apt-get install debootstrap kpartx &&
- lvcreate -L 128m -n "$guest"-boot /dev/"$vg" &&
- lvcreate -L 4g -n "$guest"-root /dev/"$vg" &&
+ if [ "$use_lvm" = "y" ]; then
+ lvcreate -L 128m -n "$guest"-boot /dev/"$vg" &&
+ lvcreate -L 4g -n "$guest"-root /dev/"$vg"
+ fi &&
lvcreate -L 4g -n "$guest"-swap /dev/"$vg" &&
: &&
- ( echo ',,L,*' | sfdisk /dev/"$vg"/"$guest"-boot ) &&
- kpartx -v -a /dev/"$vg"/"$guest"-boot &&
- mkfs.ext3 /dev/mapper/"$vg"-"$guest"--boot1 &&
- mkfs.ext3 /dev/"$vg"/"$guest"-root &&
- mkswap /dev/"$vg"/"$guest"-swap &&
+ ( echo ',,L,*' | sfdisk "$dev_boot" ) &&
+ kpartx -v -a "$dev_boot" &&
+ mkfs."$fs" "$dev_boot"1 &&
+ mkfs."$fs" "$dev_root" &&
+ mkswap "$dev_swap" &&
: &&
mkdir -p "$target" &&
- mount /dev/"$vg"/"$guest"-root "$target" &&
+ mount "$dev_root" "$target" &&
mkdir -p "$target/boot" &&
- mount /dev/mapper/"$vg"-"$guest"--boot1 "$target/boot" &&
+ mount "$dev_boot"1 "$target/boot" &&
cd "$target" &&
debootstrap --variant=minbase lenny . "$mirror"
apt-key exportall | chroot . apt-key add - &&
chroot . apt-get update &&
echo "Apt::Install-Recommends 0;" > etc/apt/apt.conf.d/local-recommends &&
- chroot . apt-get install net-tools iproute ifupdown dialog vim netbase &&
+ chroot . apt-get install net-tools iproute ifupdown dialog vim netbase xfsprogs &&
#chroot . apt-get remove --purge cpp dpkg-dev g++ gcc gcc-4.2-base libatm1 libdevmapper1.02.1 libgpm2 libc6-dev linux-libc-dev libstdc++6-4.3-dev binutils cpp-4.3 gcc-4.3 gettext-base libgmp3c2 libgomp1 libmpfr1ldbl libtimedate-perl
# don't - it may start daemons
#chroot . apt-get dist-upgrade
chroot . apt-get install grub &&
cp -av usr/lib/grub/x86_64-pc boot/grub &&
grub << EOF &&
-device (hd0) /dev/mapper/$vg-$guest--boot
+device (hd0) $dev_boot
root (hd0,0)
setup (hd0)
quit
EOF
# install a kernel image
- echo -e "do_symlinks = yes\nlink_in_boot = yes\ndo_initrd = yes" > etc/kernel-img.conf &&
- chroot . apt-get install linux-image-2.6-amd64
-
+ cat > etc/kernel-img.conf << EOF &&
+do_symlinks = yes
+link_in_boot = yes
+do_initrd = yes
+EOF
+ chroot . apt-get install linux-image-2.6-amd64 &&
+ cat >> etc/kernel-img.conf << EOF
+postinst_hook = /usr/sbin/update-grub
+postrm_hook = /usr/sbin/update-grub
+EOF
}}}
And a fstab and a boot loader config
{{{
# doesn't work: chroot . update-grub
- rootuuid=`vol_id /dev/"$vg"/"$guest"-root "$target" | awk -F= '$1=="ID_FS_UUID" {print $2}'` &&
- swapuuid=`vol_id /dev/"$vg"/"$guest"-swap "$target" | awk -F= '$1=="ID_FS_UUID" {print $2}'` &&
- bootuuid=`vol_id /dev/mapper/"$vg"-"$guest"--boot1 | awk -F= '$1=="ID_FS_UUID" {print $2}'` &&
+ rootuuid=`vol_id "$dev_root" "$target" | awk -F= '$1=="ID_FS_UUID" {print $2}'` &&
+ swapuuid=`vol_id "$dev_swap" "$target" | awk -F= '$1=="ID_FS_UUID" {print $2}'` &&
+ bootuuid=`vol_id "$dev_boot"1 | awk -F= '$1=="ID_FS_UUID" {print $2}'` &&
cat > boot/grub/menu.lst << EOF &&
default 0
timeout 5
### END DEBIAN AUTOMAGIC KERNELS LIST
EOF
+ if [ "$fs" = "ext3" ]; then
+ rootopts="errors=remount-ro"
+ else
+ rootopts="defaults"
+ fi
cat > etc/fstab << EOF &&
-UUID=$rootuuid / ext3 errors=remount-ro 0 1
-UUID=$bootuuid /boot ext3 defaults 0 2
+UUID=$rootuuid / $fs $rootopts 0 1
+UUID=$bootuuid /boot $fs defaults 0 2
UUID=$swapuuid none swap sw 0 0
EOF
cat > etc/network/interfaces << EOF
cd / &&
umount "$target"/boot &&
umount "$target" &&
- kpartx -v -d /dev/"$vg"/"$guest"-boot &&
+ kpartx -v -d "$dev_boot" &&
rmdir "$target"
}}}
=== virsh setup ===
-Setup a new kvm domain by creating a new file in /etc/dm-virt/`hostname/$guest.xml.
+Setup a new kvm domain by creating a new file in /etc/da-virt/`hostname/$guest.xml.
* Properly configure hostname
* Pick a new uuid ({{{uuidgen}}})
** {{{virsh destroy foo}}}
** {{{virsh vncdisplay foo}}} (and ssh -L 5900:localhost:<5900+x> $host and vnc localhost)
+=== post processing ===
+
+Do not forget to set a sane root password before installing ssh in the new kvm domain.
=== when stuff goes wrong ===
{{{
setup_env
- kpartx -v -a /dev/"$vg"/"$guest"-boot &&
+ kpartx -v -a "$dev_boot" &&
mkdir -p "$target" &&
- mount /dev/"$vg"/"$guest"-root "$target" &&
+ mount "$dev_root" "$target" &&
mkdir -p "$target/boot" &&
- mount /dev/mapper/"$vg"-"$guest"--boot1 "$target/boot"
+ mount "$dev_boot"1 "$target/boot"
}}}
and once you're done:
cd / &&
umount "$target"/boot &&
umount "$target" &&
- kpartx -v -d /dev/"$vg"/"$guest"-boot &&
+ kpartx -v -d "$dev_boot" &&
rmdir "$target"
}}}
projects / mirror / dsa-wiki.git / blobdiff