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#!/bin/bash
DIRECTORY=$(cd `dirname $0` && pwd)
PYTHON_DIRECTORY="$DIRECTORY/../python"
if [ -n "$1" ]; then
vps_name="$1"
else
read -p "Nom du vps : " vps_name
fi
echo "Patienter le temps du reboot"
python $PYTHON_DIRECTORY/reboot_vps_server.py --rescue "$vps_name"
stty -echo
read -p "Mot de passe reçu par e-mail : " password; echo
stty echo
ARCH_DIR=`mktemp -d`
ARCH_HOST_SCRIPT="$ARCH_DIR/arch_host_script.sh"
ARCH_CHROOT_SCRIPT="$ARCH_DIR/arch_chroot_script.sh"
ARCH_INSTALL_SCRIPT="$ARCH_DIR/arch_install_script.sh"
trap "rm -rf $ARCH_DIR" EXIT
cat > $ARCH_HOST_SCRIPT <<EOF
#!/bin/bash
apt-get update
apt-get install -y haveged
haveged &
cd /tmp
LATEST=\$(curl https://mirrors.kernel.org/archlinux/iso/latest/sha1sums.txt | grep "bootstrap" | head -n1)
SHA1=\$(echo "\$LATEST" | cut -d' ' -f1)
NAME=\$(echo "\$LATEST" | cut -d' ' -f3)
curl -O "https://mirrors.kernel.org/archlinux/iso/latest/\$NAME"
tar -xzf "\$NAME"
echo 'Server = http://archlinux.mirrors.ovh.net/archlinux/\$repo/os/\$arch' > /tmp/root.x86_64/etc/pacman.d/mirrorlist
DEVICE_STR=\$(cat /proc/mounts | grep "/dev/sd.. /mnt/")
DEVICE=\$(echo "\$DEVICE_STR" | cut -d' ' -f1)
MOUNTPOINT=\$(echo "\$DEVICE_STR" | cut -d' ' -f2)
umount "\$DEVICE"
UUID=\$(lsblk -rno UUID "\$DEVICE")
echo "\$UUID" > /tmp/root.x86_64/device_uuid
cp /tmp/arch_chroot_script.sh /tmp/root.x86_64/
/tmp/root.x86_64/bin/arch-chroot /tmp/root.x86_64/ /arch_chroot_script.sh
mount "\$DEVICE"
cp /tmp/arch_install_script.sh "\$MOUNTPOINT/root/"
/tmp/root.x86_64/bin/arch-chroot "\$MOUNTPOINT" /root/arch_install_script.sh
EOF
cat > $ARCH_CHROOT_SCRIPT <<EOF
#!/bin/bash
pacman-key --init
pacman-key --populate archlinux
UUID=\$(cat /device_uuid)
PART="/dev/disk/by-uuid/\$UUID"
DEVICE=\$(realpath "\$PART")
# mkfs.ext4 -F -U "\$UUID" "\$DEVICE"
mount "\$DEVICE" /mnt
##### FIXME: mkfs.ext4 would be better ####
for i in /mnt/*; do
if [ "\$i" = "/mnt/boot" ]; then
# keep /boot/grub
rm -f \$i/*
else
rm -rf \$i
fi
done
##### /FIXME ####
pacstrap /mnt base git puppet
echo "\$PART / auto defaults 0 1" > /mnt/etc/fstab
umount /mnt
EOF
cat > $ARCH_INSTALL_SCRIPT <<EOF
CODE_PATH="/etc/puppetlabs/code"
rm -rf \$CODE_PATH
git clone -b master --recursive https://git.immae.eu/perso/Immae/Projets/Puppet.git \$CODE_PATH
puppet apply --test \$CODE_PATH/manifests/site.pp
# The password seed requires puppet to be run twice
puppet apply --test \$CODE_PATH/manifests/site.pp
EOF
chmod a+x $ARCH_HOST_SCRIPT $ARCH_CHROOT_SCRIPT $ARCH_INSTALL_SCRIPT
expect -f - <<EOF
set timeout -1
spawn scp -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o CheckHostIP=no $ARCH_HOST_SCRIPT $ARCH_CHROOT_SCRIPT $ARCH_INSTALL_SCRIPT root@$vps_name:/tmp
expect "assword:"
send "$password\n"
expect eof
spawn ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o CheckHostIP=no root@$vps_name /tmp/arch_host_script.sh
expect "assword:"
send "$password\r"
expect eof
EOF
read -p "Reboot to normal? [Y/n]" reboot
if [ "x$reboot" != "xn" ]; then
echo "Rebooting"
python $PYTHON_DIRECTORY/reboot_vps_server.py --local "$vps_name"
fi
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