diff --git a/OVH-RISE-3.sh b/OVH-RISE-3.sh new file mode 100644 index 0000000..b930afc --- /dev/null +++ b/OVH-RISE-3.sh @@ -0,0 +1,253 @@ +#!/bin/bash + +# Script joué le 2021-11-15 par abenmiloud +# * Serveur RISE-3 - Intel Xeon-E 2288G - 8c/16t - 3.7 GHz/5 GHz - 32 GB ECC 2666 MHz - SoftRaid3×4 TB HDD SATA + +# Le script suppose que : +# * il y a 3 disques en RAID soft +# * le serveur boot en UEFI +# * on va reconstruire toute la table de partitionnement (GPT) du serveur +# * le volume "rootfs" actuel est /dev/md127 +# Enfin un fstab est généré, le raid est configuré, lvm2 est installé, +# le volume de backup sera traitée plus tard grubet le kernel est réinstallé. + +# Avant de commencer, consulter les disques pour vérifier les noms +lsblk + +################################################################################ +# +# À partir de là, le script *peut* être copié/collé en un bloc +# Mais bien vérifier l'état au fur et à mesure + +export LC_ALL=C + +swapoff -a +sleep 1 + +cd /mnt + +mkdir root_in_ram rootfs home var usr srv +mount -t tmpfs none /mnt/root_in_ram -o size=90% +mount /dev/md127 /mnt/rootfs/ +sleep 1 + +rsync -a /mnt/rootfs/ /mnt/root_in_ram/ +sleep 1 + +umount /mnt/rootfs +sleep 1 + +mdadm --stop /dev/md127 +sleep 1 + +# Create a GPT label. (Removes all parts). +parted -s /dev/sda mklabel gpt +sleep 1 +# /boot/efi +parted -a minimal -s /dev/sda mkpart ESP fat32 0M 100M +sleep 1 +parted -s /dev/sda set 1 esp on +sleep 1 +parted -s /dev/sda set 1 boot on +sleep 1 +mkfs.vfat -F32 /dev/sda1 > /dev/null +sleep 1 +# /boot +parted -a minimal -s /dev/sda mkpart primary ext4 100M 600M +sleep 1 +parted -s /dev/sda set 2 boot on +sleep 1 +parted -s /dev/sda set 2 raid on +sleep 1 +# / +parted -a minimal -s /dev/sda mkpart primary ext4 600M 1600M +sleep 1 +parted -s /dev/sda set 3 raid on +sleep 1 +# /usr +parted -a minimal -s /dev/sda mkpart primary ext4 1600M 7600M +sleep 1 +parted -s /dev/sda set 4 raid on +sleep 1 +# swap +parted -a minimal -s /dev/sda mkpart primary ext4 7600M 8100M +sleep 1 +parted -a minimal -s /dev/sda mkpart primary ext4 8100M 8600M +sleep 1 +# LVM +parted -a minimal -s /dev/sda mkpart primary ext4 8600M 100% +sleep 1 +parted -s /dev/sda set 7 raid on +sleep 1 + +# Copy partitions to second disk +sgdisk -R=/dev/sdb /dev/sda +sleep 1 +sgdisk -G /dev/sdb +sleep 1 +partprobe /dev/sda +sleep 1 +partprobe /dev/sdb +sleep 1 + +# Copy partitions to third disk +sgdisk -R=/dev/sdc /dev/sda +sleep 1 +sgdisk -G /dev/sdc +sleep 1 +partprobe /dev/sda +sleep 1 +partprobe /dev/sdc +sleep 1 + +# RAID5 for systems. +# Metadata 0.90 as some OVH kernel need it to boot. +for part in 2 3 4 7 +do + mdadm --create /dev/md"${part}" --metadata=0.90 --level=raid5 --raid-device=3 /dev/{sda,sdb,sdc}"${part}" +done +sleep 1 + +mkfs.ext4 /dev/md2 > /dev/null +sleep 1 +mkfs.ext4 /dev/md3 > /dev/null +sleep 1 +mkfs.ext4 /dev/md4 > /dev/null +sleep 1 +for disk in sda sdb sdc +do + for part in 5 6 + do + mkswap -f /dev/"${disk}""${part}" + sleep 1 + done +done + +# Add LVM with a VG for all of the free space. +pvcreate /dev/md7 +sleep 1 +vgcreate vg0 /dev/md7 +sleep 1 + +lvcreate --size 1G --name tmp vg0 +sleep 1 +mkfs.ext4 /dev/mapper/vg0-tmp > /dev/null +sleep 1 + +lvcreate --size 5G --name var vg0 +sleep 1 +mkfs.ext4 /dev/mapper/vg0-var > /dev/null +sleep 1 + +lvcreate --size 10G --name home vg0 +sleep 1 +mkfs.ext4 /dev/mapper/vg0-home > /dev/null +sleep 1 + +# Copy data from RAM. +mount /dev/md3 /mnt/rootfs +mkdir -p /mnt/rootfs/home && mount /dev/mapper/vg0-home /mnt/rootfs/home +mkdir -p /mnt/rootfs/var && mount /dev/mapper/vg0-var /mnt/rootfs/var +mkdir -p /mnt/rootfs/usr && mount /dev/md4 /mnt/rootfs/usr +mkdir -p /mnt/rootfs/boot && mount /dev/md2 /mnt/rootfs/boot +mkdir -p /mnt/rootfs/boot/efi && mount /dev/sda1 /mnt/rootfs/boot/efi +mkdir -p /mnt/rootfs/tmp && mount /dev/mapper/vg0-tmp /mnt/rootfs/tmp +sleep 1 + +rsync -a /mnt/root_in_ram/home/ /mnt/rootfs/home/ +rsync -a /mnt/root_in_ram/var/ /mnt/rootfs/var/ +rsync -a /mnt/root_in_ram/usr/ /mnt/rootfs/usr/ +rsync -a \ + --exclude="home/**" \ + --exclude="var/**" \ + --exclude="usr/**" \ + --exclude="boot/**" \ + /mnt/root_in_ram/ /mnt/rootfs/ +sleep 1 + +# Generate fstab. +cat < /mnt/rootfs/etc/fstab +UUID=… /boot/efi vfat defaults 0 2 +UUID=… / ext4 errors=remount-ro 0 1 +UUID=… /boot ext4 defaults 0 2 +UUID=… /home ext4 defaults 0 2 +UUID=… /tmp ext4 defaults 0 2 +UUID=… /usr ext4 defaults 0 2 +UUID=… /var ext4 defaults 0 2 +UUID=… none swap sw 0 2 +UUID=… none swap sw 0 2 +UUID=… none swap sw 0 2 +UUID=… none swap sw 0 2 +UUID=… none swap sw 0 2 +UUID=… none swap sw 0 2 +EOT + +# Chroot and install lvm2 + reconfigure grub-pc +mount -t proc none /mnt/rootfs/proc +mount -o bind /dev /mnt/rootfs/dev +mount -o bind /dev/pts /mnt/rootfs/dev/pts +mount -t sysfs sys /mnt/rootfs/sys +mount --bind /run /mnt/rootfs/run + +chroot /mnt/rootfs/ bash +sleep 1 + +# BEGIN chroot +export LC_ALL=C + +chmod 1777 /tmp +sleep 1 + +# purge des paquets de Grub et du noyau, pour réinitialiser complètement les config +rm -rf /etc/default/grub.d +apt purge -y os-prober grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub-pc grub2-common +sleep 1 + +# purge des paquets de Grub et du noyau, pour réinitialiser complètement les config +rm -rf /etc/default/grub.d +apt purge -y os-prober grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub-pc grub2-common +sleep 1 + +# purge des kernels +for kernel_pkg in $(dpkg -l | grep linux-image | awk '{ print $2 }') +do + apt purge -y "${kernel_pkg}" +done +sleep 1 +# copie de la config RAID soft +/usr/share/mdadm/mkconf > /etc/mdadm.conf +sleep 1 +# réinstallation des paquets +apt install -y lvm2 grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub2-common linux-image-amd64 +sleep 1 +apt purge -y os-prober + +dd if=/dev/sda1 of=/dev/sdb1 +dd if=/dev/sda1 of=/dev/sdc1 +efibootmgr -c -g -d /dev/sdb -p 1 -L debian -l '\EFI\debian\grubx64.efi' +efibootmgr -c -g -d /dev/sdc -p 1 -L debian -l '\EFI\debian\grubx64.efi' + +grub-install /dev/sda +sleep 1 +grub-install /dev/sdb +sleep 1 +grub-install /dev/sdc +sleep 1 + +# Questions "update-grub": +# * Linux command line: +# * Linux default command line: quiet +# * Force extra installation to the EFI removable media path? Yes +# * Update NVRAM variables to automatically boot into Debian? Yes +update-grub +dpkg-reconfigure grub-efi-amd64 +sleep 1 + +passwd debian +vi /etc/ssh/sshd_config +systemctl reload ssh.service + +exit +# END chroot + +echo "Evolix partitioning done... You can now reboot!"