129 lines
4.2 KiB
Bash
129 lines
4.2 KiB
Bash
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#!/bin/bash
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# Le script suppose que vous avez installé votre serveur avec le partionnement par défaut.
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# /dev/md3 /, /dev/md4 /home.
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# / doit être sur /dev/md3. Sinon adapter le script !
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# Enfin un fstab est généré, le raid est configuré, lvm2 est installé, grub et le kernel sont réinstallés.
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export LC_ALL=C
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swapoff -a
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cd /mnt
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mkdir root_in_ram rootfs home var usr srv
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mount -t tmpfs none /mnt/root_in_ram -o size=90%
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mount /dev/md3 /mnt/rootfs/
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rsync -a /mnt/rootfs/ /mnt/root_in_ram/
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umount /mnt/rootfs
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# Stop arrays and destroys partitions
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mdadm --stop /dev/md4 && wipefs -a /dev/nvme0n1p4 && wipefs -a /dev/nvme1n1p4
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mdadm --stop /dev/md3 && wipefs -a /dev/nvme0n1p3 && wipefs -a /dev/nvme1n1p3
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# Change LABEL for /boot, yeah 2 times, IDK why but the first time is not applied Oo
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tune2fs -LBOOT /dev/md2 && sleep 5 && tune2fs -LBOOT /dev/md2
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parted -s /dev/nvme0n1 rm 5
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parted -s /dev/nvme0n1 rm 4
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parted -s /dev/nvme0n1 rm 3
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# /
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parted -a optimal -s /dev/nvme0n1 mkpart primary ext4 1073M 2073M
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sleep 2
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parted -s /dev/nvme0n1 set 3 raid on
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# /var
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 2073M 12073M
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sleep 2
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parted -s /dev/nvme0n1 set 4 raid on
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# /usr
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 12073M 17073M
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sleep 2
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parted -s /dev/nvme0n1 set 5 raid on
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# LVM
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 17073M 100%
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parted -s /dev/nvme0n1 set 6 raid on
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sleep 2
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#Copy parts to sdb
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sgdisk -R=/dev/nvme1n1 /dev/nvme0n1
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sgdisk -G /dev/nvme1n1
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partprobe /dev/nvme0n1
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partprobe /dev/nvme1n1
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# RAID1 for systems.
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# Metadata 0.90 as some OVH kernel need it to boot.
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for part in {3,4,5}; do
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mdadm --create /dev/md${part} --metadata=0.90 --level=raid1 --raid-devices=2 /dev/{nvme0n1p,nvme1n1p}${part}
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done
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# No need for LVM part to has metadata 0.90.
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yes | mdadm --create /dev/md6 --level=raid1 --raid-devices=2 /dev/{nvme0n1p,nvme1n1p}6
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mkfs.ext4 -LROOTFS /dev/md3 >/dev/null
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mkfs.ext4 -LVAR /dev/md4 >/dev/null
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mkfs.ext4 -LUSR /dev/md5 >/dev/null
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# Add LVM with a VG for all of the free space.
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pvcreate /dev/md6
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vgcreate vg0 /dev/md6
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lvcreate --size 1G --name tmp vg0
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mkfs.ext4 -LTMP /dev/mapper/vg0-tmp >/dev/null
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lvcreate --size 512M --name swap1 vg0
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lvcreate --size 512M --name swap2 vg0
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mkswap -f -LSWAP1 /dev/mapper/vg0-swap1
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mkswap -f -LSWAP2 /dev/mapper/vg0-swap2
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lvcreate --size 20G --name srv vg0
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mkfs.ext4 -LSRV /dev/mapper/vg0-srv >/dev/null
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lvcreate --size 100G --name home vg0
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mkfs.ext4 -LHOME /dev/mapper/vg0-home >/dev/null
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# Copy data from RAM.
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mount -LROOTFS rootfs
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mount -LHOME home
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mount -LVAR var
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mount -LUSR usr
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rsync -a root_in_ram/home/ home/
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rsync -a root_in_ram/var/ var/
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rsync -a root_in_ram/usr/ usr/
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rsync -a \
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--exclude="home/**" \
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--exclude="var/**" \
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--exclude="usr/**" \
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root_in_ram/ rootfs/
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umount home var usr
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# Generate fstab.
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cat <<EOT>rootfs/etc/fstab
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LABEL=ROOTFS / ext4 errors=remount-ro 0 1
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LABEL=BOOT /boot ext4 defaults 0 2
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LABEL=EFI_SYSPART /boot/efi vfat defaults 0 2
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LABEL=HOME /home ext4 defaults 0 2
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LABEL=TMP /tmp ext4 defaults 0 2
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LABEL=USR /usr ext4 defaults 0 2
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LABEL=VAR /var ext4 defaults 0 2
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LABEL=SRV /srv ext4 defaults 0 2
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LABEL=SWAP1 none swap sw 0 0
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LABEL=SWAP2 none swap sw 0 0
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EOT
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# Chroot and install lvm2 + reconfigure grub-pc
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mount -t proc none /mnt/rootfs/proc
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mount -o bind /dev /mnt/rootfs/dev
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mount -o bind /dev/pts /mnt/rootfs/dev/pts
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mount -t sysfs sys /mnt/rootfs/sys
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rm -rf /mnt/rootfs/boot/*
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chroot /mnt/rootfs/ bash
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export LC_ALL=C
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mount /boot
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mount /dev/nvme0n1p1 /boot/efi
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mount /usr
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mount /var
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mount /tmp
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chmod 1777 /tmp
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apt purge -y grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub-pc grub2-common
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for kernel_pkg in $(dpkg -l | grep linux-image | awk '{ print $2 }'); do apt purge -y $kernel_pkg; done
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# LVM2 déjà OK sur machines OVH
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#apt install -y lvm2
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/usr/share/mdadm/mkconf > /etc/mdadm/mdadm.conf
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apt install -y grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub2-common linux-image-amd64 dosfstools
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update-grub2
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test -f /boot/grub/grub.cfg || echo "Uh? update-grub2 did not create grub.cfg... You need to check the issue!"
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passwd
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sed -i 's/without-password/yes/' /etc/ssh/sshd_config
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exit
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echo "Evolix partitioning done... You can now reboot!"
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