100 lines
3.7 KiB
Bash
Executable file
100 lines
3.7 KiB
Bash
Executable file
#/bin/bash
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if ! which wget; then
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yum install -y wget
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fi
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IF="$(ip route show | grep ^default | sed 's/.* dev \([^ ]*\) *.*/\1/' | sort -u)"
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IP="$(ip addr show $IF | grep inet\ | awk '{print $2}' | cut -d/ -f1)"
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PREFIX="$(ip addr show $IF | grep inet\ | awk '{print $2}' | cut -d/ -f2)"
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MASK="$(ipcalc -m $IP/$PREFIX | cut -d= -f2)"
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GW="$(ip route show | grep ^default | sed 's/.* via \([^ ]*\) *.*/\1/' | sort -u)"
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MAC="$(ip addr show $IF | grep ether\ | awk '{print $2}' | cut -d/ -f2 | tr [A-Z] [a-z])"
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DNS="$(grep nameserver /etc/resolv.conf | grep -v 127.0.0.1 | awk '{printf $2","}' | sed 's/,$//')"
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ARCH=$(uname -m | sed 's|i.86|i386|')
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MIRROIR=http://mirror.centos.org/centos/8/BaseOS/$ARCH/os
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#MIRROIR=http://lune.saacy.reslinger.net/repos/CentOS8/$ARCH/os
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#DESKTOP=desktop
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INST_OPTIONS="lang=fr_FR keymap=fr-latin9 panic=1 ks.sendsn ks.sendmac inst.sshd=1 net.ifnames=0 biosdevname=0 $DESKTOP"
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INST_OPTIONS="${INST_OPTIONS} inst.vnc inst.vncpassword=SDFGHJKL"
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if [ -z "$DNS" ]; then
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if [ $(whois $IP | grep -ci dedibox) -gt 0 ]; then
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# Dedibox
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DNS=62.210.16.6,62.210.16.7
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else
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# OVH
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DNS=213.186.33.99
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#DNS=46.246.46.46,194.132.32.23
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fi
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fi
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if [ $(mount | grep -c /boot\ ) -eq 1 ]; then
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PARTBOOT=""
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else
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PARTBOOT="/boot"
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fi
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cd /boot
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wget "$MIRROIR"/isolinux/{vmlinuz,initrd.img}
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if [ $(ip link show | grep ^[0-9] | grep -v lo: | wc -l) -eq 1 ]; then
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INST_OPTIONS="ks.device=link ${INST_OPTIONS}"
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else
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INST_OPTIONS="ks.device=$MAC ${INST_OPTIONS}"
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fi
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if [ ! -z "$STATIC" ]; then
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INST_OPTIONS="ip=$IP::$GW:$MASK:$(hostname -s):$IF:off:${DNS/,*} ${INST_OPTIONS}"
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fi
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if [ -f /boot/grub/grub.conf ]; then
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cat >> /boot/grub/grub.conf <<EOF
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title CentOS 8 Install (PXE)
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root (hd0,0)
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kernel $PARTBOOT/vmlinuz ${INST_OPTIONS} inst.ks=http://boot.reslinger.net/ks8.cfg inst.stage2=$MIRROIR ${CONSOLE}
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initrd $PARTBOOT/initrd.img
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EOF
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NB="$(grep -Ev '^($| *#)' /boot/grub/grub.conf | grep -c title)"
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NB=$[$NB-1]
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echo -e "savedefault --default=$NB --once\nquit\n" | grub --batch
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elif [ -f /boot/grub2/grub.cfg ]; then
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if [ $(sed 's/ /\n/g' /proc/cmdline | grep -c console) -gt 1 ]; then
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# echo "On ajoute les console pour avoir une config également en serial"
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CONSOLE="$(for i in `sed 's/ /\n/g' /proc/cmdline | grep console`; do echo -n "$i "; done | sed 's/ $//')"
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fi
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#BOOT_DISK="$(df -hP /boot/ | awk '{print $1}' | tail -n1)"
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BOOT_DISK="$(mount | grep -e '\s'"`df -h /boot | tail -n1 | awk '{print $6}'`"'\s' | cut -f1 -d\ )"
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#BOOT_UUID="$(tune2fs -l ${BOOT_DISK} | grep UUID | awk '{print $3}')"
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BOOT_UUID="$(blkid ${BOOT_DISK} | sed 's/.*\sUUID="\([^ ]*\)".*/\1/')"
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if [ $(echo "${BOOT_DISK}" | grep -c /dev/md) -eq 1 ]; then
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# Pas forcement /dev/md2 !!!
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UUID_BOOT_DISK="mduuid/$(mdadm --detail ${BOOT_DISK} | grep UUID | awk '{print $3}' | sed 's/://g')"
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else
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#echo "UUID_BOOT_DISK non defini" >&2
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#exit 1
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UUID_BOOT_DISK="${BOOT_UUID}"
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fi
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cat >> /etc/grub.d/40_custom <<EOF
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menuentry 'CentOS 8 Install (PXE)' --unrestricted {
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set root='${UUID_BOOT_DISK}'
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if [ x\$feature_platform_search_hint = xy ]; then
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search --no-floppy --fs-uuid --set=root --hint='${UUID_BOOT_DISK}' ${BOOT_UUID}
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else
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search --no-floppy --fs-uuid --set=root ${BOOT_UUID}
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fi
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linux $PARTBOOT/vmlinuz ${INST_OPTIONS} inst.ks=http://boot.reslinger.net/ks8.cfg inst.stage2=$MIRROIR ${CONSOLE}
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initrd $PARTBOOT/initrd.img
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}
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EOF
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if [ -d /sys/firmware/efi -a -e /boot/efi/EFI/centos/grub.cfg ]; then
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CONFDIR=/boot/efi/EFI/centos
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else
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CONFDIR=/boot/grub2
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fi
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grub2-mkconfig --output="${CONFDIR}"/grub.cfg
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grub2-reboot 'CentOS 8 Install (PXE)'
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else
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echo "Bootloader non identifié !" >&2
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exit 1
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fi
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# avec tigervnc:
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# vncviewer CompressLevel 9 FullColor 176.31.103.156:1
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