diff options
| -rw-r--r-- | BUGS | 0 | ||||
| -rw-r--r-- | LINKS | 27 | ||||
| -rw-r--r-- | README | 100 | ||||
| -rw-r--r-- | TODOS | 10 | ||||
| -rwxr-xr-x | archauto.sh | 116 | ||||
| -rwxr-xr-x | createvm.sh | 56 | ||||
| -rw-r--r-- | tftproot/README | 1 | ||||
| -rw-r--r-- | tftproot/boot/i686/.placeholder | 0 | ||||
| -rw-r--r-- | tftproot/pxelinux.cfg/01-52-54-00-12-34-56 | 16 |
9 files changed, 326 insertions, 0 deletions
@@ -0,0 +1,27 @@ +Links +----- + +https://wiki.archlinux.org/index.php/Archiso +https://wiki.archlinux.org/index.php/PXE +https://wiki.archlinux.org/index.php/Archiso_as_pxe_server +https://kroweer.wordpress.com/2011/09/07/creating-a-custom-arch-linux-live-usb/ +http://pxeknife.erebor.org/ +https://github.com/altercation/archblocks +https://bbs.archlinux.org/viewtopic.php?id=149597 +https://github.com/jdodds/aif +https://wiki.archlinux.org/index.php/Autostarting +https://wiki.archlinux.org/index.php/Automatic_login_to_virtual_console +https://wiki.archlinux.org/index.php/Official_Arch_Linux_Install_Guide +https://bbs.archlinux.org/viewtopic.php?id=148790 (text mode boot from archiso) +http://sourceforge.net/apps/mediawiki/tianocore/index.php?title=How_to_run_OVMF (UEFI BIOS) +https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2/EdkShellBinPkg/FullShell/X64/Shell_Full.efi +https://wiki.archlinux.org/index.php/GRUB2 +http://www.brianparsons.net/Best-Practices-For-Using-Arch-Linux-on-Servers/ + +Other projects +-------------- +https://github.com/roman-neuhauser/anarchinst + +virt-install for various platforms +---------------------------------- +https://raymii.org/s/articles/virt-install_introduction_and_copy_paste_distro_install_commands.html @@ -0,0 +1,100 @@ +wget archlinux-2017.08.01-i686.iso +mkdir cdrom +mount -o loop archlinux-2017.08.01-i686.iso cdrom + +wget -m mirror.archlinux32.org + +mv mirror.archlinux32.org mirror + +TODO FROM HERE: + + + +# We mount it and make it accessible over the 'darkhttpd' webserver: + + +TFTP root (for PXE boot) +--------- + +# Copy PXE bootstrap files to a TFTP root: + +cp archiso/arch/boot/i686/vmlinuz tftproot/boot/i686/ +cp archiso/arch/boot/i686/archiso.img tftproot/boot/i686/ + +cp /usr/share/syslinux/pxelinux.0 tftproot/ +cp /usr/share/syslinux/linux.c32 tftproot/ + +Local kernel and RAMdisk (for libvirt direct kernel boot) +------------------------ + +cp archiso/arch/boot/i686/vmlinuz . +cp archiso/arch/boot/i686/archiso.img . + +Install Archlinux (PXE and qemu directly) +----------------- + +Create a Qemu image with Archlinux (automatically). The main +work is done by the 'archauto.sh' script which is given to +the archiso kernel as script to execute after auto-login: + +qemu-img create arch32.img 2G + +qemu-system-i386 -drive file=arch32.img,index=0,media=disk,format=raw,if=virtio -net nic \ + -enable-kvm \ + -net user,id=net0,net=192.168.130.2/24,host=192.168.130.1,tftp=$PWD/tftproot,bootfile=pxelinux.0 \ + -m 2048 \ + -machine accel=kvm -redir tcp:2222::22 + +# fails somehow to start script +# 10.0.2.0 network is quite stuborn, how to set explicitely? +# -nographic -serial mon:stdio \ + +qemu-system-i386 -drive file=arch32.img,index=0,media=disk,format=raw,if=virtio -net nic \ + -enable-kvm \ + -net user,id=net0,net=192.168.130.2/24,host=192.168.130.1 \ + -m 2048 \ + -machine accel=kvm -redir tcp:2222::22 + +Install Archlinux (libvirtd and virt-install) +----------------- + +There are quite some steps here, so they are wrapped into a shell script: + +./createvm.sh + +TODOs +----- + +# remote install (manually), then follow docu +# (this gives a rough idea of what should be automatized) +#passwd +#systemctl start sshd +#sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/g' /etc/ssh/sshd_config + +# automatic installation frameworks for ArchLinux +# - AIF +# - ArchBlocks +# - ArchBang +# - backpac: snapshots, not really the cfengine philosophy +# load them after boot of base system or customize the installation medium? + +# EFI, later +# wget 'http://wiki.qemu.org/download/efi-bios.tar.bz2' +# qemu with efi +# efi partition etc + +# manual minimal installation or "what's needed in a CFengine bootstrap +# script"? +# - boot loader +# - grub2 +# - virtio ramdisk hooks +# - partitioning +# - sgdisk scripting (ArchBlocks does it nicely) +# - RAID, LVM, LUKS and friends +# - size, swap, filesystem, chunking +# - file system layout + +# via cfengine + +# packages net-tools gdisk + @@ -0,0 +1,10 @@ +- SigLevel = Newer, because we have a problem to distribute AUR + packages signed (own server for software distribution, but + then we hav to fiddle with the keyring of pacman) +- minimal set of cfengine rules, in a readonly/protected git server, + the main point of administration +- local mirrors, not for speed, but for controlled update + => script to keep only the necessary files in sync, not more +- libvirt or qemu +- how to change names of machines? +- how to make clones? diff --git a/archauto.sh b/archauto.sh new file mode 100755 index 0000000..20ec948 --- /dev/null +++ b/archauto.sh @@ -0,0 +1,116 @@ +#!/bin/bash + +# configuration + +INSTALL_DRIVE=/dev/vda +PARTITION_BOOT=1 +PARTITION_ROOT=2 +LABEL_ROOT=ROOT +MOUNT_PATH=/mnt +HOST=192.168.130.1 +HTTP_SERVER=http://${HOST}:8080 +IP=192.168.130.2 +NETMASK=255.255.255.0 +PREFIX=24 +HOSTNAME=arch32 + +# create early SSH access + +echo 'root:xx' | chpasswd +echo "PermitRootLogin yes" >> /etc/ssh/sshd_config +systemctl start sshd + +echo "Partitioning and creating filesystem.." + +mknod /dev/vda b 254 0 +mknod /dev/vda1 b 254 1 +mknod /dev/vda2 b 254 2 + +wipefs -a ${INSTALL_DRIVE} + +printf ",128M,L,*\n" | /sbin/sfdisk -f ${INSTALL_DRIVE} +printf ",,L,*\n" | /sbin/sfdisk -a -f ${INSTALL_DRIVE} + +mkfs.ext2 ${INSTALL_DRIVE}${PARTITION_BOOT} +mkfs.ext4 ${INSTALL_DRIVE}${PARTITION_ROOT} + +mount ${INSTALL_DRIVE}${PARTITION_ROOT} ${MOUNT_PATH} +mkdir ${MOUNT_PATH}/boot +mount ${INSTALL_DRIVE}${PARTITION_BOOT} ${MOUNT_PATH}/boot + +echo "Patching pacman to play locally.." + +cat >/etc/pacman.d/mirrorlist <<EOF +Server = ${HTTP_SERVER}/mirror/\$arch/\$repo +EOF + +echo "Installing keyring for ArchLinux32." + +sed -i 's/^SigLevel.*/SigLevel = Never/g' /etc/pacman.conf +pacman --noconfirm -Syyw archlinux32-keyring +sed -i 's/^SigLevel.*/SigLevel = Required DatabaseOptional/g' /etc/pacman.conf +pacman --noconfirm -U /var/cache/pacman/pkg/archlinux32-keyring-*.pkg.tar.xz + +echo "Installing minimalistic base system.." + +pacstrap ${MOUNT_PATH} filesystem grep findutils coreutils glibc bash pacman \ + mkinitcpio linux dhcpcd systemd sed systemd-sysvcompat + +echo "Patching pacman in chroot to play locally.." + +cat >${MOUNT_PATH}/etc/pacman.d/mirrorlist <<EOF +Server = ${HTTP_SERVER}/mirror/\$arch/\$repo +EOF + +echo "Test if we can update the system inside chroot." + +arch-chroot ${MOUNT_PATH} pacman -Syyu + +echo "Install /etc/fstab" +genfstab -L -p ${MOUNT_PATH} > ${MOUNT_PATH}/etc/fstab + +echo "Installing boot loader.." + +arch-chroot ${MOUNT_PATH} pacman --noconfirm -S grub +arch-chroot ${MOUNT_PATH} grub-mkconfig -o /boot/grub/grub.cfg +arch-chroot ${MOUNT_PATH} grub-install --force /dev/vda + +echo "Configuring base system.." + +sed -i 's/^#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/g' ${MOUNT_PATH}/etc/locale.gen +arch-chroot ${MOUNT_PATH} locale-gen +echo LANG=en_US.UTF-8 > ${MOUNT_PATH}/etc/locale.conf + +ln -fs /usr/share/zoneinfo/Europe/Zurich ${MOUNT_PATH}/etc/localtime +arch-chroot ${MOUNT_PATH} hwclock --systohc --utc + +echo ${HOSTNAME} > ${MOUNT_PATH}/etc/hostname + +cat > ${MOUNT_PATH}/etc/systemd/network/25-wired.network <<EOF +[Match] +Name=ens3 + +[Network] +Address=${IP}/${PREFIX} +Gateway=${HOST} +EOF + +arch-chroot ${MOUNT_PATH} systemctl enable systemd-networkd +arch-chroot ${MOUNT_PATH} systemctl enable systemd-resolved + +arch-chroot ${MOUNT_PATH} sh -c "echo 'root:xx' | chpasswd" + +arch-chroot ${MOUNT_PATH} pacman --noconfirm -S openssh +echo "PermitRootLogin yes" >>${MOUNT_PATH}/etc/ssh/sshd_config +arch-chroot ${MOUNT_PATH} systemctl enable sshd + +echo "Unmounting.." + +umount ${MOUNT_PATH}/boot +umount ${MOUNT_PATH} + +echo "Powering off.." + +sleep 10 + +systemctl poweroff diff --git a/createvm.sh b/createvm.sh new file mode 100755 index 0000000..f84e998 --- /dev/null +++ b/createvm.sh @@ -0,0 +1,56 @@ +#!/bin/bash + +# configuration + +NAME=arch32 +HOST=192.168.130.1 +NETMASK=255.255.255.0 +PREFIX=24 +CLIENT=192.168.130.2 + +vm_is_running() { + if [ "$(virsh domstate $1 2>/dev/null)" == "running" ]; then + return 0 + else + return 1 + fi +} + +wait_for_vm_to_stop() { + while vm_is_running $1; do + sleep 1 + done +} + +mount -o loop,ro archlinux-2017.08.01-i686.iso archiso + +cp archiso/arch/boot/i686/vmlinuz . +cp archiso/arch/boot/i686/archiso.img . + +darkhttpd . --port 8080 & + +virt-install --name ${NAME} -r 2048 --vcpus=1 --os-type=linux --os-variant=virtio26 \ + --disk pool=default,size=2,format=qcow2 --network bridge=br0,model=virtio \ + --vnc --vncport=5901 --noreboot \ + --boot kernel=vmlinuz,initrd=archiso.img,kernel_args="archisobasedir=archiso/arch archiso_http_srv=http://${HOST}:8080/ script=http://${HOST}:8080/archauto.sh ip=${CLIENT}:::${NETMASK}:arch32::off nomodeset i915.modeset=0" & +# --noautoconsole +sleep 5 + +virsh start ${NAME} + +sleep 5 + +wait_for_vm_to_stop ${NAME} + +virsh dumpxml ${NAME} > ${NAME}.xml + +xmlstarlet ed -d '/domain/os/kernel' ${NAME}.xml | xmlstarlet ed -d '/domain/os/initrd' | xmlstarlet ed -d '/domain/os/cmdline' > ${NAME}-new.xml + +virsh define ${NAME}-new.xml + +virsh start ${NAME} + +rm -f ${NAME}-new.xml ${NAME}.xml + +pkill darkhttpd +umount archiso diff --git a/tftproot/README b/tftproot/README new file mode 100644 index 0000000..da0f89a --- /dev/null +++ b/tftproot/README @@ -0,0 +1 @@ +The root of the TFTP server (embedded or real/standalone) diff --git a/tftproot/boot/i686/.placeholder b/tftproot/boot/i686/.placeholder new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tftproot/boot/i686/.placeholder diff --git a/tftproot/pxelinux.cfg/01-52-54-00-12-34-56 b/tftproot/pxelinux.cfg/01-52-54-00-12-34-56 new file mode 100644 index 0000000..4605ffa --- /dev/null +++ b/tftproot/pxelinux.cfg/01-52-54-00-12-34-56 @@ -0,0 +1,16 @@ +SAY Archlinux32 automatic installation.. +TIMEOUT 10 + +DEFAULT arch32 + +SERIAL 0 9600 0x303 + +LABEL arch32 +TEXT HELP +Install Arch Linux (32-bit) automatically +ENDTEXT +MENU LABEL Boot Arch Linux (32-bit) +LINUX boot/i686/vmlinuz +INITRD boot/i686/archiso.img +APPEND archisobasedir=archiso/arch archisobasedir=archiso/arch archiso_http_srv=http://192.168.130.1:8080/ script=http://192.168.130.1:8080/archauto.sh ip=192.168.130.2:::255.255.255.0:arch32::off nomodeset i915.modeset=0 console=ttyS0,9600n8 +IPAPPEND 3 |