From 4f11597d495853c4ef8d10d9cadd13c231b2bec3 Mon Sep 17 00:00:00 2001
From: VG <vg@devys.org>
Date: Fri, 28 Oct 2016 23:20:19 +0200
Subject: m

---
 make-vm-debootstrap | 392 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 392 insertions(+)
 create mode 100755 make-vm-debootstrap

(limited to 'make-vm-debootstrap')

diff --git a/make-vm-debootstrap b/make-vm-debootstrap
new file mode 100755
index 0000000..667eead
--- /dev/null
+++ b/make-vm-debootstrap
@@ -0,0 +1,392 @@
+#!/bin/bash
+
+set -eu
+
+#if [ "$UID" != "0" ]; then
+#    exec sudo -- "$0" "$@"
+#fi
+
+traperror()
+{
+    echo "args: $*" >&2
+    echo "trace: ${FUNCNAME[*]} ${BASH_LINENO[*]}" >&2
+    exit 1
+}
+
+fail() { echo "${FUNCNAME[1]} ${BASH_LINENO[0]}: $*" >&2; exit 1; }
+#trap 'fail unhandled exception' ERR
+trap 'traperror $LINENO ${FUNCNAME:-main} $BASH_LINENO; trap - ERR' ERR
+
+exec 3>&1
+exec >debootstrap.log
+echo "I: log=debootstrap.log">&2
+
+RELEASE=unstable
+#MIRROR=http://fr.archive.ubuntu.com/ubuntu/
+MIRROR=http://apt:9999/debian/
+ARCH=amd64
+PKGS="$(sed 's/^#.*$//'<<EOF
+apt
+aptitude
+bash
+bash-completion
+bind9-host
+bmon
+busybox
+bzip2
+curl
+ed
+grub2
+htop
+iftop
+ifupdown
+iotop
+iperf
+iproute2
+iptables
+iputils-ping
+isc-dhcp-client
+less
+lftp
+linux-image-virtual
+locales
+locales libui-dialog-perl dialog
+locate
+ncdu
+ncurses-base
+ncurses-term
+net-tools
+netbase
+netcat
+nload
+openssh-client
+openssh-server
+psmisc
+python3
+ranger
+rsync
+runit
+screen
+sed
+sl
+socat
+socklog
+strace
+tar
+tcpdump
+telnet
+tmux
+tree
+tzdata
+vim
+vim-nox
+vim-runtime
+w3m
+wget
+zsh
+EOF
+)"
+
+
+
+    fail I want to fail
+#false
+
+test0() {
+    traperror test
+    #fail test of the week
+    echo 'test0' >&2
+    false
+    echo 'test0-end' >&2
+}
+
+test0
+
+false
+
+#echo "Warning: will erase $BLOCKDEV with mkfs.ext4 in 10seconds...">&2
+#for i in $(seq 10 -1 0); do sleep 1; printf "%d... " $i>&2; done
+#echo>&2
+#mkfs -q -F -t ext4 -L rootfs "$BLOCKDEV" || exit 1
+#mkdir -p "$DESTDIR"
+#echo "mounting block device...">&2
+#mount -v -t ext4 "$BLOCKDEV" "$DESTDIR" || \
+#    mount -v -t ext4 -o loop "$BLOCKDEV" "$DESTDIR" || exit 1
+#echo "In case of error, please remember to umount $DESTDIR">&2
+
+# compacting qcow2 images files
+# You have to zerofill the data on the disk first.
+#   sfill -fllvz
+# Then clone the image file
+#   qemu-img convert -p -O qcow2 ./source.img ./packed.
+
+#modprobe nbd max_part=16
+#qemu-nbd -c /dev/nbd0 image.qcow2
+#partprobe /dev/nbd0
+#mount /dev/nbd0p1 /mnt/image
+
+echo "I: debootstraping...">&2
+qemu-debootstrap --arch="$ARCH" \
+    --include="$PKGS" --components=main,universe \
+    "$RELEASE" "$DESTDIR" "$MIRROR"
+
+if [ ! -e "$KERNEL" ];then
+    echo "I: wget kernel...">&2
+    wget -q "$MIRROR/dists/$RELEASE/main/installer-$ARCH/current/images/netboot/ubuntu-installer/$ARCH/linux" -O "$KERNEL"
+fi
+
+echo "I: adjust configuration...">&2
+rm -f "$DESTDIR/etc/localtime"
+cat "$DESTDIR/usr/share/zoneinfo/Europe/Paris" > "$DESTDIR/etc/localtime"
+
+# network
+cat >"$DESTDIR/etc/network/interfaces"<<EOF
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet static
+address 10.1.1.252
+netmask 255.255.255.0
+gateway 10.1.1.254
+EOF
+echo "127.0.0.1 localhost localhost.localdomain">"$DESTDIR/etc/hosts"
+echo "localhost">"$DESTDIR/etc/hostname"
+echo "servername 10.1.1.254">"$DESTDIR/etc/resolv.conf"
+
+for f in "$DESTDIR"/etc/init/tty[1-6].conf; do
+    echo "manual">${f%.conf}.override
+done
+
+chmod +w "$DESTDIR/etc/sudoers"
+sed 's,#* *%sudo.*,%sudo ALL=(ALL) NOPASSWD: ALL,' -i "$DESTDIR/etc/sudoers"
+chmod -w "$DESTDIR/etc/sudoers"
+
+#UUID="$(blkid "$BLOCKDEV" | sed 's/^.*UUID="\([a-zA-Z0-9-]\+\)".*$/\1/')"
+cat >"$DESTDIR/etc/fstab"<<EOF
+# <device> <mount point> <type> <options> <dump>  <pass>
+/dev/vda   /     ext4 errors=remount-ro,noatime                      0 1
+tmpfs /tmp     tmpfs mode=1777,noatime,size=128m,nodev,nosuid,noexec 0 0
+tmpfs /var/log tmpfs mode=1777,noatime,size=4m,nodev,nosuid,noexec   0 0
+tmpfs /var/tmp tmpfs mode=1777,noatime,size=128m,nodev,nosuid,noexec 0 0
+
+#UUID=$UUID /    ext4 errors=remount-ro,noatime                      0 1
+#UUID=use blkid for uuid discovery /home ext4 noatime                0 2
+#UUID=6d9ac889-3c25-4e05-90f3-d183f8b14aca none  swap sw,auto        0 0
+EOF
+
+mkdir -p "$DESTDIR/etc/sv/ttyS0/"
+mkdir -p "$DESTDIR/etc/service/"
+cat >"$DESTDIR/etc/sv/ttyS0/run"<<"EOF"
+#!/bin/bash
+dev=/dev/ttyS0
+/bin/stty -F $dev sane clocal -crtscts -hupcl
+exec <$dev >$dev 2>$dev
+echo
+echo "Press enter to continue..."; read
+cd /root
+/usr/bin/env -i HOME=/root PATH=/usr/sbin:/usr/bin:/sbin:/bin TERM=screen-256color /usr/bin/setsid /bin/bash
+exec wait
+#exec /bin/bash
+#exec /usr/bin/env -i /bin/sh
+#exec /usr/bin/setsid /bin/sh
+EOF
+chmod +x "$DESTDIR/etc/sv/ttyS0/run"
+ln -sfv "/etc/sv/ttyS0/" "$DESTDIR/etc/service/"
+
+mkdir -p "$DESTDIR/etc/ssh"
+cat >"$DESTDIR/etc/ssh/sshd_config"<<EOF
+Port 22
+Protocol 2
+HostKey /etc/ssh/ssh_host_rsa_key
+HostKey /etc/ssh/ssh_host_dsa_key
+HostKey /etc/ssh/ssh_host_ecdsa_key
+UsePrivilegeSeparation yes
+KeyRegenerationInterval 3600
+ServerKeyBits 768
+SyslogFacility AUTH
+LogLevel INFO
+LoginGraceTime 120
+PermitRootLogin no
+StrictModes yes
+RSAAuthentication yes
+PubkeyAuthentication yes
+IgnoreRhosts yes
+RhostsRSAAuthentication no
+HostbasedAuthentication no
+PermitEmptyPasswords no
+ChallengeResponseAuthentication no
+PasswordAuthentication no
+X11Forwarding yes
+X11DisplayOffset 10
+PrintMotd no
+PrintLastLog yes
+TCPKeepAlive yes
+AcceptEnv LANG LC_*
+Subsystem sftp /usr/lib/openssh/sftp-server
+UsePAM yes
+AllowUsers calendros
+EOF
+
+cat > "$DESTDIR/etc/apt/sources.list" <<EOF
+deb $MIRROR $RELEASE main universe
+deb http://security.ubuntu.com/ubuntu/ $RELEASE-security main universe
+EOF
+
+# /etc/default files:
+cat > "$DESTDIR/etc/default/console-setup"<<EOF
+VERBOSE_OUTPUT="no"
+ACTIVE_CONSOLES="/dev/ttyS0"
+CHARMAP="UTF-8"
+CODESET="Uni2"
+FONTFACE="Fixed"
+FONTSIZE="16"
+if [ -f /etc/default/keyboard ]; then
+    . /etc/default/keyboard
+fi
+EOF
+cat >"$DESTDIR/etc/default/keyboard"<<EOF
+XKBMODEL="pc105"
+XKBLAYOUT="fr"
+XKBVARIANT="bepo"
+XKBOPTIONS=""
+EOF
+cat >"$DESTDIR/etc/default/locale"<<EOF
+LANG="en_US.UTF-8"
+LC_TIME="en_DK.UTF-8"
+LC_PAPER="en_GB.UTF-8"
+LC_MEASUREMENT="en_GB.UTF-8"
+EOF
+
+cat >>"$DESTDIR/etc/bash.bashrc"<<EOF
+# enable bash completion in interactive shells
+if ! shopt -oq posix; then
+  if [ -f /usr/share/bash-completion/bash_completion ]; then
+    . /usr/share/bash-completion/bash_completion
+  elif [ -f /etc/bash_completion ]; then
+    . /etc/bash_completion
+  fi
+fi
+alias ls="ls --color=aut"
+alias l="ls -CF"
+alias ll="l -lh"
+alias la="l -a"
+alias e="vim"
+alias rm='rm -i'
+alias cp='cp -i'
+alias mv='mv -i'
+export PAGER=less
+export EDITOR=vim
+export VISUAL=vim
+EOF
+
+mkdir -p "$DESTDIR/etc/vim"
+cat >"$DESTDIR/etc/vim/vimrc"<<EOF
+set nocompatible
+set modelines=0
+set backspace=2
+syntax on
+set autoindent
+set ts=4
+set shiftwidth=4
+set ruler
+set laststatus=2
+set statusline=%<%f%h%m%r%=%l,%c\ %P
+set wildmode=list:full
+set nobackup nowritebackup
+set hlsearch
+set whichwrap=<,>,[,]
+set scrolloff=1
+EOF
+
+rm -r "$DESTDIR/etc/skel"
+mkdir -p "$DESTDIR/etc/skel"
+
+cat > "$DESTDIR/init-stage2.sh" << EOF
+#!/bin/sh
+export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
+mount -no remount,rw /
+mount -t proc proc /proc
+mount -t sysfs sysfs /sys
+
+/debootstrap/debootstrap --second-stage
+
+# second stage may unmount this...
+[ -e /proc/mounts ] || mount -t proc proc /proc
+[ -e /sys/kernel ] || mount -t sysfs sysfs /sys
+busybox mdev -s
+
+echo '------ mounts:'
+cat /proc/mounts
+echo '------'
+
+mv /etc/default/extlinux /etc/default/extlinux.dist
+cat >/etc/default/extlinux<<EOF2
+EXTLINUX_UPDATE="true"
+EXTLINUX_ALTERNATIVES="default"
+EXTLINUX_DEFAULT="l0"
+EXTLINUX_ENTRIES="all"
+EXTLINUX_MEMDISK="true"
+EXTLINUX_MEMDISK_DIRECTORY="/boot"
+EXTLINUX_MENU_LABEL="Ubuntu GNU/Linux, kernel"
+EXTLINUX_OS_PROBER="false"
+EXTLINUX_PARAMETERS="ro quiet console=ttyS0,115200n8 panic=120 oops=panic"
+EXTLINUX_ROOT="root=/dev/vda"
+EXTLINUX_THEME="none"
+EXTLINUX_TIMEOUT="1" # wait 1 tenth of a second (0 is wait forever...)
+EOF2
+[ -e /dev/root ] || ln -sv /dev/vda /dev/root
+extlinux -i /boot/extlinux/
+
+passwd -d -l root
+useradd -M -b /home -d /home/calendros -U -G sudo -s /bin/bash calendros
+mkdir -p /home/calendros/.ssh/
+touch /home/calendros/.ssh/authorized_keys
+chmod 700 /home/calendros/.ssh
+chmod 600 /home/calendros/.ssh/authorized_keys
+chown calendros:calendros -R /home/calendros
+echo '. /etc/bash.bashrc' >~root/.bashrc
+echo '. ~/.bashrc' >~root/.bash_profile
+echo '. /etc/bash.bashrc' >~calendros/.bashrc
+echo '. ~/.bashrc' >~calendros/.bash_profile
+
+locale-gen en_US.UTF-8 en_GB.UTF-8 en_DK.UTF-8 fr_FR.UTF-8
+
+# dhclient may erase /etc/resolv.conf, and is not really useful here
+#ip link set eth0 up
+#dhclient eth0
+#apt-get update
+
+echo "Dropping a shell, press Ctrl-D or type exit to finish."
+/bin/bash
+
+rm -v /etc/udev/rules.d/70-persistent-*.rules
+
+echo "Bootstrap ended, poweroff in 10seconds..."
+rm /init-stage2.sh
+#sleep 10 || exec /bin/bash # for debug
+#poweroff & # does not work
+sync
+fuser -k /
+sleep 1
+mount -o remount,ro /
+exit 0 # will panic, but does not matter now (don't know how to shutdown o/w)
+EOF
+chmod +x "$DESTDIR/init-stage2.sh"
+
+cat >&2 <<EOF
+I: please umount destination blockdev...
+I: like: sudo umount -v "$DESTDIR"
+I: then run vm, deboostrap phase 2 (adjust blockdev)...
+I: export DEV=blockdev; qemu-system-x86_64 -machine accel=kvm -m 256 \\
+    -monitor unix:/tmp/debootstrap-monitor,server,nowait \\
+    -serial  unix:/tmp/debootstrap-serial,server \\
+    -vga vmware -display none \\
+    -drive file="\$DEV",if=virtio \\
+    -kernel "$KERNEL" \\
+    -append "quiet rootdelay=10 root=/dev/vda init=/init-stage2.sh console=ttyS0,115200n8"
+I: To copy this image to another host, remember to run:
+I: extlinux -i /yourcopyplace/boot/extlinux/
+I: end of script...
+EOF
+
-- 
cgit v1.2.3