[molecules] add Amazon EC2 ext3-based image generation specs

molecules/sabayon-amd64-spinbase-amazon-ami-template.spec

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+# Use abs path, otherwise daily builds automagic won't work
+# For further documentation, see the file above:
+%import /sabayon/molecules/spinbase-amazon-ami-image-template.common
+
+# pre chroot command, example, for 32bit chroots on 64bit system, you always
+# have to append "linux32" this is useful for inner_chroot_script
+# prechroot:
+
+# Path to source ISO file (MANDATORY)
+source_iso: /sabayon/iso/Sabayon_Linux_SpinBase_DAILY_amd64.iso
+
+release_version: 6
+image_name: Sabayon_Linux_SpinBase_6_amd64_ami.img

molecules/sabayon-x86-spinbase-amazon-ami-template.spec

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+# Use abs path, otherwise daily builds automagic won't work
+# For further documentation, see the file above:
+%import /sabayon/molecules/spinbase-amazon-ami-image-template.common
+
+# pre chroot command, example, for 32bit chroots on 64bit system, you always
+# have to append "linux32" this is useful for inner_chroot_script
+prechroot: linux32
+
+# Path to source ISO file (MANDATORY)
+source_iso: /sabayon/iso/Sabayon_Linux_SpinBase_DAILY_x86.iso
+
+release_version: 6
+image_name: Sabayon_Linux_SpinBase_6_x86_ami.img

molecules/spinbase-amazon-ami-image-template.common

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+# WARNING:
+# variables in your .spec files importing this .common header,
+# DO NOT override the ones set here, but rather their values will
+# be concatenated.
+# So, if this files has:
+#   my_variable: hello_world
+# And you import this (through %import file.common) and set
+#   my_variable: go_to_hell
+# You will get my_variable containing: "hello_world go_to_hell"
+# It doesn't work like in programming languages!
+
+# Define an alternative execution strategy, in this case, the value must be
+execution_strategy: iso_to_image
+
+# Error script command, executed when something went wrong and molecule has
+# to terminate the execution
+# Variables exported:
+# LOOP_DEVICE = loop device (/dev/loopN) currently in use
+error_script: /sabayon/scripts/image_error_script.sh
+
+# Outer chroot script command, to be executed outside destination chroot before
+# before entering it (and before inner_chroot_script)
+outer_chroot_script: /sabayon/scripts/remaster_pre.sh
+
+# Inner chroot script command, to be executed inside destination chroot before
+# packing it
+inner_chroot_script: /sabayon/scripts/remaster_generic_inner_chroot_script.sh
+
+# Inner chroot script command, to be executed inside destination chroot after
+# packages installation and removal
+inner_chroot_script_after: /sabayon/scripts/image_generic_inner_chroot_script_after.sh
+
+# Outer chroot script command, to be executed outside destination chroot before
+# before entering it (and AFTER inner_chroot_script)
+outer_chroot_script_after: /sabayon/scripts/remaster_post.sh
+
+# Pre-image building script. Hook called before image file creation
+# Variables exported:
+# TMP_IMAGE_PATH = path pointing to the temporary destination image file
+# LOOP_DEVICE = loop device (/dev/loopN) currently in use
+# pre_image_script: /sabayon/scripts/pre_image_script.sh
+
+# Post-image building script. Hook called after image file creation and move
+# into destination directory.
+# Variables exported:
+# IMAGE_PATH = path pointing to the destination image file
+# IMAGE_CHECKSUM_PATH = path pointing to the destination image file checksum (md5)
+# post_image_script: /sabayon/scripts/post_image_script.sh
+
+# Destination directory for the image path (MANDATORY)
+destination_image_directory: /sabayon/images
+
+# Specify an alternative image file name (image file name will be automatically
+# produced otherwise)
+# image_name:
+
+# Specify the image file size in Megabytes. This is mandatory.
+# To avoid runtime failure, make sure the image is large enough to fit your
+# chroot data.
+# Example: 5000 (means: ~5GB)
+# Example: 15000 (means: ~15GB)
+image_mb: 5000
+
+# Either set this to "yes" or "no" if you want your image to be filled with
+# random data instead of zeroes. urandom is used, fallback is: random.
+# Default is: no
+# image_randomize:
+
+# Specify an image filesystem formatter that takes a single argument , which is
+# the image device (by design, a loop device is passed to this executable).
+# Default is: mkfs.ext3
+# image_formatter:
+
+# Specify an image file mount command. Two arguments are passed: (1) a loop
+# device (/dev/loopN), (2) a temporary destination directory.
+# Default is: mount -o loop,rw
+# image_mounter:
+
+# Specify am image file unmount command. One arguments is passed: mount point.
+# Default is: umount
+# image_umounter:
+
+# Alternative ISO file mount command (default is: mount -o loop -t iso9660)
+# iso_mounter:
+
+# Alternative ISO umounter command (default is: umount)
+# iso_umounter:
+
+# Alternative squashfs file mount command (default is: mount -o loop -t squashfs)
+# squash_mounter:
+
+# Alternative ISO squashfs umount command (default is: umount)
+# squash_umounter:
+
+# List of packages that would be removed from chrooted system (comma separated)
+packages_to_remove:
+	app-admin/anaconda,
+	net-misc/networkmanager,
+	net-firewall/ufw,
+	sys-kernel/linux-sabayon
+
+# Custom shell call to packages removal (default is: equo remove)
+# custom_packages_remove_cmd:
+
+# List of packages that would be added from chrooted system (comma separated)
+packages_to_add:
+	app-admin/ec2-ami-tools,
+	net-misc/dhcpcd,
+	sys-kernel/linux-xen-domU,
+	sys-process/atop
+
+# Custom shell call to packages add (default is: equo install)
+# custom_packages_add_cmd:
+
+# Custom command for updating repositories (default is: equo update)
+# repositories_update_cmd:
+
+# Determine whether repositories update should be run (if packages_to_add is set)
+# (default is: no), values are: yes, no.
+# execute_repositories_update: no
+
+# Directories to remove completely (comma separated)
+# paths_to_remove:
+
+# Directories to empty (comma separated)
+# paths_to_empty:

scripts/image_error_script.sh

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+#!/bin/sh
+if [ -d "${CHROOT_DIR}/proc" ]; then
+	echo "Unmounting ${CHROOT_DIR}/proc"
+	umount "${CHROOT_DIR}/proc"
+fi
+
+CHROOT_PKGS_DIR="${CHROOT_DIR}/var/lib/entropy/client/packages"
+if [ -d "${CHROOT_PKGS_DIR}" ]; then
+	echo "Umounting bind to ${CHROOT_PKGS_DIR}"
+	umount "${CHROOT_PKGS_DIR}" || exit 1
+fi
+
+echo "trying to umount ${CHROOT_DIR}"
+umount "${CHROOT_DIR}"
+
+#if [ -n "${LOOP_DEVICE}" ]; then
+#	echo "trying to umount loop device ${LOOP_DEVICE}"
+#	/sbin/losetup -d "${LOOP_DEVICE}"
+#fi

scripts/image_generic_inner_chroot_script_after.sh

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+#!/bin/sh
+
+echo
+echo "Configuring AMI chroot"
+echo
+
+/usr/sbin/env-update && source /etc/profile
+
+# setup networking, make sure networkmanager is gone
+rc-update del networkmanager default &> /dev/null
+# add eth0, should get dhcp by default already
+rc-update add net.eth0 default
+
+# drop ufw
+rc-update del ufw default
+
+# drop other useless services
+
+rc-update del sabayonlive boot
+rc-update del x-setup boot
+
+# Enable ssh
+rc-update add sshd default
+
+# setup default root password
+echo "root:sabayonamichangeme" | chpasswd
+
+# setup UTC clock
+sed -i 's:clock=".*":clock="UTC":' /etc/conf.d/hwclock || exit 1
+
+# setup fstab
+# TODO: really needed?
+echo "# molecule generated fstab
+/dev/sda1 / ext3 defaults 1 1
+/dev/sdb /mnt ext3 defaults 0 0
+none /dev/shm tmpfs defaults 0 0" > /etc/fstab
+
+echo -5 | equo conf update
+mount -t proc proc /proc
+
+export ETP_NONINTERACTIVE=1
+
+# need to install grub-1
+equo install sys-boot/grub:0 || exit 1
+# remove grub-2
+equo remove sys-boot/grub:2 --nodeps --force-system || exit 1
+
+# configure grub-1 config
+kernel_bin=$(ls /boot/kernel-genkernel-* | sort | tail -n 1)
+# we need a bzImage
+#initrd_bin=$(ls /boot/initramfs-genkernel-* | sort | tail -n 1)
+rm -f /boot/grub/grub.cfg
+echo "default 0
+timeout 3
+title EC2
+root (hd0)
+kernel ${kernel_bin} root=/dev/sda1
+" > /boot/grub/grub.conf
+# initrd ${initrd_bin}
+
+
+# Generate list of installed packages
+equo query list installed -qv > /etc/sabayon-pkglist
+
+/lib/rc/bin/rc-depend -u
+
+echo "Vacuum cleaning client db"
+rm /var/lib/entropy/client/database/*/sabayonlinux.org -rf
+rm /var/lib/entropy/client/database/*/sabayon-weekly -rf
+equo rescue vacuum
+
+# restore original repositories.conf (all mirrors were filtered for speed)
+cp /etc/entropy/repositories.conf.example /etc/entropy/repositories.conf || exit 1
+
+# cleanup log dir
+rm /var/lib/entropy/logs -rf
+
+# Generate openrc cache
+touch /lib/rc/init.d/softlevel
+/etc/init.d/savecache start
+/etc/init.d/savecache zap
+
+ldconfig
+ldconfig
+umount /proc
+
+
+# remove hw hash
+rm -f /etc/entropy/.hw.hash