First steps of the Gentoo build script

scripts/build.sh

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+#!/bin/sh
+
+# - builds a generic image from a stage3 tarball and portage snapshot
+# - creates and uploads AMI 
+# 
+# based on work from JD Harrington https://github.com/psi/gentoo-aws
+# and Matsuu Takuto https://gist.github.com/870789
+
+#===============================================================================
+GENTOO_MIRROR="http://gentoo.arcticnetwork.ca"
+
+set -x
+
+die() {
+  echo $@
+  exit 1
+}
+
+# bootstrap ROOT_FS PROFILE ARCH
+bootstrap() {
+    local ROOT_FS=$1
+    local PROFILE=$2
+    local ARCH=$3
+
+    local STAGE_PATH
+    local STAGE_ARCH
+    local LATEST_STAGE_FILE
+    local ESELECT_PROFILE
+
+    if [ "${ARCH}" = "i686" ] ; then
+        STAGE_ARCH=${ARCH}
+        # Why do they use x86 here ? :(
+        STAGE_PATH="${GENTOO_MIRROR}/releases/x86/autobuilds"
+    elif [ "${ARCH}" = "x86_64" ] ; then
+        STAGE_ARCH="amd64"
+        STAGE_PATH="${GENTOO_MIRROR}/releases/${STAGE_ARCH}/autobuilds"
+    else
+        die "Unknown architecture!"
+    fi
+
+    if [ "${PROFILE}" = "hardened" ] ; then
+        LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${STAGE_ARCH}-hardened.txt"
+        ESELECT_PROFILE="hardened/linux/${ARCH}"
+    elif [ "${PROFILE}" = "hardened-no-multilib" ] ; then
+        LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${STAGE_ARCH}-hardened+nomultilib.txt"
+        ESELECT_PROFILE="hardened/linux/${ARCH}/no-multilib"
+    elif [ "${PROFILE}" = "server" ] ; then
+        LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${STAGE_ARCH}.txt"
+        ESELECT_PROFILE="default/linux/${ARCH}/10.0/no-multilib"
+    else
+        die "Unknown profile!"
+    fi
+
+    STAGE_TARBALL=${GENTOO_MIRROR}/releases/${STAGE_ARCH}/autobuilds/$(curl -s ${LATEST_STAGE_FILE} | grep -v "^#" | head -n 1) 
+    PORTAGE_SNAPSHOT="${GENTOO_MIRROR}/snapshots/portage-latest.tar.bz2"
+}
+
+
+usage() {
+cat << EOF
+Usage: $0 [options]
+
+This script builds a generic gentoo stage3 image
+
+OPTIONS:
+-h Show this message
+-a arch, either i686 or x86_64, defaults to uname -m
+-p profile, either hardened or hardened-no-multilib or server(default)
+-t The timezone to use, default to GMT
+-v Verbose
+EOF
+}
+
+while getopts ":a:p:t:vh" OPTIONS; do
+    case $OPTIONS in
+        a ) ARCH=$OPTARG;;
+        p ) PROFILE=$OPTARG;;
+        t ) TIMEZONE=$OPTARG;;
+        v ) VERBOSE=1;;
+        ? )
+            usage
+            exit
+            ;;
+    esac
+done
+
+ARCH=${ARCH-"$(uname -m)"}
+PROFILE=${PROFILE="server"}
+TIMEZONE=${TIMEZONE-"GMT"}
+
+bootstrap /mnt/gentoo ${PROFILE} ${ARCH}

scripts/urls.txt

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+https://github.com/psi/gentoo-aws/blob/93d3bf2498c572832778a853b9307e47ef7f5b5b/scripts/build-stage3-image.sh
+https://raw.github.com/gist/870789/bf45e6c5b370445fc3c19111af0dd5eec4097480/create_gentoo_ami.sh
+http://www.agaffney.org/quickstart.php
+http://dev.gentoo.org/~swift/docs/gensetup-guide.xml
+http://rich0gentoo.wordpress.com/2010/04/02/gentoo-on-ec2-from-scratch/
+
+http://gentoo.arcticnetwork.ca/releases/amd64/autobuilds/
+