ec2

#!/bin/bash

# AMI details
ami_id=
name_suffix=$(date +%Y%m%d)
description=
snapshot_id=
volume_id=
volume_size='1'

# EC2 known regions
known_regions=('us-east-1')
known_regions+=('us-west-1')
known_regions+=('us-west-2')
known_regions+=('eu-west-1')
known_regions+=('ap-southeast-1')
known_regions+=('ap-southeast-2')
known_regions+=('ap-northeast-1')
known_regions+=('sa-east-1')
known_regions+=('us-gov-west-1')

# EC2 host info
instance_id=
region=
availability_zone=

# Build-time info
debootstrap_dir='/target'

# List of options for ec2 subcommand
help="build-debian-cloud ec2
This subcommand creates a Debian Squeeze Amazon Machine Image.

Options (defaults in ${txtbld}bold${txtdef}):

${txtund}Bootstrapping${txtdef}
    --arch ARCH [i386|amd64]      Processor architecture of the image (${txtbld}${arch}${txtdef})
    --codename C [squeeze|wheezy] Debian version codename to bootstrap (${txtbld}${codename}${txtdef})
    --filesystem FS [ext2..4|xfs] Filesystem of the root volume (${txtbld}${filesystem}${txtdef})
    --volume-size SIZE            Default size of the root volume in GB (${txtbld}${volume_size}${txtdef})
    --plugin FILE                 Path to plugin script.
                                  Can be specified more than once.

    --timezone ZONE               Standard timezone (${txtbld}${timezone}${txtdef})
    --locale LOCALE               Standard locale (${txtbld}${locale}${txtdef})
    --charmap CHARMAP             Standard charmap (${txtbld}${charmap}${txtdef})

    --debootstrap-dir DIR         Debootstrap directory (${txtbld}${debootstrap_dir}${txtdef})
                                  The created volume will be mounted
                                  at \$debootstrap_dir/\$volume_id.

    --name SUFFIX                 AMI name suffix (${txtbld}${name_suffix}${txtdef})
    --description DESC            Description of the AMI

${txtund}AWS${txtdef}
    --access-key ID               AWS Access Key (${txtbld}\$EC2_ACCESS_KEY${txtdef})
    --secret-key KEY              AWS Secret Key (${txtbld}\$EC2_SECRET_KEY${txtdef})

${txtund}Other options${txtdef}
    --debug                       Print debugging information
    --help                        Prints this help message
"

# Run through the parameters and save them to variables.
while [ $# -gt 0 ]; do
	case $1 in
		--arch)             arch=$2;                       shift 2 ;;
		--codename)         codename=$2;                   shift 2 ;;
		--filesystem)       filesystem=$2;                 shift 2 ;;
		--volume-size)      volume_size=$2;                shift 2 ;;
		--name)             name_suffix=$2;                shift 2 ;;
		--description)      description=$2;                shift 2 ;;
		--access-key)       EC2_ACCESS_KEY=$2;             shift 2 ;;
		--secret-key)       EC2_SECRET_KEY=$2;             shift 2 ;;
		--timezone)         timezone=$2;                   shift 2 ;;
		--locale)           locale=$2;                     shift 2 ;;
		--charmap)          charmap=$2;                    shift 2 ;;
		--debootstrap-dir)  debootstrap_dir=$2;            shift 2 ;;
		--plugin)           plugins+=("$2");               shift 2 ;;
		--debug)            set -x;                        shift   ;;
		-h|--help)          printf -- "$help";             exit 0  ;;
		*)             die "Unrecognized option: $1" \
    "Type '$0 --help' to see a list of possible options"; ;;
	esac
done


# Required and default parameters
true ${EC2_ACCESS_KEY:?} ${EC2_SECRET_KEY:?}

# Export the AWS credentials, so that we can launch ec2-tools without specifying them
export EC2_ACCESS_KEY EC2_SECRET_KEY

# Specify points in the bootstrapping process, which the plugins can latch onto.
# This way plugins don't need fixing if we rename files.
TASK_PACKAGES="01-packages"
TASK_CREATE_VOLUME="10-create-volume"
TASK_MOUNT_VOLUME="13-mount-volume"
TASK_MOUNT_SPECIALS="15-mount-specials"
TASK_BOOTSTRAP="14-bootstrap"
TASK_APT_SOURCES="21-apt-sources"
TASK_APT_UPGRADE="22-apt-upgrade"
TASK_INITSCRIPTS="51-init-scripts"
TASK_UNMOUNT_SPECIALS="71-unmount-specials"
TASK_UNMOUNT_VOLUME="72-unmount-volume"
TASK_SNAPSHOT="80-ebs-snapshot"
TASK_DELETE_VOLUME="82-delete-volume"
TASK_CREATE_AMI="95-register-ami"