libcloud based scripts

delete-container

#!/usr/bin/env python2
#
# Warning: this script will delete the given container, including its contents
#

from argparse import ArgumentParser
from os import environ
from sys import exit

from libcloud.storage.types import Provider, ContainerDoesNotExistError
from libcloud.storage.providers import get_driver

parser = ArgumentParser()
parser.add_argument("container")
args = parser.parse_args()

try:
    RACKSPACE_USER = environ['RACKSPACE_USER']
    RACKSPACE_KEY = environ['RACKSPACE_KEY']
except KeyError:
    print("Please set the environment variables RACKSPACE_USER and "
          "RACKSPACE_KEY")
    exit(1)

driver = get_driver(Provider.CLOUDFILES_UK)(RACKSPACE_USER, RACKSPACE_KEY)

try:
    container = driver.get_container(args.container)
except ContainerDoesNotExistError:
    print('container ' + args.container + ' not found')
    exit(1)

# TODO: Check whether container is empty, and only delete the objects when
# command-line argument -f / --force is given.

for obj in container.list_objects():
    print("deleting object " + obj.name)
    obj.delete()

print("deleting container " + container.name)
container.delete()

empty-container

#!/usr/bin/env python2
#
# Warning: this script will delete all objects from the given container
#

from argparse import ArgumentParser
from os import environ
from sys import exit

from libcloud.storage.types import Provider, ContainerDoesNotExistError
from libcloud.storage.providers import get_driver

parser = ArgumentParser()
parser.add_argument("container")
args = parser.parse_args()

try:
    RACKSPACE_USER = environ['RACKSPACE_USER']
    RACKSPACE_KEY = environ['RACKSPACE_KEY']
except KeyError:
    print("Please set the environment variables RACKSPACE_USER and "
          "RACKSPACE_KEY")
    exit(1)

driver = get_driver(Provider.CLOUDFILES_UK)(RACKSPACE_USER, RACKSPACE_KEY)

try:
    container = driver.get_container(args.container)
except ContainerDoesNotExistError:
    print('container ' + args.container + ' not found')
    exit(1)

# TODO: Check whether container is empty, and only delete the objects when
# command-line argument -f / --force is given.

for obj in container.list_objects():
    print("deleting object " + obj.name)
    obj.delete()

list-objects

#!/usr/bin/env python2
#
# This script lists the objects in a container along with their content type.
#

from argparse import ArgumentParser
from os import environ
from sys import exit

from libcloud.storage.types import Provider, ContainerDoesNotExistError
from libcloud.storage.providers import get_driver

parser = ArgumentParser()
parser.add_argument("container")
args = parser.parse_args()

try:
    RACKSPACE_USER = environ['RACKSPACE_USER']
    RACKSPACE_KEY = environ['RACKSPACE_KEY']
except KeyError:
    print("Please set the environment variables RACKSPACE_USER and "
          "RACKSPACE_KEY")
    exit(1)

driver = get_driver(Provider.CLOUDFILES_UK)(RACKSPACE_USER, RACKSPACE_KEY)

try:
    container = driver.get_container(args.container)
except ContainerDoesNotExistError:
    print('container ' + args.container + ' not found')
    exit(1)

for obj in container.list_objects():
    print(obj.name + ' (' + str(obj.extra['content_type'] + ')'))

publish-to-container

#!/usr/bin/env python2
#
# Uploads the given files to the given container.
#

import os

from argparse import ArgumentParser
from sys import exit

from libcloud.storage.types import Provider, ContainerDoesNotExistError
from libcloud.storage.providers import get_driver

parser = ArgumentParser()
parser.add_argument("container", metavar='CONTAINER', help='container to upload to')
parser.add_argument("files", metavar='FILE', nargs='+', help='file to upload')
args = parser.parse_args()

try:
    RACKSPACE_USER = os.environ['RACKSPACE_USER']
    RACKSPACE_KEY = os.environ['RACKSPACE_KEY']
except KeyError:
    print("Please set the environment variables RACKSPACE_USER and "
          "RACKSPACE_KEY")
    exit(1)

driver = get_driver(Provider.CLOUDFILES_UK)(RACKSPACE_USER, RACKSPACE_KEY)

try:
    container = driver.get_container(args.container)
except ContainerDoesNotExistError:
    # TODO: May be nice to create the container with --create parameter
    print('container ' + args.container + ' not found')
    exit(1)

# Explicitly specify some content types that libcloud is not detecting
def content_type(file):
    if file.endswith('.tmx') or file.endswith('.tsx'):
        return 'application/xml'
    if file.endswith('.png'):
        return 'image/png'
    if file.endswith('.ogg'):
        return 'audio/ogg'
    return None

for file in args.files:
    print("uploading " + file)
    extra = { 'content_type': content_type(file) }
    container.upload_object(file_path=file, object_name=file, extra=extra)