from kamaki.clients.astakos import AstakosClient
from kamaki.clients.pithos import PithosClient
AUTHENTICATION_URL = "https://astakos.example.com/identity/v2.0"
TOKEN = "User-Token"
astakos = AstakosClient(AUTHENTICATION_URL, TOKEN)
service_type = PithosClient.service_type
endpoint = astakos.get_endpoint_url(service_type)
pithos = PithosClient(endpoint, TOKEN)
user = astakos.authenticate()
uuid = user["access"]["user"]["id"]
pithos.account = uuid
# Get the project containers we care for
containers = filter(
lambda c: c["name"] in ("pithos", "images"),
pithos.list_containers())
# Construct dict of the form {CONTAINER_NAME: PROJECT_ID, ...}
projects = dict([(
c["name"],
c["x_container_policy"]["project"]) for c in containers])
# Check projects and reassign if needed
if projects["pithos"] != projects["images"]:
pithos.container = "images"
pithos.reassign_container(projects["pithos"])
# initliaze astakos client
AUTHENTICATION_URL = "https://astakos.example.com/identity/v2.0"
TOKEN = "User-Token"
astakos = AstakosClient(AUTHENTICATION_URL, TOKEN)
# Initliaze pithos
service_type = PithosClient.service_type
endpoint = astakos.get_endpoint_url(service_type)
pithos = PithosClient(endpoint, TOKEN)
# Set user UUID and Container (optional)
user = astakos.authenticate()
uuid = user["access"]["user"]["id"]
pithos.account = uuid
containers = pithos.list_containers()
for container in containers:
pithos.container = container["name"]
project = container["x_container_policy"]["project"]
print "Listing contents of {container} (project: {project})".format(
container=pithos.container, project=project)
for object_ in pithos.list_objects():
name = object_["name"]
size = object_["bytes"]
type_ = object_["content_type"]
print "\t{name} \t{type_} \t{size} bytes".format(
name=name, size=size, type_=type_)
uuid = user["access"]["user"]["id"]
service_type = PithosClient.service_type
endpoint = astakos.get_endpoint_url(service_type)
pithos = PithosClient(endpoint, TOKEN)
pithos.account = uuid
service_type = ImageClient.service_type
endpoint = astakos.get_endpoint_url(service_type)
image = ImageClient(endpoint, TOKEN)
# Find the image by id
image_id = "my-image-id"
my_image = image.get_meta(image_id)
# Check if it is my image
if my_image["owner"] == uuid:
image.unregister(image_id)
# Delete the image files
pithos.container = "images"
separator = "{uuid}/{container}/".format(uuid=uuid,
container=pithos.container)
_, location = my_image["location"].split(separator)
meta_object = "{0}.meta".format(location)
pithos.del_object(location)
pithos.del_object(meta_object)
else:
print "This image wasn't registered by me"
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # # The views and conclusions contained in the software and # documentation are those of the authors and should not be # interpreted as representing official policies, either expressed # or implied, of GRNET S.A. from kamaki.clients.astakos import AstakosClient from kamaki.clients.pithos import PithosClient # Initliaze astakos client AUTHENTICATION_URL = "https://astakos.example.com/identity/v2.0" TOKEN = "User-Token" astakos = AstakosClient(AUTHENTICATION_URL, TOKEN) # Initliaze pithos service_type = PithosClient.service_type endpoint = astakos.get_endpoint_url(service_type) pithos = PithosClient(endpoint, TOKEN) # Set user UUID and Container (optional) user = astakos.authenticate() uuid = user["access"]["user"]["id"] pithos.account = uuid pithos.container = "pithos"
def main():
#authenticate to Astakos
print"---------------------------------------------------"
print"******* Authenticating to Astakos******************"
print"---------------------------------------------------"
try:
my_astakos_client = AstakosClient(AUTHENTICATION_URL,
TOKEN)
my_accountData = my_astakos_client.authenticate()
ACCOUNT_UUID = my_accountData['access']['user']['id']
print "Status: Authenticated"
except ClientError:
print"Failed to authenticate user token"
print"\n"
print"---------------------------------------------------"
print"**********Getting Endpoints for pithos*************"
print"---------------------------------------------------"
#get endpoint url
try:
endpoints = my_astakos_client.get_service_endpoints('object-store')
PITHOS_URL = endpoints['publicURL']
print "The public URL:", PITHOS_URL
except ClientError:
print "Failed to get endpoints for pithos"
print"\n"
print"---------------------------------------------------"
print"**********Authenticating to Pithos*****************"
print"---------------------------------------------------"
#Initialize pithos client
try:
pithos = PithosClient(PITHOS_URL, TOKEN)
pithos.account = ACCOUNT_UUID
pithos.container = ''
except ClientError:
print "Failed to initialize Pithos+ client"
print"\n"
print"---------------------------------------------------"
print"**********LIST ALL CONTAINERS IN YOUR ACCOUNT******"
print"---------------------------------------------------"
#list all containers
try:
container_list = pithos.list_containers()
containers = parse_containers(container_list)
ContNums = len(containers)
print "The number of Containers in your account:", ContNums
print "The containers are"
print ','.join(containers)
except ClientError:
print"Error in container list"
print"\n"
print"---------------------------------------------------"
print"******LIST OBJECTS OF A FOLDER IN A CONTAINER******"
print"---------------------------------------------------"
#list all containers
try:
print_container_objects(pithos, YOUR_CONTAINER,
prefixName=YOUR_FOLDER_PATH)
except ClientError:
print"Error in listing folder objects"
print"\n"
print"---------------------------------------------------"
print"**********Print objects for all containers*********"
print"---------------------------------------------------"
try:
for i in range(len(containers)):
print_container_objects(pithos, containers[i])
except ClientError as e:
print('Error: %s' % e)
if e.status:
print('- error code: %s' % e.status)
if e.details:
for detail in e.details:
print('- %s' % detail)
# Create and set a different container than pithos
print "Create a new container - my container"
CONTAINER = 'my container'
pithos.create_container(CONTAINER)
pithos.container = CONTAINER
print"\n"
print"---------------------------------------------------"
print"**********UPLOAD AND DOWNLOAD**********************"
print"---------------------------------------------------"
"""
B. UPLOAD AND DOWNLOAD
"""
print "Upload a small file to pithos"
# Upload a small file
print './test/'+SMALLFILE
with open('./test/'+SMALLFILE) as f:
pithos.upload_object(SMALLFILE, f)
print "Download a small file from pithos and store to string"
print SMALLFILE
FILETOSTRING = pithos.download_to_string(SMALLFILE,
download_cb=
create_pb('Downloading...'))
print "Small file string:", FILETOSTRING
#To optimize for large files, allow pithos client
# to use multiple threads! pithos client will
# auto-adjust the number of threads, up to a limit
pithos.MAX_THREADS = 5
print "Upload a large file to pithos"
# Now, large file upload will be optimized:
# dd if=/dev/zero of=test/large.txt count=8 bs=1073741824
with open('./test/'+BIGFILE) as f:
pithos.upload_object(BIGFILE, f,
hash_cb=create_pb('Calculating hashes...'),
upload_cb=create_pb('Uploading...'))
print "Create my own metadata for object"
tags = {}
tags['mytag'] = 12
pithos.set_object_meta(BIGFILE, tags)
myOwnMetadataObject = pithos.get_object_meta(BIGFILE)
print "Object Metatadata", myOwnMetadataObject
print "Download a large file from pithos"
# Download a file (btw, MAX_THREADS are still 5)
with open('./test/'+TMPFILE, 'wb+') as f:
pithos.download_object(BIGFILE, f,
download_cb=create_pb('Downloading...'))
# HIGHLIGHTS: If parts of the file are already uploaded or downloaded,
# corresponding methods will transfer only the missing parts!
print"\n"
print"---------------------------------------------------"
print"**********CREATE A NEW CONTAINER AND MOVE OBJECT***"
print"---------------------------------------------------"
""" Create a new container and move object"""
print "Create a new container - containerToCopy"
CONTAINERNEW = 'containertocopy'
pithos.create_container(CONTAINERNEW)
pithos.move_object(CONTAINER, SMALLFILE, CONTAINERNEW, SMALLFILE)
print"\n"
print"---------------------------------------------------"
print"**********DELETE AND RECOVER***********************"
print"---------------------------------------------------"
"""
C. DELETE AND RECOVER
"""
# Delete a file
pithos.container = CONTAINER
pithos.delete_object(BIGFILE)
# Recover file
file_versions = pithos.get_object_versionlist(BIGFILE)
print "The file versions"
for data in file_versions:
print "The value of id=", data[0], "date=", data[1]
first_version = file_versions[0]
v_id, v_date = first_version
pithos.copy_object(CONTAINER, BIGFILE,
CONTAINER, BIGFILE,
source_version=v_id)
print"\n"
print"---------------------------------------------------"
print"**********GET FILE DETAILS************************"
print"---------------------------------------------------"
objectDetails = pithos.get_object_info(BIGFILE)
for obj in objectDetails:
print "The value of", obj, "=", objectDetails.get(obj)
print"\n"
print"---------------------------------------------------"
print"**********SHARING AND PUBLISHING*******************"
print"---------------------------------------------------"
"""
D. SHARING AND PUBLISHING
"""
# Read permission to all pithos users
pithos.set_object_sharing(FILETOPUBLISH, read_permission='*')
# Publish and get public URL
pithos.publish_object(FILETOPUBLISH)
print "Get sharing and public information"
# Get sharing and public information
info = pithos.get_object_info(FILETOPUBLISH)
for data in info:
print "The value of", data, "=", info.get(data)
sharing = info.get('x-object-sharing', {})
print sharing
public = info.get('x-object-public', None)
print "The public URL=", public
print "Remove sharing and publishing"
# Remove sharing and publishing
pithos.del_object_sharing(FILETOPUBLISH)
pithos.unpublish_object(FILETOPUBLISH)
print "Get sharing and public information"
# Get sharing and public information
info = pithos.get_object_info(FILETOPUBLISH)
sharing = info.get('x-object-sharing', {})
public = info.get('x-object-public', None)
print "The public URL=", public
