+# -*- coding: utf-8 -*-
+#
# Copyright 2012 GRNET S.A. All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
+"""This modules provides the interface for working with the ./kamaki library.
+The library is used to upload images to and register them with a Synnefo
+deployment.
+"""
+
+import sys
+
from os.path import basename
from kamaki.cli.config import Config
from kamaki.clients import ClientError
from kamaki.clients.image import ImageClient
from kamaki.clients.pithos import PithosClient
-from kamaki.clients.astakos import AstakosClient
+from kamaki.clients.astakos import CachedAstakosClient as AstakosClient
+try:
+ config = Config()
+except Exception as e:
+ sys.stderr.write("Kamaki config error: %s\n" % str(e))
+ sys.exit(1)
-class Kamaki(object):
+class Kamaki(object):
+ """Wrapper class for the ./kamaki library"""
CONTAINER = "images"
@staticmethod
- def get_token():
- """Get the saved token"""
- config = Config()
- return config.get('global', 'token')
+ def get_default_cloud_name():
+ """Returns the name of the default cloud"""
+ clouds = config.keys('cloud')
+ default = config.get('global', 'default_cloud')
+ if not default:
+ return clouds[0] if len(clouds) else ""
+ return default if default in clouds else ""
@staticmethod
- def save_token(token):
- """Save this token to the configuration file"""
- config = Config()
- config.set('global', 'token', token)
+ def set_default_cloud(name):
+ """Sets a cloud account as default"""
+ config.set('global', 'default_cloud', name)
config.write()
@staticmethod
- def get_account(token):
- """Return the account corresponding to this token"""
- config = Config()
- astakos = AstakosClient(config.get('user', 'url'), token)
+ def get_clouds():
+ """Returns the list of available clouds"""
+ names = config.keys('cloud')
+
+ clouds = {}
+ for name in names:
+ clouds[name] = config.get('cloud', name)
+
+ return clouds
+
+ @staticmethod
+ def get_cloud_by_name(name):
+ """Returns a dict with cloud info"""
+ return config.get('cloud', name)
+
+ @staticmethod
+ def save_cloud(name, url, token, description=""):
+ """Save a new cloud account"""
+ cloud = {'url': url, 'token': token}
+ if len(description):
+ cloud['description'] = description
+ config.set('cloud', name, cloud)
+
+ # Make the saved cloud the default one
+ config.set('global', 'default_cloud', name)
+ config.write()
+
+ @staticmethod
+ def remove_cloud(name):
+ """Deletes an existing cloud from the Kamaki configuration file"""
+ config.remove_option('cloud', name)
+ config.write()
+
+ @staticmethod
+ def create_account(url, token):
+ """Given a valid (URL, tokens) pair this method returns an Astakos
+ client instance
+ """
+ client = AstakosClient(url, token)
try:
- account = astakos.info()
- except ClientError as e:
- if e.status == 401: # Unauthorized: invalid token
- return None
- else:
- raise
- return account
+ client.authenticate()
+ except ClientError:
+ return None
+
+ return client
+
+ @staticmethod
+ def get_account(cloud_name):
+ """Given a saved cloud name this method returns an Astakos client
+ instance
+ """
+ cloud = config.get('cloud', cloud_name)
+ assert cloud, "cloud: `%s' does not exist" % cloud_name
+ assert 'url' in cloud, "url attr is missing in %s" % cloud_name
+ assert 'token' in cloud, "token attr is missing in %s" % cloud_name
+
+ return Kamaki.create_account(cloud['url'], cloud['token'])
def __init__(self, account, output):
"""Create a Kamaki instance"""
self.account = account
self.out = output
- config = Config()
-
- pithos_url = config.get('file', 'url')
- self.pithos_client = PithosClient(
- pithos_url, self.account['auth_token'], self.account['uuid'],
+ self.pithos = PithosClient(
+ self.account.get_service_endpoints('object-store')['publicURL'],
+ self.account.token,
+ self.account.user_info()['id'],
self.CONTAINER)
- image_url = config.get('image', 'url')
- self.image_client = ImageClient(image_url, self.account['auth_token'])
+ self.image = ImageClient(
+ self.account.get_service_endpoints('image')['publicURL'],
+ self.account.token)
def upload(self, file_obj, size=None, remote_path=None, hp=None, up=None):
"""Upload a file to pithos"""
path = basename(file_obj.name) if remote_path is None else remote_path
try:
- self.pithos_client.create_container(self.CONTAINER)
+ self.pithos.create_container(self.CONTAINER)
except ClientError as e:
if e.status != 202: # Ignore container already exists errors
raise e
hash_cb = self.out.progress_generator(hp) if hp is not None else None
upload_cb = self.out.progress_generator(up) if up is not None else None
- self.pithos_client.upload_object(path, file_obj, size, hash_cb,
- upload_cb)
+ self.pithos.upload_object(path, file_obj, size, hash_cb, upload_cb)
- return "pithos://%s/%s/%s" % (self.account['uuid'], self.CONTAINER,
- path)
+ return "pithos://%s/%s/%s" % (self.account.user_info()['id'],
+ self.CONTAINER, path)
def register(self, name, location, metadata, public=False):
- """Register an image to ~okeanos"""
+ """Register an image with cyclades"""
# Convert all metadata to strings
str_metadata = {}
str_metadata[str(key)] = str(value)
is_public = 'true' if public else 'false'
params = {'is_public': is_public, 'disk_format': 'diskdump'}
- self.image_client.register(name, location, params, str_metadata)
+ return self.image.register(name, location, params, str_metadata)
def share(self, location):
"""Share this file with all the users"""
- self.pithos_client.set_object_sharing(location, "*")
+ self.pithos.set_object_sharing(location, "*")
def object_exists(self, location):
"""Check if an object exists in pythos"""
try:
- self.pithos_client.get_object_info(location)
+ self.pithos.get_object_info(location)
except ClientError as e:
if e.status == 404: # Object not found error
return False
projects / snf-image-creator / blobdiff