def on_product_acquisition(self, asset, contract, order):
# Extract related information from the asset
#parsed_url = urlparse(asset.download_link)
try:
keystone_client = KeystoneClient(KEYSTONE_USER, KEYSTONE_PWD,
ADMIN_DOMAIN, KEYSTONE_PROTOCOL,
KEYSTONE_HOST, KEYSTONE_PORT)
# Check the customer user
customer_id = order.owner_organization.name #self._get_user_id(keystone_client, asset.meta_info['domain_id'], order.owner_organization.name)
role_id = keystone_client.get_role_by_name(
asset.meta_info['application_id'], asset.meta_info['role'])
if role_id:
# Give the user the new role
keystone_client.grant_role(asset.meta_info['application_id'],
customer_id, role_id)
else:
raise PluginError(
'It has not been possible to use this role: ' +
asset.meta_info['role'] + ' with Keystone')
except HTTPError as e:
if e.response.status_code == 409:
raise ConflictError('You already own the offered role')
else:
raise PluginError(
'It has not been possible to connect with Keystone')
def _validate_product(self, provider, asset_t, media_type, url):
asset_type, assets = self._get_asset_resouces(asset_t, url)
if len(assets):
# The asset is already registered
asset = assets[0]
if asset.product_id is not None:
raise ConflictError(
'There is already an existing product specification defined for the given digital asset'
)
self._validate_product_characteristics(asset, provider, asset_t,
media_type)
asset.has_terms = self._has_terms
asset.save()
else:
# The asset is not yet included, this option is only valid for URL assets without metadata
site = settings.SITE
if 'FILE' in asset_type.formats and (
('URL' not in asset_type.formats) or
('URL' in asset_type.formats and url.startswith(site))):
raise ProductError(
'The URL specified in the location characteristic does not point to a valid digital asset'
)
if asset_type.form:
raise ProductError(
'Automatic creation of digital assets with expected metadata is not supported'
)
# Validate media type
if len(asset_type.media_types) and media_type.lower() not in [
media.lower() for media in asset_type.media_types
]:
raise ProductError(
'The media type characteristic included in the product specification is not valid for the given asset type'
)
# Create the new asset model
asset = Resource.objects.create(has_terms=self._has_terms,
resource_path='',
download_link=url,
provider=provider,
content_type=media_type)
# The asset model is included to the rollback list so if an exception is raised in the plugin post validation
# the asset model would be deleted
self.rollback_logger['models'].append(asset)
return asset
def _check_url_conflict(self, data, current_organization):
# Check that the download link is not already being used
existing_assets = Resource.objects.filter(download_link=data['content'], provider=current_organization)
is_conflict = False
for asset in existing_assets:
if asset.product_id is not None:
is_conflict = True
else:
asset.delete()
if is_conflict:
raise ConflictError('The provided digital asset already exists')
def on_product_acquisition(self, asset, contract, order):
# Extract related information from the asset
#parsed_url = urlparse(asset.download_link)
try:
keystone_client = KeystoneClient(KEYSTONE_USER, KEYSTONE_PWD, ADMIN_DOMAIN, 'http', 'idm.docker')
# Check the customer user
customer_id = self._get_user_id(keystone_client, asset.meta_info['domain_id'], 'mario')
role_id = keystone_client.get_role_id_by_name(asset.meta_info['application_id'], asset.meta_info['role'])
if role_id:
# Give the user the new role
keystone_client.grant_role(asset.meta_info['application_id'], customer_id, role_id)
else:
raise PluginError('It has not been possible to use this role: ' + asset.meta_info['role'] + ' with Keystone')
except HTTPError as e:
if e.response.status_code == 409:
raise ConflictError('You already own the offered role')
else:
raise PluginError('It has not been possible to connect with Keystone')
# # If the model is usage, send usage notification
# if 'pay_per_use' in contract.pricing_model:
# self._notify_accounting(asset, order, contract, 'add')
#def on_product_suspension(self, asset, contract, order):
# parsed_url = urlparse(asset.download_link)
# try:
# keystone_client = KeystoneClient(KEYSTONE_USER, KEYSTONE_PWD, ADMIN_DOMAIN, parsed_url.scheme, parsed_url.hostname)
# # Check the customer user
# customer_id = self._get_user_id(keystone_client, asset.meta_info['domain_id'], order.owner_organization.name)
# # Remove the role from the user
# keystone_client.revoke_role(asset.meta_info['project_id'], customer_id, asset.meta_info['role_id'])
# except HTTPError:
# raise PluginError('It has not been possible to connect with Keystone')
# # If the model is usage, send usage notification
# if 'pay_per_use' in contract.pricing_model:
# self._notify_accounting(asset, order, contract, 'remove')
def _save_resource_file(self, provider, file_):
# Load file contents
if isinstance(file_, dict):
file_name = file_['name']
content = base64.b64decode(file_['data'])
else:
file_name = file_.name
file_.seek(0)
content = file_.read()
# Check file name
if not is_valid_file(file_name):
raise ValueError('Invalid file name format: Unsupported character')
# Create provider dir for assets if it does not exists
provider_dir = os.path.join(settings.MEDIA_ROOT, 'assets', provider)
if not os.path.isdir(provider_dir):
os.mkdir(provider_dir)
file_path = os.path.join(provider_dir, file_name)
resource_path = file_path[file_path.index(settings.MEDIA_DIR):]
if resource_path.startswith('/'):
resource_path = resource_path[1:]
# Check if the file already exists
if os.path.exists(file_path):
res = Resource.objects.get(resource_path=resource_path)
if res.product_id is not None:
# If the resource has product_id field, it means that a product
# spec has been created, so it cannot be overridden
raise ConflictError('The provided digital asset file (' +
file_name + ') already exists')
res.delete()
# Create file
with open(file_path, "wb") as f:
f.write(content)
self.rollback_logger['files'].append(file_path)
site = settings.SITE
return resource_path, url_fix(
urljoin(site, '/charging/' + resource_path))
def register_on_market(user, name, host, api_version, credentials, site):
if host[-1] != '/':
host += '/'
# Check if the marketplace already exists
if len(
Marketplace.objects.filter(name=name)
| Marketplace.objects.filter(host=host)) > 0:
raise ConflictError('Marketplace already registered')
store_name = settings.STORE_NAME
username = None
passwd = None
if credentials:
username = credentials['username']
passwd = credentials['passwd']
cred = MarketCredentials(username=username, passwd=passwd)
marketplace = Marketplace(name=name,
host=host,
api_version=api_version,
credentials=cred)
marketadaptor = marketadaptor_factory(marketplace, user)
store_info = {
'store_name': store_name,
'store_uri': site,
}
store_id = marketadaptor.add_store(store_info)
try:
marketplace.store_id = store_id
marketplace.save()
except Exception as e:
# If the marketplace model creation fails it is necesary to unregister the store
# in order to avoid an inconsistent state
marketadaptor.delete_store()
raise e
def _validate_resource_info(provider, data, file_=None):
# Check if the resource already exists
existing = True
current_organization = provider.userprofile.current_organization
try:
Resource.objects.get(name=data['name'], provider=current_organization)
except:
existing = False
if existing:
raise ConflictError(
'The resource ' + data['name'] +
' already exists. Please upgrade the resource if you want to provide new content'
)
# Check contents
if 'name' not in data or 'version' not in data or\
'description' not in data or 'content_type' not in data or\
'resource_type' not in data:
raise ValueError('Invalid request: Missing required field')
# Create version object to validate resource version format
Version(data['version'])
# Check name format
if not is_valid_id(data['name']):
raise ValueError('Invalid name format')
return ({
'name': data['name'],
'version': data['version'],
'description': data['description'],
'content_type': data['content_type'],
'resource_type': data['resource_type'],
'open': data.get('open', False)
}, current_organization)
def _prod_val_conflict(self):
self.validator_instance.validate.side_effect = ConflictError('Conflict')
def side(ref):
method.side_effect = ConflictError('Resource exists')
def _existing(self):
views.register_resource.side_effect = ConflictError('Resource exists')
def _existing(self):
self.am_instance.upload_asset.side_effect = ConflictError(
'Resource exists')
def _existing(self):
views.register_on_market.side_effect = ConflictError('Existing Marketplace')
