+# Copyright 2018 Telefonica
+#
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+"""
+OSM vnfd API handling
+"""
+
+from osmclient.common.exceptions import NotFound
+from osmclient.common.exceptions import ClientException
+from osmclient.common import utils
+import yaml
+import magic
+#from os import stat
+#from os.path import basename
+
+class Vnfd(object):
+
+ def __init__(self, http=None, client=None):
+ self._http = http
+ self._client = client
+ self._apiName = '/vnfpkgm'
+ self._apiVersion = '/v1'
+ self._apiResource = '/vnf_packages'
+ self._apiBase = '{}{}{}'.format(self._apiName,
+ self._apiVersion, self._apiResource)
+ #self._apiBase='/vnfds'
+
+ def list(self, filter=None):
+ filter_string = ''
+ if filter:
+ filter_string = '?{}'.format(filter)
+ resp = self._http.get_cmd('{}{}'.format(self._apiBase,filter_string))
+ if resp:
+ return resp
+ return list()
+
+ def get(self, name):
+ if utils.validate_uuid4(name):
+ for vnfd in self.list():
+ if name == vnfd['_id']:
+ return vnfd
+ else:
+ for vnfd in self.list():
+ if 'name' in vnfd and name == vnfd['name']:
+ return vnfd
+ raise NotFound("vnfd {} not found".format(name))
+
+ def get_individual(self, name):
+ vnfd = self.get(name)
+ # It is redundant, since the previous one already gets the whole vnfpkginfo
+ # The only difference is that a different primitive is exercised
+ resp = self._http.get_cmd('{}/{}'.format(self._apiBase, vnfd['_id']))
+ #print yaml.safe_dump(resp)
+ if resp:
+ return resp
+ raise NotFound("vnfd {} not found".format(name))
+
+ def get_thing(self, name, thing, filename):
+ vnfd = self.get(name)
+ headers = self._client._headers
+ headers['Accept'] = 'application/binary'
+ resp2 = self._http.get2_cmd('{}/{}/{}'.format(self._apiBase, vnfd['_id'], thing))
+ #print yaml.safe_dump(resp2)
+ if resp2:
+ #store in a file
+ return resp2
+ raise NotFound("vnfd {} not found".format(name))
+
+ def get_descriptor(self, name, filename):
+ self.get_thing(name, 'vnfd', filename)
+
+ def get_package(self, name, filename):
+ self.get_thing(name, 'package_content', filename)
+
+ def get_artifact(self, name, artifact, filename):
+ self.get_thing(name, 'artifacts/{}'.format(artifact), filename)
+
+ def delete(self, name):
+ vnfd = self.get(name)
+ resp = self._http.delete_cmd('{}/{}'.format(self._apiBase,vnfd['_id']))
+ #print 'RESP: '.format(resp)
+ if resp is None:
+ print 'Deleted'
+ else:
+ raise ClientException("failed to delete vnfd {}: {}".format(name, resp))
+
+ def create(self, filename, overwrite=None, update_endpoint=None):
+ mime_type = magic.from_file(filename, mime=True)
+ if mime_type is None:
+ raise ClientException(
+ "failed to guess MIME type for file '{}'".format(filename))
+ headers= self._client._headers
+ if mime_type in ['application/yaml', 'text/plain']:
+ headers['Content-Type'] = 'application/yaml'
+ elif mime_type == 'application/gzip':
+ headers['Content-Type'] = 'application/gzip'
+ #headers['Content-Type'] = 'application/binary'
+ # Next three lines are to be removed in next version
+ #headers['Content-Filename'] = basename(filename)
+ #file_size = stat(filename).st_size
+ #headers['Content-Range'] = 'bytes 0-{}/{}'.format(file_size - 1, file_size)
+ else:
+ raise ClientException(
+ "Unexpected MIME type for file {}: MIME type {}".format(
+ filename, mime_type)
+ )
+ headers["Content-File-MD5"] = utils.md5(filename)
+ http_header = ['{}: {}'.format(key,val)
+ for (key,val) in headers.items()]
+ self._http.set_http_header(http_header)
+ if update_endpoint:
+ resp = self._http.put_cmd(endpoint=update_endpoint, filename=filename)
+ else:
+ ow_string = ''
+ if overwrite:
+ ow_string = '?{}'.format(overwrite)
+ self._apiResource = '/vnf_packages_content'
+ self._apiBase = '{}{}{}'.format(self._apiName,
+ self._apiVersion, self._apiResource)
+ endpoint = '{}{}'.format(self._apiBase,ow_string)
+ resp = self._http.post_cmd(endpoint=endpoint, filename=filename)
+ #print resp
+ if not resp or 'id' not in resp:
+ raise ClientException("failed to upload package")
+ else:
+ print resp['id']
+
+ def update(self, name, filename):
+ vnfd = self.get(name)
+ endpoint = '{}/{}/vnfd_content'.format(self._apiBase, vnfd['_id'])
+ self.create(filename=filename, update_endpoint=endpoint)
+