Support of new OSM NB API following SOL005

[osm/osmclient.git] / osmclient / sol005 / vnfd.py

diff --git a/osmclient/sol005/vnfd.py b/osmclient/sol005/vnfd.py
new file mode 100644 (file)
index 0000000..bc77a8d
--- /dev/null
+++ b/osmclient/sol005/vnfd.py
@@ -0,0 +1,145 @@
+# 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)
+