initial version
Signed-off-by: lloretgalleg <illoret@indra.es>
diff --git a/osm_ee/frontend_client.py b/osm_ee/frontend_client.py
new file mode 100644
index 0000000..0c34580
--- /dev/null
+++ b/osm_ee/frontend_client.py
@@ -0,0 +1,85 @@
+##
+# Copyright 2019 Telefonica Investigacion y Desarrollo, S.A.U.
+# This file is part of OSM
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+
+import sys
+import yaml
+import asyncio
+import uuid
+import traceback
+import os
+import socket
+
+from grpclib.client import Channel
+
+from osm_ee.frontend_pb2 import PrimitiveRequest, PrimitiveReply
+from osm_ee.frontend_pb2 import SshKeyRequest, SshKeyReply
+from osm_ee.frontend_grpc import FrontendExecutorStub
+
+
+async def frontend_client(host_name, port, primitive_name, params):
+
+ ip_addr = socket.gethostbyname(host_name)
+ channel = Channel(ip_addr, port)
+ try:
+ stub = FrontendExecutorStub(channel)
+
+ if (primitive_name == "get_ssh_key"):
+ print("Get ssh key")
+ reply: SshKeyReply = await stub.GetSshKey(SshKeyRequest())
+ print(reply.message)
+ else:
+ async with stub.RunPrimitive.open() as stream:
+ primitive_id = str(uuid.uuid1())
+ print("Execute primitive {}, params: {}".format(primitive_name, params))
+ await stream.send_message(
+ PrimitiveRequest(id=primitive_id, name=primitive_name, params=yaml.dump(params)), end=True)
+ async for reply in stream:
+ print(reply)
+ #replies = [reply async for reply in stream]
+ #print(replies)
+ except Exception as e:
+ print("Error executing primitive {}: {}".format(primitive_name, str(e)))
+ #print(traceback.format_exc())
+ finally:
+ channel.close()
+
+
+if __name__ == '__main__':
+
+ args = sys.argv[1:]
+ if (len(args) < 1):
+ print("Usage: host port primitive_name params")
+ else:
+ host_name = args[0]
+ port = args[1]
+ primitive_name = args[2]
+ arg_params = args[3] if len(args) >= 4 else ""
+ print(primitive_name)
+ print(arg_params)
+ params = yaml.safe_load(arg_params)
+
+ loop = asyncio.get_event_loop()
+ try:
+ task = asyncio.ensure_future(frontend_client(host_name, port, primitive_name, params))
+ loop.run_until_complete(task)
+ finally:
+ loop.close()