When I use bash starter.sh，it goes wrong.

[causimmi]

for log info like：

`root@rose-srv6:/home/rose/workspace/rose-srv6-control-plane/control_plane/contr
oller# bash starter.sh
WARNING:controller.ti_extraction:pygraphviz library is not installed
Traceback (most recent call last):
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/connection.py", line 169, in _new_conn
conn = connection.create_connection(
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/util/connection.py", line 96, in create_connection
raise err
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/util/connection.py", line 86, in create_connection
sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/connectionpool.py", line 699, in urlopen
httplib_response = self._make_request(
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/connectionpool.py", line 394, in _make_request
conn.request(method, url, **httplib_request_kw)
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/connection.py", line 234, in request
super(HTTPConnection, self).request(method, url, body=body, headers=headers)
File "/usr/lib/python3.8/http/client.py", line 1255, in request
self._send_request(method, url, body, headers, encode_chunked)
File "/usr/lib/python3.8/http/client.py", line 1301, in _send_request
self.endheaders(body, encode_chunked=encode_chunked)
File "/usr/lib/python3.8/http/client.py", line 1250, in endheaders
self._send_output(message_body, encode_chunked=encode_chunked)
File "/usr/lib/python3.8/http/client.py", line 1010, in _send_output
self.send(msg)
File "/usr/lib/python3.8/http/client.py", line 950, in send
self.connect()
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/connection.py", line 200, in connect
conn = self._new_conn()
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/connection.py", line 181, in _new_conn
raise NewConnectionError(
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7f6f0e727f40>: Failed to establish a new connection: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/requests-2.25.1-py3.8.egg/requests/adapters.py", line 439, in send
resp = conn.urlopen(
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/connectionpool.py", line 755, in urlopen
retries = retries.increment(
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/util/retry.py", line 574, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='localhost', port=8529): Max retries exceeded with url: /_db/_system/_api/database (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f6f0e727f40>: Failed to establish a new connection: [Errno 111] Connection refused'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/rose/.envs/controller-venv/bin/controller", line 11, in
load_entry_point('rose-srv6-control-plane-controller==0.0.1', 'console_scripts', 'controller')()
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/rose_srv6_control_plane_controller-0.0.1-py3.8.egg/controller/controller_cli.py", line 190, in __main
init_db('srv6')
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/rose_srv6_control_plane_controller-0.0.1-py3.8.egg/controller/init_db.py", line 52, in init_db
arangodb_driver.init_db(
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/rose_srv6_control_plane_controller-0.0.1-py3.8.egg/controller/arangodb_driver.py", line 121, in init_db
if sys_db.has_database(db_name):
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/python_arango-5.4.0-py3.8.egg/arango/database.py", line 729, in has_database
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/python_arango-5.4.0-py3.8.egg/arango/database.py", line 719, in databases
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/python_arango-5.4.0-py3.8.egg/arango/api.py", line 66, in _execute
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/python_arango-5.4.0-py3.8.egg/arango/executor.py", line 81, in execute
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/python_arango-5.4.0-py3.8.egg/arango/connection.py", line 154, in send_request
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/python_arango-5.4.0-py3.8.egg/arango/http.py", line 103, in send_request
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/requests-2.25.1-py3.8.egg/requests/sessions.py", line 542, in request
resp = self.send(prep, **send_kwargs)
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/requests-2.25.1-py3.8.egg/requests/sessions.py", line 655, in send
r = adapter.send(request, **kwargs)
File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/requests-2.25.1-py3.8.egg/requests/adapters.py", line 516, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='localhost', port=8529): Max retries exceeded with url: /_db/_system/_api/database (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f6f0e727f40>: Failed to establish a new connection: [Errno 111] Connection refused'))`

[StefanoSalsano]

Hi @causimmi you are right, I've been able to reproduce the issue on the latest VM rose 2.7

we will try to fix the issue and let you know soon...

[causimmi]

I test that socket is not binded by sock.bind(addr) in

File "/home/rose/.envs/controller-venv/lib/python3.8/site-packages/urllib3-1.26.5-py3.8.egg/urllib3/util/connection.py", line 86, in create_connection
sock.connect(sa)

and some HTTP message is not received correctly

[cscarpitta]

Hi @causimmi, we fixed this problem in netgroup/rose-srv6-control-plane#90.

The problem was caused by a change in the v2.7 version of the ROSE VM.

By default, the controller attempted to connect to an ArangoDB database, which would cause a crash if the controller was started while ArangoDB was not running.

However since ArangoDB is only required for a few use cases, in netgroup/rose-srv6-control-plane#90 we changed the default controller configuration by disabling persistence on ArangoDB and we added instructions to enable persistence to rose-srv6-tutorial-part-2-control-plane.

Please run the update script that you can find on the Desktop of the ROSE-VM to pull the last changes.

Let me know if you run into any other problems.

Regards,
Carmine

[chlungwoo]

Hello Carmine,

First of all, I really appreciate that you and your team for the excellent work! This is so useful for students and researchers.

I had the same error message after I ran "bash starter.sh" using the ROSE VM I downloaded 1.5 years ago. I found out this blog and re-downloaded v2.7, but had the same problem. I am wondering if I could just make a few changes based on your fixes. If so, do you have those changes or what file(s) I should change?

BTW, when I ran

cd /home/rose/workspace/rose-srv6-control-plane/control_plane/apps/apps/cli

There is no starter.sh file in the directory. Is is related to the previous problem?

Thanks and regards,
Chung

[cscarpitta]

Hi @chlungwoo, please try to run the update script located on the Desktop of the ROSE-VM.

This script updates all the components installed in the ROSE-VM and creates the missing starter.sh script in /home/rose/workspace/rose-srv6-control-plane/control_plane/apps/apps/cli.

[chlungwoo]

Thank you! I will try it later.

[lungwoo]

Hi Carmine,

I ran the update and starter.sh was available. But there was an error at line 51 of "cli.py":

Traceback (most recent call last):
File "cli.py", line 51, in
from apps.cli import srv6_cli, srv6pm_cli, topo_cli
File "/home/rose/workspace/rose-srv6-control-plane/control_plane/apps/apps/cli/srv6_cli.py", line 38, in
from apps.nb_grpc_client import utils as grpc_utils
File "/home/rose/workspace/rose-srv6-control-plane/control_plane/apps/apps/nb_grpc_client/utils.py", line 40, in
from nb_commons_pb2 import (STATUS_SUCCESS,
File "/home/rose/workspace/rose-srv6-control-plane/control_plane/nb_protos/gen_py/nb_commons_pb2.py", line 33, in
_descriptor.EnumValueDescriptor(
File "/home/rose/.envs/srv6-apps-venv/lib/python3.8/site-packages/google/protobuf/descriptor.py", line 755, in new
_message.Message._CheckCalledFromGeneratedFile()
TypeError: Descriptors cannot not be created directly.
If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0.
If you cannot immediately regenerate your protos, some other possible workarounds are:

1. Downgrade the protobuf package to 3.20.x or lower.
2. Set PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python (but this will use pure-Python parsing and will be much slower).

Any more update needs to be run? Thanks again!

[bastienvty]

Hi @lungwoo,

By downgrading the protobuf to 3.12.0 worked for me (don't forget to be in the correct virtual environment).