get_running_builds(): intermittent 'node[%s] does not exist exception' while running on Cloudbees:

[Marco Carcano]

The below exception happens intermittently.

I guess that this may be caused when an agent is released from a Client Master in the same time the API call are happening:

This is the full trace:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/dist-packages/jenkins/__init__.py", line 588, in jenkins_request
    return self._response_handler(
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/jenkins/__init__.py", line 541, in _response_handler
    response.raise_for_status()
  File "/usr/lib/python3/dist-packages/requests/models.py", line 1021, in raise_for_status
    raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 404 Client Error: Not Found for url: https://client-master.mycompany.corp/computer/agent-08/api/json?depth=2

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/dist-packages/jenkins/__init__.py", line 1592, in get_node_info
    response = self.jenkins_open(requests.Request(
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/jenkins/__init__.py", line 562, in jenkins_open
    return self.jenkins_request(req, add_crumb, resolve_auth).text
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/jenkins/__init__.py", line 602, in jenkins_request
    raise NotFoundException('Requested item could not be found')
jenkins.NotFoundException: Requested item could not be found

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/scripts/amp.py", line 2524, in <module>
    check_running_jobs(config.pipeline, mr, args, credentials)
  File "/scripts/amp.py", line 2230, in check_running_jobs
    jenkins_check_running_jobs(jenkins_jobs, mr, args, credentials)
  File "/scripts/amp.py", line 1727, in jenkins_check_running_jobs
    builds=jenkins_conn.get_running_builds()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/jenkins/__init__.py", line 1538, in get_running_builds
    info = self.get_node_info(node_name, depth=2)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/jenkins/__init__.py", line 1600, in get_node_info
    raise JenkinsException('node[%s] does not exist' % name)
jenkins.JenkinsException: node[agent-08] does not exist