Py Lib improvement suggestion (choose site not in Maintenance)

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August 7, 2024 at 10:39 am #7386
Justas Balcas
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Hello,

I faced issues with Measurement installation (seems related to Site in Maitenance)[1]. I tried to submit a new slice and while adding Measurement node (MFLib.addMeasNode(slice, disk=100) it chose the one which is in the maitenance and gave me the following error:

`
Exception: Submit request error: return_status Status.FAILURE, slice_reservations: (500)
Reason: INTERNAL SERVER ERROR
HTTP response headers: HTTPHeaderDict({‘Server’: ‘nginx/1.21.6’, ‘Date’: ‘Wed, 07 Aug 2024 14:30:21 GMT’, ‘Content-Type’: ‘text/html; charset=utf-8’, ‘Content-Length’: ‘191’, ‘Connection’: ‘keep-alive’, ‘Access-Control-Allow-Credentials’: ‘true’, ‘Access-Control-Allow-Headers’: ‘DNT, User-Agent, X-Requested-With, If-Modified-Since, Cache-Control, Content-Type, Range, Authorization’, ‘Access-Control-Allow-Methods’: ‘GET, POST, PUT, PATCH, DELETE, OPTIONS’, ‘Access-Control-Allow-Origin’: ‘*’, ‘Access-Control-Expose-Headers’: ‘Content-Length, Content-Range, X-Error’, ‘X-Error’: ‘Site EDC in Maint’})
HTTP response body: b'{\n “errors”: [\n {\n “details”: “Site EDC in Maint”,\n “message”: “Internal Server Error”\n }\n ],\n “size”: 1,\n “status”: 500,\n “type”: “error”\n}’

<code></code>`

I am not mentioning anywhere EDC Site, and for this call: MFLib.addMeasNode(slice, disk=100) – I would expect it to choose Site not in maintenance. Looking here: https://fabrictestbed-mflib.readthedocs.io/en/latest/mflib.html#mflib.mflib.MFLib.addMeasNode – I can enforce site, but I think maybe it could be handled by Py lib to identify and choose site not in maintenance?

Cheers,

Justas

[1]

`
<pre>—————————————————————————
ChannelException Traceback (most recent call last)
File <a href=”https://jupyter.fabric-testbed.net/opt/conda/lib/python3.11/site-packages/mflib/core.py#line=667″ data-commandlinker-command=”rendermime:handle-local-link” data-commandlinker-args=”{"path":"/opt/conda/lib/python3.11/site-packages/mflib/core.py","id":"#line=667","scope":"kernel"}”>/opt/conda/lib/python3.11/site-packages/mflib/core.py:668</a>, in Core._upload_service_data(self, service, data)
 667 # upload file
–> 668 fa = self.meas_node.upload_file(local_file_path, remote_tmp_file_path)
 670 # mv file to final location

File <a href=”https://jupyter.fabric-testbed.net/opt/conda/lib/python3.11/site-packages/fabrictestbed_extensions/fablib/node.py#line=1836″ data-commandlinker-command=”rendermime:handle-local-link” data-commandlinker-args=”{"path":"/opt/conda/lib/python3.11/site-packages/fabrictestbed_extensions/fablib/node.py","id":"#line=1836","scope":"kernel"}”>/opt/conda/lib/python3.11/site-packages/fabrictestbed_extensions/fablib/node.py:1837</a>, in Node.upload_file(self, local_file_path, remote_file_path, retry, retry_interval)
 1836 if attempt + 1 == retry:
-> 1837 raise e
 1839 # Fail, try again

File <a href=”https://jupyter.fabric-testbed.net/opt/conda/lib/python3.11/site-packages/fabrictestbed_extensions/fablib/node.py#line=1804″ data-commandlinker-command=”rendermime:handle-local-link” data-commandlinker-args=”{"path":"/opt/conda/lib/python3.11/site-packages/fabrictestbed_extensions/fablib/node.py","id":"#line=1804","scope":"kernel"}”>/opt/conda/lib/python3.11/site-packages/fabrictestbed_extensions/fablib/node.py:1805</a>, in Node.upload_file(self, local_file_path, remote_file_path, retry, retry_interval)
 1804 bastion_transport = bastion.get_transport()
-> 1805 bastion_channel = bastion_transport.open_channel(
 1806 ”direct-tcpip”, dest_addr, src_addr
 1807 )
 1809 client = paramiko.SSHClient()

File <a href=”https://jupyter.fabric-testbed.net/opt/conda/lib/python3.11/site-packages/paramiko/transport.py#line=1100″ data-commandlinker-command=”rendermime:handle-local-link” data-commandlinker-args=”{"path":"/opt/conda/lib/python3.11/site-packages/paramiko/transport.py","id":"#line=1100","scope":"kernel"}”>/opt/conda/lib/python3.11/site-packages/paramiko/transport.py:1101</a>, in Transport.open_channel(self, kind, dest_addr, src_addr, window_size, max_packet_size, timeout)
 1100 e = SSHException(“Unable to open channel.”)
-> 1101 raise e

ChannelException: ChannelException(2, ‘Connect failed’)

During handling of the above exception, another exception occurred:

UnboundLocalError Traceback (most recent call last)
Cell In[13], line 13
 11 mf = MFLib(slice_name, mf_repo_branch=”main”)
 12 print(mf.grafana_tunnel)
—> 13 instrumetize_results = mf.instrumentize()
 14 print(mf.grafana_tunnel)
 16 print(f”Browse to https://localhost:{mf.grafana_tunnel_local_port}/grafana/dashboards?query=%2A”)

File <a data-path=”/opt/conda/lib/python3.11/site-packages/mflib/mflib.py” data-locator=”line=527″>/opt/conda/lib/python3.11/site-packages/mflib/mflib.py:528</a>, in MFLib.instrumentize(self, services)
 525 print(msg)
 526 self.mflib_logger.debug(msg)
–> 528 prom_data = self.create(”prometheus”)
 529 if not prom_data[“success”]:
 530 print(prom_data)

File <a href=”https://jupyter.fabric-testbed.net/opt/conda/lib/python3.11/site-packages/mflib/core.py#line=382″ data-commandlinker-command=”rendermime:handle-local-link” data-commandlinker-args=”{"path":"/opt/conda/lib/python3.11/site-packages/mflib/core.py","id":"#line=382","scope":"kernel"}”>/opt/conda/lib/python3.11/site-packages/mflib/core.py:383</a>, in Core.create(self, service, data, files)
 381 self.core_logger.info(f”Run create for {service}”)
 382 self.core_logger.debug(f”Data is {data}.”)
–> 383 return self._run_on_meas_node(service, ”create”, data, files)

File <a href=”https://jupyter.fabric-testbed.net/opt/conda/lib/python3.11/site-packages/mflib/core.py#line=633″ data-commandlinker-command=”rendermime:handle-local-link” data-commandlinker-args=”{"path":"/opt/conda/lib/python3.11/site-packages/mflib/core.py","id":"#line=633","scope":"kernel"}”>/opt/conda/lib/python3.11/site-packages/mflib/core.py:634</a>, in Core._run_on_meas_node(self, service, command, data, files)
 631 self._upload_service_data(service, data)
 632 else:
 633 # Ensure old stale data is remove on meas node
–> 634 self._upload_service_data(service, {})
 635 if files:
 636 self._upload_service_files(service, files)

File <a href=”https://jupyter.fabric-testbed.net/opt/conda/lib/python3.11/site-packages/mflib/core.py#line=680″ data-commandlinker-command=”rendermime:handle-local-link” data-commandlinker-args=”{"path":"/opt/conda/lib/python3.11/site-packages/mflib/core.py","id":"#line=680","scope":"kernel"}”>/opt/conda/lib/python3.11/site-packages/mflib/core.py:681</a>, in Core._upload_service_data(self, service, data)
 679 print(f”Service Data Upload Failed: {e}”)
 680 self.core_logger.exception(“Upload service data failed”)
–> 681 if stdout:
 682 self.core_logger.debug(f”STDOUT: {stdout}”)
 683 if stderr:

UnboundLocalError: cannot access local variable ‘stdout’ where it is not associated with a value</pre>
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