Error processing from file

[gabrieleiannetti]

Hi,

I tried to run the exporter to process the input data from file, but it crashes.

Execute exporter:

$ ./infiniband-exporter.py --from-file ../ibqueryerrors_nohostnames.txt 2>exporter_errors.txt

It shows up error messages with Unknown link state on guid... and finally will crash with the following Python errors:

  File "./infiniband-exporter.py", line 346, in collect
    self.parse_switch(switch_name, item[0], item[1])
  File "./infiniband-exporter.py", line 222, in parse_switch
    guid = m_port.group(1)
AttributeError: 'NoneType' object has no attribute 'group'
^CTraceback (most recent call last):
  File "./infiniband-exporter.py", line 437, in <module>

Files:

• ibqueryerrors_nohostnames.txt
• exporter_errors.txt

Looks like objects are not generated because of the Unknown link state errors,
but objects were expected and then the exporter crashes accessing a NoneType object.

[gabrieleiannetti]

I got the cause of the error...

The program ibqueryerrors needs to be executed with the following flags as it is called in the exporter:

--verbose --details --suppress-common --data --report-port --switch

[gabrieleiannetti]

Probably it would be helpful to mention how to create an output file by ibqueryerrors,
so it can be processed by the exporter e.g.:

• Add note to README.md
• Update help message in the exporter for flag --from-file