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Uncaught exception in metrics-per-process.py #91
Description
This seems related to #25.
I had 3 occurences of the following Exception:
Traceback (mo st recent call last):
File "/opt/sensu/embedded/lib/ruby/gems/2.4.0/gems/sensu-plugins-process-checks-3.2.0/bin/metrics-per-process.py", line 330, in <module>
main()
File "/opt/sensu/embedded/lib/ruby/gems/2.4.0/gems/sensu-plugins-process-checks-3.2.0/bin/metrics-per-process.py", line 318, in main
pids = find_pids_from_name(options.process_name)
File "/opt/sensu/embedded/lib/ruby/gems/2.4.0/gems/sensu-plugins-process-checks-3.2.0/bin/metrics-per-process.py", line 119, in find_pids_from_name
return find_pids(matcher)
File "/opt/sensu/embedded/lib/ruby/gems/2.4.0/gems/sensu-plugins-process-checks-3.2.0/bin/metrics-per-process.py", line 104, in find_pids
if matcher(path):
File "/opt/sensu/embedded/lib/ruby/gems/2.4.0/gems/sensu-plugins-process-checks-3.2.0/bin/metrics-per-process.py", line 116, in matcher
file_handler = open(path + '/comm', 'r')
IOError: [Errno 2] No such file or directory: '/proc/19630/comm'
In #25 we catch OSError to cover the case when directory /proc/<pid>/ does not exist.
In this issue however, it seems /proc/<pid>/ exists but /proc/<pid>/comm does not.
I believe we should catch both OSError & IOError to cover both cases.
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