helpful error message when multiprocessing dir env is unset #206
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… set.
On head it fails with:
ERROR in app: Exception on /metrics [GET]
AttributeError: 'NoneType' object has no attribute 'endswith'
With this change:
File "build/bdist.linux-x86_64/egg/prometheus_client/multiprocess.py", line 16, in __init__
raise ValueError('env prometheus_multiproc_dir is not set or not accessible')
ValueError: env prometheus_multiproc_dir is not set or not accessible
prometheus_client/multiprocess.py
Outdated
| class MultiProcessCollector(object): | ||
| """Collector for files for multi-process mode.""" | ||
| def __init__(self, registry, path=os.environ.get('prometheus_multiproc_dir')): | ||
| if not path or not os.path.exists(path): |
There was a problem hiding this comment.
You should check that it is a directory
|
@brian-brazil I've changed the code to check for directories, I can squash the commits if you prefer. |
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On head it fails with:
With this change: