Short tip: OMD and Python error 'TypeError: 'frozenset' object is not callable'

calendar May 27, 2016 · 1 min read · omd kurztipp  ·
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When configuring and testing a Python Icinga plugin within an OMD site, I stumbled upon the following error recently:

1TypeError: 'frozenset' object is not callable

After some tests on other systems, I found out, that the Python library hashlib shipped with OMD seems to be faulty. Copying the system-wide library into the OMD site did the trick for me:

1# cp /opt/omd/sites/$site/lib/python/hashlib.py /opt/omd/sites/$site/lib/python/hashlib.py.initial
2# cp /usr/lib64/python2.7/hashlib.py /opt/omd/sites/$site/lib/python/hashlib.py
Note

$site needs to replaced with the name of your OMD site.

Under CentOS, the package python-libs needs to installed to ensure that the file mentioned above is available.

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