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VSC-tools

Build Status

Common tools used within our organization.

Originally created by the HPC team of Ghent University (http://ugent.be/hpc).

Namespaces and tools

vsc

Common namespace used by all our python modules

  • fancylogger: an extention of the default python logger designed to be easy to use and have a couple of fancy features.
  • custom specifiers for mpi loggin (the mpirank) with autodetection of mpi
  • custom specifier for always showing the calling function's name
  • rotating file handler
  • a default formatter.
  • logging to an UDP server (logdaemon.py f.ex.)
  • easily setting loglevel

ldap Collection of utilities to ease interaction with the LDAP servers.

Examples of the schema's used can be provided, although we do not include them ny default.

  • filter.py: Construction of LDAP filters that can be combined in intuitive ways using well-known operators, such as and, or, and not.
  • group.py: A group in LDAP, based on the posixGroup object class -- extended with several fields. Has one or more members and at least one moderator.
  • project.py: Projects that are run on the HPC infrastructure. These are autogroups, meaning their member list is built automagically.
  • user.py: A user in LDAP.
  • utils.py: Low-level LDAP utilities, such as making (and maintaining) a bind the the LDAP server. Higher level utilities for querying LDAP and the base class for entitites in LDAP.
  • vo.py: A virtual organisation is a special kind of group.

utils

Collection of utilities:

  • daemon.py : Daemon class written by Sander Marechal (http://www.jejik.com) to start a python script as a daemon.
  • missing.py: Small functions and tools that are commonly used but not available in the Python (2.x) API.
  • cache.py : File cache to store pickled data identified by a key accompanied by a timestamp,

bin

A collection of python scripts :

  • logdaemon.py: A daemon that listens on a port for udp packets and logs them to file, works toghether with fancylogger.
  • startlogdaemon.py : Script that will start the logdaemon for you and set environment variables for fancylogger.

License

VSC-tools is made available under the GNU General Public License (GPL) version 2.

Acknowledgements

VSC-tools was created with support of Ghent University, the Flemish Supercomputer Centre (VSC), the Hercules foundation and the Department of Economy, and the Department of Economy, Science and Innovation (EWI).