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EasyBuild_Integration.rst

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Easybuild Integration

buildtest can determine if software is built by easybuild. To enable easybuild check with buildtest you can set the variable BUILDTEST_EASYBUILD in your configuration file as follows

BUILDTEST_EASYBUILD=True

Declare this as an environment variable

# bash/sh shell
export BUILDTEST_EASYBUILD=True

# csh/tcsh shell
setenv BUILDTEST_EASYBUILD True

You may specify this option at command line -eb or long option --easybuild. This option is available for build subcommand.

How buildtest checks for easybuild software

In this example below buildtest detects gnu7/7.3.0 is not a easybuild app.

(buildtest) buildtest-framework[devel] $ _buildtest build -s gnu7/7.3.0 --easybuild
Detecting Software:  gnu7/7.3.0
Application: gnu7/7.3.0 is not built from Easybuild, cannot find easyconfig file in installation directory

buildtest will do the following check

  1. Run $LMOD_CMD bash show <module> where <module> is argument to -s
  2. Search for string prepend_path(PATH) in output from step 1
  3. Check if directory exist that is added to PATH variable
  4. Check if there is a sub-directory easybuild
  5. Check if there is an easyconfig inside the sub-directory.

buildtest can also return a list of easyconfigs from a module tree (_buildtest list --easyconfigs). For more details see https://buildtestdocs.readthedocs.io/en/latest/List_Subcommand.html#list-easyconfigs-from-module-trees-buildtest-list-easyconfigs

The implementation for easyconfig retrieval is very similar to how buildtest checks if software is built by easybuild.