test CI against software.eessi.io and show last eb log

.github/workflows/tests_scripts.yml

@@ -44,6 +44,49 @@ jobs:
         export EESSI_REPOS_CFG_DIR_OVERRIDE=${PWD}/repos
         ./eessi_container.sh --list-repos
 
+    - name: test load_easybuild_module.sh script with software.eessi.io
+      run: |
+        # bind current directory into container as /software-layer
+        export SINGULARITY_BIND="${PWD}:/software-layer"
+
+        # can't test with EasyBuild versions older than v4.5.2 when using EESSI 2023.06,
+        # since Python in compat layer is Python 3.11.x;
+        # testing with a single EasyBuild version takes a while in GitHub Actions, so stick to a single sensible version
+        for EB_VERSION in '4.6.0'; do
+          # Create script that uses load_easybuild_module.sh which we can run in compat layer environment
+          # note: Be careful with single vs double quotes below!
+          #       ${EB_VERSION} should be expanded, so use double quotes;
+          #       For statements using variables that are only defined in the script, like ${EASYBUILD_INSTALLPATH},
+          #       use single quotes to avoid expansion while creating the script.
+          test_script="${PWD}/eb-${EB_VERSION}.sh"
+          echo '#!/bin/bash' > ${test_script}
+          # both $EB and $TMPDIR environment must be set, required by load_easybuild_module.sh script
+          echo 'export EB="eb"' >> ${test_script}
+          echo 'export TMPDIR=$(mktemp -d)' >> ${test_script}
+          # set up environment to have utility functions in place that load_easybuild_module.sh script relies on,
+          # along with $EESSI_* environment variables, and Lmod
+          echo 'ls -l /software-layer/' >> ${test_script}
+          echo 'source /software-layer/scripts/utils.sh' >> ${test_script}
+          echo 'source /software-layer/init/eessi_environment_variables' >> ${test_script}
+          echo 'source ${EPREFIX}/usr/share/Lmod/init/bash' >> ${test_script}
+          # minimal configuration for EasyBuild so we can test installation aspect of load_easybuild_module.sh script
+          echo "export EASYBUILD_INSTALLPATH=/tmp/eb-${EB_VERSION}" >> ${test_script}
+          echo 'module use ${EASYBUILD_INSTALLPATH}/modules/all' >> ${test_script}
+          echo '' >> ${test_script}
+          echo "source /software-layer/load_easybuild_module.sh ${EB_VERSION}" >> ${test_script}
+          echo 'module list' >> ${test_script}
+          echo 'eb --version' >> ${test_script}
+
+          chmod u+x ${test_script}
+
+          # run wrapper script + capture & check output
+          out="${PWD}/eb-${EB_VERSION}.out"
+          export EESSI_REPOS_CFG_DIR_OVERRIDE=${PWD}/repos
+          ./eessi_container.sh --access rw --mode run --verbose --repository EESSI /software-layer/run_in_compat_layer_env.sh /software-layer/eb-${EB_VERSION}.sh 2>&1 | tee ${out}
+          pattern="^This is EasyBuild ${EB_VERSION} "
+          grep "${pattern}" ${out} || (echo "Pattern '${pattern}' not found in output!" && exit 1)
+        done
+
     - name: test load_easybuild_module.sh script
       run: |
         # bind current directory into container as /software-layer

load_easybuild_module.sh

@@ -68,7 +68,12 @@ else
     ok_msg="Latest EasyBuild release installed, let's go!"
     fail_msg="Installing latest EasyBuild release failed, that's not good... (output: ${eb_install_out})"
     ${EB} --install-latest-eb-release 2>&1 | tee ${eb_install_out}
-    check_exit_code $? "${ok_msg}" "${fail_msg}"
+    exit_code=$?
+    if [[ $exit_code -ne 0 ]]; then
+      # show last log
+      cat $(${EB} --last-log)
+    fi
+    check_exit_code ${exit_code} "${ok_msg}" "${fail_msg}"
 
     # maybe the module obtained with --install-latest-eb-release is exactly the EasyBuild version we wanted?
     IGNORE_CACHE=''