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EESSI-remove-software.sh
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EESSI-remove-software.sh
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#!/bin/bash
#
# Script to remove part of the EESSI software stack (version set through init/eessi_defaults)
# see example parsing of command line arguments at
# https://wiki.bash-hackers.org/scripting/posparams#using_a_while_loop
# https://stackoverflow.com/questions/192249/how-do-i-parse-command-line-arguments-in-bash
display_help() {
echo "usage: $0 [OPTIONS]"
echo " -g | --generic - instructs script to build for generic architecture target"
echo " -h | --help - display this usage information"
}
POSITIONAL_ARGS=()
while [[ $# -gt 0 ]]; do
case $1 in
-g|--generic)
DETECTION_PARAMETERS="--generic"
shift
;;
-h|--help)
display_help # Call your function
# no shifting needed here, we're done.
exit 0
;;
-*|--*)
echo "Error: Unknown option: $1" >&2
exit 1
;;
*) # No more options
POSITIONAL_ARGS+=("$1") # save positional arg
shift
;;
esac
done
set -- "${POSITIONAL_ARGS[@]}"
TOPDIR=$(dirname $(realpath $0))
export TMPDIR=$(mktemp -d /tmp/eessi-remove.XXXXXXXX)
source $TOPDIR/scripts/utils.sh
echo ">> Determining software subdirectory to use for current build host..."
if [ -z $EESSI_SOFTWARE_SUBDIR_OVERRIDE ]; then
export EESSI_SOFTWARE_SUBDIR_OVERRIDE=$(python3 $TOPDIR/eessi_software_subdir.py $DETECTION_PARAMETERS)
echo ">> Determined \$EESSI_SOFTWARE_SUBDIR_OVERRIDE via 'eessi_software_subdir.py $DETECTION_PARAMETERS' script"
else
echo ">> Picking up pre-defined \$EESSI_SOFTWARE_SUBDIR_OVERRIDE: ${EESSI_SOFTWARE_SUBDIR_OVERRIDE}"
fi
echo ">> Setting up environment..."
source $TOPDIR/init/bash
if [ -d $EESSI_CVMFS_REPO ]; then
echo_green "$EESSI_CVMFS_REPO available, OK!"
else
fatal_error "$EESSI_CVMFS_REPO is not available!"
fi
if [[ -z ${EESSI_SOFTWARE_SUBDIR} ]]; then
fatal_error "Failed to determine software subdirectory?!"
elif [[ "${EESSI_SOFTWARE_SUBDIR}" != "${EESSI_SOFTWARE_SUBDIR_OVERRIDE}" ]]; then
fatal_error "Values for EESSI_SOFTWARE_SUBDIR_OVERRIDE (${EESSI_SOFTWARE_SUBDIR_OVERRIDE}) and EESSI_SOFTWARE_SUBDIR (${EESSI_SOFTWARE_SUBDIR}) differ!"
else
echo_green ">> Using ${EESSI_SOFTWARE_SUBDIR} as software subdirectory!"
fi
echo ">> Configuring EasyBuild..."
EB="eb"
source $TOPDIR/configure_easybuild
echo ">> Setting up \$MODULEPATH..."
# make sure no modules are loaded
module --force purge
# ignore current $MODULEPATH entirely
module unuse $MODULEPATH
module use $EASYBUILD_INSTALLPATH/modules/all
if [[ -z ${MODULEPATH} ]]; then
fatal_error "Failed to set up \$MODULEPATH?!"
else
echo_green ">> MODULEPATH set up: ${MODULEPATH}"
fi
# assume there's only one diff file that corresponds to the PR patch file
pr_diff=$(ls [0-9]*.diff | head -1)
changed_easystacks_rebuilds=$(cat ${pr_diff} | grep '^+++' | cut -f2 -d' ' | sed 's@^[a-z]/@@g' | grep '^easystacks/.*yml$' | egrep -v 'known-issues|missing' | grep "/rebuilds/")
if [ -z ${changed_easystacks_rebuilds} ]; then
echo "No software needs to be removed."
else
for easystack_file in ${changed_easystacks_rebuilds}; do
# determine version of EasyBuild module to load based on EasyBuild version included in name of easystack file
eb_version=$(echo ${easystack_file} | sed 's/.*eb-\([0-9.]*\).*/\1/g')
# load EasyBuild module (will be installed if it's not available yet)
source ${TOPDIR}/load_easybuild_module.sh ${eb_version}
if [ -f ${easystack_file} ]; then
echo_green "Software rebuild(s) requested in ${easystack_file}, so"
echo_green " determining which existing installation have to be removed (assuming contents"
echo_green " have been made writable/deletable)..."
# we need to remove existing installation directories first,
# so let's figure out which modules have to be rebuilt by doing a dry-run and grepping "someapp/someversion" for the relevant lines (with [R])
# * [R] $CFGS/s/someapp/someapp-someversion.eb (module: someapp/someversion)
# rebuild_apps=$(eb --allow-use-as-root-and-accept-consequences --dry-run-short --rebuild --easystack ${easystack_file} | grep "^ \* \[R\]" | grep -o "module: .*[^)]" | awk '{print $2}')
rebuild_apps=$(eb --dry-run-short --rebuild --easystack ${easystack_file} | grep "^ \* \[R\]" | grep -o "module: .*[^)]" | awk '{print $2}')
for app in ${rebuild_apps}; do
app_dir=${EASYBUILD_INSTALLPATH}/software/${app}
app_module=${EASYBUILD_INSTALLPATH}/modules/all/${app}.lua
echo_yellow "Removing ${app_dir} and ${app_module}..."
rm -rdfv ${app_dir}
rm -rdfv ${app_module}
done
else
fatal_error "Easystack file ${easystack_file} not found!"
fi
done
fi