r-studio-test/06_workspace_mount.sh

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#!/usr/bin/with-contenv bash
# Functions that decode a JWT token
_decode_base64_url() {
local len=$((${#1} % 4))
local result="$1"
if [ $len -eq 2 ]; then result="$1"'=='
elif [ $len -eq 3 ]; then result="$1"'='
fi
echo "$result" | tr '_-' '/+' | base64 -d
}
# $1 => JWT to decode
# $2 => either 1 for header or 2 for body (default is 2)
decode_jwt() { _decode_base64_url $(echo -n $1 | cut -d "." -f ${2:-2}) | jq .; }
_workspace_scope="/d4science.research-infrastructures.eu"
echo "Manage the user's workspace"
workspace_dir='/workspace'
workspace_logdir='/var/log/workspace-lib'
workspace_libdir='/opt/workspace-lib'
workspace_fuse_jar="$workspace_libdir/fuse-workspace.jar"
[[ ! -d "$workspace_dir" ]] || [[ -z `ls -A "$workspace_dir"` ]] || mv $workspace_dir ${workspace_dir}.old
mkdir -p $workspace_dir
chown ${USER}:${USER} $workspace_dir
chown -R ${USER}:${USER} $workspace_logdir
chmod 444 $workspace_fuse_jar
_retval=
if [ -d /home/${USER}/workspace ]; then
rmdir /home/${USER}/workspace
_retval=$?
if [ $_retval -ne 0 ]; then
echo "The user has a directory named 'workspace' inside their home directory and it is not empty."
echo "Not starting the workspace mount"
exit $_retval
fi
fi
echo "Mount the workspace"
su - "$USER" -c "/usr/bin/java -cp .:${workspace_dir}:${workspace_logdir}/ -Dlogback.configurationFile=${workspace_logdir}/logback.xml -jar $workspace_fuse_jar $SHINYPROXY_OIDC_ACCESS_TOKEN ${_workspace_scope} $workspace_dir" >/dev/null 2>&1 &
sleep 5
_retval=
_fuse_process=$(ps auwwx | grep fuse | grep java)
_retval=$?
if [ $_retval -ne 0 ]; then
echo "The mount of the workspace failed"
exit 1
else
pushd /home/${USER}
if [ $? -ne 0 ]; then
if ! [ -L workspace ]; then
su - "$USER" -c "ln -s $workspace_dir /workspace"
fi
else
echo "Cannot cd inside the user's home directory"
exit 1
fi
echo "The workspace has been mounted"
exit 0
fi