Add workaround code for old singularity installs

install.sh

@@ -15,40 +15,59 @@ echo "Setting up development environment for eicweb/$CONTAINER:$VERSION"
 mkdir -p local/lib || exit 1
 
 ## check for a singularity install
-if [ $(type -P singularity ) ]; then
+## jlab singularity
+if [ -d "/apps/singularity/3.7.1/bin/" ]; then
+  SINGULARITY="/apps/singularity/3.7.1/bin/singularity"
+## cvmfs singularity
+elif [ -f "/cvmfs/oasis.opensciencegrid.org/mis/singularity/bin/singularity" ]; then
+  SINGULARITY="/cvmfs/oasis.opensciencegrid.org/mis/singularity/bin/singularity"
+## whatever is in the path
+elif [ $(type -P singularity ) ]; then
   SINGULARITY=$(which singularity)
-#if [ -z $SINGULARITY ]; then
 else
-  ## jlab singularity
-  if [ -d "/apps/singularity/3.7.1/bin/" ]; then
-    SINGULARITY="/apps/singularity/3.7.1/bin/singularity"
-  ## cvmfs singularity
-  elif [ -f "/cvmfs/oasis.opensciencegrid.org/mis/singularity/bin/singularity" ]; then
-    SINGULARITY="/cvmfs/oasis.opensciencegrid.org/mis/singularity/bin/singularity"
-  else
-    echo "ERROR: no singularity found, please make sure you have singularity in your \$PATH"
-    exit 1
-  fi
+  echo "ERROR: no singularity found, please make sure you have singularity in your \$PATH"
+  exit 1
 fi
 echo " - Found singularity at $SINGULARITY"
 
+## get singularity version
+## we only care if is 2.x or not, so we can use singularity --version 
+## which returns 2.xxxxx for version 2
+SINGULARITY_VERSION=`$SINGULARITY --version`
 SIF=
-## check if we can just use cvmfs for the image
-if [ -f /cvmfs/eic.opensciencegrid.org/singularity/athena/jug_xl_v${VERSION}.sif ]; then
-  ln -sf /cvmfs/eic.opensciencegrid.org/singularity/athena/jug_xl_v${VERSION}.sif local/lib
-  SIF="$PWD/local/lib/jug_xl_v${VERSION}.sif"
-## if not, download the container to the system
+if [ ${SINGULARITY_VERSION:0:1} = 2 ]; then
+  echo "WARNING: your singularity version $SINGULARITY_VERSION is ancient, we strongly recommend using version 3.x"
+  echo "We will attempt to use a fall-back SIMG image to be used with this singularity version"
+  if [ -f /gpfs02/eic/athena/jug_xl-3.0-stable.simg ]; then
+    ln -df /gpfs02/eic/athena/jug_xl-3.0-stable.simg local/lib
+    SIF="$PWD/local/lib/jug_xl-3.0-stable.simg"
+  else
+    echo "Attempting last-resort singularity pull for old image"
+    echo "This may take a few minutes..."
+    singularity pull docker://eicweb/$CONTAINER:$VERSION
+  fi
+## we are in sane territory, yay!
 else
-  ## get the python installer and run the old-style install
-  wget https://eicweb.phy.anl.gov/containers/eic_container/-/raw/master/install.py
-  chmod +x install.py
-  ./install.py -c $CONTAINER -v $VERSION $PWD/local
-  ## Don't place eic-shell in local/bin as this may
-  ## conflict with things we install inside the container
-  rm $PWD/local/bin/eic-shell
-  ## Cleanup
-  rm -rf __pycache__ install.py
-  SIF=$PWD/local/lib/${CONTAINER}.sif.${VERSION}
+  ## check if we can just use cvmfs for the image
+  if [ -f /cvmfs/eic.opensciencegrid.org/singularity/athena/jug_xl_v${VERSION}.sif ]; then
+    ln -sf /cvmfs/eic.opensciencegrid.org/singularity/athena/jug_xl_v${VERSION}.sif local/lib
+    SIF="$PWD/local/lib/jug_xl_v${VERSION}.sif"
+  elif [ -f /gpfs02/cvmfst0/eic.opensciencegrid.org/singularity/athena/jug_xl_v3.0-stable.sif ]; then
+    ln -sf /gpfs02/cvmfst0/eic.opensciencegrid.org/singularity/athena/jug_xl_v3.0-stable.sif local/lib
+    SIF="$PWD/local/lib/jug_xl_v${VERSION}.sif"
+  ## if not, download the container to the system
+  else
+    ## get the python installer and run the old-style install
+    wget https://eicweb.phy.anl.gov/containers/eic_container/-/raw/master/install.py
+    chmod +x install.py
+    ./install.py -c $CONTAINER -v $VERSION $PWD/local
+    ## Don't place eic-shell in local/bin as this may
+    ## conflict with things we install inside the container
+    rm $PWD/local/bin/eic-shell
+    ## Cleanup
+    rm -rf __pycache__ install.py
+    SIF=$PWD/local/lib/${CONTAINER}.sif.${VERSION}
+  fi
 fi
 
 if [ -z $SIF -o ! -f $SIF ]; then