1 files changed, 76 insertions, 0 deletions
diff --git a/evergreen/functions/shared_scons_cache_pruning.sh b/evergreen/functions/shared_scons_cache_pruning.sh
new file mode 100755
index 00000000000..87219355a82
--- /dev/null
+++ b/evergreen/functions/shared_scons_cache_pruning.sh
@@ -0,0 +1,76 @@
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
+. "$DIR/../prelude.sh"
+
+cd src
+
+set -o errexit
+set -o verbose
+# removes files from the shared scons cache.
+
+# Only prune on master branch
+if [[ "${project}" == "mongodb-mongo-master" ]]; then
+
+  set +o errexit
+
+  if [ "Windows_NT" = "$OS" ]; then
+    ./win_mount.sh
+  else
+    mount | grep "\/efs" >/dev/null
+  fi
+  if [ $? -eq 0 ]; then
+    echo "Shared cache is already mounted"
+  else
+    echo "Shared cache - mounting file system"
+    if [ "Windows_NT" = "$OS" ]; then
+      ./win_mount.sh
+    else
+      sudo mount /efs
+    fi
+  fi
+  set -o errexit
+
+  if [ "Windows_NT" = "$OS" ]; then
+    cache_folder=/cygdrive/x
+  else
+    cache_folder=/efs
+  fi
+  dirs=$(ls -l $cache_folder | grep -v total | awk '{print $NF}')
+
+  echo "Pruning shared SCons directories"
+
+  for dir in $dirs; do
+    echo "Pruning $cache_folder/$dir/scons-cache"
+
+    if [ -e $cache_folder/$dir/info/distro_name ]; then
+      distro=$(cat $cache_folder/$dir/info/distro_name)
+    fi
+
+    # Set cache sizes by distro
+    case $distro in
+    ubuntu1604 | ubuntu1804 | rhel62 | rhel70)
+      cache_size=600
+      ;;
+    *)
+      # default
+      cache_size=400
+      ;;
+    esac
+
+    if [ "Windows_NT" = "$OS" ]; then
+      echo "dir="$dir
+      python buildscripts/scons_cache_prune.py --cache-dir x:/$dir/scons-cache --cache-size $cache_size --prune-ratio 1.0
+    else
+      sudo python buildscripts/scons_cache_prune.py --cache-dir /efs/$dir/scons-cache --cache-size $cache_size --prune-ratio 1.0
+    fi
+    echo ""
+  done
+
+  if [ "Windows_NT" = "$OS" ]; then
+    net use X: /delete || true
+  else
+    sudo umount /efs || true
+  fi
+
+else
+  echo "Not on master, shared SCons cache pruning skipped"
+fi