Sketching cluster related stuff with Madan..
diff --git a/tools/build/envDefaults b/tools/build/envDefaults
new file mode 100644
index 0000000..71d4cf4
--- /dev/null
+++ b/tools/build/envDefaults
@@ -0,0 +1,22 @@
+# Environmental defaults for ONOS build, package and test
+# Root of the ONOS source tree
+export ONOS_ROOT=${ONOS_ROOT:-~/onos-next}
+# M2 repository and Karaf gold bits
+export M2_REPO=${M2_REPO:-~/.m2/repository}
+export KARAF_ZIP=${KARAF_ZIP:-~/Downloads/}
+export KARAF_DIST=$(basename $KARAF_ZIP .zip)
+# ONOS Version and onos.tar.gz staging environment
+export ONOS_TAR=$ONOS_STAGE.tar.gz
+# Defaults for ONOS testing using remote machines.
+export ONOS_INSTALL_DIR="/opt/onos"     # Installation directory on remote
+export OCI="${OCI:-}"     # ONOS Controller Instance
+export ONOS_USER="sdn"                  # ONOS user on remote system
+export ONOS_PWD="rocks"                 # ONOS user password on remote system