apply NODETOOL_NODE_PREFIX patch from github.com/erlware/relx/pull/871

Author: Andrei Zavada

priv/bin_script

@@ -77,7 +77,14 @@ relx_rem_sh() {
 
 # Generate a random id
 relx_gen_id() {
-    od -X -N 4 /dev/urandom | head -n1 | awk '{print $2}'
+    # To prevent exhaustion of atoms on target node, optionally avoid
+    # generation of random node prefixes, if it is guaranteed calls
+    # are always sequential.
+    if [ -z "${NODETOOL_NODE_PREFIX}" ]; then
+        dd count=1 bs=4 if=/dev/urandom 2> /dev/null | od -x  | head -n1 | awk '{print $2$3}'
+    else
+        echo "${NODETOOL_NODE_PREFIX}"
+    fi
 }
 
 # Control a node