+# reuse any extant quagga password
+for v in "${1}"/group_vars/*vpcaccess*
+do
+ if [ -n "${quagga_password}" ]
+ then
+ echo "found multiple potential quagga passwords; the chosen one may not be correct" 1>&2
+ fi
+ quagga_password=$(awk '/QUAGGA_PASSWORD:/{print $2}' "${v}")
+done
+if [ -z "${quagga_password}" ]
+then
+ quagga_password=$(pwgen -y 16)
+fi
+