net: init-metrics.sh - urlencode influx password (#5594)

* net: init-metrics.sh - urlencode influx password

* old backticks bad!

* Move urlencode() to common.sh

* Make urlencode() vars local

Co-Authored-By: Michael Vines <mvines@gmail.com>

net/init-metrics.sh

@@ -60,6 +60,8 @@ else
   [[ -n $password ]] || { echo "Password not specified"; exit 1; }
   echo
 
+  password="$(urlencode "$password")"
+
   query() {
     echo "$*"
     curl -XPOST \