Use go templates/sprig for messages (#2527)

util/format.go

@@ -1,10 +1,14 @@
 package util
 
 import (
+	"bytes"
 	"fmt"
+	"html/template"
 	"regexp"
 	"strings"
 	"time"
+
+	"github.com/Masterminds/sprig/v3"
 )
 
 var re = regexp.MustCompile(`\${(\w+)(:([a-zA-Z0-9%.]+))?}`)
@@ -46,6 +50,20 @@ func FormatValue(format string, val interface{}) string {
 
 // ReplaceFormatted replaces all occurrences of ${key} with formatted val from the kv map
 func ReplaceFormatted(s string, kv map[string]interface{}) (string, error) {
+	// Enhanced golang template logic
+	tpl, err := template.New("base").Funcs(sprig.FuncMap()).Parse(s)
+	if err != nil {
+		return s, err
+	}
+
+	var rs bytes.Buffer
+	err = tpl.Execute(&rs, kv)
+	if err != nil {
+		return s, err
+	}
+	s = rs.String()
+
+	// Regex logic for backward compatibility
 	wanted := make([]string, 0)
 
 	for m := re.FindStringSubmatch(s); m != nil; m = re.FindStringSubmatch(s) {
@@ -65,7 +83,6 @@ func ReplaceFormatted(s string, kv map[string]interface{}) (string, error) {
 	}
 
 	// return missing keys
-	var err error
 	if len(wanted) > 0 {
 		got := make([]string, 0)
 		for k := range kv {