Move Elasticsearch to source available 🎉 🎉 (#29015)

* Move Elasticsearch to source available

server/enterprise/elasticsearch/common/version.go

@@ -0,0 +1,27 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.enterprise for license information.
+
+package common
+
+import (
+	"strconv"
+	"strings"
+)
+
+func GetVersionComponents(version string) (int, int, int, error) {
+	spl := strings.Split(version, ".")
+	major, err := strconv.Atoi(spl[0])
+	if err != nil {
+		return 0, 0, 0, err
+	}
+	minor, err := strconv.Atoi(spl[1])
+	if err != nil {
+		return 0, 0, 0, err
+	}
+	patch, err := strconv.Atoi(spl[2])
+	if err != nil {
+		return 0, 0, 0, err
+	}
+
+	return major, minor, patch, nil
+}