Migrate from libkv to valkeyrie library

vendor/github.com/abronan/valkeyrie/store/helpers.go

@@ -0,0 +1,47 @@
+package store
+
+import (
+	"strings"
+)
+
+// CreateEndpoints creates a list of endpoints given the right scheme
+func CreateEndpoints(addrs []string, scheme string) (entries []string) {
+	for _, addr := range addrs {
+		entries = append(entries, scheme+"://"+addr)
+	}
+	return entries
+}
+
+// Normalize the key for each store to the form:
+//
+//     /path/to/key
+//
+func Normalize(key string) string {
+	return "/" + join(SplitKey(key))
+}
+
+// GetDirectory gets the full directory part of
+// the key to the form:
+//
+//     /path/to/
+//
+func GetDirectory(key string) string {
+	parts := SplitKey(key)
+	parts = parts[:len(parts)-1]
+	return "/" + join(parts)
+}
+
+// SplitKey splits the key to extract path informations
+func SplitKey(key string) (path []string) {
+	if strings.Contains(key, "/") {
+		path = strings.Split(key, "/")
+	} else {
+		path = []string{key}
+	}
+	return path
+}
+
+// join the path parts with '/'
+func join(parts []string) string {
+	return strings.Join(parts, "/")
+}