cord-776 create build / runtime containers for autmation uservices

Change-Id: I246973192adef56a250ffe93a5f65fff488840c1
diff --git a/switchq/vendor/github.com/juju/gomaasapi/util.go b/switchq/vendor/github.com/juju/gomaasapi/util.go
new file mode 100644
index 0000000..3f95ac9
--- /dev/null
+++ b/switchq/vendor/github.com/juju/gomaasapi/util.go
@@ -0,0 +1,27 @@
+// Copyright 2012-2016 Canonical Ltd.
+// Licensed under the LGPLv3, see LICENCE file for details.
+
+package gomaasapi
+
+import (
+	"strings"
+)
+
+// JoinURLs joins a base URL and a subpath together.
+// Regardless of whether baseURL ends in a trailing slash (or even multiple
+// trailing slashes), or whether there are any leading slashes at the begining
+// of path, the two will always be joined together by a single slash.
+func JoinURLs(baseURL, path string) string {
+	return strings.TrimRight(baseURL, "/") + "/" + strings.TrimLeft(path, "/")
+}
+
+// EnsureTrailingSlash appends a slash at the end of the given string unless
+// there already is one.
+// This is used to create the kind of normalized URLs that Django expects.
+// (to avoid Django's redirection when an URL does not ends with a slash.)
+func EnsureTrailingSlash(URL string) string {
+	if strings.HasSuffix(URL, "/") {
+		return URL
+	}
+	return URL + "/"
+}