cord-776 create build / runtime containers for autmation uservices

Change-Id: I246973192adef56a250ffe93a5f65fff488840c1
diff --git a/switchq/vendor/github.com/juju/utils/http-1_4.go b/switchq/vendor/github.com/juju/utils/http-1_4.go
new file mode 100644
index 0000000..87bd5b1
--- /dev/null
+++ b/switchq/vendor/github.com/juju/utils/http-1_4.go
@@ -0,0 +1,24 @@
+// Copyright 2016 Canonical Ltd.
+// Licensed under the LGPLv3, see LICENCE file for details.
+
+//+build !go1.7
+
+package utils
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+)
+
+// installHTTPDialShim patches the default HTTP transport so
+// that it fails when an attempt is made to dial a non-local
+// host.
+func installHTTPDialShim(t *http.Transport) {
+	t.Dial = func(network, addr string) (net.Conn, error) {
+		if !OutgoingAccessAllowed && !isLocalAddr(addr) {
+			return nil, fmt.Errorf("access to address %q not allowed", addr)
+		}
+		return net.Dial(network, addr)
+	}
+}