LogDog: Update client/bootstrap to generate URLs.

logdog/common/viewer/url.go

+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+// Package viewer is a support library to interact with the LogDog web app and
+// log stream viewer.
+package viewer
+
+import (
+        "fmt"
+        "net/url"
+
+        "github.com/luci/luci-go/common/config"
+        "github.com/luci/luci-go/logdog/common/types"
+)
+
+// GetURL generates a LogDog app viewer URL for the specified streams.
+func GetURL(host string, project config.ProjectName, paths ...types.StreamPath) string {
+        values := make([]string, len(paths))
+        for i, p := range paths {
+                values[i] = fmt.Sprintf("%s/%s", project, p)
+        }
+        u := url.URL{
+                Scheme: "https",
+                Host:   host,
+                Path:   "v/",
+                RawQuery: url.Values{
+                        "s": values,
+                }.Encode(),
+        }
+        return u.String()
+}