From 961c04cae992eadb42d286d2f85f8a675bdc68c8 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 29 Jan 2018 14:17:40 -0800
Subject: Upgrading server dependancies (#8154)

---
 .../appengine/capability/capability.go             | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 vendor/google.golang.org/appengine/capability/capability.go

(limited to 'vendor/google.golang.org/appengine/capability/capability.go')

diff --git a/vendor/google.golang.org/appengine/capability/capability.go b/vendor/google.golang.org/appengine/capability/capability.go
new file mode 100644
index 000000000..3a60bd55f
--- /dev/null
+++ b/vendor/google.golang.org/appengine/capability/capability.go
@@ -0,0 +1,52 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+/*
+Package capability exposes information about outages and scheduled downtime
+for specific API capabilities.
+
+This package does not work in App Engine "flexible environment".
+
+Example:
+	if !capability.Enabled(c, "datastore_v3", "write") {
+		// show user a different page
+	}
+*/
+package capability // import "google.golang.org/appengine/capability"
+
+import (
+	"golang.org/x/net/context"
+
+	"google.golang.org/appengine/internal"
+	"google.golang.org/appengine/log"
+
+	pb "google.golang.org/appengine/internal/capability"
+)
+
+// Enabled returns whether an API's capabilities are enabled.
+// The wildcard "*" capability matches every capability of an API.
+// If the underlying RPC fails (if the package is unknown, for example),
+// false is returned and information is written to the application log.
+func Enabled(ctx context.Context, api, capability string) bool {
+	req := &pb.IsEnabledRequest{
+		Package:    &api,
+		Capability: []string{capability},
+	}
+	res := &pb.IsEnabledResponse{}
+	if err := internal.Call(ctx, "capability_service", "IsEnabled", req, res); err != nil {
+		log.Warningf(ctx, "capability.Enabled: RPC failed: %v", err)
+		return false
+	}
+	switch *res.SummaryStatus {
+	case pb.IsEnabledResponse_ENABLED,
+		pb.IsEnabledResponse_SCHEDULED_FUTURE,
+		pb.IsEnabledResponse_SCHEDULED_NOW:
+		return true
+	case pb.IsEnabledResponse_UNKNOWN:
+		log.Errorf(ctx, "capability.Enabled: unknown API capability %s/%s", api, capability)
+		return false
+	default:
+		return false
+	}
+}
-- 
cgit v1.2.3-1-g7c22