Vendor dependencies for GCS

vendor/google.golang.org/appengine/module/module.go

@@ -0,0 +1,113 @@
+// Copyright 2013 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 module provides functions for interacting with modules.
+
+The appengine package contains functions that report the identity of the app,
+including the module name.
+*/
+package module // import "google.golang.org/appengine/module"
+
+import (
+	"github.com/golang/protobuf/proto"
+	"golang.org/x/net/context"
+
+	"google.golang.org/appengine/internal"
+	pb "google.golang.org/appengine/internal/modules"
+)
+
+// List returns the names of modules belonging to this application.
+func List(c context.Context) ([]string, error) {
+	req := &pb.GetModulesRequest{}
+	res := &pb.GetModulesResponse{}
+	err := internal.Call(c, "modules", "GetModules", req, res)
+	return res.Module, err
+}
+
+// NumInstances returns the number of instances of the given module/version.
+// If either argument is the empty string it means the default.
+func NumInstances(c context.Context, module, version string) (int, error) {
+	req := &pb.GetNumInstancesRequest{}
+	if module != "" {
+		req.Module = &module
+	}
+	if version != "" {
+		req.Version = &version
+	}
+	res := &pb.GetNumInstancesResponse{}
+
+	if err := internal.Call(c, "modules", "GetNumInstances", req, res); err != nil {
+		return 0, err
+	}
+	return int(*res.Instances), nil
+}
+
+// SetNumInstances sets the number of instances of the given module.version to the
+// specified value. If either module or version are the empty string it means the
+// default.
+func SetNumInstances(c context.Context, module, version string, instances int) error {
+	req := &pb.SetNumInstancesRequest{}
+	if module != "" {
+		req.Module = &module
+	}
+	if version != "" {
+		req.Version = &version
+	}
+	req.Instances = proto.Int64(int64(instances))
+	res := &pb.SetNumInstancesResponse{}
+	return internal.Call(c, "modules", "SetNumInstances", req, res)
+}
+
+// Versions returns the names of the versions that belong to the specified module.
+// If module is the empty string, it means the default module.
+func Versions(c context.Context, module string) ([]string, error) {
+	req := &pb.GetVersionsRequest{}
+	if module != "" {
+		req.Module = &module
+	}
+	res := &pb.GetVersionsResponse{}
+	err := internal.Call(c, "modules", "GetVersions", req, res)
+	return res.GetVersion(), err
+}
+
+// DefaultVersion returns the default version of the specified module.
+// If module is the empty string, it means the default module.
+func DefaultVersion(c context.Context, module string) (string, error) {
+	req := &pb.GetDefaultVersionRequest{}
+	if module != "" {
+		req.Module = &module
+	}
+	res := &pb.GetDefaultVersionResponse{}
+	err := internal.Call(c, "modules", "GetDefaultVersion", req, res)
+	return res.GetVersion(), err
+}
+
+// Start starts the specified version of the specified module.
+// If either module or version are the empty string, it means the default.
+func Start(c context.Context, module, version string) error {
+	req := &pb.StartModuleRequest{}
+	if module != "" {
+		req.Module = &module
+	}
+	if version != "" {
+		req.Version = &version
+	}
+	res := &pb.StartModuleResponse{}
+	return internal.Call(c, "modules", "StartModule", req, res)
+}
+
+// Stop stops the specified version of the specified module.
+// If either module or version are the empty string, it means the default.
+func Stop(c context.Context, module, version string) error {
+	req := &pb.StopModuleRequest{}
+	if module != "" {
+		req.Module = &module
+	}
+	if version != "" {
+		req.Version = &version
+	}
+	res := &pb.StopModuleResponse{}
+	return internal.Call(c, "modules", "StopModule", req, res)
+}