1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
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)
}
|
