forked from grpc/grpc-go
/
env.go
50 lines (46 loc) · 1.86 KB
/
env.go
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
/*
*
* Copyright 2020 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Package env acts a single source of definition for all environment variables
// related to the xDS implementation in gRPC.
package env
import (
"os"
"strings"
)
const (
bootstrapFileNameEnv = "GRPC_XDS_BOOTSTRAP"
xdsV3SupportEnv = "GRPC_XDS_EXPERIMENTAL_V3_SUPPORT"
clientSideSecuritySupportEnv = "GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT"
)
var (
// BootstrapFileName holds the name of the file which contains xDS bootstrap
// configuration. Users can specify the location of the bootstrap file by
// setting the environment variable "GRPC_XDS_BOOSTRAP".
BootstrapFileName = os.Getenv(bootstrapFileNameEnv)
// V3Support indicates whether xDS v3 API support is enabled, which can be
// done by setting the environment variable
// "GRPC_XDS_EXPERIMENTAL_V3_SUPPORT" to "true".
V3Support = strings.EqualFold(os.Getenv(xdsV3SupportEnv), "true")
// ClientSideSecuritySupport is used to control processing of security
// configuration on the client-side.
//
// Note that there is no env var protection for the server-side because we
// have a brand new API on the server-side and users explicitly need to use
// the new API to get security integration on the server.
ClientSideSecuritySupport = strings.EqualFold(os.Getenv(clientSideSecuritySupportEnv), "true")
)