/
proxy.go
45 lines (40 loc) · 1.33 KB
/
proxy.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
// Copyright 2021 The Operator-SDK 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 proxy
import (
"os"
"strings"
corev1 "k8s.io/api/core/v1"
)
// ProxyEnvNames are standard environment variables for proxies
var ProxyEnvNames = []string{"HTTP_PROXY", "HTTPS_PROXY", "NO_PROXY"}
// ReadProxyVarsFromEnv retrieves the standard proxy-related environment
// variables from the running environment and returns a slice of corev1 EnvVar
// containing upper and lower case versions of those variables.
func ReadProxyVarsFromEnv() []corev1.EnvVar {
envVars := []corev1.EnvVar{}
for _, s := range ProxyEnvNames {
value, isSet := os.LookupEnv(s)
if isSet {
envVars = append(envVars, corev1.EnvVar{
Name: s,
Value: value,
}, corev1.EnvVar{
Name: strings.ToLower(s),
Value: value,
})
}
}
return envVars
}