/
options.go
85 lines (75 loc) · 2.12 KB
/
options.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
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
/*
* Copyright (c) 2018 Uber Technologies, Inc.
*
* 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 assumerole
import (
"io"
multierror "github.com/hashicorp/go-multierror"
)
// Option is an option for the App that allows for changing of options or
// dependency injection for testing.
type Option func(*App) error
func (app *App) applyOptions(opts ...Option) (errs error) {
for _, opt := range opts {
if err := opt(app); err != nil {
errs = multierror.Append(errs, err)
}
}
return errs
}
// WithAWS allows you to pass a custom AWSProvider for talking to AWS.
func WithAWS(aws AWSProvider) Option {
return func(app *App) error {
app.aws = aws
return nil
}
}
// WithAWSConfig allows you to pass a custom AWSConfigProvider, which stores
// config and credentials for talking to AWS.
func WithAWSConfig(awsConfig AWSConfigProvider) Option {
return func(app *App) error {
app.awsConfig = awsConfig
return nil
}
}
// WithClock allows you to specify a custom clock implementation (for tests).
func WithClock(clock Clock) Option {
return func(app *App) error {
app.clock = clock
return nil
}
}
// WithConfig allows you to customise the configuration for the AssumeRole app
// itself.
func WithConfig(config *Config) Option {
return func(app *App) error {
app.config = *config
return nil
}
}
// WithStderr allows you to pass a custom stderr.
func WithStderr(stderr io.Writer) Option {
return func(app *App) error {
app.stderr = stderr
return nil
}
}
// WithStdin allows you to pass a custom stdin.
func WithStdin(stdin io.Reader) Option {
return func(app *App) error {
app.stdin = stdin
return nil
}
}