-
Notifications
You must be signed in to change notification settings - Fork 42
/
provider.go
70 lines (56 loc) · 2.08 KB
/
provider.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
package kubernetessecrets
import (
"fmt"
"strings"
plugin_v1 "github.com/cyberark/secretless-broker/internal/plugin/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
typedv1 "k8s.io/client-go/kubernetes/typed/core/v1"
)
// Provider provides data values from Kubernetes Secrets.
type Provider struct {
Name string
SecretsClient typedv1.SecretInterface
}
// ProviderFactory constructs a Provider. The API client is configured from
// in-cluster environment variables and files.
func ProviderFactory(options plugin_v1.ProviderOptions) (plugin_v1.Provider, error) {
SecretsClient, err := NewSecretsClient()
if err != nil {
return nil, fmt.Errorf("ERROR: Could not create Kubernetes Secrets provider: %s", err)
}
provider := &Provider{
Name: options.Name,
SecretsClient: SecretsClient,
}
return provider, nil
}
// GetName returns the name of the provider
func (p *Provider) GetName() string {
return p.Name
}
// GetValue obtains a value by id. Any secret which is stored in Kubernetes Secrets is recognized.
// The data type returned by Kubernetes Secrets is map[string][]byte. Therefore this provider needs
// to know which field to return from the map. The field to be returned is specified by appending '#fieldName' to the id argument.
func (p *Provider) GetValue(id string) ([]byte, error) {
tokens := strings.SplitN(id, "#", 2)
if len(tokens) != 2 {
return nil, fmt.Errorf("Kubernetes secret id must contain secret name and field name in the format secretName#fieldName, received '%s'", id)
}
secretName, fieldName := tokens[0], tokens[1]
if fieldName == "" {
return nil, fmt.Errorf("field name missing from Kubernetes secret id '%s'", id)
}
secret, err := p.SecretsClient.Get(secretName, metav1.GetOptions{})
if err != nil {
if errors.IsNotFound(err) {
return nil, fmt.Errorf("could not find Kubernetes secret from '%s'", id)
}
return nil, err
}
value, ok := secret.Data[fieldName]
if !ok {
return nil, fmt.Errorf("could not find field '%s' in Kubernetes secret '%s'", fieldName, secretName)
}
return value, nil
}