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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package vault | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/hashicorp/vault/api" | ||
| "github.com/hashicorp/vault/api/auth/kubernetes" | ||
| "golang.org/x/net/context" | ||
| ) | ||
|
|
||
| const ( | ||
| defaultServiceAccountTokenFile = "/var/run/secrets/kubernetes.io/serviceaccount/token" // #nosec G101 | ||
| defaultMount = "kubernetes" | ||
| ) | ||
|
|
||
| type KubernetesAuth struct { | ||
| role string | ||
| serviceAccountTokenFile string | ||
| mount string | ||
| } | ||
|
|
||
| func NewVaultKubernetesAuth(role string, mountPath string) (*KubernetesAuth, error) { | ||
| return &KubernetesAuth{ | ||
| role: role, | ||
| mount: mountPath, | ||
| serviceAccountTokenFile: defaultServiceAccountTokenFile, | ||
| }, nil | ||
| } | ||
|
|
||
| func (t *KubernetesAuth) Logout(ctx context.Context, client *api.Client) error { | ||
| path := "auth/token/revoke-self" | ||
| _, err := client.Logical().Write(path, map[string]interface{}{}) | ||
| return err | ||
| } | ||
|
|
||
| func (t *KubernetesAuth) Login(ctx context.Context, client *api.Client) (*api.Secret, error) { | ||
| k8sAuth, err := kubernetes.NewKubernetesAuth( | ||
| t.role, | ||
| kubernetes.WithServiceAccountTokenPath(t.serviceAccountTokenFile), | ||
| kubernetes.WithMountPath(t.mount)) | ||
|
|
||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to initialize Kubernetes kubernetes method: %w", err) | ||
| } | ||
|
|
||
| authInfo, err := client.Auth().Login(context.TODO(), k8sAuth) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to log in with Kubernetes kubernetes: %w", err) | ||
| } | ||
| if authInfo == nil { | ||
| return nil, fmt.Errorf("no kubernetes info was returned after login") | ||
| } | ||
|
|
||
| return authInfo, nil | ||
| } |