packer-cn/builder/azure/common/vault.go

85 lines
1.8 KiB
Go

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See the LICENSE file in builder/azure for license information.
// NOTE: vault APIs do not yet exist in the SDK, but once they do this code
// should be removed.
package common
import (
"fmt"
"net/http"
"net/url"
"github.com/Azure/go-autorest/autorest"
)
const (
AzureVaultApiVersion = "2015-06-01"
)
type VaultClient struct {
autorest.Client
keyVaultEndpoint url.URL
}
func NewVaultClient(keyVaultEndpoint url.URL) VaultClient {
return VaultClient{
keyVaultEndpoint: keyVaultEndpoint,
}
}
type Secret struct {
ID *string `json:"id,omitempty"`
Value string `json:"value"`
}
func (client *VaultClient) GetSecret(vaultName, secretName string) (*Secret, error) {
p := map[string]interface{}{
"secret-name": autorest.Encode("path", secretName),
}
q := map[string]interface{}{
"api-version": AzureVaultApiVersion,
}
req, err := autorest.Prepare(
&http.Request{},
autorest.AsGet(),
autorest.WithBaseURL(client.getVaultUrl(vaultName)),
autorest.WithPathParameters("/secrets/{secret-name}", p),
autorest.WithQueryParameters(q))
if err != nil {
return nil, err
}
resp, err := autorest.SendWithSender(client, req)
if err != nil {
return nil, err
}
if resp.StatusCode != 200 {
return nil, fmt.Errorf(
"Failed to fetch secret from %s/%s, HTTP status code=%d (%s)",
vaultName,
secretName,
resp.StatusCode,
http.StatusText(resp.StatusCode))
}
var secret Secret
err = autorest.Respond(
resp,
autorest.ByUnmarshallingJSON(&secret))
if err != nil {
return nil, err
}
return &secret, nil
}
func (client *VaultClient) getVaultUrl(vaultName string) string {
return fmt.Sprintf("%s://%s.%s/", client.keyVaultEndpoint.Scheme, vaultName, client.keyVaultEndpoint.Host)
}