Azure cloud domain (#8)

* allow configuration of azure-cloud-domain (based on Lucretius#26)

---------

Co-authored-by: Karsten Kraus <[email protected]>

README.md

@@ -232,6 +232,7 @@ uploaders:
     accountName: <name>
     accountKey: <key>
     container: <container>
+    cloudDomain: <domain>
   google:
     bucket: <bucket>
   local:
@@ -266,6 +267,7 @@ uploaders:
 - `accountName` **(required)** - the account name of the storage account
 - `accountKey` **(required)** - the account key of the storage account
 - `containerName` **(required)** - the name of the blob container to write to
+- `cloudDomain` *(default: blob.core.windows.net) - domain of the cloud-service to use
 
 
 #### Google Storage

internal/app/vault_raft_snapshot_agent/config_test.go

@@ -115,6 +115,7 @@ func TestReadCompleteConfig(t *testing.T) {
 				AccountName:   "test-account",
 				AccountKey:    "test-key",
 				ContainerName: "test-container",
+				CloudDomain:   "blob.core.chinacloudapi.cn",
 			},
 			GCP: upload.GCPConfig{
 				Bucket: "test-bucket",
@@ -163,7 +164,10 @@ func TestReadConfigSetsDefaultValues(t *testing.T) {
 				Credentials: upload.AWSCredentialsConfig{Empty: true},
 				Empty:       true,
 			},
-			Azure: upload.AzureConfig{Empty: true},
+			Azure: upload.AzureConfig{
+				CloudDomain: "blob.core.windows.net", 
+				Empty: true,
+			},
 			GCP:   upload.GCPConfig{Empty: true},
 			Local: upload.LocalConfig{
 				Path: ".",

internal/app/vault_raft_snapshot_agent/upload/azure.go

@@ -13,6 +13,7 @@ type AzureConfig struct {
 	AccountName   string `validate:"required_if=Empty false"`
 	AccountKey    string `validate:"required_if=Empty false"`
 	ContainerName string `mapstructure:"container" validate:"required_if=Empty false"`
+	CloudDomain   string `default:"blob.core.windows.net" validate:"required_if=Empty false"`
 	Empty         bool
 }
 
@@ -27,7 +28,7 @@ func createAzureUploader(config AzureConfig) (*uploader[*container.BlobItem], er
 		return nil, fmt.Errorf("invalid credentials for azure: %w", err)
 	}
 
-	serviceURL := fmt.Sprintf("https://%s.blob.core.windows.net/", config.AccountName)
+	serviceURL := fmt.Sprintf("https://%s.%s/", config.AccountName, config.CloudDomain)
 	client, err := azblob.NewClientWithSharedKeyCredential(serviceURL, credential, nil)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create azure client: %w", err)

testdata/complete.yaml

@@ -29,6 +29,7 @@ uploaders:
     accountName: test-account
     accountKey: test-key
     container: test-container
+    cloudDomain: blob.core.chinacloudapi.cn
   google:
     bucket: test-bucket
   local: