func Await(client management.Client, async asyncFunc) error {
requestID, err := async()
if err != nil {
return err
}
return client.WaitForOperation(requestID, nil)
}
// ExecuteAsyncOperation blocks until the provided asyncOperation is
// no longer in the InProgress state. Any known retryiable transient
// errors are retried and additional retry rules can be specified.
// If the operation was successful, nothing is returned, otherwise
// an error is returned.
func ExecuteAsyncOperation(client management.Client, asyncOperation func() (management.OperationID, error), extraRules ...RetryRule) error {
if asyncOperation == nil {
return fmt.Errorf("Parameter not specified: %s", "asyncOperation")
}
retryPolicy := append(newDefaultRetryPolicy(), extraRules...)
for { // retry loop for azure errors, call continue for retryable errors
operationId, err := asyncOperation()
if err == nil && operationId != "" {
log.Printf("Waiting for operation: %s", operationId)
err = client.WaitForOperation(operationId, nil)
}
if err != nil {
log.Printf("Caught error (%T) during retryable operation: %v", err, err)
// need to remove the pointer receiver in Azure SDK to make these *'s go away
if azureError, ok := err.(management.AzureError); ok {
log.Printf("Error is Azure error, checking if we should retry...")
if shouldRetry, backoff := retryPolicy.ShouldRetry(azureError); shouldRetry {
log.Printf("Error needs to be retried, sleeping %v", backoff)
time.Sleep(backoff)
continue // retry asyncOperation
}
}
}
return err
}
}
// ExecuteAsyncOperation blocks until the provided asyncOperation is
// no longer in the InProgress state. Any known retryiable transient
// errors are retried and additional retry rules can be specified.
// If the operation was successful, nothing is returned, otherwise
// an error is returned.
func ExecuteAsyncOperation(client management.Client, asyncOperation func() (management.OperationID, error), extraRules ...RetryRule) error {
if asyncOperation == nil {
return fmt.Errorf("Parameter not specified: %s", "asyncOperation")
}
retryPolicy := append(newDefaultRetryPolicy(), extraRules...)
for { // retry loop for azure errors, call continue for retryable errors
operationId, err := asyncOperation()
if err == nil {
err = client.WaitForOperation(operationId, nil)
}
if err != nil {
// need to remove the pointer receiver in Azure SDK to make these *'s go away
if azureError, ok := err.(*management.AzureError); ok {
if shouldRetry, backoff := retryPolicy.ShouldRetry(*azureError); shouldRetry {
time.Sleep(backoff)
continue // retry asyncOperation
}
}
}
return err
}
}
func GetTestStorageAccount(t *testing.T, client management.Client) storage.StorageServiceResponse {
t.Log("Retrieving storage account")
sc := storage.NewClient(client)
var sa storage.StorageServiceResponse
ssl, err := sc.ListStorageServices()
if err != nil {
t.Fatal(err)
}
rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
if len(ssl.StorageServices) == 0 {
t.Log("No storage accounts found, creating a new one")
lc := location.NewClient(client)
ll, err := lc.ListLocations()
if err != nil {
t.Fatal(err)
}
loc := ll.Locations[rnd.Intn(len(ll.Locations))].Name
t.Logf("Location for new storage account: %s", loc)
name := GenerateName()
op, err := sc.CreateStorageService(storage.StorageAccountCreateParameters{
ServiceName: name,
Label: base64.StdEncoding.EncodeToString([]byte(name)),
Location: loc,
AccountType: storage.AccountTypeStandardLRS})
if err != nil {
t.Fatal(err)
}
if err := client.WaitForOperation(op, nil); err != nil {
t.Fatal(err)
}
sa, err = sc.GetStorageService(name)
} else {
sa = ssl.StorageServices[rnd.Intn(len(ssl.StorageServices))]
}
t.Logf("Selected storage account '%s' in location '%s'",
sa.ServiceName, sa.StorageServiceProperties.Location)
return sa
}