| Jon Perritt | fa2c65e | 2014-10-02 20:32:43 -0500 | [diff] [blame] | 1 | package gophercloud | 
|  | 2 |  | 
|  | 3 | import ( | 
|  | 4 | "fmt" | 
| Ash Wilson | a844064 | 2014-10-07 09:55:58 -0400 | [diff] [blame] | 5 | "strings" | 
| Jon Perritt | fa2c65e | 2014-10-02 20:32:43 -0500 | [diff] [blame] | 6 | "time" | 
|  | 7 | ) | 
|  | 8 |  | 
|  | 9 | // WaitFor polls a predicate function once per second up to secs times to wait for a certain state to arrive. | 
|  | 10 | func WaitFor(secs int, predicate func() (bool, error)) error { | 
|  | 11 | for i := 0; i < secs; i++ { | 
|  | 12 | time.Sleep(1 * time.Second) | 
|  | 13 |  | 
|  | 14 | satisfied, err := predicate() | 
|  | 15 | if err != nil { | 
|  | 16 | return err | 
|  | 17 | } | 
|  | 18 | if satisfied { | 
|  | 19 | return nil | 
|  | 20 | } | 
|  | 21 | } | 
|  | 22 | return fmt.Errorf("Time out in WaitFor.") | 
|  | 23 | } | 
| Ash Wilson | a844064 | 2014-10-07 09:55:58 -0400 | [diff] [blame] | 24 |  | 
|  | 25 | // NormalizeURL ensures that each endpoint URL has a closing `/`, as expected by ServiceClient. | 
|  | 26 | func NormalizeURL(url string) string { | 
|  | 27 | if !strings.HasSuffix(url, "/") { | 
|  | 28 | return url + "/" | 
|  | 29 | } | 
|  | 30 | return url | 
|  | 31 | } |