| 270 | } |
| 271 | |
| 272 | func (s *ConcreteService) WaitForRunning() (err error) { |
| 273 | if !s.isExpectedRunning() { |
| 274 | return fmt.Errorf("service %s is stopped", s.Name()) |
| 275 | } |
| 276 | |
| 277 | for s.retryBackoff.Reset(); s.retryBackoff.Ongoing(); { |
| 278 | // Enforce a timeout on the command execution because we've seen some flaky tests |
| 279 | // stuck here. |
| 280 | |
| 281 | var out []byte |
| 282 | out, err = RunCommandWithTimeoutAndGetOutput(5*time.Second, "docker", "inspect", "--format={{json .State.Running}}", s.containerName()) |
| 283 | if err != nil { |
| 284 | s.retryBackoff.Wait() |
| 285 | continue |
| 286 | } |
| 287 | |
| 288 | if out == nil { |
| 289 | err = fmt.Errorf("nil output") |
| 290 | s.retryBackoff.Wait() |
| 291 | continue |
| 292 | } |
| 293 | |
| 294 | str := strings.TrimSpace(string(out)) |
| 295 | if str != "true" { |
| 296 | err = fmt.Errorf("unexpected output: %q", str) |
| 297 | s.retryBackoff.Wait() |
| 298 | continue |
| 299 | } |
| 300 | |
| 301 | return nil |
| 302 | } |
| 303 | |
| 304 | return fmt.Errorf("docker container %s failed to start: %v", s.name, err) |
| 305 | } |
| 306 | |
| 307 | func (s *ConcreteService) WaitReady() (err error) { |
| 308 | if !s.isExpectedRunning() { |