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terraform/helper/resource
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Paul Hinze d59db52f06 helper/resource: Fix data race in resource.Retry 
The implementation was attempting to capture the error using a scoped
variable reference, but the error value is already exposed via the
return value of `WaitForState()`. Using that instead fixes the data
race.

Fixes the following data race:

```
==================
WARNING: DATA RACE
Read by goroutine 74:
  github.com/hashicorp/terraform/helper/resource.Retry()
      /Users/phinze/go/src/github.com/hashicorp/terraform/helper/resource/wait.go:35 +0x284
  github.com/hashicorp/terraform/helper/resource.TestRetry_timeout()
      /Users/phinze/go/src/github.com/hashicorp/terraform/helper/resource/wait_test.go:35 +0x60
  testing.tRunner()
      /private/var/folders/vd/7l9ys5k57l91x63sh28wl_kc0000gn/T/workdir/go/src/testing/testing.go:456 +0xdc

Previous write by goroutine 90:
  github.com/hashicorp/terraform/helper/resource.Retry.func1()
      /Users/phinze/go/src/github.com/hashicorp/terraform/helper/resource/wait.go:20 +0x87
  github.com/hashicorp/terraform/helper/resource.(*StateChangeConf).WaitForState.func1()
      /Users/phinze/go/src/github.com/hashicorp/terraform/helper/resource/state.go:83 +0x284

Goroutine 74 (running) created at:
  testing.RunTests()
      /private/var/folders/vd/7l9ys5k57l91x63sh28wl_kc0000gn/T/workdir/go/src/testing/testing.go:561 +0xaa3
  testing.(*M).Run()
      /private/var/folders/vd/7l9ys5k57l91x63sh28wl_kc0000gn/T/workdir/go/src/testing/testing.go:494 +0xe4
  main.main()
      github.com/hashicorp/terraform/helper/resource/_test/_testmain.go:84 +0x20f

Goroutine 90 (running) created at:
  github.com/hashicorp/terraform/helper/resource.(*StateChangeConf).WaitForState()
      /Users/phinze/go/src/github.com/hashicorp/terraform/helper/resource/state.go:127 +0x283
  github.com/hashicorp/terraform/helper/resource.Retry()
      /Users/phinze/go/src/github.com/hashicorp/terraform/helper/resource/wait.go:34 +0x276
  github.com/hashicorp/terraform/helper/resource.TestRetry_timeout()
      /Users/phinze/go/src/github.com/hashicorp/terraform/helper/resource/wait_test.go:35 +0x60
  testing.tRunner()
      /private/var/folders/vd/7l9ys5k57l91x63sh28wl_kc0000gn/T/workdir/go/src/testing/testing.go:456 +0xdc
==================
```
 		2016-01-16 13:38:50 -05:00
..
id.go helper: Add resource.PrefixedUniqueId 2015-06-30 12:54:54 +01:00
id_test.go helper/resource: add UniqueId() helper 2015-04-22 12:53:05 -05:00
map.go ResourceDiff => InstanceDiff 2014-09-17 16:33:24 -07:00
map_test.go helper/resource: automatically validate resources 2014-07-08 10:17:36 -07:00
resource.go ResourceDiff => InstanceDiff 2014-09-17 16:33:24 -07:00
state.go Better document StateChangeConf.WaitForState 2015-04-28 12:33:23 -04:00
state_test.go helper/resource: add Retry function 2014-10-07 21:44:51 -07:00
testing.go refactor s3 bucket test to expect non-empty plan 2016-01-05 17:38:38 -06:00
testing_test.go helper/resource/testing: unit tests to cover #1770 2015-05-01 11:22:06 -05:00
wait.go helper/resource: Fix data race in resource.Retry 2016-01-16 13:38:50 -05:00
wait_test.go helper/resource: RetryError for quitting quickly 2014-10-17 18:28:03 -07:00