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Merge pull request #10277 from hashicorp/b-lock 

terraform: write lock on post state updates
This commit is contained in:
Mitchell Hashimoto 2016-11-21 15:39:20 -08:00 committed by GitHub
parent c1e9a65cd4 b6687aa287
commit 43869c564d
1 changed files with 4 additions and 3 deletions
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7
terraform/eval_state.go
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@ -107,9 +107,10 @@ type EvalUpdateStateHook struct{}
func (n *EvalUpdateStateHook) Eval(ctx EvalContext) (interface{}, error) { func (n *EvalUpdateStateHook) Eval(ctx EvalContext) (interface{}, error) {
state, lock := ctx.State() state, lock := ctx.State()
// Get a read lock so it doesn't change while we're calling this // Get a full lock. Even calling something like WriteState can modify
lock.RLock() // (prune) the state, so we need the full lock.
defer lock.RUnlock() lock.Lock()
defer lock.Unlock()
// Call the hook // Call the hook
err := ctx.Hook(func(h Hook) (HookAction, error) { err := ctx.Hook(func(h Hook) (HookAction, error) {