terraform: PostApply should get error result from Apply

command/hook_count.go

@@ -62,12 +62,16 @@ func (h *CountHook) PreApply(
 
 func (h *CountHook) PostApply(
 	id string,
-	s *terraform.ResourceState) (terraform.HookAction, error) {
+	s *terraform.ResourceState,
+	e error) (terraform.HookAction, error) {
 	h.Lock()
 	defer h.Unlock()
 
 	if h.pending != nil {
 		if a, ok := h.pending[id]; ok {
+			delete(h.pending, id)
+
+			if e == nil {
 				switch a {
 				case countHookActionAdd:
 					h.Added += 1
@@ -78,6 +82,7 @@ func (h *CountHook) PostApply(
 				}
 			}
 		}
+	}
 
 	return terraform.HookActionContinue, nil
 }

terraform/context.go

@@ -547,7 +547,7 @@ func (c *Context) applyWalkFn() depgraph.WalkFunc {
 		r.State = rs
 
 		for _, h := range c.hooks {
-			handleHook(h.PostApply(r.Id, r.State))
+			handleHook(h.PostApply(r.Id, r.State, applyerr))
 		}
 
 		// Determine the new state and update variables

terraform/hook.go

@@ -22,9 +22,10 @@ const (
 // nothing. Then, override only the functions you want to implement.
 type Hook interface {
 	// PreApply and PostApply are called before and after a single
-	// resource is applied.
+	// resource is applied. The error argument in PostApply is the
+	// error, if any, that was returned from the provider Apply call itself.
 	PreApply(string, *ResourceState, *ResourceDiff) (HookAction, error)
-	PostApply(string, *ResourceState) (HookAction, error)
+	PostApply(string, *ResourceState, error) (HookAction, error)
 
 	// PreDiff and PostDiff are called before and after a single resource
 	// resource is diffed.
@@ -46,7 +47,7 @@ func (*NilHook) PreApply(string, *ResourceState, *ResourceDiff) (HookAction, err
 	return HookActionContinue, nil
 }
 
-func (*NilHook) PostApply(string, *ResourceState) (HookAction, error) {
+func (*NilHook) PostApply(string, *ResourceState, error) (HookAction, error) {
 	return HookActionContinue, nil
 }
 

terraform/hook_mock.go

@@ -13,8 +13,9 @@ type MockHook struct {
 	PostApplyCalled      bool
 	PostApplyId          string
 	PostApplyState       *ResourceState
-	PostApplyReturn HookAction
 	PostApplyError       error
+	PostApplyReturn      HookAction
+	PostApplyReturnError error
 
 	PreDiffCalled bool
 	PreDiffId     string
@@ -49,11 +50,12 @@ func (h *MockHook) PreApply(n string, s *ResourceState, d *ResourceDiff) (HookAc
 	return h.PreApplyReturn, h.PreApplyError
 }
 
-func (h *MockHook) PostApply(n string, s *ResourceState) (HookAction, error) {
+func (h *MockHook) PostApply(n string, s *ResourceState, e error) (HookAction, error) {
 	h.PostApplyCalled = true
 	h.PostApplyId = n
 	h.PostApplyState = s
-	return h.PostApplyReturn, h.PostApplyError
+	h.PostApplyError = e
+	return h.PostApplyReturn, h.PostApplyReturnError
 }
 
 func (h *MockHook) PreDiff(n string, s *ResourceState) (HookAction, error) {

terraform/hook_stop.go

@@ -14,7 +14,7 @@ func (h *stopHook) PreApply(string, *ResourceState, *ResourceDiff) (HookAction,
 	return h.hook()
 }
 
-func (h *stopHook) PostApply(string, *ResourceState) (HookAction, error) {
+func (h *stopHook) PostApply(string, *ResourceState, error) (HookAction, error) {
 	return h.hook()
 }