evaluate vars and outputs during import

Outputs were not being evaluated during import, because it was not added
to the walk filter.

Remove any unnecessary walk filters from all the Execute nodes.

terraform/context_eval_test.go

@@ -38,7 +38,7 @@ func TestContextEval(t *testing.T) {
 		},
 		{
 			`module.child.result`,
-			cty.UnknownVal(cty.Number),
+			cty.NumberIntVal(6),
 			false,
 		},
 	}

terraform/node_module_variable.go

@@ -153,13 +153,13 @@ func (n *nodeModuleVariable) Execute(ctx EvalContext, op walkOperation) error {
 	var err error
 
 	switch op {
-	case walkPlan, walkApply, walkDestroy:
-		vals, err = n.EvalModuleCallArgument(ctx, false)
+	case walkValidate:
+		vals, err = n.EvalModuleCallArgument(ctx, true)
 		if err != nil {
 			return err
 		}
-	case walkValidate:
-		vals, err = n.EvalModuleCallArgument(ctx, true)
+	default:
+		vals, err = n.EvalModuleCallArgument(ctx, false)
 		if err != nil {
 			return err
 		}

terraform/node_output.go

@@ -199,61 +199,55 @@ func (n *NodeApplyableOutput) References() []*addrs.Reference {
 
 // GraphNodeExecutable
 func (n *NodeApplyableOutput) Execute(ctx EvalContext, op walkOperation) error {
-	switch op {
-	// Everything except walkImport
-	case walkEval, walkPlan, walkApply, walkValidate, walkDestroy, walkPlanDestroy:
-		// This has to run before we have a state lock, since evaluation also
-		// reads the state
-		val, diags := ctx.EvaluateExpr(n.Config.Expr, cty.DynamicPseudoType, nil)
-		// We'll handle errors below, after we have loaded the module.
+	// This has to run before we have a state lock, since evaluation also
+	// reads the state
+	val, diags := ctx.EvaluateExpr(n.Config.Expr, cty.DynamicPseudoType, nil)
+	// We'll handle errors below, after we have loaded the module.
 
-		// Outputs don't have a separate mode for validation, so validate
-		// depends_on expressions here too
-		diags = diags.Append(validateDependsOn(ctx, n.Config.DependsOn))
+	// Outputs don't have a separate mode for validation, so validate
+	// depends_on expressions here too
+	diags = diags.Append(validateDependsOn(ctx, n.Config.DependsOn))
 
-		// Ensure that non-sensitive outputs don't include sensitive values
-		_, marks := val.UnmarkDeep()
-		_, hasSensitive := marks["sensitive"]
-		if !n.Config.Sensitive && hasSensitive {
-			diags = diags.Append(&hcl.Diagnostic{
-				Severity: hcl.DiagError,
-				Summary:  "Output refers to sensitive values",
-				Detail:   "Expressions used in outputs can only refer to sensitive values if the sensitive attribute is true.",
-				Subject:  n.Config.DeclRange.Ptr(),
-			})
-		}
+	// Ensure that non-sensitive outputs don't include sensitive values
+	_, marks := val.UnmarkDeep()
+	_, hasSensitive := marks["sensitive"]
+	if !n.Config.Sensitive && hasSensitive {
+		diags = diags.Append(&hcl.Diagnostic{
+			Severity: hcl.DiagError,
+			Summary:  "Output refers to sensitive values",
+			Detail:   "Expressions used in outputs can only refer to sensitive values if the sensitive attribute is true.",
+			Subject:  n.Config.DeclRange.Ptr(),
+		})
+	}
 
-		state := ctx.State()
-		if state == nil {
-			return nil
-		}
-
-		changes := ctx.Changes() // may be nil, if we're not working on a changeset
-
-		// handling the interpolation error
-		if diags.HasErrors() {
-			if flagWarnOutputErrors {
-				log.Printf("[ERROR] Output interpolation %q failed: %s", n.Addr, diags.Err())
-				// if we're continuing, make sure the output is included, and
-				// marked as unknown. If the evaluator was able to find a type
-				// for the value in spite of the error then we'll use it.
-				n.setValue(state, changes, cty.UnknownVal(val.Type()))
-				return EvalEarlyExitError{}
-			}
-			return diags.Err()
-		}
-		n.setValue(state, changes, val)
-
-		// If we were able to evaluate a new value, we can update that in the
-		// refreshed state as well.
-		if state = ctx.RefreshState(); state != nil && val.IsWhollyKnown() {
-			n.setValue(state, changes, val)
-		}
-
-		return nil
-	default:
+	state := ctx.State()
+	if state == nil {
 		return nil
 	}
+
+	changes := ctx.Changes() // may be nil, if we're not working on a changeset
+
+	// handling the interpolation error
+	if diags.HasErrors() {
+		if flagWarnOutputErrors {
+			log.Printf("[ERROR] Output interpolation %q failed: %s", n.Addr, diags.Err())
+			// if we're continuing, make sure the output is included, and
+			// marked as unknown. If the evaluator was able to find a type
+			// for the value in spite of the error then we'll use it.
+			n.setValue(state, changes, cty.UnknownVal(val.Type()))
+			return EvalEarlyExitError{}
+		}
+		return diags.Err()
+	}
+	n.setValue(state, changes, val)
+
+	// If we were able to evaluate a new value, we can update that in the
+	// refreshed state as well.
+	if state = ctx.RefreshState(); state != nil && val.IsWhollyKnown() {
+		n.setValue(state, changes, val)
+	}
+
+	return nil
 }
 
 // dag.GraphNodeDotter impl.

terraform/node_resource_destroy.go

@@ -136,133 +136,130 @@ func (n *NodeDestroyResourceInstance) Execute(ctx EvalContext, op walkOperation)
 	var state *states.ResourceInstanceObject
 	var provisionerErr error
 
-	switch op {
-	case walkApply, walkDestroy:
-		provider, providerSchema, err := GetProvider(ctx, n.ResolvedProvider)
+	provider, providerSchema, err := GetProvider(ctx, n.ResolvedProvider)
+	if err != nil {
+		return err
+	}
+
+	changeApply, err = n.readDiff(ctx, providerSchema)
+	if err != nil {
+		return err
+	}
+
+	evalReduceDiff := &EvalReduceDiff{
+		Addr:      addr.Resource,
+		InChange:  &changeApply,
+		Destroy:   true,
+		OutChange: &changeApply,
+	}
+	_, err = evalReduceDiff.Eval(ctx)
+	if err != nil {
+		return err
+	}
+
+	// EvalReduceDiff may have simplified our planned change
+	// into a NoOp if it does not require destroying.
+	if changeApply == nil || changeApply.Action == plans.NoOp {
+		return EvalEarlyExitError{}
+	}
+
+	state, err = n.ReadResourceInstanceState(ctx, addr)
+	if err != nil {
+		return err
+	}
+
+	// Exit early if the state object is null after reading the state
+	if state == nil || state.Value.IsNull() {
+		return EvalEarlyExitError{}
+	}
+
+	evalApplyPre := &EvalApplyPre{
+		Addr:   addr.Resource,
+		State:  &state,
+		Change: &changeApply,
+	}
+	_, err = evalApplyPre.Eval(ctx)
+	if err != nil {
+		return err
+	}
+
+	// Run destroy provisioners if not tainted
+	if state != nil && state.Status != states.ObjectTainted {
+		evalApplyProvisioners := &EvalApplyProvisioners{
+			Addr:           addr.Resource,
+			State:          &state,
+			ResourceConfig: n.Config,
+			Error:          &provisionerErr,
+			When:           configs.ProvisionerWhenDestroy,
+		}
+		_, err := evalApplyProvisioners.Eval(ctx)
 		if err != nil {
 			return err
 		}
-
-		changeApply, err = n.readDiff(ctx, providerSchema)
-		if err != nil {
-			return err
-		}
-
-		evalReduceDiff := &EvalReduceDiff{
-			Addr:      addr.Resource,
-			InChange:  &changeApply,
-			Destroy:   true,
-			OutChange: &changeApply,
-		}
-		_, err = evalReduceDiff.Eval(ctx)
-		if err != nil {
-			return err
-		}
-
-		// EvalReduceDiff may have simplified our planned change
-		// into a NoOp if it does not require destroying.
-		if changeApply == nil || changeApply.Action == plans.NoOp {
-			return EvalEarlyExitError{}
-		}
-
-		state, err = n.ReadResourceInstanceState(ctx, addr)
-		if err != nil {
-			return err
-		}
-
-		// Exit early if the state object is null after reading the state
-		if state == nil || state.Value.IsNull() {
-			return EvalEarlyExitError{}
-		}
-
-		evalApplyPre := &EvalApplyPre{
-			Addr:   addr.Resource,
-			State:  &state,
-			Change: &changeApply,
-		}
-		_, err = evalApplyPre.Eval(ctx)
-		if err != nil {
-			return err
-		}
-
-		// Run destroy provisioners if not tainted
-		if state != nil && state.Status != states.ObjectTainted {
-			evalApplyProvisioners := &EvalApplyProvisioners{
-				Addr:           addr.Resource,
-				State:          &state,
-				ResourceConfig: n.Config,
-				Error:          &provisionerErr,
-				When:           configs.ProvisionerWhenDestroy,
+		if provisionerErr != nil {
+			// If we have a provisioning error, then we just call
+			// the post-apply hook now.
+			evalApplyPost := &EvalApplyPost{
+				Addr:  addr.Resource,
+				State: &state,
+				Error: &provisionerErr,
 			}
-			_, err := evalApplyProvisioners.Eval(ctx)
+			_, err = evalApplyPost.Eval(ctx)
 			if err != nil {
 				return err
 			}
-			if provisionerErr != nil {
-				// If we have a provisioning error, then we just call
-				// the post-apply hook now.
-				evalApplyPost := &EvalApplyPost{
-					Addr:  addr.Resource,
-					State: &state,
-					Error: &provisionerErr,
-				}
-				_, err = evalApplyPost.Eval(ctx)
-				if err != nil {
-					return err
-				}
-			}
 		}
+	}
 
-		// Managed resources need to be destroyed, while data sources
-		// are only removed from state.
-		if addr.Resource.Resource.Mode == addrs.ManagedResourceMode {
-			evalApply := &EvalApply{
-				Addr:           addr.Resource,
-				Config:         nil, // No configuration because we are destroying
-				State:          &state,
-				Change:         &changeApply,
-				Provider:       &provider,
-				ProviderAddr:   n.ResolvedProvider,
-				ProviderMetas:  n.ProviderMetas,
-				ProviderSchema: &providerSchema,
-				Output:         &state,
-				Error:          &provisionerErr,
-			}
-			_, err = evalApply.Eval(ctx)
-			if err != nil {
-				return err
-			}
-
-			evalWriteState := &EvalWriteState{
-				Addr:           addr.Resource,
-				ProviderAddr:   n.ResolvedProvider,
-				ProviderSchema: &providerSchema,
-				State:          &state,
-			}
-			_, err = evalWriteState.Eval(ctx)
-			if err != nil {
-				return err
-			}
-		} else {
-			log.Printf("[TRACE] NodeDestroyResourceInstance: removing state object for %s", n.Addr)
-			state := ctx.State()
-			state.SetResourceInstanceCurrent(n.Addr, nil, n.ResolvedProvider)
+	// Managed resources need to be destroyed, while data sources
+	// are only removed from state.
+	if addr.Resource.Resource.Mode == addrs.ManagedResourceMode {
+		evalApply := &EvalApply{
+			Addr:           addr.Resource,
+			Config:         nil, // No configuration because we are destroying
+			State:          &state,
+			Change:         &changeApply,
+			Provider:       &provider,
+			ProviderAddr:   n.ResolvedProvider,
+			ProviderMetas:  n.ProviderMetas,
+			ProviderSchema: &providerSchema,
+			Output:         &state,
+			Error:          &provisionerErr,
 		}
-
-		evalApplyPost := &EvalApplyPost{
-			Addr:  addr.Resource,
-			State: &state,
-			Error: &provisionerErr,
-		}
-		_, err = evalApplyPost.Eval(ctx)
+		_, err = evalApply.Eval(ctx)
 		if err != nil {
 			return err
 		}
 
-		err = UpdateStateHook(ctx)
+		evalWriteState := &EvalWriteState{
+			Addr:           addr.Resource,
+			ProviderAddr:   n.ResolvedProvider,
+			ProviderSchema: &providerSchema,
+			State:          &state,
+		}
+		_, err = evalWriteState.Eval(ctx)
 		if err != nil {
 			return err
 		}
+	} else {
+		log.Printf("[TRACE] NodeDestroyResourceInstance: removing state object for %s", n.Addr)
+		state := ctx.State()
+		state.SetResourceInstanceCurrent(n.Addr, nil, n.ResolvedProvider)
+	}
+
+	evalApplyPost := &EvalApplyPost{
+		Addr:  addr.Resource,
+		State: &state,
+		Error: &provisionerErr,
+	}
+	_, err = evalApplyPost.Eval(ctx)
+	if err != nil {
+		return err
+	}
+
+	err = UpdateStateHook(ctx)
+	if err != nil {
+		return err
 	}
 
 	return nil

terraform/node_resource_destroy_deposed.go

@@ -76,44 +76,41 @@ func (n *NodePlanDeposedResourceInstanceObject) Execute(ctx EvalContext, op walk
 	var change *plans.ResourceInstanceChange
 	var state *states.ResourceInstanceObject
 
-	switch op {
-	case walkPlan, walkPlanDestroy:
-
-		readStateDeposed := &EvalReadStateDeposed{
-			Addr:           addr.Resource,
-			Output:         &state,
-			Key:            n.DeposedKey,
-			Provider:       &provider,
-			ProviderSchema: &providerSchema,
-		}
-		_, err = readStateDeposed.Eval(ctx)
-		if err != nil {
-			return err
-		}
-
-		diffDestroy := &EvalDiffDestroy{
-			Addr:         addr.Resource,
-			ProviderAddr: n.ResolvedProvider,
-			DeposedKey:   n.DeposedKey,
-			State:        &state,
-			Output:       &change,
-		}
-		_, err = diffDestroy.Eval(ctx)
-		if err != nil {
-			return err
-		}
-
-		writeDiff := &EvalWriteDiff{
-			Addr:           addr.Resource,
-			DeposedKey:     n.DeposedKey,
-			ProviderSchema: &providerSchema,
-			Change:         &change,
-		}
-		_, err = writeDiff.Eval(ctx)
-		if err != nil {
-			return err
-		}
+	readStateDeposed := &EvalReadStateDeposed{
+		Addr:           addr.Resource,
+		Output:         &state,
+		Key:            n.DeposedKey,
+		Provider:       &provider,
+		ProviderSchema: &providerSchema,
 	}
+	_, err = readStateDeposed.Eval(ctx)
+	if err != nil {
+		return err
+	}
+
+	diffDestroy := &EvalDiffDestroy{
+		Addr:         addr.Resource,
+		ProviderAddr: n.ResolvedProvider,
+		DeposedKey:   n.DeposedKey,
+		State:        &state,
+		Output:       &change,
+	}
+	_, err = diffDestroy.Eval(ctx)
+	if err != nil {
+		return err
+	}
+
+	writeDiff := &EvalWriteDiff{
+		Addr:           addr.Resource,
+		DeposedKey:     n.DeposedKey,
+		ProviderSchema: &providerSchema,
+		Change:         &change,
+	}
+	_, err = writeDiff.Eval(ctx)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 

terraform/transform_reference.go

@@ -301,7 +301,7 @@ func (m ReferenceMap) References(v dag.Vertex) []dag.Vertex {
 			case addrs.ModuleCallInstance:
 				subject = ri.Call
 			default:
-				log.Printf("[WARN] ReferenceTransformer: reference not found: %q", subject)
+				log.Printf("[INFO] ReferenceTransformer: reference not found: %q", subject)
 				continue
 			}
 			key = m.referenceMapKey(v, subject)