core: Attach schemas to nodes created by ResourceCountTransformer

Previously we were only doing this in the case where count wasn't set at
all.

terraform/node_resource_abstract.go

@@ -182,7 +182,7 @@ func (n *NodeAbstractResource) References() []*addrs.Reference {
 		if n.Schema == nil {
 			// Should never happens, but we'll log if it does so that we can
 			// see this easily when debugging.
-			log.Printf("[WARN] no schema is attached to %s, so references cannot be detected", n.Name())
+			log.Printf("[WARN] no schema is attached to %s, so config references cannot be detected", n.Name())
 		}
 
 		refs, _ := lang.ReferencesInExpr(c.Count)
@@ -220,6 +220,13 @@ func (n *NodeAbstractResourceInstance) References() []*addrs.Reference {
 	// embedded abstract resource, which knows how to extract dependencies
 	// from configuration.
 	if n.Config != nil {
+		if n.Schema == nil {
+			// We'll produce a log message about this out here so that
+			// we can include the full instance address, since the equivalent
+			// message in NodeAbstractResource.References cannot see it.
+			log.Printf("[WARN] no schema is attached to %s, so config references cannot be detected", n.Name())
+			return nil
+		}
 		return n.NodeAbstractResource.References()
 	}
 

terraform/transform_resource_count.go

@@ -43,6 +43,7 @@ func (t *ResourceCountTransformer) Transform(g *Graph) error {
 		addr := t.Addr.Instance(key)
 
 		abstract := NewNodeAbstractResourceInstance(addr)
+		abstract.Schema = t.Schema
 		var node dag.Vertex = abstract
 		if f := t.Concrete; f != nil {
 			node = f(abstract)