From fead5872e5ca1672fda0998f8d630cd20f410e8c Mon Sep 17 00:00:00 2001
From: Luke Amdor <luke.amdor@gmail.com>
Date: Tue, 2 Dec 2014 13:53:09 -0600
Subject: [PATCH] Fix for multivars when modulestate not created yet

---
 terraform/context.go                                       | 5 ++---
 terraform/terraform_test.go                                | 3 +++
 .../test-fixtures/plan-module-multi-var/child/main.tf      | 2 ++
 terraform/test-fixtures/plan-module-multi-var/main.tf      | 7 ++++++-
 4 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/terraform/context.go b/terraform/context.go
index 91811fc91f..d45420c587 100644
--- a/terraform/context.go
+++ b/terraform/context.go
@@ -1705,7 +1705,6 @@ func (c *walkContext) computeResourceMultiVariable(
 	}
 
 	// Get the relevant module
-	// TODO: Not use only root module
 	module := c.Context.state.ModuleByPath(c.Path)
 
 	count, err := cr.Count()
@@ -1716,8 +1715,8 @@ func (c *walkContext) computeResourceMultiVariable(
 			err)
 	}
 
-	// If we have no count, return empty
-	if count == 0 {
+	// If we have no module in the state yet or count, return empty
+	if module == nil || count == 0 {
 		return "", nil
 	}
 
diff --git a/terraform/terraform_test.go b/terraform/terraform_test.go
index ac1ac0613b..7956a94d54 100644
--- a/terraform/terraform_test.go
+++ b/terraform/terraform_test.go
@@ -844,6 +844,9 @@ STATE:
 const testTerraformPlanModuleMultiVarStr = `
 DIFF:
 
+CREATE: aws_instance.parent.0
+CREATE: aws_instance.parent.1
+
 module.child:
   CREATE: aws_instance.bar.0
     baz:  "" => "baz"
diff --git a/terraform/test-fixtures/plan-module-multi-var/child/main.tf b/terraform/test-fixtures/plan-module-multi-var/child/main.tf
index ca0b9c7ed2..ad8dd6073e 100644
--- a/terraform/test-fixtures/plan-module-multi-var/child/main.tf
+++ b/terraform/test-fixtures/plan-module-multi-var/child/main.tf
@@ -1,3 +1,5 @@
+variable "things" {}
+
 resource "aws_instance" "bar" {
   baz = "baz"
   count = 2
diff --git a/terraform/test-fixtures/plan-module-multi-var/main.tf b/terraform/test-fixtures/plan-module-multi-var/main.tf
index 9b9c77f3d1..9fa2330fe1 100644
--- a/terraform/test-fixtures/plan-module-multi-var/main.tf
+++ b/terraform/test-fixtures/plan-module-multi-var/main.tf
@@ -1,4 +1,9 @@
+resource "aws_instance" "parent" {
+  count = 2
+}
+
 module "child" {
-    source = "./child"
+  source = "./child"
+  things = "${join(",", aws_instance.bar.*.private_ip)}"
 }