provider/aws: fix for #915 - aws_elb.health_check attributes does not update during update

builtin/providers/aws/resource_aws_elb.go

@@ -331,6 +331,28 @@ func resourceAwsElbUpdate(d *schema.ResourceData, meta interface{}) error {
 		d.SetPartial("cross_zone_load_balancing")
 	}
 
+	if d.HasChange("health_check") {
+		vs := d.Get("health_check").(*schema.Set).List()
+		if len(vs) > 0 {
+			check := vs[0].(map[string]interface{})
+			configureHealthCheckOpts := elb.ConfigureHealthCheck{
+				LoadBalancerName: d.Id(),
+				Check: elb.HealthCheck{
+					HealthyThreshold:   int64(check["healthy_threshold"].(int)),
+					UnhealthyThreshold: int64(check["unhealthy_threshold"].(int)),
+					Interval:           int64(check["interval"].(int)),
+					Target:             check["target"].(string),
+					Timeout:            int64(check["timeout"].(int)),
+				},
+			}
+			_, err := elbconn.ConfigureHealthCheck(&configureHealthCheckOpts)
+			if err != nil {
+				return fmt.Errorf("Failure configuring health check: %s", err)
+			}
+			d.SetPartial("health_check")
+		}
+	}
+
 	d.Partial(false)
 	return resourceAwsElbRead(d, meta)
 }

builtin/providers/aws/resource_aws_elb_test.go

@@ -152,6 +152,31 @@ func TestAccAWSELB_HealthCheck(t *testing.T) {
 		},
 	})
 }
+
+func TestAccAWSELBUpdate_HealthCheck(t *testing.T) {
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckAWSELBDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccAWSELBConfigHealthCheck,
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(
+						"aws_elb.bar", "health_check.3484319807.healthy_threshold", "5"),
+				),
+			},
+			resource.TestStep{
+				Config: testAccAWSELBConfigHealthCheck_update,
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(
+						"aws_elb.bar", "health_check.2648756019.healthy_threshold", "10"),
+				),
+			},
+		},
+	})
+}
+
 func testAccCheckAWSELBDestroy(s *terraform.State) error {
 	conn := testAccProvider.Meta().(*AWSClient).elbconn
 
@@ -418,3 +443,25 @@ resource "aws_elb" "bar" {
   }
 }
 `
+
+const testAccAWSELBConfigHealthCheck_update = `
+resource "aws_elb" "bar" {
+  name = "foobar-terraform-test"
+  availability_zones = ["us-west-2a"]
+
+  listener {
+    instance_port = 8000
+    instance_protocol = "http"
+    lb_port = 80
+    lb_protocol = "http"
+  }
+
+  health_check {
+    healthy_threshold = 10
+    unhealthy_threshold = 5
+    target = "HTTP:8000/"
+    interval = 60
+    timeout = 30
+  }
+}
+`