Ignore AMI changing on worker launch config

Prevents terraform from recreating the resource when a new CoreOS release comes out. This an extension of the same changes done to etcd and masters in #367
coreos · Apr 27, 2017 · d925abe · d925abe
1 parent 149477e
commit d925abe
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/modules/aws/worker-asg/worker.tf b/modules/aws/worker-asg/worker.tf
@@ -33,6 +33,10 @@ resource "aws_launch_configuration" "worker_conf" {
 
   lifecycle {
     create_before_destroy = true
+    # Ignore changes in the AMI which force recreation of the resource. This
+    # avoids accidental deletion of nodes whenever a new CoreOS Release comes
+    # out.
+    ignore_changes        = ["image_id"]
   }
 
   root_block_device {