crash adding new google_container_node_pool to google_container_cluster

[james-masson]

Terraform Version

Terraform v0.10.6

Terraform Configuration Files

Problems start when I add a new nodepool to an existing GKE cluster
I can provide the full module if you need it - but crash only occurred when I added the code below.

resource "google_container_node_pool" "k8s" {
  count               = "${var.expansion_nodepools}"
  name_prefix         = "${var.cluster_name}-np${var.expansion_nodepools}-"
  zone                = "${var.region}-${element( split(",", lookup(var.zones_lookup, var.region)), 0 )}"
  cluster             = "${google_container_cluster.k8s.name}"
  initial_node_count  = "${var.expansion_nodes_per_zone}"

  node_config {

    machine_type = "${var.expansion_machine_type}"

    oauth_scopes = [
      "https://www.googleapis.com/auth/compute",
      "https://www.googleapis.com/auth/devstorage.read_only",
      "https://www.googleapis.com/auth/logging.write",
      "https://www.googleapis.com/auth/monitoring",
      "https://www.googleapis.com/auth/ndev.clouddns.readwrite"
    ]
  }
}

Crash Output

https://gist.github.com/james-masson/b38f69906412c34f50b55f10a1c320f3

Expected Behavior

Terraform applies configuration, and does not crash.

Actual Behavior

Terraform crashes - but resource is successfully created in GCE. Resource not recorded in tfstate, because of the crash.

[james-masson]

I've moved the offending code into a separate module - crash still occurs, resource is still created successfully.

It seems directly related to adding a nodepool to an existing cluster.

* google_container_node_pool.k8s: unexpected EOF

[tazjin]

I've seen this before, didn't spend too much time debugging but not using name_prefix and instead setting a fixed name helped.

[danawillow]

Yup, I'm working on a fix now but @tazjin is right- it'll work just fine if you use name for now.

[ghost]

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