Panic in terraform-provider-google_v4.44.0_x5 plugin

[aebrahim]

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Terraform Version

1.3.2

Affected Resource(s)

Unknown

Terraform Configuration Files

variable "project_id" {
  type    = string
  default = "my-project-id"
}

variable "region" {
  type        = string
  description = "Main location for resources"
  default     = "us-central1"
}

variable "container" {
  type        = string
  description = "Full path of Docker container to deploy"
}

resource "google_compute_network" "vpc" {
  provider                = google-beta
  project                 = var.project_id
  routing_mode            = "GLOBAL"
  auto_create_subnetworks = true
  name                    = "vpc"
}

resource "google_compute_global_address" "private_ip_block" {
  name          = "private-ip-block"
  purpose       = "VPC_PEERING"
  address_type  = "INTERNAL"
  ip_version    = "IPV4"
  prefix_length = 20
  network       = google_compute_network.vpc.self_link
}

resource "google_service_networking_connection" "private_vpc_connection" {
  network                 = google_compute_network.vpc.self_link
  service                 = "servicenetworking.googleapis.com"
  reserved_peering_ranges = [google_compute_global_address.private_ip_block.name]
}

resource "google_vpc_access_connector" "connector" {
  name          = "vpcconn"
  project       = var.project_id
  provider      = google-beta
  region        = var.region
  ip_cidr_range = "10.8.0.0/28"
  network       = google_compute_network.vpc.name
}

resource "google_compute_subnetwork" "bastion_subnet" {
  project                  = var.project_id
  name                     = "bastion-subnet"
  region                   = var.region
  ip_cidr_range            = "10.127.0.0/20"
  network                  = google_compute_network.vpc.self_link
  private_ip_google_access = true
}

module "gce-container" {
  source  = "terraform-google-modules/container-vm/google"
  version = ">=3.0.0, <4.0"

  container = {
    image = var.container
    tty   = true

    env = [
      {
        name  = "DEBUG"
        value = (local.debug) ? "true" : "false"
      }
    ]

    command = ["sleep", "infinity"]
  }

  restart_policy = "Always"
}


module "iap_bastion" {
  source       = "terraform-google-modules/bastion-host/google"
  version      = ">=5.0.0, <6.0"
  project      = var.project_id
  network      = google_compute_network.vpc.self_link
  subnet       = google_compute_subnetwork.bastion_subnet.self_link
  host_project = var.project_id

  image_project = "cos-cloud"
  image_family  = "cos-97-lts"
  preemptible   = false
  metadata = {
    gce-container-declaration = module.gce-container.metadata_value
  }
  labels = {
    container-vm = module.gce-container.vm_container_label
  }
  members = [
    local.debug ? "domain:example.com" : "group:[email protected]",
  ]
  startup_script = <<-EOT
  docker image prune -af
  EOT
}

resource "google_project_iam_member" "bastion_permissions_sql_connect" {
  project = var.project_id
  member  = "serviceAccount:${module.iap_bastion.service_account}"
  role    = "roles/cloudsql.client"
}

resource "google_project_iam_member" "bastion_permissions_sql_login" {
  project = var.project_id
  member  = "serviceAccount:${module.iap_bastion.service_account}"
  role    = "roles/cloudsql.instanceUser"
}

Panic Output

module.iap_bastion.module.instance_template.google_compute_instance_template.tpl: Creating...
╷
│ Error: Request cancelled
│ 
│   with module.iap_bastion.module.instance_template.google_compute_instance_template.tpl,
│   on .terraform/modules/iap_bastion.instance_template/modules/instance_template/main.tf line 62, in resource "google_compute_instance_template" "tpl":
│   62: resource "google_compute_instance_template" "tpl" {
│ 
│ The plugin.(*GRPCProvider).ApplyResourceChange request was cancelled.
╵

Stack trace from the terraform-provider-google_v4.44.0_x5 plugin:

panic: interface conversion: interface {} is nil, not int

goroutine 823 [running]:
github.com/hashicorp/terraform-provider-google/google.expandAdvancedMachineFeatures({0x32a1a98, 0xc000b07e00})
	github.com/hashicorp/terraform-provider-google/google/compute_instance_helpers.go:399 +0x171
github.com/hashicorp/terraform-provider-google/google.resourceComputeInstanceTemplateCreate(0x0?, {0x2d22880?, 0xc000d56000})
	github.com/hashicorp/terraform-provider-google/google/resource_compute_instance_template.go:1022 +0x3a5
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*Resource).create(0x329c660?, {0x329c660?, 0xc000b40e40?}, 0xd?, {0x2d22880?, 0xc000d56000?})
	github.com/hashicorp/terraform-plugin-sdk/[email protected]/helper/schema/resource.go:695 +0x178
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*Resource).Apply(0xc00023a620, {0x329c660, 0xc000b40e40}, 0xc0007e4680, 0xc000b07b00, {0x2d22880, 0xc000d56000})
	github.com/hashicorp/terraform-plugin-sdk/[email protected]/helper/schema/resource.go:837 +0xa7a
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*GRPCProviderServer).ApplyResourceChange(0xc0008ab5c0, {0x329c660?, 0xc000b40d80?}, 0xc000c5d630)
	github.com/hashicorp/terraform-plugin-sdk/[email protected]/helper/schema/grpc_provider.go:1021 +0xe3c
github.com/hashicorp/terraform-plugin-go/tfprotov5/tf5server.(*server).ApplyResourceChange(0xc0000b2140, {0x329c660?, 0xc000b40570?}, 0xc0009d37a0)
	github.com/hashicorp/[email protected]/tfprotov5/tf5server/server.go:813 +0x4fc
github.com/hashicorp/terraform-plugin-go/tfprotov5/internal/tfplugin5._Provider_ApplyResourceChange_Handler({0x2cb4f00?, 0xc0000b2140}, {0x329c660, 0xc000b40570}, 0xc0009d3730, 0x0)
	github.com/hashicorp/[email protected]/tfprotov5/internal/tfplugin5/tfplugin5_grpc.pb.go:385 +0x170
google.golang.org/grpc.(*Server).processUnaryRPC(0xc0000001e0, {0x32a1af8, 0xc000658b60}, 0xc000a73e60, 0xc00066f950, 0x[440](https://github.com/DelfinaCare/gaia/actions/runs/3518071851/jobs/5898106596#step:8:441)ef40, 0x0)
	google.golang.org/[email protected]/server.go:1340 +0xd13
google.golang.org/grpc.(*Server).handleStream(0xc0000001e0, {0x32a1af8, 0xc000658b60}, 0xc000a73e60, 0x0)
	google.golang.org/[email protected]/server.go:1713 +0xa1b
google.golang.org/grpc.(*Server).serveStreams.func1.2()
	google.golang.org/[email protected]/server.go:965 +0x98
created by google.golang.org/grpc.(*Server).serveStreams.func1
	google.golang.org/[email protected]/server.go:963 +0x28a

Error: The terraform-provider-google_v4.44.0_x5 plugin crashed!

This is always indicative of a bug within the plugin. It would be immensely
helpful if you could report the crash with the plugin's maintainers so that it
can be fixed. The output above should help diagnose the issue.

[slevenick]

Can you reproduce this without a module? I'd like to test this out and see how we missed this bug in the test/release process.

[slevenick]

I'll be releasing 4.44.1 today if everything goes according to plan to fix this issue

[github-actions]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.