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Terraform Google Provider Version 2 Upgrade Guide
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Terraform Google Provider Version 2 Upgrade Guide

Terraform Google Provider Version 2 Upgrade Guide

Version 2.0.0 of the Google provider for Terraform is a major release and includes some changes that you will need to consider when upgrading. This guide is intended to help with that process and focuses only on changes from version 1.19.1 to version 2.0.0.

Most of the changes outlined in this guide have been previously marked as deprecated in the Terraform plan/apply output throughout previous provider releases, up to and including 1.19.1. These changes, such as deprecation notices, can always be found in the Terraform Google Provider CHANGELOG.

Upgrade topics:

Provider Version Configuration

!> WARNING: This topic is placeholder documentation until version 2.0.0 is released later this year.

-> Before upgrading to version 2.0.0, it is recommended to upgrade to the most recent version of the provider (1.19.1) and ensure that your environment successfully runs terraform plan without unexpected changes or deprecation notices.

It is recommended to use version constraints when configuring Terraform providers. If you are following that recommendation, update the version constraints in your Terraform configuration and run terraform init to download the new version.

For example, given this previous configuration:

provider "google" {
  # ... other configuration ...

  version = "~> 1.19.0"
}

An updated configuration:

provider "google" {
  # ... other configuration ...

  version = "~> 2.0.0"
}

google-beta provider

The google-beta provider is now necessary to be able to configure resources with beta features. This new provider enables full import support of beta features and gives users who wish to use only the most stable APIs and features more confidence that they are doing so by continuing to use the google provider.

Beta GCP Features have no deprecation policy and no SLA, but are otherwise considered to be feature-complete with only minor outstanding issues after their Alpha period. Beta is when GCP features are publicly announced, and is when they generally become publicly available. For more information see the official documentation on GCP launch stages.

Because the API for beta features can change before their GA launch, there may be breaking changes in the google-beta provider in minor release versions. These changes will be announced in the Terraform google-beta Provider CHANGELOG.

To have resources at different API versions, set up provider blocks for each version:

provider "google" {
  credentials = "${file("account.json")}"
  project     = "my-project-id"
  region      = "us-central1"
}

provider "google-beta" {
  credentials = "${file("account.json")}"
  project     = "my-project-id"
  region      = "us-central1"
}

In each resource, state which provider that resource should be used with:

resource "google_compute_instance" "ga-instance" {
  provider = "google"

  # ...
}

resource "google_compute_instance" "beta-instance" {
  provider = "google-beta"

  # ...
}

See Provider Versions for more details on how to use google-beta.

Open in Cloud Shell

2.0.0 is the first release including Open in Cloud Shell. Examples in the documentation for Magic Modules resources now have Open in Cloud Shell links in their documentation that open them in an interactive editor and shell - all without leaving the browser. See the blog post announcing the feature for more details.

Data Sources

See the Resource sections in this document for properties that may have been removed.

Resource: google_bigquery_dataset

access is now a Set

The order of entries in access no longer matters. Any configurations that interpolate based on an item at a specific index will need to be updated, as items may have been reordered.

Resource: google_bigtable_instance

cluster_id, zone, num_nodes, and storage_type have moved into a cluster block

Example previous configuration:

resource "google_bigtable_instance" "instance" {
  name         = "tf-instance"
  cluster_id   = "tf-instance-cluster"
  zone         = "us-central1-b"
  num_nodes    = 3
  storage_type = "HDD"
}

Example updated configuration:

resource "google_bigtable_instance" "instance" {
  name = "tf-instance"
  cluster {
    cluster_id   = "tf-instance-cluster"
    zone         = "us-central1-b"
    num_nodes    = 3
    storage_type = "HDD"
  }
}

zone is no longer inferred from the provider

cluster.zone is now required, even if the provider block has a zone set.

Resource: google_binary_authorization_attestor

binary authorization resources have been removed from the GA provider

Use the google-beta provider to use these resources.

Resource: google_binary_authorization_policy

binary authorization resources have been removed from the GA provider

Use the google-beta provider to use these resources.

Resource: google_cloudfunctions_function

trigger_bucket, trigger_topic, and retry_on_failure have been removed

Use the event_trigger block instead.

Example updated configuration:

resource "google_cloudfunctions_function" "function" {
  name                  = "example-function"
  available_memory_mb   = 128
  source_archive_bucket = "${google_storage_bucket.bucket.name}"
  source_archive_object = "${google_storage_bucket_object.archive.name}"
  timeout               = 61
  entry_point           = "helloGCS"

  event_trigger {
    event_type = "providers/cloud.storage/eventTypes/object.change"
    resource   = "${google_storage_bucket.bucket.name}"
    failure_policy {
      retry = true
    }
  }
}

resource "google_storage_bucket" "bucket" {
  name = "example-bucket"
}

resource "google_storage_bucket_object" "archive" {
  name   = "index.zip"
  bucket = "${google_storage_bucket.bucket.name}"
  source = "path/to/source.zip"
}

See the documentation at google_cloudfunctions_function for more details.

Resource: google_compute_backend_service

custom_request_headers has been removed from the GA provider

Use the google-beta provider to set this field.

Resource: google_compute_disk

disk_encryption_key_raw and disk_encryption_key_sha256 have been removed.

Use the disk_encryption_key block instead:

data "google_compute_image" "my_image" {
  family  = "debian-9"
  project = "debian-cloud"
}

resource "google_compute_disk" "foobar" {
  name = "example-disk"
  image = "${data.google_compute_image.my_image.self_link}"
  size = 50
  type = "pd-ssd"
  zone = "us-central1-a"
  disk_encryption_key {
    raw_key = "SGVsbG8gZnJvbSBHb29nbGUgQ2xvdWQgUGxhdGZvcm0="
  }
}

Resource: google_compute_global_forwarding_rule

labels has been removed from the GA provider

Use the google-beta provider to set this field.

Resource: google_compute_image

create_timeout has been removed

Use the standard timeouts block instead.

Resource: google_compute_instance

create_timeout has been removed

Use the standard timeouts block instead.

metadata is now authoritative

Terraform will remove values not explicitly set in this field. Any metadata values that were added outside of Terraform should be added to the config.

network has been removed

Use network_interface instead.

network_interface.*.address has been removed

Use network_interface.*.network_ip instead.

Resource: google_compute_instance_from_template

metadata is now authoritative

Terraform will remove values not explicitly set in this field. Any metadata values that were added outside of Terraform should be added to the config.

Resource: google_compute_instance_group_manager

version, auto_healing_policies, rolling_update_policy have been removed from the GA provider

Use the google-beta provider to use these fields. rolling_update_policy has been renamed to update_policy in google-beta.

Resource: google_compute_project_metadata

metadata is now authoritative

Terraform will remove values not explicitly set in this field. Any metadata values that were added outside of Terraform should be added to the config.

Resource: google_compute_region_instance_group_manager

version, auto_healing_policies, rolling_update_policy have been removed from the GA provider

Use the google-beta provider to use these fields. rolling_update_policy has been renamed to update_policy in google-beta.

update_strategy no longer has any effect and is deprecated

With rolling_update_policy removed, update_strategy has no effect anymore. Remove it from your config at your convenience.

Resource: google_compute_subnetwork_iam_*

subnetwork IAM resources have been removed from the GA provider

Use the google-beta provider to use these resources.

Resource: google_compute_target_pool

instances is now a Set

The order of entries in instances no longer matters. Any configurations that interpolate based on an item at a specific index will need to be updated, as items may have been reordered.

Resource: google_compute_url_map

host_rule, path_matcher, and test are now authoritative

Terraform will remove values not explicitly set in these fields. Any host_rule, path_matcher, or test values that were added outside of Terraform should be added to the config.

Resource: google_container_analysis_note

container analysis resources have been removed from the GA provider

Use the google-beta provider to use these resources.

Resource: google_container_cluster

enable_binary_authorization, enable_tpu, pod_security_policy_config, private_cluster, and master_ipv4_cidr_block, node_config.taints, node_config.workload_metadata_config have been removed from the GA provider

Use the google-beta provider to set these fields.

Resource: google_container_node_pool

max_pods_per_node, node_config.taints, node_config.workload_metadata_config have been removed from the GA provider

Use the google-beta provider to set these fields.

name_prefix has been removed

Use the name field along with the random provider instead.

Sample config:

variable "machine_type" {}

resource "google_container_cluster" "example" {
  name               = "example-cluster"
  zone               = "us-central1-a"
  initial_node_count = 1

  remove_default_node_pool = true
}

resource "random_id" "np" {
  byte_length = 11
  prefix      = "example-np-"
  keepers = {
    machine_type = "${var.machine_type}"
  }
}

resource "google_container_node_pool" "example" {
  name               = "${random_id.np.dec}"
  zone               = "us-central1-a"
  cluster            = "${google_container_cluster.example.name}"
  node_count         = 1

  node_config {
    machine_type = "${var.machine_type}"
  }

  lifecycle {
    create_before_destroy = true
  }
}

The keepers parameter in random_id takes a map of values that cause the random id to be regenerated. By tying it to attributes that might change, it makes sure the random id changes too.

To make sure the node pool keeps its old name, figure out what the suffix was by running terraform show:

google_container_node_pool.example:
  ...
  name = example-np-20180329213336514500000001

Determine the base64 encoding of that value by running this script. Then, import that suffix as the value of random_id:

terraform import random_id.np example-np-,ELFZ1rbrAThoeQE

For more details, see terraform-provider-google#1054.

Resource: google_endpoints_service

protoc_output has been removed

Use protoc_output_base64 instead.

Example previous configuration:

resource "google_endpoints_service" "grpc_service" {
  service_name  = "api-name.endpoints.project-id.cloud.goog"
  grpc_config   = "${file("service_spec.yml")}"
  protoc_output = "${file("compiled_descriptor_file.pb")}"

Example updated configuration:

resource "google_endpoints_service" "grpc_service" {
  service_name         = "api-name.endpoints.project-id.cloud.goog"
  grpc_config          = "${file("service_spec.yml")}"
  protoc_output_base64 = "${base64encode(file("compiled_descriptor_file.pb"))}"
}

Resource: google_dataproc_cluster

cluster_config.0.delete_autogen_bucket has been removed

Autogenerated buckets are shared by all clusters in the same region, so deleting this bucket could adversely harm other dataproc clusters. If you need a bucket that can be deleted, please create a new one and set the staging_bucket field.

cluster_config.0.gce_cluster_config.0.tags is now a Set

The order of entries in tags no longer matters. Any configurations that interpolate based on an item at a specific index will need to be updated, as items may have been reordered.

Resource: google_filestore_instance

filestore resources have been removed from the GA provider

Use the google-beta provider to use these resources.

Resource: google_organization_custom_role

deleted field is now an output-only attribute

Use terraform destroy, or remove the resource from your config instead.

Resource: google_project

app_engine has been removed

Use the google_app_engine_application resource instead.

To avoid errors trying to recreate the resource, import it into your state first by running:

terraform import google_app_engine_application.app your-project-id

Resource: google_project_iam_policy

policy_data is now authoritative

Terraform will remove values not explicitly set in this field. Any policy_data values that were added outside of Terraform should be added to the config.

authoritative, restore_policy, and disable_project have been removed

Remove these fields from your config. Ensure that policy_data contains all policy values that exist on the project.

This resource is very dangerous. Consider using google_project_iam_binding or google_project_iam_member instead.

Resource: google_service_account

policy_data has been removed

Use one of the other service account IAM resources instead.

Resource: google_sql_database_instance

settings is now authoritative

Terraform will remove values not explicitly set in this field. Any settings values that were added outside of Terraform should be added to the config.

Resource: google_storage_default_object_acl

role_entity is now authoritative

Terraform will remove values not explicitly set in this field. Any role_entity values that were added outside of Terraform should be added to the config.

Resource: google_storage_object_acl

role_entity is now authoritative

Terraform will remove values not explicitly set in this field. Any role_entity values that were added outside of Terraform should be added to the config. For fine-grained management, use google_storage_object_access_control.