v6.2.0/website/docs/r/managed_kafka_topic.html.markdown

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subcategory: "Managed Kafka"
description: |-
  A Managed Service for Apache Kafka topic.
---

# google_managed_kafka_topic

A Managed Service for Apache Kafka topic. Apache Kafka is a trademark owned by the Apache Software Foundation.

~> **Warning:** This resource is in beta, and should be used with the terraform-provider-google-beta provider.
See [Provider Versions](https://terraform.io/docs/providers/google/guides/provider_versions.html) for more details on beta resources.


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## Example Usage - Managedkafka Topic Basic


```hcl
resource "google_managed_kafka_cluster" "cluster" {
  cluster_id = "my-cluster"
  location = "us-central1"
  capacity_config {
    vcpu_count = 3
    memory_bytes = 3221225472
  }
  gcp_config {
    access_config {
      network_configs {
        subnet = "projects/${data.google_project.project.number}/regions/us-central1/subnetworks/default"
      }
    }
  }

  provider = google-beta
}

resource "google_managed_kafka_topic" "example" {
  topic_id = "my-topic"
  cluster = google_managed_kafka_cluster.cluster.cluster_id
  location = "us-central1"
  partition_count = 2
  replication_factor = 3
  configs = {
    "cleanup.policy" = "compact"
  }

  provider = google-beta
}

data "google_project" "project" {
  provider = google-beta
}
```

## Argument Reference

The following arguments are supported:


* `replication_factor` -
  (Required)
  The number of replicas of each partition. A replication factor of 3 is recommended for high availability.

* `location` -
  (Required)
  ID of the location of the Kafka resource. See https://cloud.google.com/managed-kafka/docs/locations for a list of supported locations.

* `cluster` -
  (Required)
  The cluster name.

* `topic_id` -
  (Required)
  The ID to use for the topic, which will become the final component of the topic's name. This value is structured like: `my-topic-name`.


- - -


* `partition_count` -
  (Optional)
  The number of partitions in a topic. You can increase the partition count for a topic, but you cannot decrease it. Increasing partitions for a topic that uses a key might change how messages are distributed.

* `configs` -
  (Optional)
  Configuration for the topic that are overridden from the cluster defaults. The key of the map is a Kafka topic property name, for example: `cleanup.policy=compact`, `compression.type=producer`.

* `project` - (Optional) The ID of the project in which the resource belongs.
    If it is not provided, the provider project is used.


## Attributes Reference

In addition to the arguments listed above, the following computed attributes are exported:

* `id` - an identifier for the resource with format `projects/{{project}}/locations/{{location}}/clusters/{{cluster}}/topics/{{topic_id}}`

* `name` -
  The name of the topic. The `topic` segment is used when connecting directly to the cluster. Must be in the format `projects/PROJECT_ID/locations/LOCATION/clusters/CLUSTER_ID/topics/TOPIC_ID`.


## Timeouts

This resource provides the following
[Timeouts](https://developer.hashicorp.com/terraform/plugin/sdkv2/resources/retries-and-customizable-timeouts) configuration options:

- `create` - Default is 20 minutes.
- `update` - Default is 20 minutes.
- `delete` - Default is 20 minutes.

## Import


Topic can be imported using any of these accepted formats:

* `projects/{{project}}/locations/{{location}}/clusters/{{cluster}}/topics/{{topic_id}}`
* `{{project}}/{{location}}/{{cluster}}/{{topic_id}}`
* `{{location}}/{{cluster}}/{{topic_id}}`


In Terraform v1.5.0 and later, use an [`import` block](https://developer.hashicorp.com/terraform/language/import) to import Topic using one of the formats above. For example:

```tf
import {
  id = "projects/{{project}}/locations/{{location}}/clusters/{{cluster}}/topics/{{topic_id}}"
  to = google_managed_kafka_topic.default
}
```

When using the [`terraform import` command](https://developer.hashicorp.com/terraform/cli/commands/import), Topic can be imported using one of the formats above. For example:

```
$ terraform import google_managed_kafka_topic.default projects/{{project}}/locations/{{location}}/clusters/{{cluster}}/topics/{{topic_id}}
$ terraform import google_managed_kafka_topic.default {{project}}/{{location}}/{{cluster}}/{{topic_id}}
$ terraform import google_managed_kafka_topic.default {{location}}/{{cluster}}/{{topic_id}}
```

## User Project Overrides

This resource supports [User Project Overrides](https://registry.terraform.io/providers/hashicorp/google/latest/docs/guides/provider_reference#user_project_override).