main.tf

data "ibm_resource_group" "group" {
  name = "default"
}

#### Scenario 1: Create Event Streams service instance and topic
resource "ibm_resource_instance" "es_instance_1" {
  name              = "terraform-integration-public"
  service           = "messagehub"
  plan              = "enterprise-3nodes-2tb" # "lite", "enterprise-3nodes-2tb"
  location          = "eu-fr2" # "us-east", "eu-gb", "eu-de", "jp-tok", "au-syd"
  resource_group_id = data.ibm_resource_group.group.id

  parameters = {
    #service-endpoints    = "public"                   # for enterprise instance only, Options are: "public", "public-and-private", "private". Default is "public" when not specified.
    #private_ip_allowlist = "[10.0.0.0/32,10.0.0.1/32]" # for enterprise instance only. Specify 1 or more IP range in CIDR format
    # document about using private service endpoint and IP allowlist to restrict access: https://cloud.ibm.com/docs/EventStreams?topic=EventStreams-restrict_access

    #throughput   = "150"  # for enterprise instance only. Options are: "150", "300", "450". Default is "150" when not specified.
    #storage_size = "2048" # for enterprise instance only. Options are: "2048", "4096", "6144", "8192", "10240", "12288". Default is "2048" when not specified.
    #kms_key_crn  = "crn:v1:bluemix:public:kms:us-south:a/6db1b0d0b5c54ee5c201552547febcd8:0aa69b09-941b-41b2-bbf9-9f9f0f6a6f79:key:dd37a0b6-eff4-4708-8459-e29ae0a8f256" # for enterprise instance only. Specify the CRN of a root key from a Key Management Service instance used to encrypt disks.
    # Note: when throughput is "300", storage_size starts from "4096",  when throughput is "450", storage_size starts from "6144"
    # document about supported combinations of throughput and storage_size: https://cloud.ibm.com/docs/EventStreams?topic=EventStreams-ES_scaling_capacity#ES_scaling_combinations
  }

  timeouts {
    create = "3h" # use 3h when creating enterprise instance, add additional 1h for each level of non-default throughput, add additional 30m for each level of non-default storage_size
    update = "15m" # use 1h when updating enterprise instance, add additional 1h for each level of non-default throughput, add additional 30m for each level of non-default storage_size
    delete = "15m"
  }
}

resource "ibm_event_streams_topic" "es_topic_1" {
  resource_instance_id = ibm_resource_instance.es_instance_1.id
  name                 = "my-es-topic"
  partitions           = 1
  config = {
    "cleanup.policy"  = "compact,delete"
    "retention.ms"    = "86400000"
    "retention.bytes" = "1073741824"
    "segment.bytes"   = "536870912"
  }
}