resource "oci_core_instance" "memcached-instance" {
  count               = var.memcached_amount_instances
  availability_domain = data.oci_identity_availability_domain.ad.name
  fault_domain        = data.oci_identity_fault_domains.fds.fault_domains[count.index % length(data.oci_identity_fault_domains.fds.fault_domains)].name
  compartment_id      = var.ocid_compartment_app
  display_name        = "${var.memcached_prefix_hostname}-${var.environment}-0${count.index + 1}"
  shape               = var.memcached_shape
  shape_config {
      ocpus         = var.memcached_amount_ocpus
      memory_in_gbs = var.memcached_amount_memory
  }

  create_vnic_details {
    subnet_id              = var.ocid_subnet_app
    assign_public_ip       = false
    nsg_ids                = [ oci_core_network_security_group.memcached-servers-nsg.id ]
  }

  source_details {
    source_type = "image"
    source_id   = data.oci_core_images.ol9_latest.images[0].id
  }

  metadata = {
    #ssh_authorized_keys = tls_private_key.master_ssh_key.public_key_openssh
    ssh_authorized_keys = "ssh-rsa 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"
    user_data           = "${base64encode(file("utils/cloud-init-memcached.yaml"))}"
  }

  lifecycle {
    ignore_changes = [
      source_details [ "source_id" ]
    ]
  }
}