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我正在添加引用该 vpc 和子网的 vpc、子网和 gke 集群。但是，正在创建 vpc 和子网，但是在创建 gke 集群时会抛出错误

Create cluster cannot be created with existing subnetwork.

我添加了以下创建 VPC、子网和 gke 集群的脚本。请参阅下面的 terraform 脚本

provider "google" {
  credentials = "gkecredential"
  project     = "abc"
  region      = "us-central1"
}

resource "google_compute_network" "vpc" {
  name                    = "test"
  auto_create_subnetworks = "false"
}

resource "google_compute_subnetwork" "gkesubnet" {
  name          = "testgkesubnet"
  ip_cidr_range = "10.105.0.0/24"
  network       = "${google_compute_network.vpc.self_link}"
  region        = "us-central1"

  secondary_ip_range {
    range_name    = "container-range-1"
    ip_cidr_range = "10.75.0.0/20"
  }

  secondary_ip_range {
    range_name    = "service-range-1"
    ip_cidr_range = "10.8.0.0/14"
  }
}

resource "google_container_cluster" "gcp_kubernetes" {
  name               = "gkecluster"
  zone               = "us-west1-a"
  initial_node_count = "1"
  network            = "${google_compute_network.vpc.self_link}"
  subnetwork         = "${google_compute_network.gkesubnet.self_link}"

  additional_zones = [
    "us-west1-b",
    "us-west1-c",
  ]

  private_cluster_config {
    enable_private_endpoint = false
    enable_private_nodes    = true
    master_ipv4_cidr_block  = "172.16.0.0/28"
  }

  master_auth {
    username = "abc"
    password = "abc"
  }

  master_authorized_networks_config {
    cidr_blocks = [
      {
        cidr_block   = "10.102.0.0/24"
        display_name = "Office"
      },
    ]
  }

  ip_allocation_policy {
    create_subnetwork = true
  }

  node_config {
    oauth_scopes = [
      "https://www.googleapis.com/auth/compute",
      "https://www.googleapis.com/auth/devstorage.read_only",
      "https://www.googleapis.com/auth/logging.write",
      "https://www.googleapis.com/auth/monitoring",
    ]

    labels {
      this-is-for = "dev-cluster"
    }

    tags = ["dev", "work"]
  }
}
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