terraform {
  // terraformのバージョン設定
  required_version = "~> 1.7.5"

  // cloudflareプロバイダを利用
  required_providers {
    cloudflare = {
      source  = "cloudflare/cloudflare"
      version = "~> 4.26.0"
    }
  }

  // tfstateの保存先の設定。R2 Storageを使用する
  backend "s3" {
    endpoints = {
      s3 = "https://<アカウントID>.r2.cloudflarestorage.com"
    }
    bucket                      = "oj-cf-tfstate" # ここでバケット名を指定
    key                         = "domains/920oj-net.tfstate" # ディレクトリごとにキーを変更
    region                      = "us-east-1" # 任意の値でOK
    skip_credentials_validation = true
    skip_requesting_account_id  = true
    skip_s3_checksum            = true
  }
}

provider "cloudflare" {}

FATA[0000] --account and --zone are mutually exclusive, support for both is deprecated 

% cf-terraforming generate --resource-type "cloudflare_record" --zone "ゾーンID" 
resource "cloudflare_record" "terraform_managed_resource_xxxxxxxxxxx" {
  name    = "920oj.net"
  proxied = true
  ttl     = 1
  type    = "CNAME"
  value   = "920oj-net.pages.dev"
  zone_id = "ゾーンID"
}

resource "cloudflare_record" "terraform_managed_resource_yyyyyyyyyyy" {
  name     = "920oj.net"
  priority = 10
  proxied  = false
  ttl      = 1
  type     = "MX"
  value    = "example.com"
  zone_id  = "ゾーンID"
}

locals {
  zone_id = "ゾーンID"
  root_domain = "920oj.net"
}

resource "cloudflare_record" "cname_root" {
  name    = local.root_domain
  proxied = true
  ttl     = 1
  type    = "CNAME"
  value   = "920oj-net.pages.dev"
  zone_id = local.zone_id
}

...以下略

 % ./import.sh                  
cloudflare_record.cname_root: Importing from ID "ゾーンID/xxxxxxxxxx"...
cloudflare_record.cname_root: Import prepared!
  Prepared cloudflare_record for import
cloudflare_record.cname_root: Refreshing state... [id=xxxxxxxxxxxxxxxxxxxxxx]

・・・中略・・・

Import successful!

The resources that were imported are shown above. These resources are now in
your Terraform state and will henceforth be managed by Terraform.

 % terraform plan
cloudflare_record.cname_root: Refreshing state... [id=xxxxxxxxxxxxxxxxxxxxxx]
cloudflare_record.mx_root: Refreshing state... [id=xxxxxxxxxxxxxxxxxxxxxx]
・・・中略・・・

No changes. Your infrastructure matches the configuration.

Terraform has compared your real infrastructure against your configuration and found no differences, so no changes are needed.

# cloudflare_pages_domain のインポート
import {
  to = cloudflare_pages_domain.domain-920oj-net  # 対象のリソース名
  id = "${local.account_id}/920oj-net/920oj.net" # ドメイン名
}

# cloudflare_pages_project のインポート
import {
  to = cloudflare_pages_project.project-920oj-net # 対象のリソース名
  id = "${local.account_id}/920oj-net"            # プロジェクト名
}

% terraform plan -generate-config-out=generate.tf
cloudflare_pages_domain.domain-920oj-net: Preparing import... [id=xxxxxxxxxxxxxxx/920oj-net/920oj.net]
cloudflare_pages_project.project-920oj-net: Preparing import... [id=xxxxxxxxxxxxxxx/920oj-net]
cloudflare_pages_domain.domain-920oj-net: Refreshing state... [id=xxxxxxxxxxxxxxxxxxxxx]
cloudflare_pages_project.project-920oj-net: Refreshing state... [id=920oj-net]

Terraform will perform the following actions:

  # cloudflare_pages_domain.domain-920oj-net will be imported
    resource "cloudflare_pages_domain" "domain-920oj-net" {
        account_id   = "xxxxxxxxxxxxxxxxxxxxxxx"
        domain       = "920oj.net"
        id           = "xxxxxxxxxxxxxxxxxxxxxxx"
        project_name = "920oj-net"
        status       = "active"
    }

  # cloudflare_pages_project.project-920oj-net will be imported
  # (config will be generated)
    resource "cloudflare_pages_project" "project-920oj-net" {
        account_id        = "xxxxxxxxxxxxxxxxxxxxxxx"
        created_on        = "2023-03-18T15:44:28Z"
        domains           = [
            "920oj-net.pages.dev",
            "920oj.net",
        ]
        id                = "920oj-net"
        name              = "920oj-net"
        production_branch = "main"
        subdomain         = "920oj-net.pages.dev"

        build_config {
            build_caching   = false
            build_command   = "npm run build"
            destination_dir = "build"
        }

・・・中略

Plan: 2 to import, 0 to add, 0 to change, 0 to destroy.

resource "cloudflare_pages_domain" "domain-920oj-net" {
  account_id   = local.account_id
  domain       = "920oj.net"
  project_name = "920oj-net"
}

resource "cloudflare_pages_project" "project-920oj-net" {
  account_id        = local.account_id
  name              = local.project_name
  production_branch = "main"
  build_config {
    build_caching       = false
    build_command       = "npm run build"
    destination_dir     = "build"
    root_dir            = null
    web_analytics_tag   = null
    web_analytics_token = null
  }
  deployment_configs {
    preview {
      always_use_latest_compatibility_date = false
      compatibility_date                   = "2023-03-18"
      compatibility_flags                  = []
      d1_databases                         = {}
      durable_object_namespaces            = {}
      environment_variables = {
        GTAG_ID      = "XXXXXXX"
        NODE_VERSION = "XXXXXXX"
      }
      fail_open     = true
      kv_namespaces = {}
      r2_buckets    = {}
      secrets       = null # sensitive
      usage_model   = "standard"
    }
    production {
      always_use_latest_compatibility_date = false
      compatibility_date                   = "2023-03-18"
      compatibility_flags                  = []
      d1_databases                         = {}
      durable_object_namespaces            = {}
      environment_variables = {
        GTAG_ID      = "XXXXXXXXXX"
        NODE_VERSION = "XXXXXXXXXX"
      }
      fail_open     = true
      kv_namespaces = {}
      r2_buckets    = {}
      secrets       = null # sensitive
      usage_model   = "standard"
    }
  }
  source {
    type = "github"
    config {
      deployments_enabled           = true
      owner                         = "920oj"
      pr_comments_enabled           = true
      preview_branch_excludes       = []
      preview_branch_includes       = ["*"]
      preview_deployment_setting    = "all"
      production_branch             = "main"
      production_deployment_enabled = true
      repo_name                     = "920oj-net"
    }
  }
}

Plan: 2 to import, 0 to add, 0 to change, 0 to destroy.

Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

 % terraform plan
cloudflare_pages_domain.domain-920oj-net: Refreshing state... [id=xxxxxxxxxx]
cloudflare_pages_project.project-920oj-net: Refreshing state... [id=xxxxxxxxxx]

No changes. Your infrastructure matches the configuration.

Terraform has compared your real infrastructure against your configuration and found no differences, so no changes are needed.