Cloud Composer 1 | Cloud Composer 2
本页面是与介绍如何创建环境的主页面的配套页面。它演示了如何使用 Terraform 在现有 Google Cloud 项目中为此环境设置 Cloud Composer 环境和用户代管式服务帐号。您可以使用此页面作为起点,然后根据需要为您的环境添加更多配置参数。
准备工作
本指南假定您的 Google Cloud 项目配置了结算:
- 您可以使用现有项目。
- 您可以使用 Google Cloud 控制台、Google Cloud CLI、API 或 Python 客户端库创建新项目。
- 您可以使用 Terraform 创建和管理项目。如需了解详情,请参阅
google_project
资源的 Terraform 文档。
向 Google Cloud 进行身份验证
如需进行 Google Cloud 身份验证,请运行以下命令:
gcloud auth application-default login
如需详细了解此命令,请参阅 gcloud auth application-default
。
在 Terraform 中配置 Google 提供方
指定现有项目 ID 和资源的默认区域。您的 Cloud Composer 环境会使用此区域。
provider "google-beta" {
project = "example-project"
region = "us-central1"
}
启用 Cloud Composer API
在项目中启用 Cloud Composer API:
resource "google_project_service" "composer_api" {
provider = google-beta
project = "example-project"
service = "composer.googleapis.com"
// Disabling Cloud Composer API might irreversibly break all other
// environments in your project.
// This parameter prevents automatic disabling
// of the API when the resource is destroyed.
// We recommend to disable the API only after all environments are deleted.
disable_on_destroy = false
}
在您的项目中创建自定义服务帐号
默认情况下,Cloud Composer 环境使用默认的 Compute Engine 帐号。本指南演示了另一种方法,即创建新的服务帐号,该帐号具有运行 Cloud Composer 环境所需的所有权限。
定义具有以下角色和权限的自定义服务帐号。如需详细了解环境的服务帐号的权限,请参阅使用 IAM 进行访问权限控制。
resource "google_service_account" "custom_service_account" {
provider = google-beta
account_id = "custom-service-account"
display_name = "Example Custom Service Account"
}
resource "google_project_iam_member" "custom_service_account" {
provider = google-beta
project = "example-project"
member = format("serviceAccount:%s", google_service_account.custom_service_account.email)
// Role for Public IP environments
role = "roles/composer.worker"
}
创建环境
使用 Terraform 创建环境。
该示例演示了如何创建自定义服务帐号的环境。您可以添加更多参数来定义环境的其他配置参数,例如自定义规模和性能参数或者其他 PyPI 软件包。
如需详细了解其他参数,请参阅创建环境。
resource "google_composer_environment" "example_environment" {
provider = google-beta
name = "example-environment"
config {
node_config {
service_account = google_service_account.custom_service_account.email
}
}
}
完整的 Terraform 脚本(默认参数)
provider "google-beta" {
project = "example-project"
region = "us-central1"
}
resource "google_project_service" "composer_api" {
provider = google-beta
project = "example-project"
service = "composer.googleapis.com"
// Disabling Cloud Composer API might irreversibly break all other
// environments in your project.
disable_on_destroy = false
}
resource "google_composer_environment" "example_environment" {
provider = google-beta
name = "example-environment"
config {
// Add your environment configuration here
}
}
完整的 Terraform 脚本(自定义服务帐号)
provider "google-beta" {
project = "example-project"
region = "us-central1"
}
resource "google_project_service" "composer_api" {
provider = google-beta
project = "example-project"
service = "composer.googleapis.com"
// Disabling Cloud Composer API might irreversibly break all other
// environments in your project.
disable_on_destroy = false
}
resource "google_service_account" "custom_service_account" {
provider = google-beta
account_id = "custom-service-account"
display_name = "Example Custom Service Account"
}
resource "google_project_iam_member" "custom_service_account" {
provider = google-beta
project = "example-project"
member = format("serviceAccount:%s", google_service_account.custom_service_account.email)
// Role for Public IP environments
role = "roles/composer.worker"
}
resource "google_composer_environment" "example_environment" {
provider = google-beta
name = "example-environment"
config {
node_config {
service_account = google_service_account.custom_service_account.email
}
}
}
后续步骤
如需了解如何使用 Terraform 配置环境,请参阅其他文档页面。例如: