Créer un service Cloud Run avec connectivité Cloud SQL via des secrets Secret Manager

Ce code Terraform montre un exemple complet de création d'une instance Cloud SQL avec authentification stockée dans Secret Manager, et de configuration d'une instance Cloud Run avec ces secrets.

Exemple de code

Terraform

Pour savoir comment appliquer ou supprimer une configuration Terraform, consultez la page Commandes Terraform de base. Pour en savoir plus, lisez la documentation de référence du fournisseur Terraform.

data "google_project" "project" {
}

# Enable Secret Manager API
resource "google_project_service" "secretmanager_api" {
  service            = "secretmanager.googleapis.com"
  disable_on_destroy = false
}

# Enable SQL Admin API
resource "google_project_service" "sqladmin_api" {
  service            = "sqladmin.googleapis.com"
  disable_on_destroy = false
}

# Enable Cloud Run API
resource "google_project_service" "cloudrun_api" {
  service            = "run.googleapis.com"
  disable_on_destroy = false
}

# Creates SQL instance (~15 minutes to fully spin up)
resource "google_sql_database_instance" "default" {
  name             = "mysql-instance-1"
  region           = "us-central1"
  database_version = "MYSQL_8_0"
  root_password    = "abcABC123!"

  settings {
    tier = "db-f1-micro"
    password_validation_policy {
      min_length                  = 6
      complexity                  = "COMPLEXITY_DEFAULT"
      reuse_interval              = 2
      disallow_username_substring = true
      enable_password_policy      = true
    }
  }
  # set `deletion_protection` to true, will ensure that one cannot accidentally delete this instance by
  # use of Terraform whereas `deletion_protection_enabled` flag protects this instance at the GCP level.
  deletion_protection = false
  depends_on          = [google_project_service.sqladmin_api]
}


# Create dbuser secret
resource "google_secret_manager_secret" "dbuser" {
  secret_id = "dbusersecret"
  replication {
    auto {}
  }
  depends_on = [google_project_service.secretmanager_api]
}

# Attaches secret data for dbuser secret
resource "google_secret_manager_secret_version" "dbuser_data" {
  secret      = google_secret_manager_secret.dbuser.id
  secret_data = "secret-data" # Stores secret as a plain txt in state
}

# Update service account for dbuser secret
resource "google_secret_manager_secret_iam_member" "secretaccess_compute_dbuser" {
  secret_id = google_secret_manager_secret.dbuser.id
  role      = "roles/secretmanager.secretAccessor"
  member    = "serviceAccount:${data.google_project.project.number}[e-mail]" # Project's compute service account
}




# Create dbpass secret
resource "google_secret_manager_secret" "dbpass" {
  secret_id = "dbpasssecret"
  replication {
    auto {}
  }
  depends_on = [google_project_service.secretmanager_api]
}

# Attaches secret data for dbpass secret
resource "google_secret_manager_secret_version" "dbpass_data" {
  secret      = google_secret_manager_secret.dbpass.id
  secret_data = "secret-data" # Stores secret as a plain txt in state
}

# Update service account for dbpass secret
resource "google_secret_manager_secret_iam_member" "secretaccess_compute_dbpass" {
  secret_id = google_secret_manager_secret.dbpass.id
  role      = "roles/secretmanager.secretAccessor"
  member    = "serviceAccount:${data.google_project.project.number}[e-mail]" # Project's compute service account
}



# Create dbname secret
resource "google_secret_manager_secret" "dbname" {
  secret_id = "dbnamesecret"
  replication {
    auto {}
  }
  depends_on = [google_project_service.secretmanager_api]
}

# Attaches secret data for dbname secret
resource "google_secret_manager_secret_version" "dbname_data" {
  secret      = google_secret_manager_secret.dbname.id
  secret_data = "secret-data" # Stores secret as a plain txt in state
}

# Update service account for dbname secret
resource "google_secret_manager_secret_iam_member" "secretaccess_compute_dbname" {
  secret_id = google_secret_manager_secret.dbname.id
  role      = "roles/secretmanager.secretAccessor"
  member    = "serviceAccount:${data.google_project.project.number}[e-mail]" # Project's compute service account
}


resource "google_cloud_run_v2_service" "default" {
  name     = "cloudrun-service"
  location = "us-central1"

  deletion_protection = false # set to "true" in production

  template {
    containers {
      image = "us-docker.pkg.dev/cloudrun/container/hello:latest" # Image to deploy

      # Sets a environment variable for instance connection name
      env {
        name  = "INSTANCE_CONNECTION_NAME"
        value = google_sql_database_instance.default.connection_name
      }
      # Sets a secret environment variable for database user secret
      env {
        name = "DB_USER"
        value_source {
          secret_key_ref {
            secret  = google_secret_manager_secret.dbuser.secret_id # secret name
            version = "latest"                                      # secret version number or 'latest'
          }
        }
      }
      # Sets a secret environment variable for database password secret
      env {
        name = "DB_PASS"
        value_source {
          secret_key_ref {
            secret  = google_secret_manager_secret.dbpass.secret_id # secret name
            version = "latest"                                      # secret version number or 'latest'
          }
        }
      }
      # Sets a secret environment variable for database name secret
      env {
        name = "DB_NAME"
        value_source {
          secret_key_ref {
            secret  = google_secret_manager_secret.dbname.secret_id # secret name
            version = "latest"                                      # secret version number or 'latest'
          }
        }
      }

      volume_mounts {
        name       = "cloudsql"
        mount_path = "/cloudsql"
      }
    }
    volumes {
      name = "cloudsql"
      cloud_sql_instance {
        instances = [google_sql_database_instance.default.connection_name]
      }
    }
  }
  client     = "terraform"
  depends_on = [google_project_service.secretmanager_api, google_project_service.cloudrun_api, google_project_service.sqladmin_api]
}

Étape suivante

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