Esegui il deployment di Cloud Functions (2ª generazione.) con l'attivatore di log di controllo utilizzando Terraform

Configurazione Terraform completa per il deployment di una funzione Cloud Function (2ª generazione.) basata su eventi con risorse

Esempio di codice

Terraform

Per scoprire come applicare o rimuovere una configurazione Terraform, consulta Comandi Terraform di base. Per saperne di più, consulta la documentazione di riferimento del fornitore Terraform.

# This example follows the examples shown in this Google Cloud Community blog post
# https://medium.com/google-cloud/applying-a-path-pattern-when-filtering-in-eventarc-f06b937b4c34
# and the docs https://cloud.google.com/eventarc/docs/path-patterns

terraform {
  required_providers {
    google = {
      source  = "hashicorp/google"
      version = ">= 4.34.0"
    }
  }
}

resource "random_id" "bucket_prefix" {
  byte_length = 8
}

resource "google_storage_bucket" "source_bucket" {
  name                        = "${random_id.bucket_prefix.hex}-gcf-source"
  location                    = "US"
  uniform_bucket_level_access = true
}

data "archive_file" "default" {
  type        = "zip"
  output_path = "/tmp/function-source.zip"
  source_dir  = "function-source/"
}

resource "google_storage_bucket_object" "default" {
  name   = "function-source.zip"
  bucket = google_storage_bucket.source_bucket.name
  source = data.archive_file.default.output_path # Path to the zipped function source code
}

resource "google_service_account" "default" {
  account_id   = "test-gcf-sa"
  display_name = "Test Service Account - used for both the cloud function and eventarc trigger in the test"
}

# Note: The right way of listening for Cloud Storage events is to use a Cloud Storage trigger.
# Here we use Audit Logs to monitor the bucket so path patterns can be used in the example of
# google_cloudfunctions2_function below (Audit Log events have path pattern support)
resource "google_storage_bucket" "audit_log_bucket" {
  name                        = "${random_id.bucket_prefix.hex}-gcf-auditlog-bucket"
  location                    = "us-central1" # The trigger must be in the same location as the bucket
  uniform_bucket_level_access = true
}

# Permissions on the service account used by the function and Eventarc trigger
data "google_project" "project" {
}

resource "google_project_iam_member" "invoking" {
  project = data.google_project.project.project_id
  role    = "roles/run.invoker"
  member  = "serviceAccount:${google_service_account.default.email}"
}

resource "google_project_iam_member" "event_receiving" {
  project    = data.google_project.project.project_id
  role       = "roles/eventarc.eventReceiver"
  member     = "serviceAccount:${google_service_account.default.email}"
  depends_on = [google_project_iam_member.invoking]
}

resource "google_project_iam_member" "artifactregistry_reader" {
  project    = data.google_project.project.project_id
  role       = "roles/artifactregistry.reader"
  member     = "serviceAccount:${google_service_account.default.email}"
  depends_on = [google_project_iam_member.event_receiving]
}

resource "google_cloudfunctions2_function" "default" {
  depends_on = [
    google_project_iam_member.event_receiving,
    google_project_iam_member.artifactregistry_reader,
  ]
  name        = "gcf-function"
  location    = "us-central1"
  description = "a new function"

  build_config {
    runtime     = "nodejs22"
    entry_point = "entryPoint" # Set the entry point in the code
    environment_variables = {
      BUILD_CONFIG_TEST = "build_test"
    }
    source {
      storage_source {
        bucket = google_storage_bucket.source_bucket.name
        object = google_storage_bucket_object.default.name
      }
    }
  }

  service_config {
    max_instance_count = 3
    min_instance_count = 1
    available_memory   = "256M"
    timeout_seconds    = 60
    environment_variables = {
      SERVICE_CONFIG_TEST = "config_test"
    }
    ingress_settings               = "ALLOW_INTERNAL_ONLY"
    all_traffic_on_latest_revision = true
    service_account_email          = google_service_account.default.email
  }

  event_trigger {
    trigger_region        = "us-central1" # The trigger must be in the same location as the bucket
    event_type            = "google.cloud.audit.log.v1.written"
    retry_policy          = "RETRY_POLICY_RETRY"
    service_account_email = google_service_account.default.email
    event_filters {
      attribute = "serviceName"
      value     = "storage.googleapis.com"
    }
    event_filters {
      attribute = "methodName"
      value     = "storage.objects.create"
    }
    event_filters {
      attribute = "resourceName"
      # Selects all .txt files in the bucket
      value = "/projects/_/buckets/${google_storage_bucket.audit_log_bucket.name}/objects/*.txt"
      # Allows path patterns to be used in the value field
      operator = "match-path-pattern"
    }
  }
}

Passaggi successivi

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