Call Cloud Run on a schedule

resource "google_project_service" "run_api" {
  service            = "run.googleapis.com"
  disable_on_destroy = false
}

resource "google_project_service" "iam_api" {
  service            = "iam.googleapis.com"
  disable_on_destroy = false
}

resource "google_project_service" "resource_manager_api" {
  service            = "cloudresourcemanager.googleapis.com"
  disable_on_destroy = false
}

resource "google_project_service" "scheduler_api" {
  service            = "cloudscheduler.googleapis.com"
  disable_on_destroy = false
}

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

  deletion_protection = false # set to "true" in production

  template {
    containers {
      image = "us-docker.pkg.dev/cloudrun/container/hello"
    }
  }

  # Use an explicit depends_on clause to wait until API is enabled
  depends_on = [
    google_project_service.run_api
  ]
}

resource "google_service_account" "default" {
  account_id   = "scheduler-sa"
  description  = "Cloud Scheduler service account; used to trigger scheduled Cloud Run jobs."
  display_name = "scheduler-sa"

  # Use an explicit depends_on clause to wait until API is enabled
  depends_on = [
    google_project_service.iam_api
  ]
}

resource "google_cloud_run_service_iam_member" "default" {
  location = google_cloud_run_v2_service.default.location
  service  = google_cloud_run_v2_service.default.name
  role     = "roles/run.invoker"
  member   = "serviceAccount:${google_service_account.default.email}"
}

resource "google_cloud_scheduler_job" "default" {
  name             = "scheduled-cloud-run-job"
  region           = "us-central1"
  description      = "Invoke a Cloud Run container on a schedule."
  schedule         = "*/8 * * * *"
  time_zone        = "America/New_York"
  attempt_deadline = "320s"

  retry_config {
    retry_count = 1
  }

  http_target {
    http_method = "POST"
    uri         = google_cloud_run_v2_service.default.uri

    oidc_token {
      service_account_email = google_service_account.default.email
    }
  }

  # Use an explicit depends_on clause to wait until API is enabled
  depends_on = [
    google_project_service.scheduler_api
  ]
}