# 2026-03-09
# pg-query.tf — функция pg-query: читает записи из PostgreSQL.
# Код: code/handler.py + code/requirements.txt
#
# Использование:
#   terraform apply
#   curl -s -X POST $(terraform output -raw trigger_url) -d '{}'

data "archive_file" "handler_pg_query" {
  type        = "zip"
  source_dir  = "${path.module}/code"
  output_path = "${path.module}/dist/handler.zip"
}

resource "sless_function" "pg_query" {
  name        = "pg-query"
  runtime     = "python3.11"
  entrypoint  = "handler.handle"
  memory_mb   = 128
  timeout_sec = 30

  # DSN для подключения к postgres внутри кластера
  # Хост: postgres.sless.svc.cluster.local (Service в namespace sless)
  env_vars = {
    PG_DSN = "postgres://sless:sless-pg-password@postgres.sless.svc.cluster.local:5432/sless?sslmode=disable"
  }

  code_path = data.archive_file.handler_pg_query.output_path
  code_hash = filesha256("${path.module}/code/handler.py")
}

resource "sless_trigger" "pg_query_http" {
  name      = "pg-query-http"
  type      = "http"
  function  = sless_function.pg_query.name
}

output "function_phase" {
  value = sless_function.pg_query.phase
}

output "function_image" {
  value = sless_function.pg_query.image_ref
}

output "trigger_url" {
  value = sless_trigger.pg_query_http.url
}