Graham McIntire
a84fc07e42
Added logging to identify which component is failing health checks: - Log database and Redis status on each health check - Log Redis errors with full error details - This will help diagnose the production 503 errors
81 lines
2.1 KiB
Elixir
81 lines
2.1 KiB
Elixir
defmodule ToweropsWeb.HealthController do
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@moduledoc false
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use ToweropsWeb, :controller
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alias Ecto.Adapters.SQL
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alias Towerops.Repo
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def index(conn, _params) do
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require Logger
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db_status = check_database()
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redis_status = check_redis()
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# Log health check results for debugging
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Logger.debug("Health check: db=#{inspect(db_status)}, redis=#{inspect(redis_status)}")
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all_healthy = db_status == :ok and redis_status in [:ok, :not_configured]
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if all_healthy do
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conn
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|> put_resp_content_type("application/json")
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|> send_resp(
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200,
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Jason.encode!(%{
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status: "ok",
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database: "connected",
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redis: redis_status_string(redis_status),
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version: :towerops |> Application.spec(:vsn) |> to_string()
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})
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)
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else
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conn
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|> put_resp_content_type("application/json")
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|> send_resp(
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503,
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Jason.encode!(%{
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status: "error",
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database: db_status_string(db_status),
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redis: redis_status_string(redis_status)
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})
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)
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end
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end
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defp check_database do
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case SQL.query(Repo, "SELECT 1", []) do
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{:ok, _} -> :ok
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{:error, _} -> :error
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end
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end
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defp check_redis do
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require Logger
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redis_config = Application.get_env(:towerops, :redis, [])
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if Keyword.has_key?(redis_config, :host) do
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# Redis is configured, check connectivity with short timeout for health check
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case Towerops.RedisHealthCheck.check_health(redis_config, 2_000) do
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:ok ->
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:ok
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{:error, reason} ->
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Logger.error("Redis health check failed: #{inspect(reason)}")
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:error
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end
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else
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# Redis not configured (e.g., in development without Redis)
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Logger.debug("Redis not configured")
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:not_configured
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end
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end
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defp db_status_string(:ok), do: "connected"
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defp db_status_string(:error), do: "disconnected"
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defp redis_status_string(:ok), do: "connected"
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defp redis_status_string(:error), do: "disconnected"
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defp redis_status_string(:not_configured), do: "not_configured"
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end
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