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High-performance pooler and session manager for external language integrations. Supports Python, Node.js, Ruby, and more with gRPC streaming, session management, and production-ready process cleanup.
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lib/snakepit/logger.ex
defmodule Snakepit.Logger do
@moduledoc """
Centralized logging for Snakepit with configurable verbosity.
Users can control Snakepit's log output with:
config :snakepit, log_level: :warning # Only show warnings and errors (default)
config :snakepit, log_level: :info # Show info, warnings, and errors
config :snakepit, log_level: :debug # Show everything
config :snakepit, log_level: :none # Suppress all Snakepit logs
"""
require Logger
@doc """
Log at debug level if configured log level allows it.
"""
def debug(message, metadata \\ []) do
if should_log?(:debug) do
Logger.debug(message, metadata)
end
end
@doc """
Log at info level if configured log level allows it.
"""
def info(message, metadata \\ []) do
if should_log?(:info) do
Logger.info(message, metadata)
end
end
@doc """
Log at warning level if configured log level allows it.
"""
def warning(message, metadata \\ []) do
if should_log?(:warning) do
Logger.warning(message, metadata)
end
end
@doc """
Log at error level if configured log level allows it.
"""
def error(message, metadata \\ []) do
if should_log?(:error) do
Logger.error(message, metadata)
end
end
@doc """
Check if logging at the given level is enabled.
"""
def should_log?(level) do
configured_level =
case Application.fetch_env(:snakepit, :log_level) do
{:ok, level} -> level
:error -> default_log_level()
end
case configured_level do
:none -> false
:error -> level == :error
:warning -> level in [:error, :warning]
:info -> level in [:error, :warning, :info]
:debug -> true
# Default to :info
_ -> level in [:error, :warning, :info]
end
end
defp default_log_level do
if Application.get_env(:snakepit, :library_mode, true) do
:warning
else
:info
end
end
end