Logger

• a wrapper over uber/zap logger
• There are 4 levels that can be used; info, error, debug, and warning.

Usage

It's usually not ideal to pass logger instance across you application, this can be seen as unnecessary pollution. That's why global logger is provided by default with Info as its default log level.

import "github.com/weaveworks/policy-agent/pkg/logger"

logger.Info("this is a log")

Change log level

To change the log level of the global logger you can simply use the Config function

import "github.com/weaveworks/policy-agent/pkg/logger"

logger.Config(logger.DebugLevel)
logger.Debug("this is a debug log")

Create Custom logger

sometimes a custom logger is ideal. For example creating a logger that have request-id on all the logs. you can create custom logger by using With or New function

import "github.com/weaveworks/policy-agent/pkg/logger"
// using with will have the global logger log level
customLogger := logger.With("requestId", reqID)
customLogger.Info("this is a debug log")

l := logger.New(logger.DebugLevel)
l.Debug("this is a debug log")