Categorygithub.com/cabify/go-logging
modulepackage
1.5.1
Repository: https://github.com/cabify/go-logging.git
Documentation: pkg.go.dev
Overview
Versions
1
Dependencies
16
Dependents
2
Files
789 SLOC

# README

Deprecated

The development of this library is discontinued and we encourage you to avoid using it in new projects. There are better alternatives out there.

logging

Simple logging package in Go used at Cabify. Originally forked from cenkalti/log

GoDoc

Install

$ go get github.com/cabify/go-logging

Features

  • Log levels (DEBUG, INFO, NOTICE, WARNING, ERROR, CRITICAL)
  • Different colored output for different log levels
  • Customizable logging handlers
  • Customizable formatters
  • Log to multiple backends concurrently

Example Usage

See https://github.com/cabify/go-logging/blob/master/example/example.go

# Packages

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Package logtest is intended to be used by tests for checking that baggage values have been correctly set */.

# Functions

Baggage is a handy helper to extract the baggage from the context, probably to be used with another logger.
ConfigureDefaultLogger configures loggers for your service, optionally adding log message counters with your favorite metrics system.
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For provides a logger which is aware of the passed context and will prepend the context baggage values, using DefaultLogger as base logger.
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NewContextFromWithValue creates a new context with baggage values from ctx plus the provided one it's just a shorthand for the composition of NewContextWithBaggageFrom and WithBaggageValue.
NewContextWithBaggageFrom returns a new context with baggage values obtained from another context.
NewFactory instantiates a factory with the default logger.
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NewID returns a random id to follow the log traces.
NewLogger returns a new Logger implementation.
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SetLevel changes the level of DefaultLogger and DefaultHandler.
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WithBaggageValue returns a context with the added key value pair in the baggage store.
WithBaggageValues returns a context with all key value pairs added to the baggage store.

# Constants

Colors for different log levels.
Colors for different log levels.
Logging levels.
Colors for different log levels.
Logging levels.
Logging levels.
Colors for different log levels.
Logging levels.
Colors for different log levels.
Colors for different log levels.
Logging levels.
Colors for different log levels.
Logging levels.
Colors for different log levels.
Colors for different log levels.

# Variables

BaggageContextKey is the key to be used for the baggage map[string]interface{} in context.*Value.
DefaultFactory is the factory used to create new loggers.
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# Structs

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Config defines the logging configuration.
Factory provides context aware loggers.
FileHandler is a handler implementation that writes the logging output to a *os.File.
MultiHandler sends the log output to multiple handlers concurrently.
NoDebugLogger embeds a Logger, but in calls to debug functions it does nothing.
Record contains all of the information about a single log message.
SyslogHandler sends the logging output to syslog.
WriterHandler is a handler implementation that writes the logging output to a io.Writer.

# Interfaces

Formatter formats a record.
Handler handles the output.
Logger is the interface for outputing log messages in different levels.
LoggerFactory creates Logger instances.

# Type aliases

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CountLogMessage offers a method to count log messages logged by the logger.
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