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Json formatter for Ruby logger
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 Dependencies

Development

>= 1.3
>= 12.3.3
~> 3.0
~> 0.9
 Project Readme

SimpleJsonLogFormatter

Json formatter for Ruby logger.

This project is based on LtsvLogFormatter and modified for json.

Installation

Add this line to your application's Gemfile:

gem 'simple_json_log_formatter'

And then execute:

$ bundle

Or install it yourself as:

$ gem install simple_json_log_formatter

Usage

require 'logger'
require 'simple_json_log_formatter'
logger = Logger.new
logger.formatter = SimpleJsonLogFormatter.new

Rails

Configure at config/application.rb or config/environments/*.rb

# config/application.rb
# OR
# config/environments/*.rb
config.log_formatter = SimpleJsonLogFormatter.new

Options

  • time_key
    • Change the key name of the time field. Set nil to remove. Default: time
  • severity_key
    • Change the key name of the severity field. Set nil to remove. Default: severity
  • progname_key
    • Change the key name of the progname field. Set nil to remove. Default: progname
  • message_key
    • Change the key name for the message field. Default: message
  • datetime_format
    • Change date and time format of the time field. Default: %FT%T%:z
logger.formatter = SimpleJsonLogFormatter.new(time_key: "log_time", progname_key: nil)

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/taogawa/simple_json_log_formatter. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the SimpleJsonLogFormatter project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.