Rack Fluentd Logger
Install
Gemfile:
gem 'rack-fluentd-logger'Shell:
gem install rack-fluentd-loggerUsage
config.ru
require 'rack-fluentd-logger'
Rack::FluentdLogger.configure(
name: 'your-app-log-name',
host: 'your-fluentd-host',
port: 24224
)
use Rack::FluentdLogger
run YourApplicationConfiguration Options
| name | default | description |
|---|---|---|
| name | ENV['FLUENTD_NAME'] |
application name to use for fluentd logs |
| host | ENV['FLUENTD_HOST'] |
fluentd server hostname/ip |
| port | ENV['FLUENTD_PORT'] || 24_224 |
fluentd server port |
| json_parser | ->(str) { JSON.parse(str) } |
used to parse response bodies if they are application/json
|
| preprocessor | ->(s) { s } |
callback for any additional processing/scrubbing of data before sending it off |
Event Data
Events sent to fluentd have the following structure
{
env: {
# everything from the rack env that's an array/hash/string/number
},
timestamp: Time.now, # current time when the log event is recorded
response_time: 0.012, # length of time in seconds for response from rack
code: 200, # http response code from rack app
body: [], # body from rack app (when the content_type is json, it's parsed)
headers: {} # http headers from the rack app
}