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Plugin Helper: Timer
The
timer plugin helper manages event timers.Here is an example:
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require 'fluent/plugin/input'
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​
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module Fluent::Plugin
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class ExampleInput < Input
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Fluent::Plugin.register_input('example', self)
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​
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# 1. Load timer helper
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helpers :timer
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​
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# Omit `configure`, `shutdown` and other plugin APIs
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​
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def start
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super
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​
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# 2. Execute timer with unique name and second unit interval
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timer_execute(:example_timer, 10) {
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# ...
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}
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end
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end
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end
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The launched timer is managed by the plugin helper. No need of timer shutdown code in plugin's
shutdown method. The plugin shutdowns the launched timers automatically.Methods
timer_execute(title, interval, repeat: true, &block)
timer_execute(title, interval, repeat: true, &block)This method executes the timer with the given parameters and routine.
title: unique symbol valueinterval: second unitinteger/floatvalue.repeat:true/false(default:true). Iffalse, timer is one-shot.
Code examples:
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# Pass block directly. block is executed in 10 second interval.
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timer_execute(:example_timer, 10) {
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# ...
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}
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​
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# Pass block with existing method. block is executed in 5 second and one-shot.
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timer_execute(:example_timer_run, 5s, repeat: false, &method(:run))
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def run
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# ...
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end
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Plugins using timer
timerIf this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is an open-source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.
Last modified 11mo ago