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# Cloudtasker Cron Jobs **Note**: this extension requires redis The Cloudtasker cron job extension allows you to register workers to run at fixed intervals, using a cron expression. You can validate your cron expressions using [crontab.guru](https://crontab.guru). ## Configuration You can schedule cron jobs by adding the following to your cloudtasker initializer: ```ruby # The cron job extension is optional and must be explicitly required require 'cloudtasker/cron' Cloudtasker.configure do |config| # Specify your redis url. # Defaults to `redis://localhost:6379/0` if unspecified config.redis = { url: 'redis://some-host:6379/0' } end # Specify all your cron jobs below. This will synchronize your list of cron jobs (cron jobs previously created and not listed below will be removed). unless Rails.env.test? Cloudtasker::Cron::Schedule.load_from_hash!( # Run job every minute some_schedule_name: { worker: 'SomeCronWorker', cron: '* * * * *' }, # Run job every hour on the fifteenth minute other_cron_schedule: { worker: 'OtherCronWorker', cron: '15 * * * *', queue: 'critical' args: - 'foo' - 'bar } ) end ``` ## Using a configuration file You can maintain the list of cron jobs in a YAML file inside your config folder if you prefer: ```yml # config/cloudtasker_cron.yml # Run job every minute some_schedule_name: worker: 'SomeCronWorker' cron: => '* * * * *' # Run job every hour on the fifteenth minute other_cron_schedule: worker: 'OtherCronWorker' cron: => '15 * * * *' ``` Then register the jobs inside your Cloudtasker initializer this way: ```ruby # config/initializers/cloudtasker.rb # ... Cloudtasker configuration ... schedule_file = 'config/cloudtasker_cron.yml' if File.exist?(schedule_file) && !Rails.env.test? Cloudtasker::Cron::Schedule.load_from_hash!(YAML.load_file(schedule_file)) end ```
Version data entries
1 entries across 1 versions & 1 rubygems
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cloudtasker-0.8.0 | docs/CRON_JOBS.md |