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|
# frozen_string_literal: true
# Some recurring background jobs can take a lot of resources, and others even
# include pinging other pods, like recurring_pod_check. Having all jobs run at
# 0 UTC causes a high local load, as well as a little bit of DDoSing through
# the network, as pods try to ping each other.
#
# As Sidekiq-Cron does not support random offsets, we have to take care of that
# ourselves, so let's add jobs with random work times.
# rubocop:disable Metrics/MethodLength
def default_job_config
random_hour = lambda { rand(24) }
random_minute = lambda { rand(60) }
{
check_birthday: {
"cron": "0 0 * * *",
"class": "Workers::CheckBirthday"
},
clean_cached_files: {
"cron": "#{random_minute.call} #{random_hour.call} * * *",
"class": "Workers::CleanCachedFiles"
},
cleanup_old_exports: {
"cron": "#{random_minute.call} #{random_hour.call} * * *",
"class": "Workers::CleanupOldExports"
},
cleanup_pending_photos: {
"cron": "#{random_minute.call} #{random_hour.call} * * *",
"class": "Workers::CleanupPendingPhotos"
},
queue_users_for_removal: {
"cron": "#{random_minute.call} #{random_hour.call} * * *",
"class": "Workers::QueueUsersForRemoval"
},
recheck_scheduled_pods: {
"cron": "*/30 * * * *",
"class": "Workers::RecheckScheduledPods"
},
recurring_pod_check: {
"cron": "#{random_minute.call} #{random_hour.call} * * *",
"class": "Workers::RecurringPodCheck"
}
}
end
# rubocop:enable Metrics/MethodLength
def valid_config?(path)
return false unless File.exist?(path)
current_config = YAML.load_file(path)
# If they key don't match the current default config keys, a new job has
# been added, so we nede to regenerate the config to have the new job
# running
return false unless current_config.keys == default_job_config.keys
# If recurring_pod_check is still running at midnight UTC, the config file
# is probably from a previous version, and that's bad, so we need to
# regenerate
current_config[:recurring_pod_check][:cron] != "0 0 * * *"
end
def regenerate_config(path)
job_config = default_job_config
File.open(path, "w") do |schedule_file|
schedule_file.write(job_config.to_yaml)
end
end
if Sidekiq.server?
schedule_file_path = Rails.root.join("config", "schedule.yml")
regenerate_config(schedule_file_path) unless valid_config?(schedule_file_path)
Sidekiq::Cron::Job.load_from_hash YAML.load_file(schedule_file_path)
end
|
