Class: KamalBackup::Scheduler

Inherits:
Object
  • Object
show all
Defined in:
lib/kamal_backup/scheduler.rb

Instance Method Summary collapse

Constructor Details

#initialize(config, &backup_block) ⇒ Scheduler

Returns a new instance of Scheduler.



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# File 'lib/kamal_backup/scheduler.rb', line 7

def initialize(config, &backup_block)
  @config = config
  @backup_block = backup_block
  @stop = false
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/kamal_backup/scheduler.rb', line 13

def run
  $stdout.sync = true
  $stderr.sync = true

  install_signal_handlers

  unless @config.backup_enabled?
    # Stay up rather than exit: the accessory is still how restore, list, check and
    # evidence reach the repository, and exiting would restart-loop under Kamal's
    # `--restart unless-stopped`. Set backup.enabled to true and redeploy to resume.
    log('scheduled backups are disabled (backup.enabled is false); no backups will be taken')
    idle_until_stopped
    log("scheduler stopped at #{Time.now.utc.iso8601}")
    return
  end

  sleep_interruptibly(@config.backup_start_delay_seconds)

  until @stop
    started_at = Time.now.utc
    log("backup started at #{started_at.iso8601}")
    begin
      @backup_block.call
      log("backup completed at #{Time.now.utc.iso8601}")
    rescue StandardError => e
      warn("ERROR [kamal-backup] backup failed at #{Time.now.utc.iso8601}: #{e.class}: #{e.message}")
    end

    sleep_interruptibly(@config.backup_schedule_seconds)
  end

  log("scheduler stopped at #{Time.now.utc.iso8601}")
end