Class: SystemdMon::NotificationCentre

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/systemd_mon/notification_centre.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ NotificationCentre

Returns a new instance of NotificationCentre.



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# File 'lib/systemd_mon/notification_centre.rb', line 8

def initialize
  self.notifiers = []
end

Instance Method Details

#add_notifier(notifier) ⇒ Object Also known as: << 



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# File 'lib/systemd_mon/notification_centre.rb', line 22

def add_notifier(notifier)
  unless notifier.respond_to?(:notify!)
    raise NotifierError, "Notifier #{notifier.class} must respond to 'notify!'"
  end
  self.notifiers << notifier
end

#classes ⇒ Object 



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# File 'lib/systemd_mon/notification_centre.rb', line 12

def classes
  notifiers.map(&:class)
end

#each ⇒ Object 



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# File 'lib/systemd_mon/notification_centre.rb', line 16

def each
  notifiers.each do |notifier|
    yield notifier
  end
end

#notify!(notification) ⇒ Object 



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# File 'lib/systemd_mon/notification_centre.rb', line 51

def notify!(notification)
  each_notifier do |notifier|
    Logger.puts "Notifying state change of #{notification.unit.name} via #{notifier.class}"
    notifier.notify! notification
  end
end

#notify_start!(hostname) ⇒ Object 



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# File 'lib/systemd_mon/notification_centre.rb', line 29

def notify_start!(hostname)
  each_notifier do |notifier|
    if notifier.respond_to?(:notify_start!)
      Logger.puts "Notifying SystemdMon start via #{notifier.class}"
      notifier.notify_start! hostname
    else
      Logger.debug { "#{notifier.class} doesn't respond to 'notify_start!', not sending notification" }
    end
  end
end

#notify_stop!(hostname) ⇒ Object 



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# File 'lib/systemd_mon/notification_centre.rb', line 40

def notify_stop!(hostname)
  each_notifier do |notifier|
    if notifier.respond_to?(:notify_stop!)
      Logger.puts "Notifying SystemdMon stop via #{notifier.class}"
      notifier.notify_stop! hostname
    else
      Logger.debug { "#{notifier.class} doesn't respond to 'notify_start!', not sending notification" }
    end
  end
end