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|
require 'fileutils'
module Mauve
module Notifiers
#
# The Debug module adds two extra parameters to a notification method
# for debugging and testing.
#
module Debug
class << self
def included(base)
base.class_eval do
alias_method :send_alert_without_debug, :send_alert
alias_method :send_alert, :send_alert_to_debug_channels
end
end
def extended(base)
base.instance_eval do
alias :send_alert_without_debug :send_alert
alias :send_alert :send_alert_to_debug_channels
end
end
end
# Specifying deliver_to_file allows the administrator to ask for alerts
# to be delivered to a particular file, which is assumed to be perused
# by a person rather than a machine.
#
def deliver_to_file
@deliver_to_file
end
def deliver_to_file=(fn)
@deliver_to_file = fn
end
# Specifying deliver_to_queue allows a tester to ask for the send_alert
# parameters to be appended to a Queue object (or anything else that
# responds to <<).
#
def deliver_to_queue
@deliver_to_queue
end
def deliver_to_queue=(q)
@deliver_to_queue = q
end
def disable_normal_delivery!
@disable_normal_delivery = true
end
def send_alert_to_debug_channels(destination, alert, all_alerts, conditions = nil)
message = if self.respond_to?(:prepare_message)
prepare_message(destination, alert, all_alerts, conditions)
else
[destination, alert, all_alerts].inspect
end
if deliver_to_file
File.open("#{deliver_to_file}", "a+") do |fh|
fh.flock(File::LOCK_EX)
fh.print YAML.dump([Time.now, self.class, destination, message])
fh.flush()
end
end
deliver_to_queue << [Time.now, self.class, destination, message] if deliver_to_queue
if @disable_normal_delivery
true # pretend it happened OK if we're just testing
else
send_alert_without_debug(destination, alert, all_alerts, conditions)
end
end
end
end
end
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