Class: SysWatch::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/syswatch/runner.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/syswatch/runner.rb', line 7

def initialize options
	@options = {
		:foreground => false,
		:verbose => false,
		:config => SysWatch::DEFAULTS[:config]
	}.merge!(options)

	if read_config
		Process.daemon unless @options[:foreground]

		if @options[:test]
			notify "/foo", 0.1
			return
		end

		begin
			@configuration[:mountpoints].each do |mp|
				examine mp
			end
		end while sleep(@configuration[:delay])
	end
end

Instance Method Details

#examine(mountpoint) ⇒ Object 



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# File 'lib/syswatch/runner.rb', line 30

def examine mountpoint
	stat = Sys::Filesystem.stat(mountpoint)
	percent_left = stat.blocks_available.to_f / stat.blocks.to_f
	puts percent_left
	if percent_left < @configuration[:treshold]/100.0
		notify mountpoint, percent_left
	end
end

#notify(mountpoint, percent_left) ⇒ Object 



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# File 'lib/syswatch/runner.rb', line 39

def notify mountpoint, percent_left
	mail = {
		:subject => "[SysWatch - #{@configuration[:label]}] Alert", 
		:body => ("Mountpoint %s has only %d%% space left!" % [mountpoint, percent_left*100])
	}
	Pony.mail(mail.merge(@configuration[:mail]))
end

#read_config ⇒ Object 



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# File 'lib/syswatch/runner.rb', line 47

def read_config
	@configuration = YAML.load_file(@options[:config])			
rescue
	$stderr.puts "Unable to open config file #{@options[:config]}. Exiting."
	false
end