moltenbar/mod/network

# vim: ft=ruby

class Network < Worker
	require 'open3'

	def mainloop()
		self.write "checking..."

		while true do
			self.write network_status
			sleep(10)
		end
	end

	def network_status
		hosts = @config['mod']['network']['hosts']

		net_fail = 0
		hosts.each do |h|
			i,o,t = Open3.popen2("ping", "-c", "1", h)
			t.join

			net_fail += 1 unless t.value.exitstatus == 0
		end

		if net_fail == 0
			status = "ok"
			fg_colour = @config['mod']['network']['ok_colour']
		elsif net_fail == hosts.length
			status = "CRIT: all hosts failed!"
			fg_colour = @config['mod']['network']['crit_colour']
		else
			status = "WARN: #{net_fail} host(s) failed"
			fg_colour = @config['mod']['network']['warn_colour']
		end

		return "%{F#{fg_colour}}#{status}%{F-}"
	end
end

Modules.add("network", "Network")