Class: Fluent::ApacheModStatus

Inherits:
Input
  • Object
show all
Defined in:
lib/fluent/plugin/in_apache_modstatus.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_apache_modstatus.rb', line 13

def configure(conf)
	super
	require 'net/http'
	require 'uri'
end

#output ⇒ Object 



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# File 'lib/fluent/plugin/in_apache_modstatus.rb', line 35

def output

	record = {}

	page_content = Net::HTTP.get(URI.parse(@url))
	status_values = page_content.lines.map(&:chomp)
	status_values.each do |item|
		if item.include? "Scoreboard: "
#				Scoreboard Key:
#				"_" Waiting for Connection, "S" Starting up, "R" Reading Request,
#				"W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
#				"C" Closing connection, "L" Logging, "G" Gracefully finishing,
#				"I" Idle cleanup of worker, "." Open slot with no current process				
			values = item.split(": ")
			scores = values[1].split(//)
			
			scoreboard = {
				"wait" => 0,
				"start" => 0,
				"read" => 0,
				"reply" => 0,
				"keepalive" => 0,
				"dns" => 0,
				"closing" => 0,
				"log" => 0,
				"graceful" => 0,
				"cleanup" => 0,
				"openslot" => 0
				}
			
			scores.each do |score|
				if score == "_"
					scoreboard["wait"] = scoreboard["wait"] + 1
				elsif score == "S"
					scoreboard["start"] = scoreboard["start"] + 1
				elsif score == "R"
					scoreboard["read"] = scoreboard["read"] + 1
				elsif score == "W"
					scoreboard["reply"] = scoreboard["reply"] + 1
				elsif score == "K"
					scoreboard["keepalive"] = scoreboard["keepalive"] + 1
				elsif score == "D"
					scoreboard["dns"] = scoreboard["dns"] + 1
				elsif score == "C"
					scoreboard["closing"] = scoreboard["closing"] + 1
				elsif score == "L"
					scoreboard["log"] = scoreboard["log"] + 1
				elsif score == "G"
					scoreboard["graceful"] = scoreboard["graceful"] + 1
				elsif score == "I"
					scoreboard["cleanup"] = scoreboard["cleanup"] + 1
				elsif score == "."
					scoreboard["openslot"] = scoreboard["openslot"] + 1
				end
			end
			
			scoreboard.each do |key,score|
				record["scoreboard_count_#{key}"] = score
			end
			
		elsif item.include? ": "
			values = item.split(": ")
			values[0].downcase!
			values[0].gsub!(/ /,"_")
			if valid_float(values[1])
				record[values[0]] = values[1].to_f
			else
				record[values[0]] = values[1]
			end
		end
	end
	

	time = Fluent::Engine.now
	router.emit(tag,time,record)
end

#run ⇒ Object 



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# File 'lib/fluent/plugin/in_apache_modstatus.rb', line 28

def run
	while true
		output
		sleep @refresh_interval
	end
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/in_apache_modstatus.rb', line 112

def shutdown
	@watcher.terminate
	@watcher.join

end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_apache_modstatus.rb', line 23

def start
	super
	@watcher = Thread.new(&method(:run))
end

#valid_float(value) ⇒ Object 



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# File 'lib/fluent/plugin/in_apache_modstatus.rb', line 19

def valid_float(value)
	!!Float(value) rescue false
end