lib/ganymed/collector/network.rb in ganymed-0.1.0 vs lib/ganymed/collector/network.rb in ganymed-0.1.1

@@ -5,14 +5,20 @@
 
 module Ganymed
   class Collector
     class Network < Base
       def collect!
+        return if not File.readable?('/proc/net/dev')
+
         File.open('/proc/net/dev') do |f|
           f.each do |line|
             next unless line =~ /:/
+
             ns = Struct::NetworkStat.new(*line.strip.split(/\s+/))
             ns.dev.sub!(/:$/, '')
+
+            next if @config.exclude.map {|e| Regexp.new(e).match(ns.dev)}.any?
+
             @sampler.emit(:derive, "os.net.#{ns.dev}.rbytes", ns.rbytes)
             @sampler.emit(:derive, "os.net.#{ns.dev}.wbytes", ns.wbytes)
             @sampler.emit(:derive, "os.net.#{ns.dev}.rpackets", ns.rpackets)
             @sampler.emit(:derive, "os.net.#{ns.dev}.wpackets", ns.wpackets)
             @sampler.emit(:derive, "os.net.#{ns.dev}.rerrs", ns.rerrs)