collectd: fix dhcpcount

salt/collectd/dhcpcount.rb

@@ -10,16 +10,14 @@ loop do
   seen = {}
   count = 0
 
+  addr = nil
   starts = nil
   ends = nil
-  ignore = false
 
   IO::readlines("/var/lib/dhcp/dhcpd.leases").each do |line|
     if line =~ /^lease (.+) \{/
       addr = $1
-      ignore = seen[addr]
 
-      seen[addr] = true
       starts = nil
       ends = nil
     elsif line =~ /starts \d+ (.+?);/
@@ -28,9 +26,13 @@ loop do
       ends = DateTime.parse $1
     elsif line =~ /^\}/
       now = DateTime.now
-      if (not ignore) and starts and ends and
+      if starts and ends and
          starts <= now and ends >= now and
-        count += 1
+
+        unless seen[addr]
+          count += 1
+          seen[addr] = true
+        end
       end
     end
   end