memory.rb in riemann-babbler-2.0.0pre1

- old
+ new
@@ -1,34 +1,38 @@
-#encoding: utf-8
+class Riemann::Babbler::Plugin::Memory < Riemann::Babbler::Plugin
 
-class Riemann::Babbler::Memory < Riemann::Babbler
+  def init
+    plugin.set_default(:service, 'memory')
+    plugin.states.set_default(:warning, 70)
+    plugin.states.set_default(:critical, 85)
+  end
 
   def collect
-    m = File.read('/proc/meminfo').split(/\n/).inject({}) { |info, line|
-      x = line.split(/:?\s+/)
+    m       = File.read('/proc/meminfo').split(/\n/).inject({}) { |info, line|
+      x          = line.split(/:?\s+/)
       info[x[0]] = x[1].to_i
       info
     }
-    free = m['MemFree'].to_i * 1024
-    cached =m['Cached'].to_i * 1024
+    free    = m['MemFree'].to_i * 1024
+    cached  =m['Cached'].to_i * 1024
     buffers =m['Buffers'].to_i * 1024
-    total = m['MemTotal'].to_i * 1024
-    used = total - free
+    total   = m['MemTotal'].to_i * 1024
+    used    = total - free
     free_bc = free + buffers + cached
 
-    fraction = 1 - (free_bc.to_f / total)
+    fraction      = 1 - (free_bc.to_f / total)
     swap_fraction = m['SwapTotal'] == 0 ? 0 : 1 - m['SwapFree'].to_f/m['SwapTotal']
 
     desc = "#{shell('ps -eo pmem,pid,cmd --sort -pmem | head -3').chomp}"
     [
-      { :service => plugin.service + ' % free', :description => 'Memory usage, %', :metric => fraction.round(2) * 100 },
-      { :service => plugin.service + ' % swap', :description => 'Swap usage, %', :metric => swap_fraction.round(2) * 100 },
-      { :service => plugin.service + ' abs free', :description => "Memory free (kB)\n\n #{desc}", :metric => free, :state => 'ok' },
-      { :service => plugin.service + ' abs total', :description => "Memory total (kB)\n\n #{desc}", :metric => total, :state => 'ok' },
-      { :service => plugin.service + ' abs cached', :description => "Memory usage, cached (kB)\n\n #{desc}",  :metric => cached, :state => 'ok' },
-      { :service => plugin.service + ' abs buffers', :description => "Memory usage, buffers (kB)\n\n #{desc}", :metric => buffers, :state => 'ok' },
-      { :service => plugin.service + ' abs used', :description => "Memory usage, used (kB)\n\n #{desc}", :metric => used , :state => 'ok' },
-      { :service => plugin.service + ' abs free_bc', :description => "Memory usage with cache и buffers (kB)\n\n #{desc}", :metric => free_bc , :state => 'ok' }
+        { :service => plugin.service + ' % free', :description => 'Memory usage, %', :metric => fraction.round(2) * 100 },
+        { :service => plugin.service + ' % swap', :description => 'Swap usage, %', :metric => swap_fraction.round(2) * 100 },
+        { :service => plugin.service + ' abs free', :description => "Memory free (kB)\n\n #{desc}", :metric => free, :state => 'ok' },
+        { :service => plugin.service + ' abs total', :description => "Memory total (kB)\n\n #{desc}", :metric => total, :state => 'ok' },
+        { :service => plugin.service + ' abs cached', :description => "Memory usage, cached (kB)\n\n #{desc}", :metric => cached, :state => 'ok' },
+        { :service => plugin.service + ' abs buffers', :description => "Memory usage, buffers (kB)\n\n #{desc}", :metric => buffers, :state => 'ok' },
+        { :service => plugin.service + ' abs used', :description => "Memory usage, used (kB)\n\n #{desc}", :metric => used, :state => 'ok' },
+        { :service => plugin.service + ' abs free_bc', :description => "Memory usage with cache and buffers (kB)\n\n #{desc}", :metric => free_bc, :state => 'ok' }
     ]
   end
 
 end