Sha256: 01ac20f630ac2172e4b6c1043b8e05ce33e53a72946554d050fdddad0eca9e30
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Size: 1.92 KB
Versions: 51
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Stored size: 1.92 KB
Contents
class Riemann::Babbler::Plugin::Memory < Riemann::Babbler::Plugin
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+/)
info[x[0]] = x[1].to_i
info
}
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
free_bc = free + buffers + cached
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 and buffers (kB)\n\n #{desc}", :metric => free_bc, :state => 'ok' }
]
end
end
Version data entries
51 entries across 51 versions & 1 rubygems