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|
# memory.rb
# Additional Facts for memory/swap usage
#
# Copyright (C) 2006 Mooter Media Ltd
# Author: Matthew Palmer <matt@solutionsfirst.com.au>
#
#
require 'facter/util/memory'
{ :MemorySize => "MemTotal",
:MemoryFree => "MemFree",
:SwapSize => "SwapTotal",
:SwapFree => "SwapFree"
}.each do |fact, name|
Facter.add(fact) do
confine :kernel => [ :linux, :"gnu/kfreebsd" ]
setcode do
Facter::Memory.meminfo_number(name)
end
end
end
Facter.add("SwapSize") do
confine :kernel => :Darwin
setcode do
swap = Facter::Util::Resolution.exec('sysctl vm.swapusage')
swaptotal = 0
if swap =~ /total = (\S+)/ then swaptotal = $1; end
swaptotal
end
end
Facter.add("SwapFree") do
confine :kernel => :Darwin
setcode do
swap = Facter::Util::Resolution.exec('sysctl vm.swapusage')
swapfree = 0
if swap =~ /free = (\S+)/ then swapfree = $1; end
swapfree
end
end
Facter.add("SwapEncrypted") do
confine :kernel => :Darwin
setcode do
swap = Facter::Util::Resolution.exec('sysctl vm.swapusage')
encrypted = false
if swap =~ /\(encrypted\)/ then encrypted = true; end
encrypted
end
end
if Facter.value(:kernel) == "AIX" and Facter.value(:id) == "root"
swap = Facter::Util::Resolution.exec('swap -l')
swapfree, swaptotal = 0, 0
swap.each do |dev|
if dev =~ /^\/\S+\s.*\s+(\S+)MB\s+(\S+)MB/
swaptotal += $1.to_i
swapfree += $2.to_i
end
end
Facter.add("SwapSize") do
confine :kernel => :aix
setcode do
Facter::Memory.scale_number(swaptotal.to_f,"MB")
end
end
Facter.add("SwapFree") do
confine :kernel => :aix
setcode do
Facter::Memory.scale_number(swapfree.to_f,"MB")
end
end
end
if Facter.value(:kernel) == "OpenBSD"
swap = Facter::Util::Resolution.exec('swapctl -l | sed 1d')
swapfree, swaptotal = 0, 0
swap.each do |dev|
if dev =~ /^\S+\s+(\S+)\s+\S+\s+(\S+)\s+.*$/
swaptotal += $1.to_i
swapfree += $2.to_i
end
end
Facter.add("SwapSize") do
confine :kernel => :openbsd
setcode do
Facter::Memory.scale_number(swaptotal.to_f,"kB")
end
end
Facter.add("SwapFree") do
confine :kernel => :openbsd
setcode do
Facter::Memory.scale_number(swapfree.to_f,"kB")
end
end
Facter::Memory.vmstat_find_free_memory()
Facter.add("MemoryTotal") do
confine :kernel => :openbsd
memtotal = Facter::Util::Resolution.exec("sysctl hw.physmem | cut -d'=' -f2")
setcode do
Facter::Memory.scale_number(memtotal.to_f,"")
end
end
end
if Facter.value(:kernel) == "Darwin"
swap = Facter::Util::Resolution.exec('sysctl vm.swapusage')
swapfree, swaptotal = 0, 0
unless swap.empty?
# Parse the line:
# vm.swapusage: total = 128.00M used = 0.37M free = 127.63M (encrypted)
if swap =~ /total\s=\s(\S+)\s+used\s=\s(\S+)\s+free\s=\s(\S+)\s/
swaptotal += $1.to_i
swapfree += $3.to_i
end
end
Facter.add("SwapSize") do
confine :kernel => :Darwin
setcode do
Facter::Memory.scale_number(swaptotal.to_f,"MB")
end
end
Facter.add("SwapFree") do
confine :kernel => :Darwin
setcode do
Facter::Memory.scale_number(swapfree.to_f,"MB")
end
end
Facter::Memory.vmstat_darwin_find_free_memory()
Facter.add("MemoryTotal") do
confine :kernel => :Darwin
memtotal = Facter::Util::Resolution.exec("sysctl hw.memsize | cut -d':' -f2")
setcode do
Facter::Memory.scale_number(memtotal.to_f,"")
end
end
end
if Facter.value(:kernel) == "SunOS"
swap = Facter::Util::Resolution.exec('/usr/sbin/swap -l')
swapfree, swaptotal = 0, 0
swap.each do |dev|
if dev =~ /^\/\S+\s.*\s+(\d+)\s+(\d+)$/
swaptotal += $1.to_i / 2
swapfree += $2.to_i / 2
end
end
Facter.add("SwapSize") do
confine :kernel => :sunos
setcode do
Facter::Memory.scale_number(swaptotal.to_f,"kB")
end
end
Facter.add("SwapFree") do
confine :kernel => :sunos
setcode do
Facter::Memory.scale_number(swapfree.to_f,"kB")
end
end
# Total memory size available from prtconf
pconf = Facter::Util::Resolution.exec('/usr/sbin/prtconf')
phymem = ""
pconf.each do |line|
if line =~ /^Memory size:\s+(\d+) Megabytes/
phymem = $1
end
end
Facter.add("MemorySize") do
confine :kernel => :sunos
setcode do
Facter::Memory.scale_number(phymem.to_f,"MB")
end
end
Facter::Memory.vmstat_find_free_memory()
end
|
