在 /etc/puppet/modules 目录下创建如下文件结构： modules└── cmdb    ├── lib    │   └── puppet    │       └── reports    │           └── cmdb.rb    └── manifests        └── init.pp################ cmdb.rb ################# cmdb.rbrequire ‘puppet‘require ‘fileutils‘require ‘puppet/util‘  SEPARATOR = [Regexp.escape(File::SEPARATOR.to_s), Regexp.escape(File::ALT_SEPARATOR.to_s)].join  Puppet::Reports.register_report(:cmdb) do  desc "Store server info    These files collect quickly -- one every half hour -- so it is a good idea    to perform some maintenance on them if you use this report (it‘s the only    default report)."    def process    certname = self.name    now = Time.now.gmtime    File.open("/tmp/cmdb.json",‘a‘) do |f|      f.write(certname)      f.write(‘ | ‘)      f.write(now)      f.write("\r\n")    end    endend################ 配置 ################/etc/puppet/puppet.conf[main]reports = cmdb#report = true #默认#pluginsync ＝ true #默认 自定义factor示例

$LOAD_PATH.unshift(File.dirname(__FILE__)) unless $LOAD_PATH.include?(File.dirname(__FILE__))require "rubygems"require ‘pp‘require ‘json‘require ‘utils‘def dmi_get_ram(cmd)    ram_slot = []    key_map = {        ‘Size‘ => ‘capacity‘,        ‘Serial Number‘ => ‘sn‘,        ‘Type‘ => ‘model‘,        ‘Manufacturer‘ => ‘manufactory‘,        ‘Locator‘ => ‘slot‘,    }    output = Utils.facter_exec(cmd)    devices = output.split(‘Memory Device‘)    devices.each do |d|      next if d.strip.empty?      segment = {}      d.strip.split("\n\t").each do |line|        key, value = line.strip.split(":")        if key_map.has_key?(key.strip)          if key.strip == ‘Size‘            segment[key_map[‘Size‘]] = value.chomp("MB").strip.to_i / 1024.0 # unit GB          else            segment[key_map[key.strip]] =  value ? value.strip : ‘‘          end        end      end      ram_slot.push(segment) unless segment.empty?    end    return ram_slotendFacter.add("ram") do  confine :kernel => "Linux"  setcode do    ram_slot = []    cmd = "dmidecode -q -t 17 2>/dev/null"    ram_slot = dmi_get_ram(cmd)    JSON.dump(ram_slot)  endendFacter.add("ram") do  confine :kernel => ‘windows‘  setcode do    ram_slot = []    if Facter.value(:manufacturer)  =~ /.*HP.*/i      cli = ‘C:\cmdb_report\dmidecode.exe‘      cmd = "#{cli} -q -t 17"      ram_slot = dmi_get_ram(cmd) if File.exist?(cli)    else      require ‘facter/util/wmi‘      Facter::Util::WMI.execquery("select * from Win32_PhysicalMemory").each do | item |        if item.DeviceLocator          slot = item.DeviceLocator.strip        else          slot = ‘‘        end        if item.PartNumber          model = item.PartNumber.strip        else          model = ‘‘        end        if item.SerialNumber          sn = item.SerialNumber.strip        else          sn = ‘‘        end        if item.Manufacturer          manufactory = item.Manufacturer.strip        else          manufactory = ‘‘        end        ram_slot.push({         ‘capacity‘ => item.Capacity.to_i / (1024**3), # unit GB         ‘slot‘ => slot,         ‘model‘ => model,         ‘sn‘ => sn,         ‘manufactory‘ => manufactory,       })      end    end    JSON.dump(ram_slot)  endend内存信息