Method: Inspec::Resources::WMI#params

Defined in:
lib/inspec/resources/wmi.rb

#params ⇒ Object 



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# File 'lib/inspec/resources/wmi.rb', line 55

def params
  return @content if defined?(@content)

  @content = {}

  # abort if no options are available
  return @content unless defined?(@options)

  # filter for supported options
  args = @options.select { |key, _value| %i{class namespace query filter}.include?(key) }

  # convert to Get-WmiObject arguments
  params = ""
  args.each { |key, value| params += " -#{key} \"#{value.gsub('"', '`"')}\"" }

  # run wmi command and filter empty wmi
  script = <<-EOH
  Function Aggregate {
    $propsHash = @{}
    ForEach ($wmiObj in $Input) {
      ForEach ($wmiProp in $wmiObj.properties) {
        If($propsHash.ContainsKey($wmiProp.name)) {
          $propsHash[$wmiProp.name].add($wmiProp.value) | Out-Null
        } Else {
          $propsHash[$wmiProp.name] = [System.Collections.ArrayList]@($wmiProp.value)
        }
      }
    }
    $propsHash
  }
  Get-WmiObject #{params} | Aggregate | ConvertTo-Json
  EOH

  # run wmi command
  cmd = inspec.powershell(script)
  @content = JSON.parse(cmd.stdout)

  # make all keys case-insensitive
  @content = lowercase_keys(@content)
rescue JSON::ParserError => _e
  @content
end