Class: Inspec::Resources::GemPackage

Inherits:
Object
  • Object
show all
Defined in:
lib/inspec/resources/gem.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(package_name, gem_binary = nil) ⇒ GemPackage

Returns a new instance of GemPackage.



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# File 'lib/inspec/resources/gem.rb', line 19

def initialize(package_name, gem_binary = nil)
  @package_name = package_name
  @gem_binary = case gem_binary # TODO: no. this is not right
                when nil
                  "gem"
                when :chef
                  if inspec.os.windows?
                    # TODO: what about chef-dk or other installs?
                    'c:\opscode\chef\embedded\bin\gem.bat'
                  else
                    "/opt/chef/embedded/bin/gem"
                  end
                when :chef_server
                  "/opt/opscode/embedded/bin/gem"
                else
                  gem_binary
                end
  skip_resource "Unable to retrieve gem information" if info.empty?
end

Instance Attribute Details

#gem_binary ⇒ Object (readonly)

Returns the value of attribute gem_binary.



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# File 'lib/inspec/resources/gem.rb', line 17

def gem_binary
  @gem_binary
end

Instance Method Details

#info ⇒ Object 



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# File 'lib/inspec/resources/gem.rb', line 39

def info
  return @info if defined?(@info)

  require "inspec/resources/command"

  cmd = inspec.command("#{@gem_binary} list --local -a -q \^#{@package_name}\$")
  return {} unless cmd.exit_status == 0

  # extract package name and version
  # parses data like winrm (1.3.4, 1.3.3)
  params = /^\s*([^\(]*?)\s*\((.*?)\)\s*$/.match(cmd.stdout.chomp)
  @info = {
    installed: !params.nil?,
    type: "gem",
  }
  return @info unless @info[:installed]

  versions = params[2].split(",").map(&:strip)
  @info[:name] = params[1]
  @info[:version] = versions[0]
  @info[:versions] = versions
  @info
end

#installed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inspec/resources/gem.rb', line 63

def installed?
  info[:installed] == true
end

#to_s ⇒ Object 



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# File 'lib/inspec/resources/gem.rb', line 76

def to_s
  "gem package #{@package_name}"
end

#version ⇒ Object 



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# File 'lib/inspec/resources/gem.rb', line 67

def version
  info[:version]
end

#versions ⇒ Object

this returns an array of strings



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# File 'lib/inspec/resources/gem.rb', line 72

def versions
  info[:versions]
end