inspec/lib/resources/gem.rb
Adam Leff da56a08f74 Fix gem resource on Windows
RubyGems on windows comes with a batch file that wraps the `gem` command
so it executes correctly. This change uses that batch file for windows
for our `gem` resource, and also properly handles when we receive no output
from the command.

Signed-off-by: Adam Leff <adam@leff.co>
2017-04-12 17:34:16 +02:00

71 lines
1.8 KiB
Ruby

# encoding: utf-8
# author: Christoph Hartmann
# author: Dominik Richter
# author: Joe Nuspl
module Inspec::Resources
class GemPackage < Inspec.resource(1)
name 'gem'
desc 'Use the gem InSpec audit resource to test if a global gem package is installed.'
example "
describe gem('rubocop') do
it { should be_installed }
its('version') { should eq '0.33.0' }
end
"
attr_reader :gem_binary
def initialize(package_name, gem_binary = nil)
@package_name = package_name
@gem_binary = case gem_binary
when nil
'gem'
when :chef
if inspec.os.windows?
'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
def info
return @info if defined?(@info)
cmd = inspec.command("#{@gem_binary} list --local -a -q \^#{@package_name}\$")
@info = {
installed: cmd.exit_status.zero?,
type: 'gem',
}
return @info unless @info[:installed]
# extract package name and version
# parses data like winrm (1.3.4, 1.3.3)
params = /^\s*([^\(]*?)\s*\((.*?)\)\s*$/.match(cmd.stdout.chomp)
return {} if params.nil?
versions = params[2].split(',')
@info[:name] = params[1]
@info[:version] = versions[0]
@info
end
def installed?
info[:installed] == true
end
def version
info[:version]
end
def to_s
"gem package #{@package_name}"
end
end
end