Class: Chef::Provider::Package::Rubygems

Inherits:
Chef::Provider::Package show all
Defined in:
lib/chef/provider/package/rubygems.rb

Instance Attribute Summary

Attributes inherited from Chef::Provider

#current_resource, #new_resource, #node

Instance Method Summary collapse

Methods inherited from Chef::Provider::Package

#action_install, #action_purge, #action_remove, #action_upgrade, #expand_options, #get_preseed_file, #initialize, #preseed_package, #should_remove_package

Methods included from Mixin::Command

handle_command_failures, not_if, only_if, output_of_command, popen4, run_command, run_command_with_systems_locale

Methods inherited from Chef::Provider

#action_nothing, build_from_file, #initialize

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string

Methods included from Mixin::RecipeDefinitionDSLCore

#method_missing

Methods included from Mixin::Language

#data_bag, #data_bag_item, #platform?, #search, #value_for_platform

Constructor Details

This class inherits a constructor from Chef::Provider::Package

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::Mixin::RecipeDefinitionDSLCore

Instance Method Details

#candidate_version ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 74

def candidate_version
  return @candidate_version if @candidate_version

  status = popen4("#{gem_binary_path} list --remote #{@new_resource.package_name}#{' --source=' + @new_resource.source if @new_resource.source}") do |pid, stdin, stdout, stderr|
    stdout.each do |line|
      installed_versions = gem_list_parse(line)
      next unless installed_versions
      Chef::Log.debug("candidate_version: remote rubygem(s) available: #{installed_versions.inspect}")
      
      unless installed_versions.empty?
        Chef::Log.debug("candidate_version: setting install candidate version to #{installed_versions.first}")
        @candidate_version = installed_versions.first
      end
    end

  end

  unless status.exitstatus == 0
    raise Chef::Exceptions::Package, "#{gem_binary_path} list --remote failed - #{status.inspect}!"
  end
  @candidate_version
end

#gem_binary_path ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 38

def gem_binary_path
  path = @new_resource.gem_binary
  path ? path : 'gem'
end

#gem_list_parse(line) ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 28

def gem_list_parse(line)
  installed_versions = Array.new
  if line.match("^#{@new_resource.package_name} \\((.+?)\\)$")
    installed_versions = $1.split(/, /)
    installed_versions
  else
    nil
  end
end

#install_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 97

def install_package(name, version)
  src = nil
  if @new_resource.source
    src = "  --source=#{@new_resource.source} --source=http://gems.rubyforge.org"
  end  
  run_command_with_systems_locale(
    :command => "#{gem_binary_path} install #{name} -q --no-rdoc --no-ri -v \"#{version}\"#{src}#{opts}"
  )
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 43

def load_current_resource
  @current_resource = Chef::Resource::Package.new(@new_resource.name)
  @current_resource.package_name(@new_resource.package_name)
  @current_resource.version(nil)

  # First, we need to look up whether we have the local gem installed or not
  status = popen4("#{gem_binary_path} list --local #{@new_resource.package_name}") do |pid, stdin, stdout, stderr|
    stdout.each do |line|
      installed_versions = gem_list_parse(line)
      next unless installed_versions
      # If the version we are asking for is installed, make that our current
      # version.  Otherwise, go ahead and use the highest one, which
      # happens to come first in the array.
      if installed_versions.detect { |v| v == @new_resource.version }
        Chef::Log.debug("#{@new_resource.package_name} at version #{@new_resource.version}")
        @current_resource.version(@new_resource.version)
      else
        iv = installed_versions.first
        Chef::Log.debug("#{@new_resource.package_name} at version #{iv}")
        @current_resource.version(iv)
      end
    end
  end
  
  unless status.exitstatus == 0
    raise Chef::Exceptions::Package, "#{gem_binary_path} list --local failed - #{status.inspect}!"
  end
  
  @current_resource
end

#purge_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 123

def purge_package(name, version)
  remove_package(name, version)
end

#remove_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 111

def remove_package(name, version)
  if version
    run_command_with_systems_locale(
      :command => "#{gem_binary_path} uninstall #{name} -q -v \"#{version}\""
    )
  else
    run_command_with_systems_locale(
      :command => "#{gem_binary_path} uninstall #{name} -q -a"
    )
  end
end

#upgrade_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/rubygems.rb', line 107

def upgrade_package(name, version)
  install_package(name, version)
end