Class: Chef::Provider::Package::Portage

Inherits:
Chef::Provider::Package show all
Defined in:
lib/chef/provider/package/portage.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, #filename_to_qualified_string

Methods included from Mixin::RecipeDefinitionDSLCore

#method_missing

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/portage.rb', line 71

def candidate_version
  return @candidate_version if @candidate_version

  status = popen4("emerge --color n --nospinner --search #{@new_resource.package_name.split('/').last}") do |pid, stdin, stdout, stderr|
    available, installed = parse_emerge(@new_resource.package_name, stdout.read)
    @candidate_version = available
  end

  unless status.exitstatus == 0
    raise Chef::Exceptions::Package, "emerge --search failed - #{status.inspect}!"
  end

  @candidate_version

end

#install_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/portage.rb', line 88

def install_package(name, version)
  pkg = "=#{name}-#{version}" 
  
  if(version =~ /^\~(.+)/)
    # If we start with a tilde
    pkg = "~#{name}-#{$1}"
  end
     
  run_command_with_systems_locale(
    :command => "emerge -g --color n --nospinner --quiet#{expand_options(@new_resource.options)} #{pkg}"
  )
end

#load_current_resource ⇒ Object 



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

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

  category = @new_resource.package_name.split('/').first
  pkg = @new_resource.package_name.split('/').last

  @current_resource.version(nil)

  catdir = "/var/db/pkg/#{category}"

  if( ::File.exists?(catdir) )
    Dir.entries(catdir).each do |entry|
      if(entry =~ /^#{Regexp.escape(pkg)}\-(\d[\.\d]*((_(alpha|beta|pre|rc|p)\d*)*)?)/)
        @current_resource.version($1)
        Chef::Log.debug("Got current version #{$1}")
        break
      end
    end
  end

  @current_resource
end

#parse_emerge(package, txt) ⇒ Object 



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# File 'lib/chef/provider/package/portage.rb', line 53

def parse_emerge(package, txt)
  available, installed, pkg = nil
  txt.each do |line|
    if line =~ /\*(.*)/
      pkg = $1.strip
    end
    if (pkg == package) || (pkg.split('/').last == package rescue false)
      if line =~ /Latest version available: (.*)/
        available = $1
      elsif line =~ /Latest version installed: (.*)/
        installed = $1
      end  
    end
  end  
  available = installed unless available
  [available, installed]
end

#purge_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/portage.rb', line 117

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

#remove_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/portage.rb', line 105

def remove_package(name, version)
  if(version)
    pkg = "=#{@new_resource.package_name}-#{version}"
  else            
    pkg = "#{@new_resource.package_name}"
  end

  run_command_with_systems_locale(
    :command => "emerge --unmerge --color n --nospinner --quiet#{expand_options(@new_resource.options)} #{pkg}"
  )
end

#upgrade_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/portage.rb', line 101

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