Class: Chef::Provider::Package::Apt

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

Direct Known Subclasses

Dpkg

Instance Attribute Summary

Attributes inherited from Chef::Provider::Package

#candidate_version

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, #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

#install_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/apt.rb', line 63

def install_package(name, version)
  run_command_with_systems_locale(
    :command => "apt-get -q -y#{expand_options(@new_resource.options)} install #{name}=#{version}",
    :environment => {
      "DEBIAN_FRONTEND" => "noninteractive"
    }
  )
end

#load_current_resource ⇒ Object 



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

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

  Chef::Log.debug("Checking apt-cache policy for #{@new_resource.package_name}")
  status = popen4("apt-cache policy #{@new_resource.package_name}") do |pid, stdin, stdout, stderr|
    stdout.each do |line|
      case line
      when /^\s{2}Installed: (.+)$/
        installed_version = $1
        if installed_version == '(none)'
          Chef::Log.debug("Current version is nil")
          @current_resource.version(nil)
        else
          Chef::Log.debug("Current version is #{installed_version}")
          @current_resource.version(installed_version)
        end
      when /^\s{2}Candidate: (.+)$/
        Chef::Log.debug("Current version is #{$1}")                
        @candidate_version = $1
      end
    end
  end

  unless status.exitstatus == 0
    raise Chef::Exceptions::Package, "apt-cache failed - #{status.inspect}!"
  end
  
  if @candidate_version == "(none)"
    raise Chef::Exceptions::Package, "apt does not have a version of package #{@new_resource.package_name}"
  end

  @current_resource
end

#preseed_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/apt.rb', line 94

def preseed_package(name, version)
  preseed_file = get_preseed_file(name, version)
  if preseed_file
    Chef::Log.info("Pre-seeding #{@new_resource} with package installation instructions.")
    run_command_with_systems_locale(
      :command => "debconf-set-selections #{preseed_file}",
      :environment => {
        "DEBIAN_FRONTEND" => "noninteractive"
      }
    )
  end
end

#purge_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/apt.rb', line 85

def purge_package(name, version)
  run_command_with_systems_locale(
    :command => "apt-get -q -y#{expand_options(@new_resource.options)} purge #{@new_resource.package_name}",
    :environment => {
      "DEBIAN_FRONTEND" => "noninteractive"
    }
  )
end

#remove_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/apt.rb', line 76

def remove_package(name, version)
  run_command_with_systems_locale(
    :command => "apt-get -q -y#{expand_options(@new_resource.options)} remove #{@new_resource.package_name}",
    :environment => {
      "DEBIAN_FRONTEND" => "noninteractive"
    }
  )
end

#upgrade_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/apt.rb', line 72

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