Class: Chef::Provider::Package::Dpkg

Inherits:
Apt show all
Defined in:
lib/chef/provider/package/dpkg.rb

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 Apt

#preseed_package, #upgrade_package

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, #upgrade_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/dpkg.rb', line 80

def install_package(name, version)
  run_command_with_systems_locale(
    :command => "dpkg -i#{expand_options(@new_resource.options)} #{@new_resource.source}",
    :environment => {
      "DEBIAN_FRONTEND" => "noninteractive"
    }
  )
end

#load_current_resource ⇒ Object 



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

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

  # We only -need- source for action install
  if @new_resource.source
    unless ::File.exists?(@new_resource.source)
      raise Chef::Exceptions::Package, "Package #{@new_resource.name} not found: #{@new_resource.source}"
    end

    # Get information from the package if supplied
    Chef::Log.debug("Checking dpkg status for #{@new_resource.package_name}")
    status = popen4("dpkg-deb -W #{@new_resource.source}") do |pid, stdin, stdout, stderr|
      stdout.each do |line|
        if pkginfo = /([a-z\d\-\+]+)\t([\w\d.-]+)/.match(line)
          @current_resource.package_name(pkginfo[1])
          @new_resource.version(pkginfo[2])
        end
      end
    end
  else
    # if the source was not set, and we're installing, fail
    if @new_resource.action.include?(:install)
      raise Chef::Exceptions::Package, "Source for package #{@new_resource.name} required for action install"
    end
  end
  
  # Check to see if it is installed
  package_installed = nil
  Chef::Log.debug("Checking install state for #{@current_resource.package_name}")
  status = popen4("dpkg -s #{@current_resource.package_name}") do |pid, stdin, stdout, stderr|
    stdout.each do |line|
      case line
      when /^Status: install ok installed/
        package_installed = true
      when /^Version: (.+)$/
        if package_installed
          Chef::Log.debug("Current version is #{$1}")                
          @current_resource.version($1)
        end
      end
    end
  end

  unless status.exitstatus == 0 || status.exitstatus == 1
    raise Chef::Exceptions::Package, "dpkg failed - #{status.inspect}!"
  end
  
  @current_resource
end

#purge_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/dpkg.rb', line 98

def purge_package(name, version)
  run_command_with_systems_locale(
    :command => "dpkg -P#{expand_options(@new_resource.options)} #{@new_resource.package_name}",
    :environment => {
      "DEBIAN_FRONTEND" => "noninteractive"
    }
  )
end

#remove_package(name, version) ⇒ Object 



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# File 'lib/chef/provider/package/dpkg.rb', line 89

def remove_package(name, version)
  run_command_with_systems_locale(
    :command => "dpkg -r#{expand_options(@new_resource.options)} #{@new_resource.package_name}",
    :environment => {
      "DEBIAN_FRONTEND" => "noninteractive"
    }
  )
end