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

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

Constant Summary collapse

DPKG_INFO = 
/([a-z\d\-\+\.]+)\t([\w\d.~-]+)/
DPKG_INSTALLED = 
/^Status: install ok installed/
DPKG_VERSION = 
/^Version: (.+)$/

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Attribute Summary

Attributes inherited from Apt

#is_virtual_package

Attributes inherited from Chef::Provider::Package

#candidate_version

Attributes inherited from Chef::Provider

#action, #current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods included from Mixin::GetSourceFromPackage

#initialize

Methods inherited from Apt

#check_package_state, #default_release_options, #preseed_package, #reconfig_package, #upgrade_package

Methods included from Mixin::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!

Methods inherited from Chef::Provider::Package

#action_install, #action_purge, #action_reconfig, #action_remove, #action_upgrade, #expand_options, #get_preseed_file, #initialize, #preseed_package, #preseed_resource, #reconfig_package, #removing_package?, #target_version_already_installed?, #upgrade_package, #whyrun_supported?

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #output_of_command, #run_command, #run_command_with_systems_locale

Methods included from Mixin::Command::Windows

#popen4

Methods included from Mixin::Command::Unix

#popen4

Methods inherited from Chef::Provider

#action_nothing, #cleanup_after_converge, #cookbook_name, #events, #initialize, #node, #process_resource_requirements, #requirements, #resource_collection, #run_action, #set_updated_status, #whyrun_mode?, #whyrun_supported?

Methods included from DSL::Recipe

#method_missing

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::DSL::Recipe

Instance Method Details

#define_resource_requirements ⇒ Object 



33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/chef/provider/package/dpkg.rb', line 33

def define_resource_requirements
  super
  requirements.assert(:install) do |a| 
    a.assertion{ not @new_resource.source.nil? }
    a.failure_message Chef::Exceptions::Package, "Source for package #{@new_resource.name} required for action install"
  end

  # TODO this was originally written for any action in which .source is provided
  # but would it make more sense to only look at source if the action is :install?
  requirements.assert(:all_actions) do |a| 
    a.assertion { @source_exists }
    a.failure_message Chef::Exceptions::Package, "Package #{@new_resource.name} not found: #{@new_resource.source}"
    a.whyrun "Assuming it would have been previously downloaded."
  end
end

#install_package(name, version) ⇒ Object 



99
100
101
102
103
104
105
106
 
# File 'lib/chef/provider/package/dpkg.rb', line 99

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 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
 
# File 'lib/chef/provider/package/dpkg.rb', line 49

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

  if @new_resource.source
    @source_exists = ::File.exists?(@new_resource.source) 
    if @source_exists
      # Get information from the package if supplied
      Chef::Log.debug("#{@new_resource} checking dpkg status")
      status = popen4("dpkg-deb -W #{@new_resource.source}") do |pid, stdin, stdout, stderr|
        stdout.each_line do |line|
          if pkginfo = DPKG_INFO.match(line)
            @current_resource.package_name(pkginfo[1])
            @new_resource.version(pkginfo[2])
          end
        end
      end
    else
      # Source provided but not valid means we can't safely do further processing
      return
    end

  end
  
  # Check to see if it is installed
  package_installed = nil
  Chef::Log.debug("#{@new_resource} checking install state")
  status = popen4("dpkg -s #{@current_resource.package_name}") do |pid, stdin, stdout, stderr|
    stdout.each_line do |line|
      case line
      when DPKG_INSTALLED
        package_installed = true
      when DPKG_VERSION
        if package_installed
          Chef::Log.debug("#{@new_resource} 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 



117
118
119
120
121
122
123
124
 
# File 'lib/chef/provider/package/dpkg.rb', line 117

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 



108
109
110
111
112
113
114
115
 
# File 'lib/chef/provider/package/dpkg.rb', line 108

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