Class: Puppet::ModuleTool::Applications::Installer Private

Inherits:
Application show all
Includes:
Forge::Errors, Errors, Shared, Network::Uri
Defined in:
lib/puppet/module_tool/applications/installer.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Constant Summary

Constants inherited from Application

Application::DOCPATTERN

Constants included from Util

Util::ALNUM, Util::ALPHA, Util::AbsolutePathPosix, Util::AbsolutePathWindows, Util::DEFAULT_POSIX_MODE, Util::DEFAULT_WINDOWS_MODE, Util::ESCAPED, Util::HEX, Util::HttpProxy, Util::PUPPET_STACK_INSERTION_FRAME, Util::RESERVED, Util::RFC_3986_URI_REGEX, Util::UNRESERVED, Util::UNSAFE

Constants included from Util::POSIX

Util::POSIX::LOCALE_ENV_VARS, Util::POSIX::USER_ENV_VARS

Constants included from Util::SymbolicFileMode

Util::SymbolicFileMode::SetGIDBit, Util::SymbolicFileMode::SetUIDBit, Util::SymbolicFileMode::StickyBit, Util::SymbolicFileMode::SymbolicMode, Util::SymbolicFileMode::SymbolicSpecialToBit

Instance Attribute Summary

Attributes inherited from Application

#command_line, #options

Instance Method Summary collapse

Methods included from Shared

#add_module_name_constraints_to_graph, #annotated_version, #download_tarballs, #forced?, #get_local_constraints, #get_remote_constraints, #implicit_version, #resolve_constraints

Methods included from Network::Uri

#mask_credentials

Methods inherited from Application

[], #app_defaults, available_application_names, banner, clear!, clear?, clear_everything_for_tests, #configure_indirector_routes, controlled_run, #deprecate, #deprecated?, environment_mode, exit, find, get_environment_mode, #handle_logdest_arg, #handlearg, #help, #initialize_app_defaults, interrupted?, #log_runtime_environment, #main, #name, option, option_parser_commands, #parse_options, #preinit, restart!, restart_requested?, #run_command, run_mode, #set_log_level, #setup, #setup_logs, stop!, stop_requested?, #summary, try_load_class

Methods included from Util

absolute_path?, benchmark, chuser, clear_environment, create_erb, default_env, deterministic_rand, deterministic_rand_int, exit_on_fail, format_backtrace_array, format_puppetstack_frame, get_env, get_environment, logmethods, merge_environment, path_to_uri, pretty_backtrace, replace_file, resolve_stackframe, rfc2396_escape, safe_posix_fork, set_env, skip_external_facts, symbolizehash, thinmark, uri_encode, uri_query_encode, uri_to_path, uri_unescape, which, withenv, withumask

Methods included from Util::POSIX

#get_posix_field, #gid, groups_of, #idfield, #methodbyid, #methodbyname, #search_posix_field, #uid

Methods included from Util::SymbolicFileMode

#display_mode, #normalize_symbolic_mode, #symbolic_mode_to_int, #valid_symbolic_mode?

Constructor Details

#initialize(name, install_dir, options = {}) ⇒ Installer

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Installer.



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# File 'lib/puppet/module_tool/applications/installer.rb', line 23

def initialize(name, install_dir, options = {})
  super(options)

  @action              = :install
  @environment         = options[:environment_instance]
  @ignore_dependencies = forced? || options[:ignore_dependencies]
  @name                = name
  @install_dir         = install_dir

  Puppet::Forge::Cache.clean

  @local_tarball = Puppet::FileSystem.exist?(name)

  if @local_tarball
    release = local_tarball_source.release
    @name = release.name
    options[:version] = release.version.to_s
    SemanticPuppet::Dependency.add_source(local_tarball_source)

    # If we're operating on a local tarball and ignoring dependencies, we
    # don't need to search any additional sources.  This will cut down on
    # unnecessary network traffic.
    unless @ignore_dependencies
      SemanticPuppet::Dependency.add_source(installed_modules_source)
      SemanticPuppet::Dependency.add_source(module_repository)
    end

  else
    SemanticPuppet::Dependency.add_source(installed_modules_source) unless forced?
    SemanticPuppet::Dependency.add_source(module_repository)
  end
end

Instance Method Details

#run ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/puppet/module_tool/applications/installer.rb', line 56

def run
  name = @name.tr('/', '-')
  version = options[:version] || '>= 0.0.0'

  results = { :action => :install, :module_name => name, :module_version => version }

  begin
    if !@local_tarball && name !~ /-/
      raise InvalidModuleNameError.new(module_name: @name, suggestion: "puppetlabs-#{@name}", action: :install)
    end

    installed_module = installed_modules[name]
    if installed_module
      unless forced?
        if Puppet::Module.parse_range(version).include? installed_module.version
          results[:result] = :noop
          results[:version] = installed_module.version
          return results
        else
          changes = begin
            Checksummer.run(installed_modules[name].mod.path)
          rescue
            []
          end
          raise AlreadyInstalledError,
                :module_name => name,
                :installed_version => installed_modules[name].version,
                :requested_version => options[:version] || :latest,
                :local_changes => changes
        end
      end
    end

    @install_dir.prepare(name, options[:version] || 'latest')
    results[:install_dir] = @install_dir.target

    unless @local_tarball && @ignore_dependencies
      Puppet.notice _("Downloading from %{host} ...") % {
        host: mask_credentials(module_repository.host)
      }
    end

    if @ignore_dependencies
      graph = build_single_module_graph(name, version)
    else
      graph = build_dependency_graph(name, version)
    end

    unless forced?
      add_module_name_constraints_to_graph(graph)
    end

    installed_modules.each do |mod, release|
      mod = mod.tr('/', '-')
      next if mod == name

      version = release.version

      next if forced?

      # Since upgrading already installed modules can be troublesome,
      # we'll place constraints on the graph for each installed module,
      # locking it to upgrades within the same major version.
      installed_range = ">=#{version} #{version.major}.x"
      graph.add_constraint('installed', mod, installed_range) do |node|
        Puppet::Module.parse_range(installed_range).include? node.version
      end

      release.mod.dependencies.each do |dep|
        dep_name = dep['name'].tr('/', '-')

        range = dep['version_requirement']
        graph.add_constraint("#{mod} constraint", dep_name, range) do |node|
          Puppet::Module.parse_range(range).include? node.version
        end
      end
    end

    # Ensure that there is at least one candidate release available
    # for the target package.
    if graph.dependencies[name].empty?
      raise NoCandidateReleasesError, results.merge(:module_name => name, :source => module_repository.host, :requested_version => options[:version] || :latest)
    end

    begin
      Puppet.info _("Resolving dependencies ...")
      releases = SemanticPuppet::Dependency.resolve(graph)
    rescue SemanticPuppet::Dependency::UnsatisfiableGraph => e
      unsatisfied = nil

      if e.respond_to?(:unsatisfied) && e.unsatisfied
        constraints = {}
        # If the module we're installing satisfies all its
        # dependencies, but would break an already installed
        # module that depends on it, show what would break.
        if name == e.unsatisfied
          graph.constraints[name].each do |mod, range, _|
            next unless mod.split.include?('constraint')

            # If the user requested a specific version or range,
            # only show the modules with non-intersecting ranges
            if options[:version]
              requested_range = SemanticPuppet::VersionRange.parse(options[:version])
              constraint_range = SemanticPuppet::VersionRange.parse(range)

              if requested_range.intersection(constraint_range) == SemanticPuppet::VersionRange::EMPTY_RANGE
                constraints[mod.split.first] = range
              end
            else
              constraints[mod.split.first] = range
            end
          end

        # If the module fails to satisfy one of its
        # dependencies, show the unsatisfiable module
        else
          dep_constraints = graph.dependencies[name].max.constraints

          if dep_constraints.key?(e.unsatisfied)
            unsatisfied_range = dep_constraints[e.unsatisfied].first[1]
            constraints[e.unsatisfied] = unsatisfied_range
          end
        end

        installed_module = @environment.module_by_forge_name(e.unsatisfied.tr('-', '/'))
        current_version = installed_module.version if installed_module

        unsatisfied = {
          :name => e.unsatisfied,
          :constraints => constraints,
          :current_version => current_version
        } if constraints.any?
      end

      raise NoVersionsSatisfyError, results.merge(
        :requested_name => name,
        :requested_version => options[:version] || graph.dependencies[name].max.version.to_s,
        :unsatisfied => unsatisfied
      )
    end

    unless forced?
      # Check for module name conflicts.
      releases.each do |rel|
        installed_module = installed_modules_source.by_name[rel.name.split('-').last]
        next unless installed_module
        next if installed_module.has_metadata? && installed_module.forge_name.tr('/', '-') == rel.name

        if rel.name != name
          dependency = {
            :name => rel.name,
            :version => rel.version
          }
        end

        raise InstallConflictError,
              :requested_module => name,
              :requested_version => options[:version] || 'latest',
              :dependency => dependency,
              :directory => installed_module.path,
              :metadata => installed_module.metadata
      end
    end

    Puppet.info _("Preparing to install ...")
    releases.each(&:prepare)

    Puppet.notice _('Installing -- do not interrupt ...')
    releases.each do |release|
      installed = installed_modules[release.name]
      if forced? || installed.nil?
        release.install(Pathname.new(results[:install_dir]))
      else
        release.install(Pathname.new(installed.mod.modulepath))
      end
    end

    results[:result] = :success
    results[:installed_modules] = releases
    results[:graph] = [build_install_graph(releases.first, releases)]
  rescue ModuleToolError, ForgeError => err
    results[:error] = {
      :oneline => err.message,
      :multiline => err.multiline,
    }
  ensure
    results[:result] ||= :failure
  end

  results
end