managers/rcm_file_manager.rb (87fa753)

rcm_file_manager.rb

require_relative '../objects/rcm_file'
require_relative '../rcm_utils'
require 'fileutils'

module RCM
  class FileManager
    def get_id_to_name_mapping(file)
      id_to_name = {}
      ::File.open(file, 'r').each do |l|
        matches = /(?<name>\w+):.+:(?<id>\d+):.*\s/.match(l)
        id_to_name[matches[:id]] = matches[:name]
      end
      id_to_name
    end

def apply_attributes(file)
      raise 'apply_attributes only works with ::RCM::File' unless file.is_a?(::RCM::File)

@logger.debug("Setting owner as #{file.owner}:#{file.group} and mode as #{file.mode} on #{file.path}")
      # Will throw exception if something poopy happens
      ::FileUtils.chown(file.owner, file.group, file.path)
      ::FileUtils.chmod(file.mode.to_i(8), file.path)

file.changed = true
      0
    end

def copy(file)
      dir = ::File.dirname(file.path)
      @logger.debug("Ensuring #{dir} exsits.")
      ::FileUtils.mkdir_p(dir)
      @logger.debug("Copying #{file.src_path} to #{file.path}.")

begin
        ::FileUtils.copy_entry(file.src_path, file.path, remove_destination:  true)
      rescue
        error_msg = "Could not copy #{file.src_path} to #{file.path}."
        @logger.fatal(error_msg)
        return 1
      end

file.state = ::RCM::File::PRESENT
      file.changed = true
      0
    end

def remove(file)
      return unless ::File.file?(file.path)

@logger.debug("Removing #{file.path}.")
      ::FileUtils.rm(file.path)
      file.state = ::RCM::File::ABSENT
      file.changed = true
      0
    end

def initialize(logger)
      @logger = logger
    end

def get_current_state(wanted_files)
      got = {}
      uids = get_id_to_name_mapping('/etc/passwd')
      gids = get_id_to_name_mapping('/etc/group')
      wanted_files.each do |path, p|
        f = ::RCM::File.new(path, '', '', '', '', ::RCM::File::ABSENT)
        # Put in an empty object if file does not exist
        unless ::File.exist?(path)
          got[path] = f
          next
        end

f_stat = ::File.stat(path)
        f.path = path
        f.owner = uids[f_stat.uid.to_s]
        f.group = gids[f_stat.gid.to_s]
        f.mode = f_stat.mode.to_s(8)[-4, 4]
        f.state = ::RCM::File::PRESENT
        got[path] = f
        @logger.debug(f)
      end

got
    end
  end
end

rcm

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