Class: Machinery::DpkgDatabase

Inherits:
ManagedFilesDatabase show all
Defined in:
lib/dpkg_database.rb

Overview

Copyright © 2013-2016 SUSE LLC

This program is free software; you can redistribute it and/or modify it under the terms of version 3 of the GNU General Public License as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, contact SUSE LLC.

To contact SUSE about this file by physical or electronic mail, you may find current contact information at www.suse.com

Instance Method Summary collapse

Methods inherited from ManagedFilesDatabase

#changed_files, #expected_tag?, #get_file_properties, #get_link_target, #get_path_data, #initialize, #parse_stat_line

Constructor Details

This class inherits a constructor from Machinery::ManagedFilesDatabase

Instance Method Details

#check_requirements ⇒ Object 



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# File 'lib/dpkg_database.rb', line 72

def check_requirements
  @system.check_requirement("dpkg", "--version")
  @system.check_requirement("stat", "--version")
  @system.check_requirement("find", "--version")
end

#handle_verify_fail(_path) ⇒ Object 



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# File 'lib/dpkg_database.rb', line 47

def handle_verify_fail(_path)
  # dpkg can only check for md5sum. Thus, dpkg will report for every file
  # that not all tests (e.g. owner, mode) could be performed.
  #
  # We won't show a warning for each and every file but one warning
  # per inspection.
  #
  # This method is a no-op for DpkgDatabase.
end

#managed_files_list(&block) ⇒ Object 



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# File 'lib/dpkg_database.rb', line 19

def managed_files_list(&block)
  message = "The list of changed config and managed files is not complete on dpkg systems."\
   " The reason for this is missing verification data:" \
   " https://github.com/SUSE/machinery/wiki/Ubuntu-Inspection"

  Machinery.logger.warn(message)
  Machinery::Ui.warn("Warning: #{message}")

  @system.run_command_with_progress("dpkg", "--verify", privileged: true, &block)
end

#package_for_file_path(file) ⇒ Object 



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# File 'lib/dpkg_database.rb', line 30

def package_for_file_path(file)
  output = @system.run_command(
    "dpkg", "-S", file, stdout: :capture
  )

  package_name = if output.lines == 1
    output.split(":").first
  else
    extract_package_name_from_file_diversions(output)
  end

  package_details = @system.run_command("dpkg", "-s", package_name, stdout: :capture)
  package_version = package_details.match(/^Version: (.*)$/)[1]

  [package_name, package_version]
end

#parse_changes_line(line) ⇒ Object 



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# File 'lib/dpkg_database.rb', line 57

def parse_changes_line(line)
  file, changes, type = super(line)

  # dpkg doesn't report deleted files as deleted but reports md5sum changes instead
  if changes.include?("md5")
    begin
      @system.run_command("ls", file)
    rescue Cheetah::ExecutionFailed
      changes = ["deleted"]
    end
  end

  [file, changes, type]
end