Class: Dr::Repo

Inherits:
Object
  • Object
show all
Includes:
Logger
Defined in:
lib/dr/repo.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logger

#log, log, set_logfile, set_verbosity, #tag

Constructor Details

#initialize(loc) ⇒ Repo

Returns a new instance of Repo.



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# File 'lib/dr/repo.rb', line 29

def initialize(loc)
  @location = File.expand_path loc

  @packages_dir = "#{@location}/packages"
end

Instance Attribute Details

#location ⇒ Object (readonly)

Returns the value of attribute location.



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# File 'lib/dr/repo.rb', line 23

def location
  @location
end

Instance Method Details

#buildroot(arch, build_env = :default) ⇒ Object 



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# File 'lib/dr/repo.rb', line 125

def buildroot(arch, build_env=:default)
  if build_env == :default
    build_env = get_configuration[:default_build_environment].to_sym
  end

  cache_dir = "#{@location}/buildroots/"
  BuildRoot.new build_env, arch, cache_dir
end

#codename_to_suite(codename_or_suite) ⇒ Object 



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# File 'lib/dr/repo.rb', line 384

def codename_to_suite(codename_or_suite)
  get_suites.each do |suite, codename|
    return suite if codename_or_suite == suite || codename_or_suite == codename
  end

  nil
end

#get_architectures ⇒ Object 



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# File 'lib/dr/repo.rb', line 166

def get_architectures
  arches = []
  File.open "#{@location}/archive/conf/distributions", "r" do |f|
    f.each_line do |l|
      m = l.match /^Architectures: (.+)/
      arches += m.captures[0].chomp.split(" ") if m
    end
  end

  arches.uniq
end

#get_archive_path ⇒ Object 



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# File 'lib/dr/repo.rb', line 25

def get_archive_path
  "#{@location}/archive"
end

#get_build(pkg_name, version = nil) ⇒ Object 



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# File 'lib/dr/repo.rb', line 349

def get_build(pkg_name, version=nil)
  pkg = get_package pkg_name

  hist = pkg.history
  raise "The package hasn't been built yet." unless hist.length > 0
  version = hist[0] unless version

  unless pkg.build_exists? version
    raise "Build #{version.style "version"} doesn't exist"
  end

  Dir["#{@location}/packages/#{pkg.name}/builds/#{version}/*"]
end

#get_build_metadata(pkg_name, version) ⇒ Object 



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# File 'lib/dr/repo.rb', line 363

def get_build_metadata(pkg_name, version)
  pkg = get_package pkg_name
  raise "Build #{version} doesn't exist" unless pkg.build_exists? version

  md_file = "#{@location}/packages/#{pkg.name}/builds/#{version}/.metadata"
  if File.exists? md_file
    YAML.load_file md_file
  else
    {}
  end
end

#get_configuration ⇒ Object 



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# File 'lib/dr/repo.rb', line 88

def get_configuration
    meta_file = "#{@location}/metadata"
    if File.exists? meta_file
      Utils::symbolise_keys YAML.load_file(meta_file)
    else
      {}
    end
end

#get_package(name) ⇒ Object 



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# File 'lib/dr/repo.rb', line 134

def get_package(name)
  unless File.exists? "#{@packages_dir}/#{name}"
    raise "Package #{name.style "pkg-name"} doesn't exist in the repo"
  end

  if File.exists? "#{@packages_dir}/#{name}/source"
    GitPackage.new name, self
  else
    DebPackage.new name, self
  end
end

#get_subpackage_versions(pkg_name) ⇒ Object 



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# File 'lib/dr/repo.rb', line 206

def get_subpackage_versions(pkg_name)
  pkg = get_package pkg_name
  suites = get_suites

  versions = {}
  suites.each do |suite, codename|
    versions[suite] = {}
    reprepro_cmd = "reprepro --basedir #{location}/archive " +
                 "--list-format '${package} ${version}\n' " +
                 "listfilter #{suite} 'Source (== #{pkg_name}) | " +
                 "Package (== #{pkg_name})' " +
                 "2>/dev/null"
    reprepro = ShellCmd.new reprepro_cmd, :tag => "reprepro"
    reprepro.out.chomp.each_line do |line|
      subpkg, version = line.split(" ").map(&:chomp)
      versions[suite][subpkg] = version
    end
  end
  versions
end

#get_suites ⇒ Object 



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# File 'lib/dr/repo.rb', line 146

def get_suites
  suites = nil
  File.open "#{@location}/archive/conf/distributions", "r" do |f|
    suites = f.read.split "\n\n"
  end

  suites.map do |s|
    suite = nil
    codename = nil
    s.each_line do |l|
      m = l.match /^Suite: (.+)/
      suite = m.captures[0].chomp if m

      m = l.match /^Codename: (.+)/
      codename = m.captures[0].chomp if m
    end
    [suite, codename]
  end
end

#is_used?(pkg_name, version = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dr/repo.rb', line 392

def is_used?(pkg_name, version=nil)
  versions_by_suite = get_subpackage_versions pkg_name
  versions_by_suite.inject(false) do |rslt, hash_pair|
    suite, versions = hash_pair
    if version == nil
      rslt || !versions.empty?
    else
      rslt || versions.has_value?(version)
    end
  end
end

#list_packages(suite = nil) ⇒ Object 



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# File 'lib/dr/repo.rb', line 104

def list_packages(suite=nil)
  pkgs = []

  if suite
    Dir.foreach @packages_dir do |pkg_name|
      unless pkg_name =~ /^\./
        versions = get_subpackage_versions pkg_name
        unless versions[codename_to_suite suite].empty?
          pkgs.push get_package pkg_name
        end
      end
    end
  else
    Dir.foreach @packages_dir do |pkg_name|
      pkgs.push get_package pkg_name unless pkg_name =~ /^\./
    end
  end

  pkgs.sort
end

#push(pkg_name, version, suite, force = false) ⇒ Object 



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# File 'lib/dr/repo.rb', line 227

def push(pkg_name, version, suite, force=false)
  pkg = get_package pkg_name

  if version
    unless pkg.build_exists? version
      raise "Build version '#{version}' not found"
    end
  else
    if pkg.history.length == 0
      log :err, "No built packages available for #{pkg_name}"
      log :err, "Please, run a build first and the push."
      raise "Push failed"
    end
    version = pkg.history[0]
  end

  if suite
    cmp = get_suites.map { |n, cn| suite == n || suite == cn }
    suite_exists = cmp.inject(false) { |r, o| r || o }
    raise "Suite '#{suite}' doesn't exist." unless suite_exists
  else
    # FIXME: This should be configurable
    suite = "testing"
  end

  debs = Dir["#{@location}/packages/#{pkg.name}/builds/#{version}/*"]
  names = debs.map { |deb| File.basename(deb).split("_")[0] }

  used_versions = get_subpackage_versions(pkg.name)[codename_to_suite(suite)]

  is_of_higher_version = true
  names.each do |name|
    if used_versions.has_key?(name) && 
       PkgVersion.new(version) <= PkgVersion.new(used_versions[name])
      is_of_higher_version = false
    end
  end

  unless is_of_higher_version
    log :warn, "The #{suite} suite already contains " +
               "#{pkg.name.style "pkg-name"} version " +
               "#{version.to_s.style "version"}"
    if force
      reprepro = "reprepro -b #{@location}/archive " +
                 "--gnupghome #{location}/gnupg-keyring/ removesrc " +
                 "#{suite} #{pkg.name}"
      ShellCmd.new reprepro, :tag => "reprepro", :show_out => false
    else
      log :warn, "The same package of a higher version is already in the " +
                 "#{suite} suite."

      raise AlreadyExists.new "Push failed"
    end
  end

  log :info, "Pushing #{pkg_name.style "pkg-name"} version " +
             "#{version.to_s.style "version"} to #{suite}"
  reprepro = "reprepro -b #{@location}/archive " +
             "--gnupghome #{location}/gnupg-keyring/ includedeb " +
             "#{suite} #{debs.join " "}"
  ShellCmd.new reprepro, :tag => "reprepro", :show_out => true
end

#query_for_deb_version(suite, pkg_name) ⇒ Object 



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# File 'lib/dr/repo.rb', line 178

def query_for_deb_version(suite, pkg_name)
  reprepro_cmd = "reprepro --basedir #{location}/archive " +
                 "--list-format '${version}' list #{suite} " +
                 "#{pkg_name} 2>/dev/null"
  reprepro = ShellCmd.new reprepro_cmd, :tag => "reprepro"
  v = reprepro.out.chomp
  v = nil unless v.length > 0
  v
end

#remove(pkg_name, force = false) ⇒ Object 



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# File 'lib/dr/repo.rb', line 307

def remove(pkg_name, force=false)
  pkg = get_package pkg_name

  if is_used? pkg_name
    log :warn, "The #{pkg_name.style "pkg-name"} package is still used"
    raise "Operation canceled, add -f to remove anyway" unless force

    log :info, "Will be force-removed anyway"
    versions = get_subpackage_versions(pkg_name)
    get_suites.each do |suite, codename|
      unpush pkg_name, suite unless versions[suite].empty?
    end
  end

  log :info, "Removing #{pkg_name.style "pkg-name"} from the repository"
  FileUtils.rm_rf "#{location}/packages/#{pkg_name}"
end

#remove_build(pkg_name, version, force = false) ⇒ Object 



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# File 'lib/dr/repo.rb', line 325

def remove_build(pkg_name, version, force=false)
  pkg = get_package pkg_name

  if is_used?(pkg_name, version)
    if force
      log :info, "Force-removing #{version.style "version"} version of " +
                 "#{pkg_name.style "pkg-name"}"
      versions_by_suite = get_subpackage_versions pkg_name
      versions_by_suite.each do |suite, versions|
        unpush pkg_name, suite if versions.has_value? version
      end
    else
      log :warn, "This build of #{pkg_name.style "pkg-name"} is " +
                 "still being used, add -f to force-remove"
      return
    end
  else
    log :info, "Removing the #{version.style "version"} version of " +
               "#{pkg_name.style "pkg-name"}"
  end

  pkg.remove_build version
end

#set_configuration(new_metadata) ⇒ Object 



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# File 'lib/dr/repo.rb', line 97

def set_configuration(new_metadata)
  # TODO: Some validation needed
  File.open("#{@location}/metadata", "w" ) do |out|
    out.write Utils::stringify_symbols(new_metadata).to_yaml
  end
end

#setup(conf) ⇒ Object 



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# File 'lib/dr/repo.rb', line 35

def setup(conf)
  log :info, "Creating the archive directory"
  begin
    FileUtils.mkdir_p location
  rescue Exception => e
    log :err, "Unable to create a directory at '#{@location.fg("blue")}'"
    raise e
  end

  FileUtils.mkdir_p "#{@location}/archive"

  gpg = GnuPG.new "#{@location}/gnupg-keyring"
  key = gpg.generate_key conf[:gpg_name], conf[:gpg_mail], conf[:gpg_pass]
  gpg.export_pub key, "#{@location}/archive/repo.gpg.key"

  log :info, "Writing the configuration file"
  FileUtils.mkdir_p "#{@location}/archive/conf"
  File.open "#{@location}/archive/conf/distributions", "w" do |f|
    conf[:suites].each_with_index do |s, i|
      f.puts "Suite: #{s}"

      if conf[:codenames][i].length > 0
        f.puts "Codename: #{conf[:codenames][i]}"
      end

      if conf[:name].length > 0
        f.puts "Origin: #{conf[:name]} - #{s}"
        f.puts "Label: #{conf[:name]} - #{s}"
      end

      if conf[:desc].length > 0
        f.puts "Description: #{conf[:desc]}"
      end

      f.puts "Architectures: #{conf[:arches].join " "}"
      f.puts "Components: #{conf[:components].join " "}"

      f.puts "SignWith: #{key}"
      f.puts ""
    end
  end

  FileUtils.mkdir_p @packages_dir
  FileUtils.mkdir_p "#{@location}/buildroots"

  metadata = {
    "default_build_environment" => conf[:build_environment].to_s
  }
  File.open("#{@location}/metadata", "w" ) do |out|
    out.write metadata.to_yaml
  end
end

#sign_deb(deb) ⇒ Object 



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# File 'lib/dr/repo.rb', line 375

def sign_deb(deb)
  keyring = "#{@location}/gnupg-keyring"
  gpg = GnuPG.new keyring
  key_id = gpg.get_key_id get_key

  cmd = "dpkg-sig -k '#{key_id}' -s builder -g '--homedir #{keyring}' #{deb}"
  ShellCmd.new cmd, :tag => "dpkg-sig", :show_out => true
end

#suite_has_higher_pkg_version?(suite, pkg, version) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dr/repo.rb', line 194

def suite_has_higher_pkg_version?(suite, pkg, version)
  used_versions = get_subpackage_versions(pkg.name)[codename_to_suite(suite)]

  has_higher_version = false
  used_versions.each do |subpkg_name, subpkg_version|
    if subpkg_version.to_s >= version.to_s
      has_higher_version = true
    end
  end
  has_higher_version
end

#suite_has_package?(suite, pkg_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dr/repo.rb', line 188

def suite_has_package?(suite, pkg_name)
  pkg_versions = get_subpackage_versions(pkg_name)[codename_to_suite(suite)]

  pkg_versions.length > 0
end

#unpush(pkg_name, suite) ⇒ Object 



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# File 'lib/dr/repo.rb', line 290

def unpush(pkg_name, suite)
  pkg = get_package pkg_name

  cmp = get_suites.map { |n, cn| suite == n || suite == cn }
  suite_exists = cmp.inject(false) { |r, o| r || o }
  unless suite_exists
    log :err, "Suite '#{suite}' doesn't exist."
    raise "Unpush failed"
  end

  log :info, "Removing #{pkg_name.style "pkg-name"} from #{suite}"
  reprepro = "reprepro -b #{@location}/archive " +
             "--gnupghome #{location}/gnupg-keyring/ removesrc " +
             "#{suite} #{pkg.name}"
  ShellCmd.new reprepro, :tag => "reprepro", :show_out => true
end