Class: Yast::InstDeployImageClient

Inherits:
Client
  • Object
show all
Includes:
Logger
Defined in:
src/lib/installation/clients/inst_deploy_image.rb

Instance Method Summary collapse

Instance Method Details

#mainObject


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# File 'src/lib/installation/clients/inst_deploy_image.rb', line 24

def main
  Yast.import "Pkg"
  Yast.import "Installation"
  Yast.import "ImageInstallation"
  Yast.import "Progress"
  Yast.import "Wizard"
  Yast.import "SourceManager"
  Yast.import "String"
  Yast.import "PackageCallbacks"
  Yast.import "SlideShow"
  Yast.import "Report"
  Yast.import "ProductFeatures"
  Yast.import "PackagesUI"
  Yast.import "Misc"

  textdomain "installation"

  # OEM image if target disk is defined
  oem_image = !InstData.image_target_disk.nil?

  if oem_image
    path = ProductFeatures.GetStringFeature("globals", "oem_image")
    ImageInstallation.PrepareOEMImage(path)
    Misc.boot_msg = _("The system will reboot now...")
  # There is nothing to do
  elsif !Installation.image_installation
    Builtins.y2milestone("No images have been selected")
    # bnc #395030
    # Use less memory
    ImageInstallation.FreeInternalVariables
    return :auto
  end

  Builtins.y2milestone("Deploying images")

  SlideShow.MoveToStage("images")

  @images = ImageInstallation.ImageOrder

  @last_image = nil

  @_last_download_progress = -1

  @_current_overall_progress = 0
  @_last_overall_progress = -1

  @_current_subprogress_start = 0
  @_current_subprogress_steps = 0
  @_current_subprogress_total = 0

  @_current_step_in_subprogress = 0

  @_previous_id = nil

  @_steps_for_one_image = 100
  @download_handler_hit = false
  @_last_image_downloading = nil
  @report_image_downloading = false

  @_last_progress = -1
  @_last_image_id = nil

  ImageInstallation.SetDeployTarImageProgress(
    fun_ref(method(:SetOneImageProgress), "void (integer)")
  )
  ImageInstallation.SetDownloadTarImageProgress(
    fun_ref(
      method(:MyProgressDownloadHandler),
      "boolean (integer, integer, integer)"
    )
  )
  ImageInstallation.SetStartDownloadImageProgress(
    fun_ref(method(:MyStartDownloadHandler), "void (string, string)")
  )
  ImageInstallation.SetOverallDeployingProgress(
    fun_ref(method(:OverallProgressHandler), "void (string, integer)")
  )

  ImageInstallation.AdjustProgressLayout(
    "deploying_images",
    Ops.multiply(@_steps_for_one_image, Builtins.size(@images)),
    _("Deploying Images...")
  )

  # Wizard::SetContents (
  #     _("Deploying Installation Images"),
  #     `VBox (
  #   `ProgressBar (
  #       `id ("one_image"),
  #       _("Initializing..."),
  #       100,
  #       0
  #   ),
  #   `ProgressBar (
  #       `id ("deploying_progress"),
  #       _("Deploying Images..."),
  #       100,
  #       0
  #   )
  #     ),
  #     // TRANSLATORS: help idi#1
  #     _("<p>System images are being deployed. Please wait...</p>") +
  #
  #     // TRANSLATORS: help idi#2
  #     _("<p>Installation images are part of the installation media.</p>") +
  #
  #     // TRANSLATORS: help idi#3
  #     _("<p>Installation from images is faster than installation from RPM packages
  # because it does not need to interact with a RPM database, locks etc.
  # One of the images also contains the joint RPM database and other metadata.</p>
  # ") +
  #
  #     // TRANSLATORS: help idi#4
  #     _("<p>If there is no direct access to installation images,
  # the installation program has to download them first before they are deployed.</p>
  # "),
  #     false, false
  # );

  # Stores all states of resolvables
  ImageInstallation.StoreAllChanges

  # Reset libzypp
  Pkg.TargetFinish

  # in case of OEM image deployment, there is no disk available
  if oem_image
    target = InstData.image_target_disk
  else
    # Set where the images will be downloaded
    SourceManager.InstInitSourceMoveDownloadArea
    target = Installation.destdir
  end
  @dep_ret = ImageInstallation.DeployImages(@images, target, nil)
  Builtins.y2milestone("DeployImages returned: %1", @dep_ret)

  # BNC #444209
  # false == error
  if @dep_ret == false
    Report.Error(
      _("Deploying images has failed.\nAborting the installation...\n")
    )
    Builtins.y2milestone("Aborting...")
    return :abort
    # nil   == aborted
  elsif @dep_ret.nil?
    Builtins.y2milestone("Aborting...")
    return :abort
  end

  Builtins.y2milestone("Target image for package selector prepared")

  # Load the libzypp state from the system (with images deployed)
  PackageCallbacks.RegisterEmptyProgressCallbacks
  if oem_image
    # TODO: later when adding more functionality: mount the deployed image for inst_finish
  else
    Pkg.TargetInitialize(Installation.destdir)
    Pkg.TargetLoad
    PackageCallbacks.RestorePreviousProgressCallbacks
  end

  # Restore the states stored by StoreAllChanges()
  if ImageInstallation.RestoreAllChanges != true
    Builtins.y2warning("Aborting...")
    return :abort
  end

  # BNC #436842 - debug feature in control file
  if ProductFeatures.GetBooleanFeature("globals", "debug_deploying") == true
    # TRANSLATORS: pop-up message
    Report.Message(
      _(
        "Debugging has been turned on.\n" \
        "YaST will open a software manager for you to check the current status of packages."
      )
    )
    RunPackageManager()
  end

  # bnc #395030
  # Use less memory
  ImageInstallation.FreeInternalVariables

  :next
end

#MyProgressDownloadHandler(percent, _bps_avg, bps_current) ⇒ Object


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# File 'src/lib/installation/clients/inst_deploy_image.rb', line 332

def MyProgressDownloadHandler(percent, _bps_avg, bps_current)
  # changing settings on the fly
  # ... first when download handler is hit
  #
  # if a repository is remote, there are twice more steps to do (download, deploy)
  # local (or NFS, SMB, ...) access do not use downloader
  if !@download_handler_hit
    Builtins.y2milestone("DownloadHandler - first hit")
    # twice more steps
    ImageInstallation.AdjustProgressLayout(
      "deploying_images",
      Ops.multiply(
        Ops.multiply(2, @_steps_for_one_image),
        Builtins.size(@images)
      ),
      _("Deploying Images...")
    )
    @download_handler_hit = true
  end

  # See MyStartDownloadHandler
  # BNC #449792
  return true if @report_image_downloading != true

  current_image = ImageInstallation.GetCurrentImageDetails

  if Ops.less_than(@_last_download_progress, percent)
    image_info = Ops.get_string(current_image, "name", "")

    # BNC 442286, new image
    # Sometimes it happens that the same image is logged twice
    if @_last_image_downloading != image_info
      Builtins.y2milestone("Downloading image: %1", image_info)
      @_last_image_downloading = image_info
    end

    # unknown image
    image_info = if image_info == ""
      Builtins.sformat(
        _("Downloading image at speed %1/s"),
        String.FormatSize(bps_current)
      )
    else
      Builtins.sformat(
        _("Downloading image %1 at speed %2/s"),
        image_info,
        String.FormatSize(bps_current)
      )
    end

    SlideShow.SubProgress(percent, image_info)

    current_image_nr = Ops.get_integer(current_image, "image_nr", 0)
    current_steps = if @download_handler_hit
      Ops.add(
        Ops.multiply(
          Ops.multiply(current_image_nr, 2),
          @_steps_for_one_image
        ),
        percent
      )
    else
      Ops.add(
        Ops.multiply(current_image_nr, @_steps_for_one_image),
        percent
      )
    end

    OverallProgressHandler("deploying_images", current_steps)
  end

  @_last_download_progress = percent

  true
end

#MyStartDownloadHandler(url, _localfile) ⇒ Object

Not only images but also some helper files are downloaded Image installation should report only images BNC #449792


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# File 'src/lib/installation/clients/inst_deploy_image.rb', line 301

def MyStartDownloadHandler(url, _localfile)
  current_image = ImageInstallation.GetCurrentImageDetails
  current_image_file = Ops.get_string(current_image, "file", "")

  # Fetches is (additionally) downloading some other file
  if current_image_file.nil? || current_image_file == ""
    Builtins.y2warning("Uknown image being downloaded: %1", current_image)
    @report_image_downloading = false
    return
  end

  image_filename_length = Builtins.size(current_image_file)
  # 'http://some.url/directory/image.name' vs. 'directory/image.name'
  image_url_download = Builtins.substring(
    url,
    Ops.subtract(Builtins.size(url), image_filename_length),
    image_filename_length
  )

  # downloading progress is reported only if
  @report_image_downloading = image_url_download == current_image_file

  Builtins.y2milestone(
    "Downloading started %1, showing progress %2",
    url,
    @report_image_downloading
  )

  nil
end

#OverallProgressHandler(id, current_step) ⇒ Object


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# File 'src/lib/installation/clients/inst_deploy_image.rb', line 221

def OverallProgressHandler(id, current_step)
  # new set of steps
  if @_previous_id != id
    # reset steps in subprogress
    @_current_step_in_subprogress = 0

    # new settings for new step
    @_current_subprogress_start = ImageInstallation.GetProgressLayoutDetails(
      id,
      "steps_start_at"
    )
    @_current_subprogress_steps = ImageInstallation.GetProgressLayoutDetails(
      id,
      "steps_reserved"
    )
    @_current_subprogress_total = ImageInstallation.GetProgressLayoutDetails(
      id,
      "steps_total"
    )

    # div by zero!
    if @_current_subprogress_total == 0
      Builtins.y2error("steps_total=0")
      @_current_subprogress_total = 1
    end

    Builtins.y2milestone(
      "New overall progress ID: %1 (steps_start_at: %2, steps_reserved: %3, steps_total: %4)",
      id,
      @_current_subprogress_start,
      @_current_subprogress_steps,
      @_current_subprogress_total
    )

    # when deploying images, label is handled separately
    if id != "deploying_images"
      new_label = ImageInstallation.GetProgressLayoutLabel(id)
      SlideShow.SubProgressStart(new_label)
    end

    @_previous_id = id
  end

  # incremental
  @_current_step_in_subprogress = if current_step.nil?
    Ops.add(
      @_current_step_in_subprogress,
      1
    )
    # set to exact number
  else
    current_step
  end

  SetProgress() if ["storing_user_prefs", "restoring_user_prefs"].include?(id)

  # Should be 0 - 100%
  @_current_overall_progress = Ops.add(
    @_current_subprogress_start,
    Ops.divide(
      Ops.multiply(
        @_current_subprogress_steps,
        @_current_step_in_subprogress
      ),
      @_current_subprogress_total
    )
  )

  # update UI only if nr% has changed
  if Ops.greater_than(@_current_overall_progress, @_last_overall_progress)
    @_last_overall_progress = @_current_overall_progress
    SlideShow.StageProgress(@_current_overall_progress, nil)
  end

  nil
end

#RunPackageManagerObject


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# File 'src/lib/installation/clients/inst_deploy_image.rb', line 485

def RunPackageManager
  Builtins.y2milestone("--- running the package manager ---")
  PackagesUI.RunPackageSelector("mode" => :summaryMode)
  Builtins.y2milestone("--- running the package manager ---")

  nil
end

#SetOneImageProgress(current_progress) ⇒ Object


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# File 'src/lib/installation/clients/inst_deploy_image.rb', line 408

def SetOneImageProgress(current_progress)
  current_image = ImageInstallation.GetCurrentImageDetails
  max_progress = Ops.get_integer(current_image, "max_progress", 0)

  another_image = false

  # another file than the previous one
  if Ops.get_string(current_image, "file", "") != @_last_image_id
    another_image = true
    @_last_image_id = Ops.get_string(current_image, "file", "")
    @_last_download_progress = -1
    @_last_progress = -1
  end

  if max_progress.nil? || max_progress == 0
    Builtins.y2milestone("Can't find max_progress: %1", current_image)
    return
  end

  # current progress 0 - 100
  x_progress = Ops.divide(Ops.multiply(100, current_progress), max_progress)
  x_progress = 100 if Ops.greater_than(x_progress, 100)

  # reset the label
  if x_progress == 0
    current_image_name = Ops.get_string(current_image, "name", "")

    current_image_name = if current_image_name == ""
      _("Deploying image...")
    else
      Builtins.sformat(
        _("Deploying image %1..."),
        current_image_name
      )
    end

    if another_image == true
      # one image done (another than the previous one)
      # BNC #442286
      SlideShow.SubProgressStart(current_image_name)
      SlideShow.AppendMessageToInstLog(current_image_name)
    else
      Builtins.y2warning(
        "The same image name again: %1 (100 * %2 / %3)",
        current_image_name,
        current_progress,
        max_progress
      )
    end
  end

  # set current step
  if Ops.greater_than(x_progress, @_last_progress)
    SlideShow.SubProgress(x_progress, nil)
    @_last_progress = x_progress
    current_image_nr = Ops.get_integer(current_image, "image_nr", 0)
    current_steps = if @download_handler_hit
      Ops.add(
        Ops.multiply(
          Ops.add(Ops.multiply(current_image_nr, 2), 1),
          @_steps_for_one_image
        ),
        x_progress
      )
    else
      Ops.add(
        Ops.multiply(current_image_nr, @_steps_for_one_image),
        x_progress
      )
    end

    OverallProgressHandler("deploying_images", current_steps)
  end

  nil
end

#SetProgressObject


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# File 'src/lib/installation/clients/inst_deploy_image.rb', line 211

def SetProgress
  percent = Ops.divide(
    Ops.multiply(100, @_current_step_in_subprogress),
    @_current_subprogress_total
  )
  SlideShow.SubProgress(percent, nil)

  nil
end