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inst_deploy_image.rb
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inst_deploy_image.rb
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# ------------------------------------------------------------------------------
# Copyright (c) 2006-2012 Novell, Inc. All Rights Reserved.
#
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of version 2 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 Novell, Inc.
#
# To contact Novell about this file by physical or electronic mail, you may find
# current contact information at www.novell.com.
# ------------------------------------------------------------------------------
module Yast
class InstDeployImageClient < Client
include Yast::Logger
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
def SetProgress
percent = Ops.divide(
Ops.multiply(100, @_current_step_in_subprogress),
@_current_subprogress_total
)
SlideShow.SubProgress(percent, nil)
nil
end
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
# Not only images but also some helper files are downloaded
# Image installation should report only images
# BNC #449792
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
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
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
def RunPackageManager
Builtins.y2milestone("--- running the package manager ---")
PackagesUI.RunPackageSelector("mode" => :summaryMode)
Builtins.y2milestone("--- running the package manager ---")
nil
end
end
end