Class: Yast::LanClass

Inherits:
Module
  • Object
show all
Includes:
UI::TextHelpers, Wicked
Defined in:
src/modules/Lan.rb

Constant Summary collapse

NM_DHCP_TIMEOUT = 
45

Constants included from Wicked

Wicked::BASH_OUTPUT_PATH, Wicked::BASH_PATH, Wicked::IBFT_CMD

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Wicked

#ibft_interfaces, #parse_hostname, #parse_ntp_servers, #query_wicked, #reload_config

Instance Attribute Details

#autoinst ⇒ Object 


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# File 'src/modules/Lan.rb', line 535

def autoinst
  @autoinst ||= Y2Network::Autoinst::Config.new
end

#write_only ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'src/modules/Lan.rb', line 109

def write_only
  @write_only
end

Instance Method Details

#add_config(id, config) ⇒ Object

Adds the configuration

Parameters:

  • id (Symbol) —

    Configuration ID

  • config (Y2Network::Config) —

    Network configuration


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# File 'src/modules/Lan.rb', line 730

def add_config(id, config)
  Y2Network::Config.add(id, config)
end

#AutoPackages ⇒ Array

mode

Returns:

  • (Array) —

    of packages needed when writing the config in autoinst


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# File 'src/modules/Lan.rb', line 676

def AutoPackages
  { "install" => Packages(), "remove" => [] }
end

#clear_configs ⇒ Object

Clears the network configurations list


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# File 'src/modules/Lan.rb', line 735

def clear_configs
  Y2Network::Config.reset
end

#dhcp_ntp_servers ⇒ Array<String>

Note:

parsing dhcp ntp servers when NetworkManager is in use is not supported yet (bsc#798886)

Note:

called from installer

Provides a list with the NTP servers obtained via any of dhcp aware interfaces

Returns:

  • (Array<String>) —

    list of ntp servers obtained byg DHCP


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# File 'src/modules/Lan.rb', line 697

def dhcp_ntp_servers
  # Used before the config has been read
  return [] if !NetworkService.isNetworkRunning || Yast::NetworkService.is_network_manager

  ReadWithCacheNoGUI()
  ifaces_dhcp_ntp_servers.values.flatten.uniq
end

#Export ⇒ Object

Export data. They need to be converted to become what networking.rnc describes. Most prominently, instead of a flat list called "interfaces" we export a 2-level map of typed "devices"

Returns:

  • dumped settings

See Also:

  • Y2Network::Clients::Auto.adapt_for_autoyast

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# File 'src/modules/Lan.rb', line 620

def Export
  profile = Y2Network::AutoinstProfile::NetworkingSection.new_from_network(yast_config)
  ay = profile.to_hashes
  ay["ipv6"] = @ipv6
  ay["config"] = NetworkConfig.Export unless ay["managed"]

  log.info("Exported map: #{ay}")
  deep_copy(ay)
end

#find_config(id) ⇒ Y2Network::Config?

Returns the network configuration with the given ID

Parameters:

  • id (Symbol) —

    Network configuration ID

Returns:

  • (Y2Network::Config, nil) —

    Network configuration with the given ID or nil if not found


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# File 'src/modules/Lan.rb', line 722

def find_config(id)
  Y2Network::Config.find(id)
end

#find_set_hostname_ifaces ⇒ Array<String>

Finds all devices which has DHCLIENT_SET_HOSTNAME set to "yes"

Returns:

  • (Array<String>) —

    list of NIC names which has the option set to "yes"


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# File 'src/modules/Lan.rb', line 342

def find_set_hostname_ifaces
  yast_config.connections.map do |conn|
    conn.interface if conn.dhclient_set_hostname == "yes"
  end.compact
end

#FromAY(input) ⇒ Hash

Convert data from autoyast to structure used by module. FIXME: massive refactoring required

Parameters:

  • input (Hash) —

    autoyast settings

Returns:

  • (Hash) —

    native network settings


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# File 'src/modules/Lan.rb', line 552

def FromAY(input)
  input = deep_copy(input)
  Builtins.y2debug("input %1", input)

  input["interfaces"] ||= []
  # DHCP:: config: some of it is in the DNS part of the profile
  dhcp = {}
  dhcpopts = Ops.get_map(input, "dhcp_options", {})
  dns = Ops.get_map(input, "dns", {})

  if Builtins.haskey(dns, "dhcp_hostname")
    Ops.set(
      dhcp,
      "DHCLIENT_SET_HOSTNAME",
      Ops.get_boolean(dns, "dhcp_hostname", false)
    )
  end

  dhcp = UpcaseCondSet(dhcp, dhcpopts, "dhclient_client_id")
  dhcp = UpcaseCondSet(dhcp, dhcpopts, "dhclient_additional_options")
  dhcp = UpcaseCondSet(dhcp, dhcpopts, "dhclient_hostname_option")

  Ops.set(input, "config", "dhcp" => dhcp)
  if !Ops.get(input, "strict_IP_check_timeout").nil?
    input["strict_ip_check_timeout"] = input.delete("strict_IP_check_timeout")
    Ops.set(input, ["config", "config"], "CHECK_DUPLICATE_IP" => true)
  end

  Builtins.y2milestone("input=%1", input)
  input
end

#HaveXenBridge ⇒ Object

Xen bridging confuses us (#178848)

Returns:

  • whether xenbr* exists


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# File 'src/modules/Lan.rb', line 682

def HaveXenBridge
  # adapted test for xen bridged network (bnc#553794)
  have_br = FileUtils.Exists("/dev/.sysconfig/network/xenbridges")
  Builtins.y2milestone("Have Xen bridge: %1", have_br)
  have_br
end

#ifaces_dhcp_ntp_servers ⇒ Hash<String, Array<String>] key is device name, value is list of ntp servers obtained from the device

Returns hash of NTP servers

Provides map with NTP servers obtained via any of dhcp aware interfaces

Returns:

  • (Hash<String, Array<String>] key is device name, value is list of ntp servers obtained from the device) —

    Hash] key is device name, value is list of ntp servers obtained from the device


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# File 'src/modules/Lan.rb', line 711

def ifaces_dhcp_ntp_servers
  dhcp_ifaces = yast_config.connections.select(&:dhcp?).map(&:interface).compact

  result = dhcp_ifaces.map { |iface| [iface, parse_ntp_servers(iface)] }.to_h
  result.delete_if { |_, ntps| ntps.empty? }
end

#Import(settings) ⇒ Object

Import data. It expects data described networking.rnc and then passed through #FromAY. Most prominently, instead of a flat list called "interfaces" we import a 2-level map of typed "devices"

Parameters:

  • settings (Hash) —

    settings to be imported

Returns:

  • true on success


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# File 'src/modules/Lan.rb', line 591

def Import(settings)
  settings = {} if settings.nil?

  Read(:cache)
  profile = Y2Network::AutoinstProfile::NetworkingSection.new_from_hashes(settings)
  result = Y2Network::Config.from(:autoinst, profile, system_config)
  add_config(:yast, result.config)
  @autoinst = autoinst_config(profile)
  if Arch.s390
    NetworkAutoYast.instance.activate_s390_devices(settings.fetch("s390-devices", {}))
  end

  NetworkConfig.Import(settings["config"] || {})
  # Ensure that the /etc/hosts has been read to no blank out it in case of
  # not defined <host> section (bsc#1058396)
  Host.Read

  @ipv6 = settings.fetch("ipv6", true)

  true
end

#invalid_dhcp_cfgs ⇒ Array

Creates a list of config files which contain corrupted DHCLIENT_SET_HOSTNAME setup

Returns:

  • (Array) —

    list of config file names


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# File 'src/modules/Lan.rb', line 322

def invalid_dhcp_cfgs
  devs = find_set_hostname_ifaces
  dev_ifcfgs = devs.map { |d| "ifcfg-#{d}" }

  return dev_ifcfgs if devs.size > 1
  return dev_ifcfgs << "dhcp" if !devs.empty? && DNS.dhcp_hostname

  []
end

#isAnyInterfaceDown ⇒ Object

function for use from autoinstallation (Fate #301032)


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# File 'src/modules/Lan.rb', line 135

def isAnyInterfaceDown
  down = false
  link_status = devices_link_status

  log.info("link_status #{link_status}")
  configurations = (Yast::Lan.system_config&.interfaces&.map(&:name) || [])
  configurations.each do |devname|
    address_file = "/sys/class/net/#{devname}/address"
    mac = ::File.read(address_file).chomp if ::File.file?(address_file)
    log.info("confname #{mac}")
    if !link_status.keys.include?(mac)
      log.error("Mac address #{mac} not found in map #{link_status}!")
    elsif link_status[mac] == false
      log.warn("Interface with mac #{mac} is down!")
      down = true
    else
      log.debug("Interface with mac #{mac} is up")
    end
  end
  down
end

#main ⇒ Object 


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# File 'src/modules/Lan.rb', line 56

def main
  Yast.import "UI"
  textdomain "network"

  Yast.import "Arch"
  Yast.import "NetHwDetection"
  Yast.import "Host"
  Yast.import "IP"
  Yast.import "Map"
  Yast.import "Mode"
  Yast.import "NetworkConfig"
  Yast.import "NetworkService"
  Yast.import "Package"
  Yast.import "ProductFeatures"
  Yast.import "Progress"
  Yast.import "String"
  Yast.import "FileUtils"
  Yast.import "Package"
  Yast.import "ModuleLoading"
  Yast.import "Linuxrc"

  Yast.include self, "network/complex.rb"
  Yast.include self, "network/runtime.rb"

  #-------------
  # GLOBAL DATA

  # gui or cli mode
  @gui = true

  @write_only = false

  # ipv6 module
  @ipv6 = true

  # Hotplug type ("" if not hot pluggable)

  # Abort function
  # return boolean return true if abort
  @AbortFunction = nil

  # Lan::Read (`cache) will do nothing if initialized already.
  @initialized = false

  @backend = nil

  @modified = false

  # Y2Network::Config objects
  @configs = {}
end

#Modified ⇒ Object

Return a modification status

Returns:

  • true if data was modified


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# File 'src/modules/Lan.rb', line 119

def Modified
  return true if @modified
  return true unless system_config == yast_config
  return true if NetworkConfig.Modified
  return true if NetworkService.Modified
  return true if Host.GetModified

  false
end

#Packages ⇒ Array

Proposes additional packages when needed by current networking setup

Returns:

  • (Array) —

    of packages needed when writing the config


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# File 'src/modules/Lan.rb', line 653

def Packages
  pkgs = []

  if yast_config&.backend?(:network_manager)
    pkgs << "NetworkManager" if !Package.Installed("NetworkManager")
  elsif !Package.Installed("wpa_supplicant")
    # we have to add wpa_supplicant when wlan is in game, wicked relies on it
    wlan_present = yast_config.interfaces.any? do |iface|
      iface.type == Y2Network::InterfaceType::WIRELESS
    end

    pkgs << "wpa_supplicant" if wlan_present
  end

  pkgs.uniq!

  log.info("Additional packages requested by yast2-network: #{pkgs.inspect}") if !pkgs.empty?

  pkgs
end

#ProposeVirtualized ⇒ Object 


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# File 'src/modules/Lan.rb', line 645

def ProposeVirtualized
  read_config unless yast_config
  Y2Network::VirtualizationConfig.new(yast_config).create
end

#Read(cache) ⇒ Object

Read all network settings from the SCR

Parameters:

  • cache (Symbol) —

    :cache=use cached data, :nocache=reread from disk TODO: pass to submodules

Returns:

  • true on success


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# File 'src/modules/Lan.rb', line 190

def Read(cache)
  if cache == :cache && @initialized
    Builtins.y2milestone("Using cached data")
    return true
  end

  # Read dialog caption
  caption = _("Initializing Network Configuration")

  sl = 0 # 1000; /* TESTING
  Builtins.sleep(sl)

  if @gui
    Progress.New(
      caption,
      " ",
      read_step_labels.size,
      read_step_labels,
      [],
      ""
    )
  end

  return false if Abort()

  ProgressNextStage(_("Detecting ndiswrapper...")) if @gui
  # modprobe ndiswrapper before hwinfo when needed (#343893)
  if !Mode.autoinst && Package.Installed("ndiswrapper")
    Builtins.y2milestone("ndiswrapper: installed")
    if Ops.greater_than(
      Builtins.size(
        Convert.convert(
          SCR.Read(path(".target.dir"), "/etc/ndiswrapper"),
          from: "any",
          to:   "list <string>"
        )
      ),
      0
    )
      Builtins.y2milestone("ndiswrapper: configuration found")
      if Convert.to_integer(
        SCR.Execute(path(".target.bash"), "/usr/sbin/lsmod | /usr/bin/grep -q ndiswrapper")
      ) != 0 &&
          Popup.YesNo(
            _(
              "Detected a ndiswrapper configuration,\n" \
                "but the kernel module was not modprobed.\n" \
                "Do you want to modprobe ndiswrapper?\n"
            )
          )
        if ModuleLoading.Load("ndiswrapper", "", "", "", false, true) == :fail
          Popup.Error(
            _(
              "ndiswrapper kernel module has not been loaded.\nCheck configuration manually.\n"
            )
          )
        end
      end
    end
  end

  Builtins.sleep(sl)

  return false if Abort()

  ProgressNextStage(_("Detecting network devices...")) if @gui
  # Dont read hardware data in config mode
  NetHwDetection.Start if !Mode.config

  Builtins.sleep(sl)

  return false if Abort()

  begin
    ProgressNextStage(_("Detecting current status...")) if @gui
    NetworkService.Read
    Builtins.sleep(sl)

    return false if Abort()

    ProgressNextStage(_("Reading device configuration...")) if @gui
    return false unless read_config

    Builtins.sleep(sl)

    return false if Abort()

    ProgressNextStage(_("Reading network configuration...")) if @gui
    NetworkConfig.Read

    @ipv6 = readIPv6

    Builtins.sleep(sl)

    Host.Read
    Builtins.sleep(sl)

    return false if Abort()

    if firewalld.installed? && !firewalld.read?
      ProgressNextStage(_("Reading firewall configuration...")) if @gui
      firewalld.read
      Builtins.sleep(sl)
    end

    return false if Abort()
  rescue IOError, SystemCallError, RuntimeError => e
    msg = format(_("Network configuration is corrupted.\n"\
            "If you continue resulting configuration can be malformed."\
            "\n\n%s"), wrap_text(e.message))
    return false if !@gui
    return false if !Popup.ContinueCancel(msg)
  end

  # Final progress step
  ProgressNextStage(_("Finished")) if @gui
  Builtins.sleep(sl)

  return false if Abort()

  @initialized = true

  fix_dhclient_warning(invalid_dhcp_cfgs) if @gui && !valid_dhcp_cfg?

  Progress.Finish if @gui

  true
end

#read_config(report: true) ⇒ Boolean

Reads system configuration

It resets the already read configuration. If some issue is detected while reading the configuration, it is reported to the user.

Parameters:

  • report (Boolean) (defaults to: true) —

    Report any found issue if set to true

Returns:

  • (Boolean) —

    Returns whether the configuration was read.


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# File 'src/modules/Lan.rb', line 764

def read_config(report: true)
  result = Y2Network::Config.from(:wicked)
  if result.issues? && report
    return false unless Y2Issues.report(result.issues)
  end

  system_config = result.config
  system_config.backend = (NetworkService.cached_name || :none)
  Yast::Lan.add_config(:system, system_config)
  Yast::Lan.add_config(:yast, system_config.copy)
  true
end

#read_step_labels ⇒ Object 


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# File 'src/modules/Lan.rb', line 168

def read_step_labels
  steps = [
    # Progress stage 1/5
    _("Detect network devices"),
    # Progress stage 2/5
    _("Read driver information"),
    # Progress stage 3/5
    _("Detect current status"),
    # Progress stage 4/5 - multiple devices may be present, really plural
    _("Read device configuration"),
    # Progress stage 5/5
    _("Read network configuration")
  ]

  steps << _("Read firewall configuration") if firewalld.installed?
  steps
end

#readIPv6 ⇒ Object

Checks local configuration if IPv6 is allowed

return [Boolean] true when IPv6 is enabled in the system


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# File 'src/modules/Lan.rb', line 160

def readIPv6
  sysctl_config_file = CFA::SysctlConfig.new
  sysctl_config_file.load
  ipv6 = !sysctl_config_file.disable_ipv6
  log.info("readIPv6: IPv6 is #{ipv6 ? "enabled" : "disabled"}")
  ipv6
end

#ReadWithCache ⇒ Boolean

(a specialization used when a parameterless function is needed)

Returns:

  • (Boolean) —

    true on success


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# File 'src/modules/Lan.rb', line 350

def ReadWithCache
  Read(:cache)
end

#ReadWithCacheNoGUI ⇒ Object 


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# File 'src/modules/Lan.rb', line 354

def ReadWithCacheNoGUI
  @gui = false
  ReadWithCache()
end

#SetIPv6(status) ⇒ Object 


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# File 'src/modules/Lan.rb', line 359

def SetIPv6(status)
  if @ipv6 != status
    @ipv6 = status
    Popup.Warning(_("To apply this change, a reboot is needed."))
    Lan.SetModified
  end

  nil
end

#SetModified ⇒ Object 


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# File 'src/modules/Lan.rb', line 129

def SetModified
  @modified = true
  nil
end

#Summary(mode) ⇒ Object

Create a textual summary and a list of unconfigured devices

Parameters:

  • mode (String) —

    "summary": add resolver and routing summary, "proposal": for proposal also with resolver an routing summary

Returns:

  • summary of the current configuration


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# File 'src/modules/Lan.rb', line 634

def Summary(mode)
  return no_config_message if yast_config.nil?

  case mode
  when "summary", "proposal"
    Y2Network::Presenters::Summary.text_for(yast_config, "proposal")
  else
    Y2Network::Presenters::Summary.text_for(yast_config, "interfaces")
  end
end

#system_config ⇒ Y2Network::Config

Returns the system configuration

Just a convenience method.

Returns:


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# File 'src/modules/Lan.rb', line 744

def system_config
  find_config(:system)
end

#UpcaseCondSet(ret, modify, key) ⇒ Object

If there's key in modify, upcase key and assign the value to ret

Returns:

  • ret


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# File 'src/modules/Lan.rb', line 541

def UpcaseCondSet(ret, modify, key)
  ret = deep_copy(ret)
  modify = deep_copy(modify)
  Ops.set(ret, Builtins.toupper(key), Ops.get(modify, key)) if Builtins.haskey(modify, key)
  deep_copy(ret)
end

#valid_dhcp_cfg? ⇒ Boolean

Checks if system DHCLIENT_SET_HOSTNAME is valid

Returns:

  • (Boolean) 

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# File 'src/modules/Lan.rb', line 335

def valid_dhcp_cfg?
  invalid_dhcp_cfgs.empty?
end

#Write(gui: true, apply_config: !write_only)) ⇒ Object

Update the SCR according to network settings

Returns:

  • true on success


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# File 'src/modules/Lan.rb', line 392

def Write(gui: true, apply_config: !write_only)
  log.info("Writing configuration")

  # Query modified flag in all components
  if !Modified()
    log.info("No changes to network setup -> nothing to write")
    return true
  end

  # Write dialog caption
  caption = _("Saving Network Configuration")

  sl = 0 # 1000; /* TESTING
  Builtins.sleep(sl)

  step_labels = [
    # Progress stage 2
    _("Write drivers information"),
    # Progress stage 3 - multiple devices may be present,really plural
    _("Write device configuration"),
    # Progress stage 4
    _("Write network configuration"),
    # Progress stage 5
    _("Write routing configuration"),
    # Progress stage 6
    _("Write hostname and DNS configuration"),
    # Progress stage 7
    _("Set up network services")
  ]

  # Progress stage 8
  step_labels << _("Writing firewall configuration") if firewalld.installed?

  # Progress stage 9
  step_labels = Builtins.add(step_labels, _("Activate network services")) if apply_config
  # Progress stage 10
  step_labels = Builtins.add(step_labels, _("Update configuration"))

  Progress.New(
    caption,
    " ",
    Builtins.size(step_labels),
    step_labels,
    [],
    ""
  )

  return false if Abort()

  # Progress step 2
  ProgressNextStage(_("Writing /etc/modprobe.conf..."))
  Builtins.sleep(sl)

  return false if Abort()

  # Progress step 3 - multiple devices may be present, really plural
  ProgressNextStage(_("Writing device configuration..."))
  Builtins.sleep(sl)

  return false if Abort()

  # Progress step 4
  ProgressNextStage(_("Writing network configuration..."))
  NetworkConfig.Write
  Builtins.sleep(sl)

  return false if Abort()

  # Progress step 5
  ProgressNextStage(_("Writing routing configuration..."))
  orig = Progress.set(false)

  write_config

  Progress.set(orig)
  Builtins.sleep(sl)

  return false if Abort()

  # Progress step 6
  ProgressNextStage(_("Writing hostname and DNS configuration..."))
  # write resolv.conf after change from dhcp to static (#327074)
  # reload/restart network before this to put correct resolv.conf from dhcp-backup
  orig = Progress.set(false)
  Host.Write(gui: gui)
  Progress.set(orig)

  Builtins.sleep(sl)

  return false if Abort()

  # Progress step 7
  ProgressNextStage(_("Setting up network services..."))
  writeIPv6
  Builtins.sleep(sl)

  if firewalld.installed?
    return false if Abort()

    # Progress step 7
    ProgressNextStage(_("Writing firewall configuration..."))
    firewalld.write
    Builtins.sleep(sl)
  end

  if apply_config
    return false if Abort()

    # Progress step 9
    ProgressNextStage(_("Activating network services..."))

    select_network_service ? activate_network_service : NetworkService.disable

    Builtins.sleep(sl)
  end

  return false if Abort()

  # Progress step 10
  ProgressNextStage(_("Updating configuration..."))
  update_mta_config if !apply_config
  Builtins.sleep(sl)

  ensure_network_running if yast_config.backend?(:network_manager)

  # Final progress step
  ProgressNextStage(_("Finished"))
  Builtins.sleep(sl)

  Progress.Finish

  return false if Abort()

  true
end

#write_config(only: nil, report: true) ⇒ Object

Writes current yast config and replaces the system config with it

Parameters:

  • only (Array<Symbol>, nil) (defaults to: nil) —

    explicit sections to be written, by default if no parameter is given then all changes will be written

See Also:


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# File 'src/modules/Lan.rb', line 783

def write_config(only: nil, report: true)
  result = yast_config.write(original: system_config, only: only)
  if result&.issues? && report
    return false unless Y2Issues.report(result.issues)
  end

  # Force a refresh of the system_config bsc#1162987
  add_config(:system, yast_config.copy)
end

#writeIPv6 ⇒ Object 


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# File 'src/modules/Lan.rb', line 369

def writeIPv6
  log.info("writeIPv6: IPv6 is #{@ipv6 ? "enabled" : "disabled"}")
  sysctl_config_file = CFA::SysctlConfig.new
  sysctl_config_file.load
  sysctl_config_file.disable_ipv6 = !@ipv6
  sysctl_config_file.save unless sysctl_config_file.conflict?
  SCR.Execute(
    path(".target.bash"),
    Builtins.sformat(
      "/usr/sbin/sysctl -w net.ipv6.conf.all.disable_ipv6=%1",
      @ipv6 ? "0" : "1"
    )
  )
  SCR.Write(
    path(".sysconfig.windowmanager.KDE_USE_IPV6"),
    @ipv6 ? "yes" : "no"
  )

  nil
end

#WriteOnly ⇒ Object

Only write configuration without starting any init scripts and SuSEconfig

Returns:

  • true on success


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# File 'src/modules/Lan.rb', line 530

def WriteOnly
  @write_only = !autoinst.start_immediately
  Write()
end

#yast_config ⇒ Y2Network::Config

Returns YaST configuration

Just a convenience method.

Returns:


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# File 'src/modules/Lan.rb', line 753

def yast_config
  find_config(:yast)
end