Class: Yast::NetworkServiceClass

Inherits:
Module
  • Object
show all
Defined in:
../../src/modules/NetworkService.rb

Constant Summary

BACKENDS =

network backend identification to service name mapping

{
# <internal-id>        <service name>
  :netconfig        => "network",
  :network_manager  => "NetworkManager",
  :wicked           => "wicked"
}
BACKEND_PKG_NAMES =

network backend identification to its rpm package name mapping

{
# <internal-id>        <service name>
  :netconfig        => "sysconfig-network",
  :network_manager  => "NetworkManager",
  :wicked           => "wicked"
}
SYSTEMCTL =
"/bin/systemctl"
WICKED =
"/usr/sbin/wicked"

Instance Method Summary (collapse)

Instance Method Details

- (Boolean) backend_available?(backend) Also known as: is_backend_available

Checks if given network backend is available in the system

Returns:

  • (Boolean)


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# File '../../src/modules/NetworkService.rb', line 122

def backend_available?(backend)
  PackageSystem.Installed( BACKEND_PKG_NAMES[backend])
end

- (Boolean) ConfirmNetworkManager

Opens up a continue/cancel confirmation popup in the case when NetworkManager is enabled. User is informed that continuing the configuration may produce undefined results. If NetworkManager is not used, silently returns true.

Returns:

  • (Boolean)

    continue



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# File '../../src/modules/NetworkService.rb', line 276

def ConfirmNetworkManager
  if !@already_asked_for_NetworkManager && network_manager?
    # TRANSLATORS: pop-up question when reading the service configuration
    cont = Popup.ContinueCancel(
      _(
        "Your network interfaces are currently controlled by NetworkManager\n" +
          "but the service to configure might not work well with it.\n" +
          "\n" +
          "Really continue?"
      )
    )
    Builtins.y2milestone(
      "Network is controlled by NetworkManager, user decided %1...",
      cont ? "to continue" : "not to continue"
    )
    @already_asked_for_NetworkManager = true

    return cont
  else
    return true
  end
end

- (Object) EnableDisableNow

Helper to apply a change of the network service



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# File '../../src/modules/NetworkService.rb', line 205

def EnableDisableNow
  if Modified()
    # Stop should be called before, but when the service
    # were not correctly started until now, stop may have
    # no effect.
    # So let's kill all processes in the network service
    # cgroup to make sure e.g. dhcp clients are stopped.
    @initialized = false
    RunSystemCtl( BACKENDS[ @current_name], "kill")

    case @cached_name
      when :network_manager, :wicked
        RunSystemCtl( BACKENDS[ @cached_name], "--force enable")
      when :netconfig
        RunSystemCtl( BACKENDS[ @current_name], "disable")

        # Workaround for bug #61055:
        Builtins.y2milestone("Enabling service %1", "network")
        cmd = "cd /; /sbin/insserv -d /etc/init.d/network"
        SCR.Execute(path(".target.bash"), cmd)
    end

    Read()
  end

  nil
end

- (Object) IsActive

Reports if network service is active or not. It does not report if network is connected.

Returns:

  • true when network service is active



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# File '../../src/modules/NetworkService.rb', line 236

def IsActive
  RunSystemCtl("network", "is-active") == 0
end

- (Object) isNetworkRunning

test for IPv4



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# File '../../src/modules/NetworkService.rb', line 301

def isNetworkRunning
  net = Convert.to_integer(
    SCR.Execute(
      path(".target.bash"),
      "ip addr|grep -v '127.0.0\\|inet6'|grep -c inet"
    )
  )
  if net == 0
    Builtins.y2milestone("Network is running ...")
    return true
  else
    Builtins.y2milestone("Network is not running ...")
    return false
  end
end

- (Object) isNetworkv6Running

test for IPv6



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# File '../../src/modules/NetworkService.rb', line 317

def isNetworkv6Running
  net = Convert.to_integer(
    SCR.Execute(
      path(".target.bash"),
      "ip addr|grep -v 'inet6 ::1\\|inet6 fe80'|grep -c inet6"
    )
  )
  if net == 0
    Builtins.y2milestone("Network is running ...")
    return true
  else
    Builtins.y2milestone("Network is not running ...")
    return false
  end
end

- (Object) main



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# File '../../src/modules/NetworkService.rb', line 74

def main
  Yast.import "Service"
  Yast.import "NetworkConfig"
  Yast.import "Popup"
  Yast.import "Mode"
  Yast.import "PackageSystem"

  textdomain "base"

  # if false, read needs to do work
  @initialized = false

  # Variable remembers that the question has been asked during this run already.
  # It avoids useless questions over and over again.
  @already_asked_for_NetworkManager = false
end

- (Object) Modified

Whether a network service change were requested

Returns:

  • true when service change were requested



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# File '../../src/modules/NetworkService.rb', line 116

def Modified
  Read()
  @cached_name != @current_name
end

- (Boolean) netconfig? Also known as: is_netconfig

Returns:

  • (Boolean)


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# File '../../src/modules/NetworkService.rb', line 138

def netconfig?
  cached_name == :netconfig
end

- (Boolean) network_manager? Also known as: is_network_manager

Checks if configuration is managed by NetworkManager

Returns:

  • (Boolean)

    true when the network is managed by an external tool, like NetworkManager, false otherwise



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# File '../../src/modules/NetworkService.rb', line 132

def network_manager?
  cached_name == :network_manager
end

- (Object) Read

Initialize module data



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# File '../../src/modules/NetworkService.rb', line 172

def Read
  if !@initialized
    case Service.GetServiceId("network")
      when "network"
        @current_name = :netconfig
      when "NetworkManager"
        @current_name = :network_manager
      when "wicked"
        @current_name = :wicked
    end
  
    @cached_name = @current_name

    Builtins.y2milestone("Current backend: #{@current_name}")
  end
  @initialized = true

  nil
end

- (Object) ReloadOrRestart

Reload or restars the network service.



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# File '../../src/modules/NetworkService.rb', line 241

def ReloadOrRestart
  if Mode.installation
    # inst-sys is not running systemd nor sysV init, so systemctl call
    # is not available and service has to be restarted directly
    wicked_restart
  else
    systemctl_reload_restart
  end
end

- (Object) Restart

Restarts the network service



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# File '../../src/modules/NetworkService.rb', line 252

def Restart
  if Mode.installation
    wicked_restart
  else
    systemctl_restart
  end

  nil
end

- (Object) run_wicked(*params)



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# File '../../src/modules/NetworkService.rb', line 104

def run_wicked(*params)
  cmd = "#{WICKED} #{params.join(" ")}" 
  ret = SCR.Execute(
    path(".target.bash"),
    cmd
  )

  Builtins.y2milestone("run_wicked: #{cmd} -> #{ret}")
end

- (Object) RunningNetworkPopup

If there is network running, return true. Otherwise show error popup depending on Mode and return false

Returns:

  • true if network running



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# File '../../src/modules/NetworkService.rb', line 336

def RunningNetworkPopup
  Builtins.y2internal("RunningNetworkPopup %1", isNetworkRunning)
  if isNetworkRunning
    return true
  else
    error_text = Builtins.sformat(
      "%1\n%2 %3",
      _("No running network detected."),
      Mode.installation ?
        _("Restart installation and configure network in Linuxrc") :
        _(
          "Configure network with YaST or Network Manager plug-in\nand start this module again"
        ),
      _("or continue without network.")
    )
    Popup.ContinueCancel(error_text)
    Builtins.y2error("Network not runing!")
    return false
  end
end

- (Object) RunScript(script, action)

Run /etc/init.d script with specified action

Parameters:

  • script

    name of the init script

  • action

    the action to use

Returns:

  • true, when the script exits with 0



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# File '../../src/modules/NetworkService.rb', line 196

def RunScript(script, action)
  return true if script == ""
  Builtins.y2milestone("rc%1 %2", script, action)
  # Workaround for bug #61055:
  cmd = Builtins.sformat("cd /; /etc/init.d/%1 %2", script, action)
  SCR.Execute(path(".target.bash"), cmd) == 0
end

- (Object) RunSystemCtl(service, action)

Helper to run systemctl actions

Returns:

  • exit code



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# File '../../src/modules/NetworkService.rb', line 93

def RunSystemCtl(service, action)
  cmd = Builtins.sformat("%1 %2 %3.service", SYSTEMCTL, action, service)
  ret = Convert.convert(
    SCR.Execute(path(".target.bash_output"), cmd, { "TERM" => "raw" }),
    :from => "any",
    :to   => "map <string, any>"
  )
  Builtins.y2debug("RunSystemCtl: Command '%1' returned '%2'", cmd, ret)
  Ops.get_integer(ret, "exit", -1)
end

- (Object) StartStop

This is an old, confusing name for ReloadOrRestart() now



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# File '../../src/modules/NetworkService.rb', line 263

def StartStop
  ReloadOrRestart()

  nil
end

- (Object) use_netconfig



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# File '../../src/modules/NetworkService.rb', line 157

def use_netconfig
  Read()
  @cached_name = :netconfig

  nil
end

- (Object) use_network_manager



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# File '../../src/modules/NetworkService.rb', line 150

def use_network_manager
  Read()
  @cached_name = :network_manager

  nil
end

- (Object) use_wicked



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# File '../../src/modules/NetworkService.rb', line 164

def use_wicked
  Read()
  @cached_name = :wicked

  nil
end

- (Boolean) wicked? Also known as: is_wicked

Returns:

  • (Boolean)


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# File '../../src/modules/NetworkService.rb', line 144

def wicked?
  cached_name == :wicked
end