Class: Yast::NetworkServiceClass

Inherits:
Module
  • Object
show all
Includes:
Logger
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"
DEFAULT_BACKEND =
: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)


125
126
127
# File '../../src/modules/NetworkService.rb', line 125

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



277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
# File '../../src/modules/NetworkService.rb', line 277

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) disable

disables network service completely



181
182
183
184
185
186
187
# File '../../src/modules/NetworkService.rb', line 181

def disable
  @cached_name = nil
  stop_service(@current_name)
  disable_service(@current_name)

  Read()
end

- (Boolean) disabled? Also known as: is_disabled

Returns:

  • (Boolean)


153
154
155
# File '../../src/modules/NetworkService.rb', line 153

def disabled?
  cached_service?(nil)
end

- (Object) EnableDisableNow

Helper to apply a change of the network service



210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
# File '../../src/modules/NetworkService.rb', line 210

def EnableDisableNow
  return if !Modified()

  stop_service(@current_name)
  disable_service(@current_name)

  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

  @initialized = false
  Read()

  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



237
238
239
# File '../../src/modules/NetworkService.rb', line 237

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

- (Object) isNetworkRunning



300
301
302
# File '../../src/modules/NetworkService.rb', line 300

def isNetworkRunning
  isNetworkv4Running || isNetworkv6Running
end

- (Object) isNetworkv4Running

test for IPv4



305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
# File '../../src/modules/NetworkService.rb', line 305

def isNetworkv4Running
  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("IPv4 network is running ...")
    return true
  else
    Builtins.y2milestone("IPv4 network is not running ...")
    return false
  end
end

- (Object) isNetworkv6Running

test for IPv6



321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
# File '../../src/modules/NetworkService.rb', line 321

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("IPv6 network is running ...")
    return true
  else
    Builtins.y2milestone("IPv6 network is not running ...")
    return false
  end
end

- (Object) main



76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
# File '../../src/modules/NetworkService.rb', line 76

def main
  Yast.import "SystemdService"
  Yast.import "NetworkConfig"
  Yast.import "Popup"
  Yast.import "Mode"
  Yast.import "Stage"
  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



119
120
121
122
# File '../../src/modules/NetworkService.rb', line 119

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

- (Boolean) netconfig? Also known as: is_netconfig

Returns:

  • (Boolean)


141
142
143
# File '../../src/modules/NetworkService.rb', line 141

def netconfig?
  cached_service?(: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



135
136
137
# File '../../src/modules/NetworkService.rb', line 135

def network_manager?
  cached_service?(:network_manager)
end

- (Object) Read

Initialize module data



190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
# File '../../src/modules/NetworkService.rb', line 190

def Read
  return if @initialized

  if Stage.initial
    @current_name = DEFAULT_BACKEND
    log.info "Running in installer/AutoYaST, use default: #{@current_name}"
  else
    service = SystemdService.find("network")
    @current_name = BACKENDS.invert[service.name] if service
  end

  @cached_name = @current_name

  log.info "Current backend: #{@current_name}"
  @initialized = true

  nil
end

- (Object) ReloadOrRestart

Reload or restars the network service.



242
243
244
245
246
247
248
249
250
# File '../../src/modules/NetworkService.rb', line 242

def ReloadOrRestart
  if Stage.initial
    # 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



253
254
255
256
257
258
259
260
261
# File '../../src/modules/NetworkService.rb', line 253

def Restart
  if Stage.initial
    wicked_restart
  else
    systemctl_restart
  end

  nil
end

- (Object) run_wicked(*params)



107
108
109
110
111
112
113
114
115
# File '../../src/modules/NetworkService.rb', line 107

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 Stage and return false

Returns:

  • true if network running



340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
# File '../../src/modules/NetworkService.rb', line 340

def RunningNetworkPopup
  network_running = isNetworkRunning

  log.info "RunningNetworkPopup #{network_running}"

  if network_running
    return true
  else
    error_text = Stage.initial ?
      _(
        "No running network detected.\n" +
        "Restart installation and configure network in Linuxrc\n" +
        "or continue without network."
      )
      :
      _(
        "No running network detected.\n" +
        "Configure network with YaST or Network Manager plug-in\n" +
        "and start this module again\n" +
        "or continue without network."
      )

    ret = Popup.ContinueCancel(error_text)

    log.error "Network not runing!"
    return ret
  end
end

- (Object) RunSystemCtl(service, action)

Helper to run systemctl actions

Returns:

  • exit code



96
97
98
99
100
101
102
103
104
105
# File '../../src/modules/NetworkService.rb', line 96

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



264
265
266
267
268
# File '../../src/modules/NetworkService.rb', line 264

def StartStop
  ReloadOrRestart()

  nil
end

- (Object) use_netconfig



166
167
168
169
170
171
# File '../../src/modules/NetworkService.rb', line 166

def use_netconfig
  Read()
  @cached_name = :netconfig

  nil
end

- (Object) use_network_manager



159
160
161
162
163
164
# File '../../src/modules/NetworkService.rb', line 159

def use_network_manager
  Read()
  @cached_name = :network_manager

  nil
end

- (Object) use_wicked



173
174
175
176
177
178
# File '../../src/modules/NetworkService.rb', line 173

def use_wicked
  Read()
  @cached_name = :wicked

  nil
end

- (Boolean) wicked? Also known as: is_wicked

Returns:

  • (Boolean)


147
148
149
# File '../../src/modules/NetworkService.rb', line 147

def wicked?
  cached_service?(:wicked)
end