<?xml version='1.0'?> <!--*-nxml-*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
-<!--
- SPDX-License-Identifier: LGPL-2.1+
-
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
-
-<refentry id="systemd-networkd-wait-online.service" conditional='ENABLE_NETWORKD'>
+<refentry id="systemd-networkd-wait-online.service" conditional='ENABLE_NETWORKD'
+ xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
- <title>systemd-networkd.service</title>
+ <title>systemd-networkd-wait-online.service</title>
<productname>systemd</productname>
-
- <authorgroup>
- <author>
- <contrib>Developer</contrib>
- <firstname>Tom</firstname>
- <surname>Gundersen</surname>
- <email>teg@jklm.no</email>
- </author>
- </authorgroup>
</refentryinfo>
<refmeta>
<title>Description</title>
<para><command>systemd-networkd-wait-online</command> is a
- one-shot system service that waits for the network to be
+ oneshot system service (see <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>), that waits for the network to be
configured. By default, it will wait for all links it is aware of
and which are managed by
<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- to be fully configured or failed, and for at least one link to
- gain a carrier.</para>
+ to be fully configured or failed, and for at least one link to be online. Here, online means that
+ the link's operational state is equal or higher than <literal>degraded</literal>. The threshold
+ can be configured by <option>--operational-state=</option> option.</para>
</refsect1>
<refsect1>
<variablelist>
<varlistentry>
- <term><option>-i</option></term>
- <term><option>--interface=</option></term>
-
- <listitem><para>Network interface to wait for before deciding
- if the system is online. This is useful when a system has
- several interfaces which will be configured, but a particular
- one is necessary to access some network resources. This option
- may be used more than once to wait for multiple network
- interfaces. When used, all other interfaces are ignored.
+ <term><option>-i</option> <replaceable>INTERFACE</replaceable><optional>:<replaceable>OPERSTATE</replaceable></optional></term>
+ <term><option>--interface=</option><replaceable>INTERFACE</replaceable><optional>:<replaceable>OPERSTATE</replaceable></optional></term>
+
+ <listitem><para>Network interface to wait for before deciding if the system is online. This
+ is useful when a system has several interfaces which will be configured, but a particular
+ one is necessary to access some network resources. When used, all other interfaces are ignored.
+ This option may be used more than once to wait for multiple network interfaces. When this
+ option is specified multiple times, then <command>systemd-networkd-wait-online</command> waits
+ for all specified interfaces to be online. Optionally, required minimum operational state can be
+ specified after a colon <literal>:</literal>. Please see
+ <citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ for possible operational states. If the operational state is not specified here, then
+ the value from <varname>RequiredForOnline=</varname> in the corresponding
+ <filename>.network</filename> file is used if present, and <literal>degraded</literal> otherwise.
</para></listitem>
</varlistentry>
+
<varlistentry>
- <term><option>--ignore=</option></term>
+ <term><option>--ignore=</option><replaceable>INTERFACE</replaceable></term>
+
<listitem><para>Network interfaces to be ignored when deciding
if the system is online. By default, only the loopback
interface is ignored. This option may be used more than once
to ignore multiple network interfaces. </para></listitem>
</varlistentry>
+
<varlistentry>
- <term><option>--timeout=</option></term>
+ <term><option>-o</option> <replaceable>OPERSTATE</replaceable></term>
+ <term><option>--operational-state=</option><replaceable>OPERSTATE</replaceable></term>
+
+ <listitem><para>Takes an operational state. Please see
+ <citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ for possible operational states. If set, the specified value overrides
+ <varname>RequiredForOnline=</varname> settings in <filename>.network</filename> files.
+ But this does not override operational states specified in <option>--interface=</option> option.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--any</option></term>
+
+ <listitem><para>Even if several interfaces are in configuring state,
+ <command>systemd-networkd-wait-online</command> exits with success when at least one interface
+ becomes online. When this option is specified with <option>--interface=</option>, then
+ <command>systemd-networkd-wait-online</command> waits for one of the specified interfaces to be
+ online. This option is useful when some interfaces may not have carrier on boot.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--timeout=</option> <replaceable>SECS</replaceable></term>
+
<listitem><para>Fail the service if the network is not online
by the time the timeout elapses. A timeout of 0 disables the
timeout. Defaults to 120 seconds. </para></listitem>
</varlistentry>
+
+ <varlistentry>
+ <term><option>-q</option></term>
+ <term><option>--quiet</option></term>
+
+ <listitem><para>Suppress log messages.</para></listitem>
+ </varlistentry>
+
+ <xi:include href="standard-options.xml" xpointer="help" />
+ <xi:include href="standard-options.xml" xpointer="version" />
</variablelist>
</refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
projects / thirdparty / systemd.git / blobdiff