<?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+ -->
-<!--
- 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>MIN_OPERSTATE</replaceable><optional>:<replaceable>MAX_OPERSTATE</replaceable></optional></optional></term>
+ <term><option>--interface=</option><replaceable>INTERFACE</replaceable><optional>:<replaceable>MIN_OPERSTATE</replaceable><optional>:<replaceable>MAX_OPERSTATE</replaceable></optional></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 and maximum operational
+ states 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
+ 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>-o</option> <replaceable>MIN_OPERSTATE</replaceable><optional>:<replaceable>MAX_OPERSTATE</replaceable></optional></term>
+ <term><option>--operational-state=</option><replaceable>MIN_OPERSTATE</replaceable><optional>:<replaceable>MAX_OPERSTATE</replaceable></optional></term>
+
+ <listitem><para>Takes a minimum operational state and an optional maximum 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></term>
+ <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