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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
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Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!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-or-later -->
+
+<refentry id="systemd-networkd-wait-online.service" conditional='ENABLE_NETWORKD'
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>systemd-networkd-wait-online.service</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-networkd-wait-online.service</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-networkd-wait-online.service</refname>
+ <refname>systemd-networkd-wait-online@.service</refname>
+ <refname>systemd-networkd-wait-online</refname>
+ <refpurpose>Wait for network to come online</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>systemd-networkd-wait-online.service</filename></para>
+ <para><filename>systemd-networkd-wait-online@.service</filename></para>
+ <para><filename>/usr/lib/systemd/systemd-networkd-wait-online</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><command>systemd-networkd-wait-online</command> is a
+ 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 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>
+
+ <para>The service <filename>systemd-networkd-wait-online.service</filename> invokes
+ <command>systemd-networkd-wait-online</command> without any options. Thus, it waits for all managed
+ interfaces to be configured or failed, and for at least one to be online.</para>
+
+ <para>The service <filename>systemd-networkd-wait-online@.service</filename> takes an interface
+ name, and invokes <command>systemd-networkd-wait-online</command> with <option>-i</option> and the
+ specified interface name. Thus, wait for the specified interface to be configured and online. For
+ example, <filename>systemd-networkd-wait-online@eth0.service</filename> waits for
+ <filename>eth0</filename> to be configured by <command>systemd-networkd</command> and online.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>The following options are understood:</para>
+
+ <variablelist>
+ <varlistentry>
+ <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>
+
+ <xi:include href="version-info.xml" xpointer="v213"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <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>
+
+ <xi:include href="version-info.xml" xpointer="v219"/></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>
+
+ <xi:include href="version-info.xml" xpointer="v242"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-4</option></term>
+ <term><option>--ipv4</option></term>
+
+ <listitem><para>Waiting for an IPv4 address of each network interface to be configured. If this
+ option is specified with <option>--any</option>, then
+ <command>systemd-networkd-wait-online</command> exits with success when at least one interface
+ becomes online and has an IPv4 address. If the required minimum operational state is
+ below <literal>routable</literal>, then each link (or at least one link with
+ <option>--any</option>) must have an IPv4 link-local or routable address. If the required
+ minimum operational state is <literal>routable</literal>, then each link must have an IPv4
+ routable address.</para>
+ <para>If neither <option>--ipv4</option> nor
+ <option>--ipv6</option> is specified, then the value from
+ <varname>RequiredFamilyForOnline=</varname> in the corresponding <filename>.network</filename>
+ file is used if present.</para>
+
+ <xi:include href="version-info.xml" xpointer="v249"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-6</option></term>
+ <term><option>--ipv6</option></term>
+
+ <listitem><para>Waiting for an IPv6 address of each network interface to be configured. If this
+ option is specified with <option>--any</option>, then
+ <command>systemd-networkd-wait-online</command> exits with success when at least one interface
+ becomes online and has an IPv6 address. If the required minimum operational state is
+ below <literal>routable</literal>, then each link (or at least one link with
+ <option>--any</option>) must have an IPv6 link-local or routable address. If the required
+ minimum operational state is <literal>routable</literal>, then each link must have an IPv6
+ routable address.</para>
+ <para>If neither <option>--ipv4</option> nor
+ <option>--ipv6</option> is specified, then the value from
+ <varname>RequiredFamilyForOnline=</varname> in the corresponding <filename>.network</filename>
+ file is used if present.</para>
+
+ <xi:include href="version-info.xml" xpointer="v249"/></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>
+
+ <xi:include href="version-info.xml" xpointer="v242"/></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>
+
+ <xi:include href="version-info.xml" xpointer="v219"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-q</option></term>
+ <term><option>--quiet</option></term>
+
+ <listitem><para>Suppress log messages.</para>
+
+ <xi:include href="version-info.xml" xpointer="v242"/></listitem>
+ </varlistentry>
+
+ <xi:include href="standard-options.xml" xpointer="help" />
+ <xi:include href="standard-options.xml" xpointer="version" />
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</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>
+
+</refentry>