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diff --git a/man/systemd-networkd-wait-online.service.xml b/man/systemd-networkd-wait-online.service.xml new file mode 100644 index 0000000..a3a70db --- /dev/null +++ b/man/systemd-networkd-wait-online.service.xml @@ -0,0 +1,178 @@ +<?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></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></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>-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></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></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> + + <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> |