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authorDavid Strauss <david@davidstrauss.net>2013-11-25 10:44:48 +1000
committerDavid Strauss <david@davidstrauss.net>2013-11-25 10:46:48 +1000
commitadcf4c81c58511b67644e17fa743d1729d3c9ccf (patch)
tree573e97f2f2cce161a0e8b3e8c67a2f1e37c931a0 /man/systemd-socket-proxyd.xml
parent828db5d84afbf4e6e7060b5da170114a5886b339 (diff)
socket-proxyd: Add --listener option for listener/destination pairs.
Diffstat (limited to 'man/systemd-socket-proxyd.xml')
-rw-r--r--man/systemd-socket-proxyd.xml80
1 files changed, 79 insertions, 1 deletions
diff --git a/man/systemd-socket-proxyd.xml b/man/systemd-socket-proxyd.xml
index 4eb13e4d25..d57a59cf79 100644
--- a/man/systemd-socket-proxyd.xml
+++ b/man/systemd-socket-proxyd.xml
@@ -31,6 +31,12 @@
<surname>Strauss</surname>
<email>david@davidstrauss.net</email>
</author>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Lennart</firstname>
+ <surname>Poettering</surname>
+ <email>lennart@poettering.net</email>
+ </author>
</authorgroup>
</refentryinfo>
<refmeta>
@@ -84,6 +90,17 @@
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
+ <term><option>-l</option></term>
+ <term><option>--listener</option></term>
+ <listitem>
+ <para>Restricts listening to a
+ single inherited socket, specified
+ as a file descriptor. By default,
+ the proxy listens on all inherited
+ sockets.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
<term><option>-h</option></term>
<term><option>--help</option></term>
<listitem>
@@ -196,8 +213,12 @@ while [ ! -f /tmp/nginx.pid ]
do
/usr/bin/inotifywait /tmp/nginx.pid
done
-exec /usr/bin/systemd-socket-proxyd localhost 8080]]>
+exec /usr/bin/systemd-socket-proxyd localhost:8080]]>
</programlisting>
+ <para>Make it executable:</para>
+ <programlisting>
+<![CDATA[chmod 755 /usr/bin/socket-proxyd-nginx.sh]]>
+ </programlisting>
</example>
<example label="nginx configuration">
<title>
@@ -218,6 +239,63 @@ $ curl http://localhost:80/]]>
</programlisting>
</example>
</refsect2>
+
+ <refsect2>
+ <title>Multiple Listeners with Multiple Destinations</title>
+ <para>When using namespaces, it may be useful to
+ have multiple listeners with each going to a unique
+ destination. systemd always passes sockets into
+ services in the order specified in the socket
+ unit, beginning with file descriptor 3.</para>
+ <para>In this example, port <literal>80</literal>
+ will proxy to <literal>localhost:8080</literal>,
+ and port <literal>443</literal> will proxy to
+ <literal>localhost:8443</literal>.</para>
+ <example label="proxy socket unit">
+ <title>/etc/systemd/system/multi-destination.socket</title>
+ <programlisting>
+<![CDATA[[Socket]
+ListenStream=80
+ListenStream=443
+
+[Install]
+WantedBy=sockets.target]]>
+</programlisting>
+ </example>
+ <example label="proxy service unit">
+ <title>/etc/systemd/system/multi-destination.service</title>
+ <programlisting>
+<![CDATA[[Service]
+ExecStart=/usr/bin/socket-proxyd-multi-destination.sh
+PrivateTmp=true
+PrivateNetwork=true]]>
+</programlisting>
+ </example>
+
+ <example label="shell script">
+ <title>
+ /usr/bin/socket-proxyd-multi-destination.sh</title>
+ <programlisting>
+<![CDATA[#!/bin/sh
+/usr/bin/systemd-socket-proxyd --listener=3 localhost:8080 &
+/usr/bin/systemd-socket-proxyd --listener=4 localhost:8443 &
+wait]]>
+</programlisting>
+ <para>Make it executable:</para>
+ <programlisting>
+<![CDATA[chmod 755 /usr/bin/socket-proxyd-multi-destination.sh]]>
+ </programlisting>
+ </example>
+
+ <example label="commands">
+ <programlisting>
+<![CDATA[# systemctl enable multi-destination.socket
+# systemctl start multi-destination.socket
+$ curl http://localhost/
+$ curl https://localhost/]]>
+</programlisting>
+ </example>
+ </refsect2>
</refsect1>
<refsect1>
<title>See Also</title>