journald: implement socket forwarding

This commit adds a new way of forwarding journal messages - forwarding
over a socket.

The socket can be any of AF_INET, AF_INET6, AF_UNIUX or AF_VSOCK.

The address to connect to is retrieved from the "journald.forward_address" credential.

It can also be specified in systemd-journald's unit file with ForwardAddress=
This commit is contained in:
Sam Leonard
2024-02-15 14:08:20 +00:00
parent 6813be2eba
commit f31cff849d
13 changed files with 473 additions and 48 deletions
+12
View File
@@ -296,6 +296,18 @@
<xi:include href="version-info.xml" xpointer="v254"/></listitem>
</varlistentry>
<varlistentry>
<term><varname>journal.forward_to_socket</varname></term>
<listitem>
<para>Used by
<citerefentry><refentrytitle>systemd-journald</refentrytitle><manvolnum>8</manvolnum></citerefentry>
to determine where to forward log messages for socket forwarding, see
<citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details.</para>
<xi:include href="version-info.xml" xpointer="v256"/>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>vmm.notify_socket</varname></term>
<listitem>