[master] 6ac0126 Document UDS backend addressing in vcl(7).

Geoff Simmons geoff at uplex.de
Mon Mar 12 13:22:09 UTC 2018

commit 6ac01261e022636ca30e0f947d84e669d96e9388
Author: Geoff Simmons <geoff at uplex.de>
Date:   Mon Mar 12 14:20:40 2018 +0100

    Document UDS backend addressing in vcl(7).

diff --git a/doc/sphinx/reference/vcl.rst b/doc/sphinx/reference/vcl.rst
index 976a908..9275b57 100644
--- a/doc/sphinx/reference/vcl.rst
+++ b/doc/sphinx/reference/vcl.rst
@@ -212,16 +212,24 @@ backend. The actual declaration is in curly brackets, in a key/value fashion.::
         .attribute = "value";
-The only mandatory attribute is ``.host``. The attributes will inherit
-their defaults from the global parameters. The following attributes
-are available:
+One of the attributes ``.host`` or ``.path`` is mandatory (but not
+both). The attributes will inherit their defaults from the global
+parameters. The following attributes are available:
-  ``.host`` *(mandatory)*
+  ``.host``
     The host to be used. IP address or a hostname that resolves to a
-    single IP address.
+    single IP address. This attribute is mandatory, unless ``.path``
+    is declared.
+  ``.path``
+    The absolute path of a Unix domain socket at which a backend is
+    listening. The file at that path must exist and must be accessible
+    to Varnish at VCL load time, and it must be a socket. One of
+    ``.path`` or ``.host`` must be declared (but not both).
-    The port on the backend that Varnish should connect to.
+    The port on the backend that Varnish should connect to. Ignored if
+    a Unix domain socket is declared in ``.path``.
     A host header to add to probes and regular backend requests if they have no

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