collectd.conf(5): Document the gRPC plugin.

[collectd.git] / src / collectd.conf.pod

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index 823dbbd..82562ed 100644 (file)
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -2497,6 +2497,26 @@ source, this is optional. Otherwise the option is required.
 
 =back
 
+=head2 Plugin C<grpc>
+
+The I<grpc> plugin provides an RPC interface to submit values to collectd
+based on the open source gRPC framework. It exposes and end-point for
+dispatching values to the daemon.
+
+The B<gRPC> homepage can be found at L<https://grpc.io/>.
+
+=over 4
+
+=item B<Listen> I<Host> I<Port>
+
+The B<Listen> statement sets the network address to bind to. When multiple
+statements are specified, the daemon will bin to all of them. If none are
+specified, it defaults to B<0.0.0.0:50051>.
+
+The argument I<Host> may be a hostname, an IPv4 address, or an IPv6 address.
+
+=back
+
 =head2 Plugin C<hddtemp>
 
 To get values from B<hddtemp> collectd connects to B<localhost> (127.0.0.1),
@@ -5191,6 +5211,12 @@ specific or global B<Interval> options).
 Please note that parameters are only supported by PostgreSQL's protocol
 version 3 and above which was introduced in version 7.4 of PostgreSQL.
 
+=item B<PluginInstanceFrom> I<column>
+
+Specify how to create the "PluginInstance" for reporting this query results.
+Only one column is supported. You may concatenate fields and string values in
+the query statement to get the required results.
+
 =item B<MinVersion> I<version>
 
 =item B<MaxVersion> I<version>
@@ -5425,6 +5451,8 @@ Specify the plugin instance name that should be used instead of the database
 name (which is the default, if this option has not been specified). This
 allows to query multiple databases of the same name on the same host (e.g.
 when running multiple database server versions in parallel).
+The plugin instance name can also be set from the query result using
+the B<PluginInstanceFrom> option in B<Query> block.
 
 =item B<Host> I<hostname>