doc/mgr: Document wildcard to expose Prometheus metrics for all RBD pools and namespaces

Fixes: https://tracker.ceph.com/issues/47537
Signed-off-by: Konstantin Shalygin <k0ste@k0ste.ru>

diff --git a/doc/mgr/prometheus.rst b/doc/mgr/prometheus.rst
index b24cbb8c7fec1b3ce2337aefe647beae14cea622..cb5053451053b0f6f22f7a66721f88e46e2db1b6 100644 (file)
--- a/doc/mgr/prometheus.rst
+++ b/doc/mgr/prometheus.rst
@@ -169,6 +169,10 @@ Example to activate the RBD-enabled pools ``pool1``, ``pool2`` and ``poolN``::
 
   ceph config set mgr mgr/prometheus/rbd_stats_pools "pool1,pool2,poolN"
 
+The wildcard can be used to indicate all pools or namespaces::
+
+  ceph config set mgr mgr/prometheus/rbd_stats_pools "*"
+
 The module makes the list of all available images scanning the specified
 pools and namespaces and refreshes it periodically. The period is
 configurable via the ``mgr/prometheus/rbd_stats_pools_refresh_interval``