doc: add new config for tempo Holmes toolset

Author: nherment

docs/configuration/holmesgpt/toolsets/grafanatempo.rst

@@ -18,7 +18,7 @@ Check out this `video <https://www.loom.com/share/f969ab3af509444693802254ab0407
 Getting Grafana URL
 -----------------------
 
-You can find the Grafana URL required for Loki and Tempo in your Grafana cloud account settings. 
+You can find the Grafana URL required for Loki and Tempo in your Grafana cloud account settings.
 
 .. image:: /images/grafana-url-for-holmes.png
   :width: 600
@@ -39,7 +39,15 @@ Configuration
             enabled: true
             config:
               api_key: <your grafana API key>
-              url: https://grafana-url
+              url: <your grafana url> # e.g. https://acme-corp.grafana.net
+              grafana_datasource_uid: <the UID of the loki data source in Grafana>
+              labels:
+                pod: "k8s.pod.name"
+                namespace: "k8s.namespace.name"
+                deployment: "k8s.deployment.name"
+                node: "k8s.node.name"
+                service: "service.name"
+
 
     .. include:: ./_toolset_configuration.inc.rst
 
@@ -54,14 +62,27 @@ Configuration
           enabled: true
           config:
               api_key: <your grafana service account token>
-              url: <your grafana url> # e.g. https://acme-corp.grafana.net 
+              url: <your grafana url> # e.g. https://acme-corp.grafana.net
+              grafana_datasource_uid: <the UID of the loki data source in Grafana>
+              labels:
+                pod: "k8s.pod.name"
+                namespace: "k8s.namespace.name"
+                deployment: "k8s.deployment.name"
+                node: "k8s.node.name"
+                service: "service.name"
 
-    To test, run: 
+    To test, run:
 
     .. code-block:: yaml
-      
+
         holmes ask "The payments DB is very slow, check tempo for any trace data"
 
+**Search labels**
+
+You can tweak the labels used by the toolset to identify kubernetes resources. This is only needed if the trace
+labels differ from the defaults in the example above.
+
+
 Capabilities
 ^^^^^^^^^^^^
 .. include:: ./_toolset_capabilities.inc.rst
@@ -72,10 +93,9 @@ Capabilities
 
    * - Tool Name
      - Description
-   * - list_all_datasources
-     - Fetches All the data sources in Grafana
-   * - fetch_tempo_traces_by_min_duration
-     - Lists Tempo traces ids that exceed a specified minimum duration in a given time range
+   * - fetch_tempo_tags
+     - List the tags available in Tempo
+   * - fetch_tempo_traces
+     - Lists Tempo traces. At least one of `service_name`, `pod_name` or `deployment_name` argument is required.
    * - fetch_tempo_trace_by_id
      - Retrieves detailed information about a Tempo trace using its trace ID. Use this to investigate a trace.
-