grafana: Update to 11.5.5

The legacy alerting feature (which we never used) has been deprecated
for a long time and removed in Grafana 11.  The corresponding
configuration block must be removed from the config file or Grafana will
not start.

grafana/grafana.ini

@@ -594,42 +594,6 @@ global_api_key = -1
 # global limit on number of logged in users.
 global_session = -1
 
-#################################### Alerting ############################
-[alerting]
-# Disable alerting engine & UI features
-enabled = true
-# Makes it possible to turn off alert rule execution but alerting UI is visible
-execute_alerts = true
-
-# Default setting for new alert rules. Defaults to categorize error and timeouts as alerting. (alerting, keep_state)
-error_or_timeout = alerting
-
-# Default setting for how Grafana handles nodata or null values in alerting. (alerting, no_data, keep_state, ok)
-nodata_or_nullvalues = no_data
-
-# Alert notifications can include images, but rendering many images at the same time can overload the server
-# This limit will protect the server from render overloading and make sure notifications are sent out quickly
-concurrent_render_limit = 5
-
-# Default setting for alert calculation timeout. Default value is 30
-evaluation_timeout_seconds = 30
-
-# Default setting for alert notification timeout. Default value is 30
-notification_timeout_seconds = 30
-
-# Default setting for max attempts to sending alert notifications. Default value is 3
-max_attempts = 3
-
-# Makes it possible to enforce a minimal interval between evaluations, to reduce load on the backend
-min_interval_seconds = 1
-
-# Configures for how long alert annotations are stored. Default is 0, which keeps them forever.
-# This setting should be expressed as an duration. Ex 6h (hours), 10d (days), 2w (weeks), 1M (month).
-max_annotation_age =
-
-# Configures max number of alert annotations that Grafana stores. Default value is 0, which keeps all alert annotations.
-max_annotations_to_keep =
-
 #################################### Annotations #########################
 
 [annotations.dashboard]

grafana/grafana.yaml

@@ -76,6 +76,8 @@ spec:
         - mountPath: /etc/grafana/provisioning/datasources
           name: datasources
           readOnly: true
+        - mountPath: /tmp
+          name: tmp
         - mountPath: /run/secrets/grafana
           name: secrets
           readOnly: true
@@ -96,6 +98,9 @@ spec:
       - name: grafana
         persistentVolumeClaim:
           claimName: grafana
+      - name: tmp
+        emptyDir:
+          medium: Memory
       - name: secrets
         secret:
           secretName: grafana

grafana/kustomization.yaml

@@ -54,3 +54,7 @@ patches:
           - name: loki-client-cert
             secret:
               secretName: loki-client-cert
+
+images:
+- name: docker.io/grafana/grafana
+  newTag: 11.5.5