support open policy agent buffer type event with default limit events

Author: adetunjiakintundeakinde

cluster/config-defaults.yaml

@@ -377,6 +377,11 @@ skipper_open_policy_agent_data_preprocessing_optimization_enabled: "false"
 # Default timeout value in seconds for outgoing http calls from Open Policy Agent in a skipper filter
 skipper_open_policy_agent_styra_response_header_timeout: "2"
 
+# Decision logging use event buffer type
+skipper_open_policy_agent_decision_logs_buffer_type_event_enable: "false"
+# Decision logging sets the maximum number of decision log events that can be buffered before being dropped
+skipper_open_policy_agent_decision_logs_buffer_type_event_limit: "1000"
+
 #
 # FabricGateway controller config
 #

cluster/manifests/skipper/configmap-open-policy-agent.yaml

@@ -31,6 +31,12 @@ data:
             session_name: open-policy-agent-instance
       name: styra-bundles
       url: "{{ .Cluster.ConfigItems.skipper_open_policy_agent_bundles_url }}"
+    {{ if eq .Cluster.ConfigItems.skipper_open_policy_agent_decision_logs_buffer_type_event_enable "true" }}
+    decision_logs:
+      reporting:
+        buffer_type: "event"
+        buffer_size_limit_events: {{ .Cluster.ConfigItems.skipper_open_policy_agent_decision_logs_buffer_type_event_limit }}
+    {{ end }}
   envoymetadata.json: |-
     {
       "filter_metadata": {