salt: add hostname to audit log outputs

Author: eg-ayoub

charts/fluent-bit.yaml

@@ -64,3 +64,9 @@ serviceMonitor:
 dashboards:
   enabled: true
   deterministicUid: true
+
+env:
+  - name: NODE_NAME
+    valueFrom:
+      fieldRef:
+        fieldPath: spec.nodeName

salt/metalk8s/addons/logging/fluent-bit/deployed/chart.sls

@@ -1708,6 +1708,11 @@ spec:
         - --config=/fluent-bit/etc/conf/fluent-bit.conf
         command:
         - /fluent-bit/bin/fluent-bit
+        env:
+        - name: NODE_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName
         image: {% endraw -%}{{ build_image_name("fluent-bit", False) }}{%- raw %}:4.2.3
         imagePullPolicy: IfNotPresent
         livenessProbe:

salt/metalk8s/addons/logging/fluent-bit/deployed/configmap.sls

@@ -125,14 +125,10 @@ Create fluent-bit ConfigMap:
                 Add            namespace unknown
                 Add            pod unknown
                 Add            stream unknown
-            {%- if fluent_bit.spec.config.filter is defined %}
-                {%- for filter in fluent_bit.spec.config.filter %}
             [Filter]
-                    {%- for key, value in filter.items() %}
-                    {{ "{:<14} {}".format(key, value) }}
-                    {%- endfor %}
-                {%- endfor %}
-            {%- endif %}
+                Name           record_modifier
+                Match          audit.*
+                Record         hostname ${NODE_NAME}
             {%- for output in fluent_bit.spec.config.output %}
             [Output]
                 {%- for key, value in output.items() %}