add environment variables (#12657)

Signed-off-by: Taehyun Kim <kgyoo8232@gmail.com>

stable/auditbeat/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 description: A lightweight shipper to audit the activities of users and processes on your systems
 icon: https://www.elastic.co/assets/blt27d1fd26b0862613/icon-auditbeat-bb.svg
 name: auditbeat
-version: 1.0.0
+version: 1.1.0
 appVersion: 6.7.0
 home: https://www.elastic.co/products/beats/auditbeat
 sources:

stable/auditbeat/templates/daemonset.yaml

@@ -46,6 +46,14 @@ spec:
 {{ toYaml .Values.extraArgs | indent 8 }}
 {{- end }}
         env:
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: NODE_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName
 {{- range $key, $value := .Values.extraVars }}
         - name: {{ $key }}
           value: {{ $value }}