Add node label to prometheus metrics (#122)

node-dns-exporter/Chart.yaml

@@ -15,10 +15,10 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.1.0
+version: 1.2.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "main-6bd7880c"
+appVersion: "main-ced69cea"

node-dns-exporter/templates/daemonset.yaml

@@ -48,6 +48,12 @@ spec:
             - "--listen-address={{ .Values.nodeDns.listenAddress | default "0.0.0.0:8080" }}"
             - "--test-hosts={{ .Values.nodeDns.testHosts }}"
             - "--test-interval-seconds={{ .Values.nodeDns.testInterval | default 120 }}"
+            - "--node-name={{ .Values.nodeDns.nodeName | default "$(NODE_NAME)" }}"
+          env:
+            - name: NODE_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}