[stable/ambassador] Support for LB status being propagated to ingress (#18394)

* [stable/ambassador] add app.kubernetes.io/component label for service

Signed-off-by: Gregoire Menuel <gregoire.menuel@gmail.com>

* [stable/ambassador] Add downwardAPI to the deployment

Ambassador need this in order to know its labels

Signed-off-by: Gregoire Menuel <gregoire.menuel@gmail.com>

* [stable/ambassador] bump version to 4.4.4

Signed-off-by: Gregoire Menuel <gregoire.menuel@gmail.com>

stable/ambassador/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: 0.85.0
 description: A Helm chart for Datawire Ambassador
 name: ambassador
-version: 4.4.3
+version: 4.4.4
 icon: https://www.getambassador.io/images/logo.png
 home: https://www.getambassador.io/
 sources:

stable/ambassador/templates/deployment.yaml

@@ -48,6 +48,12 @@ spec:
       priorityClassName: {{ .Values.priorityClassName | quote }}
       {{- end }}
       volumes:
+        - name: ambassador-pod-info
+          downwardAPI:
+            items:
+              - fieldRef:
+                  fieldPath: metadata.labels
+                path: labels
         {{- if .Values.prometheusExporter.enabled }}
         - name: stats-exporter-mapping-config
           configMap:
@@ -162,6 +168,9 @@ spec:
             initialDelaySeconds: 30
             periodSeconds: 3
           volumeMounts:
+            - name: ambassador-pod-info
+              mountPath: /tmp/ambassador-pod-info
+              readOnly: true
           {{- if .Values.ambassadorConfig }}
             - name: ambassador-config
               mountPath: /ambassador/ambassador-config/ambassador-config.yaml

stable/ambassador/templates/service.yaml

@@ -8,6 +8,7 @@ metadata:
     helm.sh/chart: {{ include "ambassador.chart" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/component: ambassador-service
   {{- with .Values.service.annotations }}
   annotations:
     {{- toYaml . | nindent 4 }}