Add optional celery liveness check

templates/worker/deployment.yaml

@@ -41,6 +41,14 @@ spec:
             {{- toYaml .Values.securityContext | nindent 12 }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
+          {{- if .Values.worker.livenessProbe.enabled }}
+          livenessProbe:
+            initialDelaySeconds: {{ .Values.worker.livenessProbe.initialDelaySeconds }}
+            periodSeconds: {{ .Values.worker.livenessProbe.periodSeconds }}
+            timeoutSeconds: {{ .Values.worker.livenessProbe.timeoutSeconds }}
+            exec:
+              command: {{ .Values.worker.livenessProbe.command }}
+          {{- end }}
           resources:
             {{- toYaml .Values.worker.resources | nindent 12 }}
           env:

values.yaml

@@ -97,6 +97,13 @@ worker:
     maxReplicas: 100
     targetCPUUtilizationPercentage: 90
     # targetMemoryUtilizationPercentage: 80
+  livenessProbe:
+    enabled: false
+    initialDelaySeconds: 30
+    periodSeconds: 300
+    timeoutSeconds: 30
+    command: 
+      - "celery -A django inspect ping -d celery@$HOSTNAME"
   resources:
     limits:
       cpu: 900m