Add health check

Signed-off-by: Xiang Dai <764524258@qq.com>

production/helm/templates/promtail/daemonset.yaml

@@ -57,6 +57,14 @@ spec:
               name: http-metrics
           securityContext:
             {{- toYaml .Values.promtail.securityContext | nindent 12 }}
+          {{- if .Values.promtail.livenessProbe }}
+          livenessProbe:
+            {{- toYaml .Values.promtail.livenessProbe | nindent 12 }}
+          {{- end }}
+          {{- if .Values.promtail.livenessProbe }}
+          readinessProbe:
+            {{- toYaml .Values.promtail.readinessProbe | nindent 12 }}
+          {{- end }}
           resources:
             {{- toYaml .Values.promtail.resources | nindent 12 }}
       nodeSelector:

production/helm/values.yaml

@@ -158,6 +158,30 @@ promtail:
       mountPath: /var/lib/docker/containers
       readOnly: true
 
+  readinessProbe:
+    failureThreshold: 5
+    exec:
+      command:
+      - /bin/sh
+      - -c
+      - /bin/ps -ef | grep promtail | grep -v grep
+    initialDelaySeconds: 10
+    periodSeconds: 10
+    successThreshold: 1
+    timeoutSeconds: 1
+
+  livenessProbe:
+    failureThreshold: 5
+    exec:
+      command:
+      - /bin/sh
+      - -c
+      - /bin/ps -ef | grep promtail | grep -v grep
+    initialDelaySeconds: 10
+    periodSeconds: 10
+    successThreshold: 1
+    timeoutSeconds: 1
+
   resources: {}
   #  limits:
   #    cpu: 200m