add logstash alert imgpull

dev-upgrade/elastic/logstash-alert.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: logstash-config
+  name: logstash-config-alert
 data:
   logstash.conf: |-
     input {
@@ -72,6 +72,8 @@ spec:
       labels:
         app: logstash
     spec:
+      imagePullSecrets:
+        - name: docker-hub
       containers:
         - name: logstash
           image: beaconfireiic/logstash:7.16.3
@@ -96,7 +98,7 @@ spec:
       volumes:
         - name: config
           configMap:
-            name: logstash-config
+            name: logstash-config-alert
             items:
               - key: logstash.conf
                 path: logstash.conf