Merge pull request #20 from MarceStarlet/kafka-insync

Adding in-sync replica by topic metric rule

_data/rules.yml

@@ -270,6 +270,10 @@ services:
       - name: danielqsj/kafka_exporter
         doc_url: https://github.com/danielqsj/kafka_exporter
         rules:
+          - name: Kafka Topics 
+            description: Kafka topic in-sync partition
+            query: 'sum(kafka_topic_partition_in_sync_replica) by (topic) < 3'
+            severity: error
           - name: Kafka consumers group
             description: Kafka consumers group
             query: 'sum(kafka_consumergroup_lag) by (consumergroup) > 50'