[GitHub] [solr-operator] koboltmarky commented on issue #483: Servicemonitor for prometheus exporter is referring to cluster port instead of metrics pod port

[GitBox <gi...@apache.org>]

koboltmarky commented on issue #483:
URL: https://github.com/apache/solr-operator/issues/483#issuecomment-1333934369

   We have the same problem here. We are using the solr-operator 0.6 and prometheus 2.39.1 hosted in gke version 1.21.
   I deployed the solr prometheus exporter with the following snippet:
   
   ```
   apiVersion: solr.apache.org/v1beta1
   kind: SolrPrometheusExporter
   metadata:
     name: solr-prom-exporter
   spec:
     customKubeOptions:
         resources:
           requests:
             cpu: 300m
             memory: 900Mi
     solrReference:
       basicAuthSecret: solr-cloud-k8s-oper-secret 
       cloud:
         name: "apache-solr"
     numThreads: 6
   ```
   
   As you can see in the screenshot prometheus tries to connect to the pod on port 80 which is the wrong port.
   
   
   ![Screenshot from 2022-12-01 16-17-22](https://user-images.githubusercontent.com/8583001/205090598-b500124a-a8d0-410e-a9b3-0950633022db.png)
   
   Our workaround is to add a prometheus scraping annotation to the exporter pod:
   
   ```
   spec:
     customKubeOptions:
       podOptions:
         annotations:
           prometheus.io/port: "8080"
           prometheus.io/path: /metrics
           prometheus.io/scrape: "true"
           prometheus.io/scheme: http
   
   ```
   
   


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