[GitHub] [solr-operator] sanjay3290 commented on issue #483: Servicemonitor for prometheus exporter is referring to cluster port instead of metrics pod port

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sanjay3290 commented on issue #483:
URL: https://github.com/apache/solr-operator/issues/483#issuecomment-1334495894

   > 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. We aren't using the prometheus 
operator. 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
   > ```
   
   even after adding pod annotation, prometheus still looking at port 80 on pod 
IP in my case. Something is seriously wrong with this.below is my exporter 
config.
   
   ```
   apiVersion: solr.apache.org/v1beta1
   kind: SolrPrometheusExporter
   metadata:
     name: solr-prom-exporter
   spec:
     customKubeOptions:
       podOptions:
         annotations:
           prometheus.io/port: "8080"
           prometheus.io/path: /metrics
           prometheus.io/scrape: "true"
           prometheus.io/scheme: http
         resources:
           requests:
             cpu: 300m
             memory: 900Mi
     solrReference:
       cloud:
         name: ["eks"](<img width="1898" alt="Screenshot 2022-12-01 at 3 54 04 
PM" 
src="https://user-images.githubusercontent.com/24948667/205167285-48f6b9d7-4d70-4069-91b2-34125507e018.png";>)
     numThreads: 6
   ```


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