How to get a full FQDN of the service inside Kubernetes?
➜ k get svc -o wide
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
airflow-flower-service ClusterIP 172.20.119.107 <none> 5555/TCP 20d app=edna-airflow
airflow-service ClusterIP 172.20.76.63 <none> 80/TCP 20d app=edna-airflow
backend-service ClusterIP 172.20.39.154 <none> 80/TCP 20d app=edna-backendso how to query internal Kubernetes DNS to get the FQDN of the backend-service for example?
Go inside any pod in the same namespace with kubectl exec -ti <your pod> bash and then run nslookup <your service> which will typically be, unless you change some configurations in the cluster to: yourservice.yournamespace.svc.cluster.local