Cassandra database integration issue with upstream application using service mesh

Consul
1

Hello,

I have a consul cluster deployed on VMs with service mesh enabled.

I have a cassandra database cluster of 5 nodes.

Consul agent is deployed on the cassandra nodes and the cassandra service registered with the consul cluster.

I have deployed envoy proxy on these nodes and running. They are in healthy state and listening and can be seen from the consul cluster UI.

Now, I deployed some fake service on another VM and registered this service with consul cluster and started the envoy proxy for the same and the upstream set to cassandra service.

I tried to test the communication by running a sample python script that connects with the cassandra service using localhost:<local_port> . It gives me below error:

NoHostAvailable: (‘Unable to connect to any servers’, {‘127.0.0.1’: error(104, ‘Connection reset by peer’)})

What can be going wrong here? Proxy configurations are default here and intentions are allowed between these services.

Thanks

2

The above issue is resolved. The cassandra service was not running on localhost so the envoy proxy could not forward it.