Empty Connection Limit causes XDS rejection #4457
Description
Description:
If an empty connection limit is configured in CTP, envoy rejects xds.
"details": "Proto constraint validation failed (ConnectionLimitValidationError.MaxConnections: value must be greater than or equal to 1): stat_prefix: \"tls-terminate-10443\"\nmax_connections {\n}\n"}
Repro steps:
Follow quickstart and apply the following CTP:
apiVersion: gateway.envoyproxy.io/v1alpha1
kind: ClientTrafficPolicy
metadata:
name: connection-limit-ctp
namespace: default
spec:
targetRefs:
- group: gateway.networking.k8s.io
kind: Gateway
name: eg
connection:
connectionLimit: {}
Note: If there are privacy concerns, sanitize the data prior to
sharing.
Environment:
Include the environment like gateway version, envoy version and so on.
Logs:
Include the access logs and the Envoy logs.