fix(multi-networks): configure scylla correctly with the right interface

* configure `listen_interface` in scylla.yaml as needed
* return correct selected interface on `get_nic_devices()`
* run `scylla_sysconfig_setup` again on right network interface

sdcm/cluster.py

@@ -75,6 +75,7 @@
 from sdcm.provision.helpers.certificate import (
     create_ca, install_client_certificate, install_encryption_at_rest_files, create_certificate,
     export_pem_cert_to_pkcs12_keystore, CA_CERT_FILE, CA_KEY_FILE, JKS_TRUSTSTORE_FILE, TLSAssets)
+from sdcm.provision.network_configuration import network_interfaces_count
 from sdcm.remote import RemoteCmdRunnerBase, LOCALRUNNER, NETWORK_EXCEPTIONS, shell_script_cmd, RetryableNetworkException
 from sdcm.remote.libssh2_client import UnexpectedExit as Libssh2_UnexpectedExit
 from sdcm.remote.remote_long_running import run_long_running_cmd
@@ -3030,6 +3031,9 @@ def disable_daily_triggered_services(self):
 
     def get_nic_devices(self) -> List:
         """Returns list of ethernet network interfaces"""
+        if self.scylla_network_configuration:
+            return [self.scylla_network_configuration.device]
+
         result = self.remoter.run('/sbin/ip -o link show |grep ether |awk -F": " \'{print $2}\'', verbose=True)
         return result.stdout.strip().split()
 
@@ -4723,6 +4727,9 @@ def node_setup(self, node: BaseNode, verbose: bool = False, timeout: int = 3600)
         node.clean_scylla_data()
         node.remoter.sudo(cmd="rm -f /etc/scylla/ami_disabled", ignore_status=True)
 
+        if network_interfaces_count(self.params) > 1:
+            node.run_scylla_sysconfig_setup()
+
         if append_scylla_node_exporter_args := self.params.get('append_scylla_node_exporter_args'):
             configuration_file = '/etc/default/scylla-node-exporter'
             with remote_file(remoter=node.remoter,

sdcm/provision/scylla_yaml/node_builder.py

@@ -114,6 +114,12 @@ def broadcast_address(self) -> Optional[str]:
             return self._public_ip_address
         return None
 
+    @property
+    def listen_interface(self):
+        if self.node.scylla_network_configuration:
+            return self.node.scylla_network_configuration.device
+        return None
+
     @property
     def enable_ipv6_dns_lookup(self) -> bool:
         return self._is_ip_ssh_connections_ipv6