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DAOS-16484 test: Support mixed speeds when selecting a default interf… #15080

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merged 1 commit into from
Sep 6, 2024
Merged

DAOS-16484 test: Support mixed speeds when selecting a default interf… #15080

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3 changes: 2 additions & 1 deletion src/tests/ftest/util/environment_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@

from ClusterShell.NodeSet import NodeSet
# pylint: disable=import-error,no-name-in-module
from util.host_utils import get_local_host
from util.network_utils import (PROVIDER_ALIAS, SUPPORTED_PROVIDERS, NetworkException,
get_common_provider, get_fastest_interface)
from util.run_utils import run_remote
Expand Down Expand Up @@ -326,7 +327,7 @@ def _default_interface(self, logger, hosts):
# Find all the /sys/class/net interfaces on the launch node (excluding lo)
logger.debug("Detecting network devices - D_INTERFACE not set")
try:
interface = get_fastest_interface(logger, hosts)
interface = get_fastest_interface(logger, hosts | get_local_host())
except NetworkException as error:
raise TestEnvironmentException("Error obtaining a default interface!") from error
return interface
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9 changes: 5 additions & 4 deletions src/tests/ftest/util/network_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -405,11 +405,12 @@ def get_fastest_interface(logger, hosts, verbose=True):
for interface in common_interfaces:
detected_speeds = get_interface_speeds(logger, hosts, interface, verbose)
speed_list = []
speed_hosts = NodeSet()
for speed, node_set in detected_speeds.items():
if node_set == hosts:
# Only include detected homogeneous interface speeds
speed_list.append(speed)
if speed_list:
speed_list.append(speed)
speed_hosts.add(node_set)
if speed_list and speed_hosts == hosts:
# Only include interface speeds if a speed is detected on all the hosts
interface_speeds[interface] = min(speed_list)

logger.info("Active network interface speeds on %s:", hosts)
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