Attempt to get the gateway ip address for the interface and ping it before ARPing for available IPs to use in gateway_ping_test

1 files changed, 12 insertions, 0 deletions

diff --git a/bin/gateway_ping_test b/bin/gateway_ping_test
index 914792c..7bac0f8 100755
--- a/bin/gateway_ping_test
+++ b/bin/gateway_ping_test
@@ -133,6 +133,18 @@ def get_host_to_ping(interface=None, verbose=False, default=None):
 stderr=subprocess.STDOUT)
 except subprocess.CalledProcessError:
 pass
+ # Try to get the gateway address for the interface from networkctl
+ cmd = 'networkctl status --no-pager --no-legend {}'.format(interface)
+ try:
+ output = subprocess.check_output(cmd, shell=True)
+ for line in output.decode(sys.stdout.encoding).splitlines():
+ key, val = line.strip().split(':', maxsplit=1)
+ if key == "Gateway":
+ subprocess.check_output(["ping", "-q", "-c", "1", val],
+ stderr=subprocess.STDOUT)
+ break
+ except subprocess.CalledProcessError:
+ pass
 ARP_POPULATE_TRIES = 10
 num_tries = 0
 while num_tries < ARP_POPULATE_TRIES: