Automation fix for ifconfig command

Changes:
   - ifconfig error message:
     Command 'ifconfig' returned non-zero exit status 127.
   - New implementaion uses socket module to get the hostname.

Change-Id: I3b60efe5b88fb44676b729cb8b28ebb9cf735638
Signed-off-by: Sushil Singh <susilsi7@in.ibm.com>
diff --git a/lib/bmc_network_utils.py b/lib/bmc_network_utils.py
index 00a675f..c2ea9f8 100644
--- a/lib/bmc_network_utils.py
+++ b/lib/bmc_network_utils.py
@@ -13,6 +13,7 @@
 import re
 import ipaddress
 import subprocess
+import socket
 from robot.libraries.BuiltIn import BuiltIn
 import json
 import bmc_ssh_utils as bsu
@@ -20,16 +21,15 @@
 ip_regex = r"\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}"
 
 
-def get_running_system_ip():
+def get_hostname():
     r"""
-    Get the IP address of server from which robot code is running.
+    Get the host name of server from which robot code is running.
+
     """
 
-    stdout = subprocess.check_output("/sbin/ifconfig", shell=True)
-    stdout = stdout.decode("utf-8")
-    ip_list = re.findall(ip_regex, stdout)
+    host_name = socket.gethostname()
 
-    return ip_list
+    return host_name
 
 
 def netmask_prefix_length(netmask):
diff --git a/openpower/ext_interfaces/test_client_identifier.robot b/openpower/ext_interfaces/test_client_identifier.robot
index 97d9cff..92124d1 100644
--- a/openpower/ext_interfaces/test_client_identifier.robot
+++ b/openpower/ext_interfaces/test_client_identifier.robot
@@ -129,11 +129,13 @@
       ${sessions}=  Redfish.Get Properties  /redfish/v1/SessionService/Sessions/${session_id}
       Rprint Vars  sessions
       @{words} =  Split String  ${sessions["Oem"]["OpenBMC"]["ClientOriginIP"]}  :
-      ${ipaddr}=  Get Running System IP
+      ${host_name}=  Get Hostname
+      ${host_name}  ${ip_address}=  Get Host Name IP  host=${host_name}
+      Set Suite Variable  ${ip_address}
       Set Test Variable  ${temp_ipaddr}  ${words}[-1]
       Valid Value  client  ['${sessions["Oem"]["OpenBMC"]["ClientID"]}']
       Valid Value  sessions["Id"]  ['${session_id}']
-      Valid Value  temp_ipaddr  ${ipaddr}
+      Valid Value  temp_ipaddr  ['${ip_address}']
     END