fix: fix key error port health check elastictest (#21845)

Signed-off-by: Austin Pham <austinpham@microsoft.com>

Author: auspham

.azure-pipelines/testbed_health_check.py

@@ -386,9 +386,10 @@ def check_interface_status_of_up_ports(self):
                         host=hostname, source='running', namespace='asic{}'.format(asic_id)
                     )['ansible_facts']
 
+                    ports = list(cfg_facts_of_asic.get('PORT', {}).items())
+
                     up_ports = [
-                        p for p, v in list(cfg_facts_of_asic['PORT'].items())
-                        if v.get('admin_status', None) == 'up'
+                        p for p, v in ports if v.get('admin_status', None) == 'up'
                     ]
 
                     logger.info('up_ports: {}'.format(up_ports))
@@ -414,9 +415,15 @@ def check_interface_status_of_up_ports(self):
                         # Add errlog to check result errmsg
                         self.check_result.errmsg.append(errlog)
 
+                    if not ports:
+                        failed = True
+                        self.check_result.errmsg.append(f"Device has no ports on asic{asic_id}."
+                                                        f"Please check 'show int status -n asic{asic_id}' ")
             else:
                 cfg_facts = sonichost.config_facts(host=hostname, source='running')['ansible_facts']
-                up_ports = [p for p, v in list(cfg_facts['PORT'].items()) if v.get('admin_status', None) == 'up']
+                ports = list(cfg_facts.get('PORT', {}).items())
+
+                up_ports = [p for p, v in ports if v.get('admin_status', None) == 'up']
                 logger.info('up_ports: {}'.format(up_ports))
                 interface_facts = sonichost.interface_facts(up_ports=up_ports)['ansible_facts']
                 interface_facts_on_hosts[hostname] = interface_facts
@@ -432,6 +439,10 @@ def check_interface_status_of_up_ports(self):
                     # Add errlog to check result errmsg
                     self.check_result.errmsg.append(errlog)
 
+                if not ports:
+                    failed = True
+                    self.check_result.errmsg.append("Device has no ports. Please check 'show int status' result")
+
         # Set the check result
         self.check_result.data["interface_facts_on_hosts"] = interface_facts_on_hosts